diff --git a/src/compiler/Dataflow.cc b/src/compiler/Dataflow.cc
new file mode 100644
index 0000000..41bf8bc
--- /dev/null
+++ b/src/compiler/Dataflow.cc
@@ -0,0 +1,2338 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Dalvik.h"
+#include "Dataflow.h"
+//#include "libdex/DexOpcodes.h"
+
+/*
+ * Main table containing data flow attributes for each bytecode. The
+ * first kNumPackedOpcodes entries are for Dalvik bytecode
+ * instructions, where extended opcode at the MIR level are appended
+ * afterwards.
+ *
+ * TODO - many optimization flags are incomplete - they will only limit the
+ * scope of optimizations but will not cause mis-optimizations.
+ */
+int oatDataFlowAttributes[kMirOpLast] = {
+    // 00 OP_NOP
+    DF_NOP,
+
+    // 01 OP_MOVE vA, vB
+    DF_DA | DF_UB | DF_IS_MOVE,
+
+    // 02 OP_MOVE_FROM16 vAA, vBBBB
+    DF_DA | DF_UB | DF_IS_MOVE,
+
+    // 03 OP_MOVE_16 vAAAA, vBBBB
+    DF_DA | DF_UB | DF_IS_MOVE,
+
+    // 04 OP_MOVE_WIDE vA, vB
+    DF_DA_WIDE | DF_UB_WIDE | DF_IS_MOVE,
+
+    // 05 OP_MOVE_WIDE_FROM16 vAA, vBBBB
+    DF_DA_WIDE | DF_UB_WIDE | DF_IS_MOVE,
+
+    // 06 OP_MOVE_WIDE_16 vAAAA, vBBBB
+    DF_DA_WIDE | DF_UB_WIDE | DF_IS_MOVE,
+
+    // 07 OP_MOVE_OBJECT vA, vB
+    DF_DA | DF_UB | DF_IS_MOVE,
+
+    // 08 OP_MOVE_OBJECT_FROM16 vAA, vBBBB
+    DF_DA | DF_UB | DF_IS_MOVE,
+
+    // 09 OP_MOVE_OBJECT_16 vAAAA, vBBBB
+    DF_DA | DF_UB | DF_IS_MOVE,
+
+    // 0A OP_MOVE_RESULT vAA
+    DF_DA,
+
+    // 0B OP_MOVE_RESULT_WIDE vAA
+    DF_DA_WIDE,
+
+    // 0C OP_MOVE_RESULT_OBJECT vAA
+    DF_DA,
+
+    // 0D OP_MOVE_EXCEPTION vAA
+    DF_DA,
+
+    // 0E OP_RETURN_VOID
+    DF_NOP,
+
+    // 0F OP_RETURN vAA
+    DF_UA,
+
+    // 10 OP_RETURN_WIDE vAA
+    DF_UA_WIDE,
+
+    // 11 OP_RETURN_OBJECT vAA
+    DF_UA,
+
+    // 12 OP_CONST_4 vA, #+B
+    DF_DA | DF_SETS_CONST,
+
+    // 13 OP_CONST_16 vAA, #+BBBB
+    DF_DA | DF_SETS_CONST,
+
+    // 14 OP_CONST vAA, #+BBBBBBBB
+    DF_DA | DF_SETS_CONST,
+
+    // 15 OP_CONST_HIGH16 VAA, #+BBBB0000
+    DF_DA | DF_SETS_CONST,
+
+    // 16 OP_CONST_WIDE_16 vAA, #+BBBB
+    DF_DA_WIDE | DF_SETS_CONST,
+
+    // 17 OP_CONST_WIDE_32 vAA, #+BBBBBBBB
+    DF_DA_WIDE | DF_SETS_CONST,
+
+    // 18 OP_CONST_WIDE vAA, #+BBBBBBBBBBBBBBBB
+    DF_DA_WIDE | DF_SETS_CONST,
+
+    // 19 OP_CONST_WIDE_HIGH16 vAA, #+BBBB000000000000
+    DF_DA_WIDE | DF_SETS_CONST,
+
+    // 1A OP_CONST_STRING vAA, string@BBBB
+    DF_DA,
+
+    // 1B OP_CONST_STRING_JUMBO vAA, string@BBBBBBBB
+    DF_DA,
+
+    // 1C OP_CONST_CLASS vAA, type@BBBB
+    DF_DA,
+
+    // 1D OP_MONITOR_ENTER vAA
+    DF_UA,
+
+    // 1E OP_MONITOR_EXIT vAA
+    DF_UA,
+
+    // 1F OP_CHECK_CAST vAA, type@BBBB
+    DF_UA,
+
+    // 20 OP_INSTANCE_OF vA, vB, type@CCCC
+    DF_DA | DF_UB,
+
+    // 21 OP_ARRAY_LENGTH vA, vB
+    DF_DA | DF_UB,
+
+    // 22 OP_NEW_INSTANCE vAA, type@BBBB
+    DF_DA,
+
+    // 23 OP_NEW_ARRAY vA, vB, type@CCCC
+    DF_DA | DF_UB,
+
+    // 24 OP_FILLED_NEW_ARRAY {vD, vE, vF, vG, vA}
+    DF_FORMAT_35C,
+
+    // 25 OP_FILLED_NEW_ARRAY_RANGE {vCCCC .. vNNNN}, type@BBBB
+    DF_FORMAT_3RC,
+
+    // 26 OP_FILL_ARRAY_DATA vAA, +BBBBBBBB
+    DF_UA,
+
+    // 27 OP_THROW vAA
+    DF_UA,
+
+    // 28 OP_GOTO
+    DF_NOP,
+
+    // 29 OP_GOTO_16
+    DF_NOP,
+
+    // 2A OP_GOTO_32
+    DF_NOP,
+
+    // 2B OP_PACKED_SWITCH vAA, +BBBBBBBB
+    DF_UA,
+
+    // 2C OP_SPARSE_SWITCH vAA, +BBBBBBBB
+    DF_UA,
+
+    // 2D OP_CMPL_FLOAT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_FP_B | DF_FP_C,
+
+    // 2E OP_CMPG_FLOAT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_FP_B | DF_FP_C,
+
+    // 2F OP_CMPL_DOUBLE vAA, vBB, vCC
+    DF_DA | DF_UB_WIDE | DF_UC_WIDE | DF_FP_B | DF_FP_C,
+
+    // 30 OP_CMPG_DOUBLE vAA, vBB, vCC
+    DF_DA | DF_UB_WIDE | DF_UC_WIDE | DF_FP_B | DF_FP_C,
+
+    // 31 OP_CMP_LONG vAA, vBB, vCC
+    DF_DA | DF_UB_WIDE | DF_UC_WIDE,
+
+    // 32 OP_IF_EQ vA, vB, +CCCC
+    DF_UA | DF_UB,
+
+    // 33 OP_IF_NE vA, vB, +CCCC
+    DF_UA | DF_UB,
+
+    // 34 OP_IF_LT vA, vB, +CCCC
+    DF_UA | DF_UB,
+
+    // 35 OP_IF_GE vA, vB, +CCCC
+    DF_UA | DF_UB,
+
+    // 36 OP_IF_GT vA, vB, +CCCC
+    DF_UA | DF_UB,
+
+    // 37 OP_IF_LE vA, vB, +CCCC
+    DF_UA | DF_UB,
+
+
+    // 38 OP_IF_EQZ vAA, +BBBB
+    DF_UA,
+
+    // 39 OP_IF_NEZ vAA, +BBBB
+    DF_UA,
+
+    // 3A OP_IF_LTZ vAA, +BBBB
+    DF_UA,
+
+    // 3B OP_IF_GEZ vAA, +BBBB
+    DF_UA,
+
+    // 3C OP_IF_GTZ vAA, +BBBB
+    DF_UA,
+
+    // 3D OP_IF_LEZ vAA, +BBBB
+    DF_UA,
+
+    // 3E OP_UNUSED_3E
+    DF_NOP,
+
+    // 3F OP_UNUSED_3F
+    DF_NOP,
+
+    // 40 OP_UNUSED_40
+    DF_NOP,
+
+    // 41 OP_UNUSED_41
+    DF_NOP,
+
+    // 42 OP_UNUSED_42
+    DF_NOP,
+
+    // 43 OP_UNUSED_43
+    DF_NOP,
+
+    // 44 OP_AGET vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_0 | DF_IS_GETTER,
+
+    // 45 OP_AGET_WIDE vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_0 | DF_IS_GETTER,
+
+    // 46 OP_AGET_OBJECT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_0 | DF_IS_GETTER,
+
+    // 47 OP_AGET_BOOLEAN vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_0 | DF_IS_GETTER,
+
+    // 48 OP_AGET_BYTE vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_0 | DF_IS_GETTER,
+
+    // 49 OP_AGET_CHAR vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_0 | DF_IS_GETTER,
+
+    // 4A OP_AGET_SHORT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_0 | DF_IS_GETTER,
+
+    // 4B OP_APUT vAA, vBB, vCC
+    DF_UA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_1 | DF_IS_SETTER,
+
+    // 4C OP_APUT_WIDE vAA, vBB, vCC
+    DF_UA_WIDE | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_2 | DF_IS_SETTER,
+
+    // 4D OP_APUT_OBJECT vAA, vBB, vCC
+    DF_UA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_1 | DF_IS_SETTER,
+
+    // 4E OP_APUT_BOOLEAN vAA, vBB, vCC
+    DF_UA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_1 | DF_IS_SETTER,
+
+    // 4F OP_APUT_BYTE vAA, vBB, vCC
+    DF_UA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_1 | DF_IS_SETTER,
+
+    // 50 OP_APUT_CHAR vAA, vBB, vCC
+    DF_UA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_1 | DF_IS_SETTER,
+
+    // 51 OP_APUT_SHORT vAA, vBB, vCC
+    DF_UA | DF_UB | DF_UC | DF_NULL_N_RANGE_CHECK_1 | DF_IS_SETTER,
+
+    // 52 OP_IGET vA, vB, field@CCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 53 OP_IGET_WIDE vA, vB, field@CCCC
+    DF_DA_WIDE | DF_UB | DF_IS_GETTER,
+
+    // 54 OP_IGET_OBJECT vA, vB, field@CCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 55 OP_IGET_BOOLEAN vA, vB, field@CCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 56 OP_IGET_BYTE vA, vB, field@CCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 57 OP_IGET_CHAR vA, vB, field@CCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 58 OP_IGET_SHORT vA, vB, field@CCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 59 OP_IPUT vA, vB, field@CCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 5A OP_IPUT_WIDE vA, vB, field@CCCC
+    DF_UA_WIDE | DF_UB | DF_IS_SETTER,
+
+    // 5B OP_IPUT_OBJECT vA, vB, field@CCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 5C OP_IPUT_BOOLEAN vA, vB, field@CCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 5D OP_IPUT_BYTE vA, vB, field@CCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 5E OP_IPUT_CHAR vA, vB, field@CCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 5F OP_IPUT_SHORT vA, vB, field@CCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 60 OP_SGET vAA, field@BBBB
+    DF_DA | DF_IS_GETTER,
+
+    // 61 OP_SGET_WIDE vAA, field@BBBB
+    DF_DA_WIDE | DF_IS_GETTER,
+
+    // 62 OP_SGET_OBJECT vAA, field@BBBB
+    DF_DA | DF_IS_GETTER,
+
+    // 63 OP_SGET_BOOLEAN vAA, field@BBBB
+    DF_DA | DF_IS_GETTER,
+
+    // 64 OP_SGET_BYTE vAA, field@BBBB
+    DF_DA | DF_IS_GETTER,
+
+    // 65 OP_SGET_CHAR vAA, field@BBBB
+    DF_DA | DF_IS_GETTER,
+
+    // 66 OP_SGET_SHORT vAA, field@BBBB
+    DF_DA | DF_IS_GETTER,
+
+    // 67 OP_SPUT vAA, field@BBBB
+    DF_UA | DF_IS_SETTER,
+
+    // 68 OP_SPUT_WIDE vAA, field@BBBB
+    DF_UA_WIDE | DF_IS_SETTER,
+
+    // 69 OP_SPUT_OBJECT vAA, field@BBBB
+    DF_UA | DF_IS_SETTER,
+
+    // 6A OP_SPUT_BOOLEAN vAA, field@BBBB
+    DF_UA | DF_IS_SETTER,
+
+    // 6B OP_SPUT_BYTE vAA, field@BBBB
+    DF_UA | DF_IS_SETTER,
+
+    // 6C OP_SPUT_CHAR vAA, field@BBBB
+    DF_UA | DF_IS_SETTER,
+
+    // 6D OP_SPUT_SHORT vAA, field@BBBB
+    DF_UA | DF_IS_SETTER,
+
+    // 6E OP_INVOKE_VIRTUAL {vD, vE, vF, vG, vA}
+    DF_FORMAT_35C,
+
+    // 6F OP_INVOKE_SUPER {vD, vE, vF, vG, vA}
+    DF_FORMAT_35C,
+
+    // 70 OP_INVOKE_DIRECT {vD, vE, vF, vG, vA}
+    DF_FORMAT_35C,
+
+    // 71 OP_INVOKE_STATIC {vD, vE, vF, vG, vA}
+    DF_FORMAT_35C,
+
+    // 72 OP_INVOKE_INTERFACE {vD, vE, vF, vG, vA}
+    DF_FORMAT_35C,
+
+    // 73 OP_UNUSED_73
+    DF_NOP,
+
+    // 74 OP_INVOKE_VIRTUAL_RANGE {vCCCC .. vNNNN}
+    DF_FORMAT_3RC,
+
+    // 75 OP_INVOKE_SUPER_RANGE {vCCCC .. vNNNN}
+    DF_FORMAT_3RC,
+
+    // 76 OP_INVOKE_DIRECT_RANGE {vCCCC .. vNNNN}
+    DF_FORMAT_3RC,
+
+    // 77 OP_INVOKE_STATIC_RANGE {vCCCC .. vNNNN}
+    DF_FORMAT_3RC,
+
+    // 78 OP_INVOKE_INTERFACE_RANGE {vCCCC .. vNNNN}
+    DF_FORMAT_3RC,
+
+    // 79 OP_UNUSED_79
+    DF_NOP,
+
+    // 7A OP_UNUSED_7A
+    DF_NOP,
+
+    // 7B OP_NEG_INT vA, vB
+    DF_DA | DF_UB,
+
+    // 7C OP_NOT_INT vA, vB
+    DF_DA | DF_UB,
+
+    // 7D OP_NEG_LONG vA, vB
+    DF_DA_WIDE | DF_UB_WIDE,
+
+    // 7E OP_NOT_LONG vA, vB
+    DF_DA_WIDE | DF_UB_WIDE,
+
+    // 7F OP_NEG_FLOAT vA, vB
+    DF_DA | DF_UB | DF_FP_A | DF_FP_B,
+
+    // 80 OP_NEG_DOUBLE vA, vB
+    DF_DA_WIDE | DF_UB_WIDE | DF_FP_A | DF_FP_B,
+
+    // 81 OP_INT_TO_LONG vA, vB
+    DF_DA_WIDE | DF_UB,
+
+    // 82 OP_INT_TO_FLOAT vA, vB
+    DF_DA | DF_UB | DF_FP_A,
+
+    // 83 OP_INT_TO_DOUBLE vA, vB
+    DF_DA_WIDE | DF_UB | DF_FP_A,
+
+    // 84 OP_LONG_TO_INT vA, vB
+    DF_DA | DF_UB_WIDE,
+
+    // 85 OP_LONG_TO_FLOAT vA, vB
+    DF_DA | DF_UB_WIDE | DF_FP_A,
+
+    // 86 OP_LONG_TO_DOUBLE vA, vB
+    DF_DA_WIDE | DF_UB_WIDE | DF_FP_A,
+
+    // 87 OP_FLOAT_TO_INT vA, vB
+    DF_DA | DF_UB | DF_FP_B,
+
+    // 88 OP_FLOAT_TO_LONG vA, vB
+    DF_DA_WIDE | DF_UB | DF_FP_B,
+
+    // 89 OP_FLOAT_TO_DOUBLE vA, vB
+    DF_DA_WIDE | DF_UB | DF_FP_A | DF_FP_B,
+
+    // 8A OP_DOUBLE_TO_INT vA, vB
+    DF_DA | DF_UB_WIDE | DF_FP_B,
+
+    // 8B OP_DOUBLE_TO_LONG vA, vB
+    DF_DA_WIDE | DF_UB_WIDE | DF_FP_B,
+
+    // 8C OP_DOUBLE_TO_FLOAT vA, vB
+    DF_DA | DF_UB_WIDE | DF_FP_A | DF_FP_B,
+
+    // 8D OP_INT_TO_BYTE vA, vB
+    DF_DA | DF_UB,
+
+    // 8E OP_INT_TO_CHAR vA, vB
+    DF_DA | DF_UB,
+
+    // 8F OP_INT_TO_SHORT vA, vB
+    DF_DA | DF_UB,
+
+    // 90 OP_ADD_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_IS_LINEAR,
+
+    // 91 OP_SUB_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_IS_LINEAR,
+
+    // 92 OP_MUL_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 93 OP_DIV_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 94 OP_REM_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 95 OP_AND_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 96 OP_OR_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 97 OP_XOR_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 98 OP_SHL_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 99 OP_SHR_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 9A OP_USHR_INT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC,
+
+    // 9B OP_ADD_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE,
+
+    // 9C OP_SUB_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE,
+
+    // 9D OP_MUL_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE,
+
+    // 9E OP_DIV_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE,
+
+    // 9F OP_REM_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE,
+
+    // A0 OP_AND_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE,
+
+    // A1 OP_OR_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE,
+
+    // A2 OP_XOR_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE,
+
+    // A3 OP_SHL_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC,
+
+    // A4 OP_SHR_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC,
+
+    // A5 OP_USHR_LONG vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC,
+
+    // A6 OP_ADD_FLOAT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // A7 OP_SUB_FLOAT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // A8 OP_MUL_FLOAT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // A9 OP_DIV_FLOAT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // AA OP_REM_FLOAT vAA, vBB, vCC
+    DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // AB OP_ADD_DOUBLE vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // AC OP_SUB_DOUBLE vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // AD OP_MUL_DOUBLE vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // AE OP_DIV_DOUBLE vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // AF OP_REM_DOUBLE vAA, vBB, vCC
+    DF_DA_WIDE | DF_UB_WIDE | DF_UC_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
+
+    // B0 OP_ADD_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B1 OP_SUB_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B2 OP_MUL_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B3 OP_DIV_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B4 OP_REM_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B5 OP_AND_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B6 OP_OR_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B7 OP_XOR_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B8 OP_SHL_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // B9 OP_SHR_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // BA OP_USHR_INT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB,
+
+    // BB OP_ADD_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE,
+
+    // BC OP_SUB_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE,
+
+    // BD OP_MUL_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE,
+
+    // BE OP_DIV_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE,
+
+    // BF OP_REM_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE,
+
+    // C0 OP_AND_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE,
+
+    // C1 OP_OR_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE,
+
+    // C2 OP_XOR_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE,
+
+    // C3 OP_SHL_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB,
+
+    // C4 OP_SHR_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB,
+
+    // C5 OP_USHR_LONG_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB,
+
+    // C6 OP_ADD_FLOAT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
+
+    // C7 OP_SUB_FLOAT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
+
+    // C8 OP_MUL_FLOAT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
+
+    // C9 OP_DIV_FLOAT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
+
+    // CA OP_REM_FLOAT_2ADDR vA, vB
+    DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
+
+    // CB OP_ADD_DOUBLE_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE | DF_FP_A | DF_FP_B,
+
+    // CC OP_SUB_DOUBLE_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE | DF_FP_A | DF_FP_B,
+
+    // CD OP_MUL_DOUBLE_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE | DF_FP_A | DF_FP_B,
+
+    // CE OP_DIV_DOUBLE_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE | DF_FP_A | DF_FP_B,
+
+    // CF OP_REM_DOUBLE_2ADDR vA, vB
+    DF_DA_WIDE | DF_UA_WIDE | DF_UB_WIDE | DF_FP_A | DF_FP_B,
+
+    // D0 OP_ADD_INT_LIT16 vA, vB, #+CCCC
+    DF_DA | DF_UB,
+
+    // D1 OP_RSUB_INT vA, vB, #+CCCC
+    DF_DA | DF_UB,
+
+    // D2 OP_MUL_INT_LIT16 vA, vB, #+CCCC
+    DF_DA | DF_UB,
+
+    // D3 OP_DIV_INT_LIT16 vA, vB, #+CCCC
+    DF_DA | DF_UB,
+
+    // D4 OP_REM_INT_LIT16 vA, vB, #+CCCC
+    DF_DA | DF_UB,
+
+    // D5 OP_AND_INT_LIT16 vA, vB, #+CCCC
+    DF_DA | DF_UB,
+
+    // D6 OP_OR_INT_LIT16 vA, vB, #+CCCC
+    DF_DA | DF_UB,
+
+    // D7 OP_XOR_INT_LIT16 vA, vB, #+CCCC
+    DF_DA | DF_UB,
+
+    // D8 OP_ADD_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB | DF_IS_LINEAR,
+
+    // D9 OP_RSUB_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // DA OP_MUL_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // DB OP_DIV_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // DC OP_REM_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // DD OP_AND_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // DE OP_OR_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // DF OP_XOR_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // E0 OP_SHL_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // E1 OP_SHR_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // E2 OP_USHR_INT_LIT8 vAA, vBB, #+CC
+    DF_DA | DF_UB,
+
+    // E3 OP_IGET_VOLATILE
+    DF_DA | DF_UB,
+
+    // E4 OP_IPUT_VOLATILE
+    DF_UA | DF_UB,
+
+    // E5 OP_SGET_VOLATILE
+    DF_DA,
+
+    // E6 OP_SPUT_VOLATILE
+    DF_UA,
+
+    // E7 OP_IGET_OBJECT_VOLATILE
+    DF_DA | DF_UB,
+
+    // E8 OP_IGET_WIDE_VOLATILE
+    DF_DA_WIDE | DF_UB,
+
+    // E9 OP_IPUT_WIDE_VOLATILE
+    DF_UA_WIDE | DF_UB,
+
+    // EA OP_SGET_WIDE_VOLATILE
+    DF_DA_WIDE,
+
+    // EB OP_SPUT_WIDE_VOLATILE
+    DF_UA_WIDE,
+
+    // EC OP_BREAKPOINT
+    DF_NOP,
+
+    // ED OP_THROW_VERIFICATION_ERROR
+    DF_NOP,
+
+    // EE OP_EXECUTE_INLINE
+    DF_FORMAT_35C,
+
+    // EF OP_EXECUTE_INLINE_RANGE
+    DF_FORMAT_3RC,
+
+    // F0 OP_INVOKE_OBJECT_INIT_RANGE
+    DF_NOP,
+
+    // F1 OP_RETURN_VOID_BARRIER
+    DF_NOP,
+
+    // F2 OP_IGET_QUICK
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // F3 OP_IGET_WIDE_QUICK
+    DF_DA_WIDE | DF_UB | DF_IS_GETTER,
+
+    // F4 OP_IGET_OBJECT_QUICK
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // F5 OP_IPUT_QUICK
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // F6 OP_IPUT_WIDE_QUICK
+    DF_UA_WIDE | DF_UB | DF_IS_SETTER,
+
+    // F7 OP_IPUT_OBJECT_QUICK
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // F8 OP_INVOKE_VIRTUAL_QUICK
+    DF_FORMAT_35C,
+
+    // F9 OP_INVOKE_VIRTUAL_QUICK_RANGE
+    DF_FORMAT_3RC,
+
+    // FA OP_INVOKE_SUPER_QUICK
+    DF_FORMAT_35C,
+
+    // FB OP_INVOKE_SUPER_QUICK_RANGE
+    DF_FORMAT_3RC,
+
+    // FC OP_IPUT_OBJECT_VOLATILE
+    DF_UA | DF_UB,
+
+    // FD OP_SGET_OBJECT_VOLATILE
+    DF_DA,
+
+    // FE OP_SPUT_OBJECT_VOLATILE
+    DF_UA,
+
+    // FF OP_DISPATCH_FF
+    DF_NOP,
+
+    // 100 OP_CONST_CLASS_JUMBO vAAAA, type@BBBBBBBB
+    DF_DA,
+
+    // 101 OP_CHECK_CAST_JUMBO vAAAA, type@BBBBBBBB
+    DF_UA,
+
+    // 102 OP_INSTANCE_OF_JUMBO vAAAA, vBBBB, type@CCCCCCCC
+    DF_DA | DF_UB,
+
+    // 103 OP_NEW_INSTANCE_JUMBO vAAAA, type@BBBBBBBB
+    DF_DA,
+
+    // 104 OP_NEW_ARRAY_JUMBO vAAAA, vBBBB, type@CCCCCCCC
+    DF_DA | DF_UB,
+
+    // 105 OP_FILLED_NEW_ARRAY_JUMBO {vCCCC .. vNNNN}, type@BBBBBBBB
+    DF_FORMAT_3RC,
+
+    // 106 OP_IGET_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 107 OP_IGET_WIDE_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA_WIDE | DF_UB | DF_IS_GETTER,
+
+    // 108 OP_IGET_OBJECT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 109 OP_IGET_BOOLEAN_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 10A OP_IGET_BYTE_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 10B OP_IGET_CHAR_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 10C OP_IGET_SHORT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_UB | DF_IS_GETTER,
+
+    // 10D OP_IPUT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 10E OP_IPUT_WIDE_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA_WIDE | DF_UB | DF_IS_SETTER,
+
+    // 10F OP_IPUT_OBJECT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 110 OP_IPUT_BOOLEAN_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 111 OP_IPUT_BYTE_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 112 OP_IPUT_CHAR_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 113 OP_IPUT_SHORT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_UB | DF_IS_SETTER,
+
+    // 114 OP_SGET_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_IS_GETTER,
+
+    // 115 OP_SGET_WIDE_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA_WIDE | DF_IS_GETTER,
+
+    // 116 OP_SGET_OBJECT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_IS_GETTER,
+
+    // 117 OP_SGET_BOOLEAN_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_IS_GETTER,
+
+    // 118 OP_SGET_BYTE_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_IS_GETTER,
+
+    // 119 OP_SGET_CHAR_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_IS_GETTER,
+
+    // 11A OP_SGET_SHORT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_DA | DF_IS_GETTER,
+
+    // 11B OP_SPUT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_IS_SETTER,
+
+    // 11C OP_SPUT_WIDE_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA_WIDE | DF_IS_SETTER,
+
+    // 11D OP_SPUT_OBJECT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_IS_SETTER,
+
+    // 11E OP_SPUT_BOOLEAN_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_IS_SETTER,
+
+    // 11F OP_SPUT_BYTE_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_IS_SETTER,
+
+    // 120 OP_SPUT_CHAR_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_IS_SETTER,
+
+    // 121 OP_SPUT_SHORT_JUMBO vAAAA, vBBBB, field@CCCCCCCC
+    DF_UA | DF_IS_SETTER,
+
+    // 122 OP_INVOKE_VIRTUAL_JUMBO {vCCCC .. vNNNN}, meth@BBBBBBBB
+    DF_FORMAT_3RC,
+
+    // 123 OP_INVOKE_SUPER_JUMBO {vCCCC .. vNNNN}, meth@BBBBBBBB
+    DF_FORMAT_3RC,
+
+    // 124 OP_INVOKE_DIRECT_JUMBO {vCCCC .. vNNNN}, meth@BBBBBBBB
+    DF_FORMAT_3RC,
+
+    // 125 OP_INVOKE_STATIC_JUMBO {vCCCC .. vNNNN}, meth@BBBBBBBB
+    DF_FORMAT_3RC,
+
+    // 126 OP_INVOKE_INTERFACE_JUMBO {vCCCC .. vNNNN}, meth@BBBBBBBB
+    DF_FORMAT_3RC,
+
+    // 127 OP_UNUSED_27FF
+    DF_NOP,
+
+    // 128 OP_UNUSED_28FF
+    DF_NOP,
+
+    // 129 OP_UNUSED_29FF
+    DF_NOP,
+
+    // 12A OP_UNUSED_2AFF
+    DF_NOP,
+
+    // 12B OP_UNUSED_2BFF
+    DF_NOP,
+
+    // 12C OP_UNUSED_2CFF
+    DF_NOP,
+
+    // 12D OP_UNUSED_2DFF
+    DF_NOP,
+
+    // 12E OP_UNUSED_2EFF
+    DF_NOP,
+
+    // 12F OP_UNUSED_2FFF
+    DF_NOP,
+
+    // 130 OP_UNUSED_30FF
+    DF_NOP,
+
+    // 131 OP_UNUSED_31FF
+    DF_NOP,
+
+    // 132 OP_UNUSED_32FF
+    DF_NOP,
+
+    // 133 OP_UNUSED_33FF
+    DF_NOP,
+
+    // 134 OP_UNUSED_34FF
+    DF_NOP,
+
+    // 135 OP_UNUSED_35FF
+    DF_NOP,
+
+    // 136 OP_UNUSED_36FF
+    DF_NOP,
+
+    // 137 OP_UNUSED_37FF
+    DF_NOP,
+
+    // 138 OP_UNUSED_38FF
+    DF_NOP,
+
+    // 139 OP_UNUSED_39FF
+    DF_NOP,
+
+    // 13A OP_UNUSED_3AFF
+    DF_NOP,
+
+    // 13B OP_UNUSED_3BFF
+    DF_NOP,
+
+    // 13C OP_UNUSED_3CFF
+    DF_NOP,
+
+    // 13D OP_UNUSED_3DFF
+    DF_NOP,
+
+    // 13E OP_UNUSED_3EFF
+    DF_NOP,
+
+    // 13F OP_UNUSED_3FFF
+    DF_NOP,
+
+    // 140 OP_UNUSED_40FF
+    DF_NOP,
+
+    // 141 OP_UNUSED_41FF
+    DF_NOP,
+
+    // 142 OP_UNUSED_42FF
+    DF_NOP,
+
+    // 143 OP_UNUSED_43FF
+    DF_NOP,
+
+    // 144 OP_UNUSED_44FF
+    DF_NOP,
+
+    // 145 OP_UNUSED_45FF
+    DF_NOP,
+
+    // 146 OP_UNUSED_46FF
+    DF_NOP,
+
+    // 147 OP_UNUSED_47FF
+    DF_NOP,
+
+    // 148 OP_UNUSED_48FF
+    DF_NOP,
+
+    // 149 OP_UNUSED_49FF
+    DF_NOP,
+
+    // 14A OP_UNUSED_4AFF
+    DF_NOP,
+
+    // 14B OP_UNUSED_4BFF
+    DF_NOP,
+
+    // 14C OP_UNUSED_4CFF
+    DF_NOP,
+
+    // 14D OP_UNUSED_4DFF
+    DF_NOP,
+
+    // 14E OP_UNUSED_4EFF
+    DF_NOP,
+
+    // 14F OP_UNUSED_4FFF
+    DF_NOP,
+
+    // 150 OP_UNUSED_50FF
+    DF_NOP,
+
+    // 151 OP_UNUSED_51FF
+    DF_NOP,
+
+    // 152 OP_UNUSED_52FF
+    DF_NOP,
+
+    // 153 OP_UNUSED_53FF
+    DF_NOP,
+
+    // 154 OP_UNUSED_54FF
+    DF_NOP,
+
+    // 155 OP_UNUSED_55FF
+    DF_NOP,
+
+    // 156 OP_UNUSED_56FF
+    DF_NOP,
+
+    // 157 OP_UNUSED_57FF
+    DF_NOP,
+
+    // 158 OP_UNUSED_58FF
+    DF_NOP,
+
+    // 159 OP_UNUSED_59FF
+    DF_NOP,
+
+    // 15A OP_UNUSED_5AFF
+    DF_NOP,
+
+    // 15B OP_UNUSED_5BFF
+    DF_NOP,
+
+    // 15C OP_UNUSED_5CFF
+    DF_NOP,
+
+    // 15D OP_UNUSED_5DFF
+    DF_NOP,
+
+    // 15E OP_UNUSED_5EFF
+    DF_NOP,
+
+    // 15F OP_UNUSED_5FFF
+    DF_NOP,
+
+    // 160 OP_UNUSED_60FF
+    DF_NOP,
+
+    // 161 OP_UNUSED_61FF
+    DF_NOP,
+
+    // 162 OP_UNUSED_62FF
+    DF_NOP,
+
+    // 163 OP_UNUSED_63FF
+    DF_NOP,
+
+    // 164 OP_UNUSED_64FF
+    DF_NOP,
+
+    // 165 OP_UNUSED_65FF
+    DF_NOP,
+
+    // 166 OP_UNUSED_66FF
+    DF_NOP,
+
+    // 167 OP_UNUSED_67FF
+    DF_NOP,
+
+    // 168 OP_UNUSED_68FF
+    DF_NOP,
+
+    // 169 OP_UNUSED_69FF
+    DF_NOP,
+
+    // 16A OP_UNUSED_6AFF
+    DF_NOP,
+
+    // 16B OP_UNUSED_6BFF
+    DF_NOP,
+
+    // 16C OP_UNUSED_6CFF
+    DF_NOP,
+
+    // 16D OP_UNUSED_6DFF
+    DF_NOP,
+
+    // 16E OP_UNUSED_6EFF
+    DF_NOP,
+
+    // 16F OP_UNUSED_6FFF
+    DF_NOP,
+
+    // 170 OP_UNUSED_70FF
+    DF_NOP,
+
+    // 171 OP_UNUSED_71FF
+    DF_NOP,
+
+    // 172 OP_UNUSED_72FF
+    DF_NOP,
+
+    // 173 OP_UNUSED_73FF
+    DF_NOP,
+
+    // 174 OP_UNUSED_74FF
+    DF_NOP,
+
+    // 175 OP_UNUSED_75FF
+    DF_NOP,
+
+    // 176 OP_UNUSED_76FF
+    DF_NOP,
+
+    // 177 OP_UNUSED_77FF
+    DF_NOP,
+
+    // 178 OP_UNUSED_78FF
+    DF_NOP,
+
+    // 179 OP_UNUSED_79FF
+    DF_NOP,
+
+    // 17A OP_UNUSED_7AFF
+    DF_NOP,
+
+    // 17B OP_UNUSED_7BFF
+    DF_NOP,
+
+    // 17C OP_UNUSED_7CFF
+    DF_NOP,
+
+    // 17D OP_UNUSED_7DFF
+    DF_NOP,
+
+    // 17E OP_UNUSED_7EFF
+    DF_NOP,
+
+    // 17F OP_UNUSED_7FFF
+    DF_NOP,
+
+    // 180 OP_UNUSED_80FF
+    DF_NOP,
+
+    // 181 OP_UNUSED_81FF
+    DF_NOP,
+
+    // 182 OP_UNUSED_82FF
+    DF_NOP,
+
+    // 183 OP_UNUSED_83FF
+    DF_NOP,
+
+    // 184 OP_UNUSED_84FF
+    DF_NOP,
+
+    // 185 OP_UNUSED_85FF
+    DF_NOP,
+
+    // 186 OP_UNUSED_86FF
+    DF_NOP,
+
+    // 187 OP_UNUSED_87FF
+    DF_NOP,
+
+    // 188 OP_UNUSED_88FF
+    DF_NOP,
+
+    // 189 OP_UNUSED_89FF
+    DF_NOP,
+
+    // 18A OP_UNUSED_8AFF
+    DF_NOP,
+
+    // 18B OP_UNUSED_8BFF
+    DF_NOP,
+
+    // 18C OP_UNUSED_8CFF
+    DF_NOP,
+
+    // 18D OP_UNUSED_8DFF
+    DF_NOP,
+
+    // 18E OP_UNUSED_8EFF
+    DF_NOP,
+
+    // 18F OP_UNUSED_8FFF
+    DF_NOP,
+
+    // 190 OP_UNUSED_90FF
+    DF_NOP,
+
+    // 191 OP_UNUSED_91FF
+    DF_NOP,
+
+    // 192 OP_UNUSED_92FF
+    DF_NOP,
+
+    // 193 OP_UNUSED_93FF
+    DF_NOP,
+
+    // 194 OP_UNUSED_94FF
+    DF_NOP,
+
+    // 195 OP_UNUSED_95FF
+    DF_NOP,
+
+    // 196 OP_UNUSED_96FF
+    DF_NOP,
+
+    // 197 OP_UNUSED_97FF
+    DF_NOP,
+
+    // 198 OP_UNUSED_98FF
+    DF_NOP,
+
+    // 199 OP_UNUSED_99FF
+    DF_NOP,
+
+    // 19A OP_UNUSED_9AFF
+    DF_NOP,
+
+    // 19B OP_UNUSED_9BFF
+    DF_NOP,
+
+    // 19C OP_UNUSED_9CFF
+    DF_NOP,
+
+    // 19D OP_UNUSED_9DFF
+    DF_NOP,
+
+    // 19E OP_UNUSED_9EFF
+    DF_NOP,
+
+    // 19F OP_UNUSED_9FFF
+    DF_NOP,
+
+    // 1A0 OP_UNUSED_A0FF
+    DF_NOP,
+
+    // 1A1 OP_UNUSED_A1FF
+    DF_NOP,
+
+    // 1A2 OP_UNUSED_A2FF
+    DF_NOP,
+
+    // 1A3 OP_UNUSED_A3FF
+    DF_NOP,
+
+    // 1A4 OP_UNUSED_A4FF
+    DF_NOP,
+
+    // 1A5 OP_UNUSED_A5FF
+    DF_NOP,
+
+    // 1A6 OP_UNUSED_A6FF
+    DF_NOP,
+
+    // 1A7 OP_UNUSED_A7FF
+    DF_NOP,
+
+    // 1A8 OP_UNUSED_A8FF
+    DF_NOP,
+
+    // 1A9 OP_UNUSED_A9FF
+    DF_NOP,
+
+    // 1AA OP_UNUSED_AAFF
+    DF_NOP,
+
+    // 1AB OP_UNUSED_ABFF
+    DF_NOP,
+
+    // 1AC OP_UNUSED_ACFF
+    DF_NOP,
+
+    // 1AD OP_UNUSED_ADFF
+    DF_NOP,
+
+    // 1AE OP_UNUSED_AEFF
+    DF_NOP,
+
+    // 1AF OP_UNUSED_AFFF
+    DF_NOP,
+
+    // 1B0 OP_UNUSED_B0FF
+    DF_NOP,
+
+    // 1B1 OP_UNUSED_B1FF
+    DF_NOP,
+
+    // 1B2 OP_UNUSED_B2FF
+    DF_NOP,
+
+    // 1B3 OP_UNUSED_B3FF
+    DF_NOP,
+
+    // 1B4 OP_UNUSED_B4FF
+    DF_NOP,
+
+    // 1B5 OP_UNUSED_B5FF
+    DF_NOP,
+
+    // 1B6 OP_UNUSED_B6FF
+    DF_NOP,
+
+    // 1B7 OP_UNUSED_B7FF
+    DF_NOP,
+
+    // 1B8 OP_UNUSED_B8FF
+    DF_NOP,
+
+    // 1B9 OP_UNUSED_B9FF
+    DF_NOP,
+
+    // 1BA OP_UNUSED_BAFF
+    DF_NOP,
+
+    // 1BB OP_UNUSED_BBFF
+    DF_NOP,
+
+    // 1BC OP_UNUSED_BCFF
+    DF_NOP,
+
+    // 1BD OP_UNUSED_BDFF
+    DF_NOP,
+
+    // 1BE OP_UNUSED_BEFF
+    DF_NOP,
+
+    // 1BF OP_UNUSED_BFFF
+    DF_NOP,
+
+    // 1C0 OP_UNUSED_C0FF
+    DF_NOP,
+
+    // 1C1 OP_UNUSED_C1FF
+    DF_NOP,
+
+    // 1C2 OP_UNUSED_C2FF
+    DF_NOP,
+
+    // 1C3 OP_UNUSED_C3FF
+    DF_NOP,
+
+    // 1C4 OP_UNUSED_C4FF
+    DF_NOP,
+
+    // 1C5 OP_UNUSED_C5FF
+    DF_NOP,
+
+    // 1C6 OP_UNUSED_C6FF
+    DF_NOP,
+
+    // 1C7 OP_UNUSED_C7FF
+    DF_NOP,
+
+    // 1C8 OP_UNUSED_C8FF
+    DF_NOP,
+
+    // 1C9 OP_UNUSED_C9FF
+    DF_NOP,
+
+    // 1CA OP_UNUSED_CAFF
+    DF_NOP,
+
+    // 1CB OP_UNUSED_CBFF
+    DF_NOP,
+
+    // 1CC OP_UNUSED_CCFF
+    DF_NOP,
+
+    // 1CD OP_UNUSED_CDFF
+    DF_NOP,
+
+    // 1CE OP_UNUSED_CEFF
+    DF_NOP,
+
+    // 1CF OP_UNUSED_CFFF
+    DF_NOP,
+
+    // 1D0 OP_UNUSED_D0FF
+    DF_NOP,
+
+    // 1D1 OP_UNUSED_D1FF
+    DF_NOP,
+
+    // 1D2 OP_UNUSED_D2FF
+    DF_NOP,
+
+    // 1D3 OP_UNUSED_D3FF
+    DF_NOP,
+
+    // 1D4 OP_UNUSED_D4FF
+    DF_NOP,
+
+    // 1D5 OP_UNUSED_D5FF
+    DF_NOP,
+
+    // 1D6 OP_UNUSED_D6FF
+    DF_NOP,
+
+    // 1D7 OP_UNUSED_D7FF
+    DF_NOP,
+
+    // 1D8 OP_UNUSED_D8FF
+    DF_NOP,
+
+    // 1D9 OP_UNUSED_D9FF
+    DF_NOP,
+
+    // 1DA OP_UNUSED_DAFF
+    DF_NOP,
+
+    // 1DB OP_UNUSED_DBFF
+    DF_NOP,
+
+    // 1DC OP_UNUSED_DCFF
+    DF_NOP,
+
+    // 1DD OP_UNUSED_DDFF
+    DF_NOP,
+
+    // 1DE OP_UNUSED_DEFF
+    DF_NOP,
+
+    // 1DF OP_UNUSED_DFFF
+    DF_NOP,
+
+    // 1E0 OP_UNUSED_E0FF
+    DF_NOP,
+
+    // 1E1 OP_UNUSED_E1FF
+    DF_NOP,
+
+    // 1E2 OP_UNUSED_E2FF
+    DF_NOP,
+
+    // 1E3 OP_UNUSED_E3FF
+    DF_NOP,
+
+    // 1E4 OP_UNUSED_E4FF
+    DF_NOP,
+
+    // 1E5 OP_UNUSED_E5FF
+    DF_NOP,
+
+    // 1E6 OP_UNUSED_E6FF
+    DF_NOP,
+
+    // 1E7 OP_UNUSED_E7FF
+    DF_NOP,
+
+    // 1E8 OP_UNUSED_E8FF
+    DF_NOP,
+
+    // 1E9 OP_UNUSED_E9FF
+    DF_NOP,
+
+    // 1EA OP_UNUSED_EAFF
+    DF_NOP,
+
+    // 1EB OP_UNUSED_EBFF
+    DF_NOP,
+
+    // 1EC OP_UNUSED_ECFF
+    DF_NOP,
+
+    // 1ED OP_UNUSED_EDFF
+    DF_NOP,
+
+    // 1EE OP_UNUSED_EEFF
+    DF_NOP,
+
+    // 1EF OP_UNUSED_EFFF
+    DF_NOP,
+
+    // 1F0 OP_UNUSED_F0FF
+    DF_NOP,
+
+    // 1F1 OP_UNUSED_F1FF
+    DF_NOP,
+
+    // 1F2 OP_INVOKE_OBJECT_INIT_JUMBO
+    DF_NOP,
+
+    // 1F3 OP_IGET_VOLATILE_JUMBO
+    DF_DA | DF_UB,
+
+    // 1F4 OP_IGET_WIDE_VOLATILE_JUMBO
+    DF_DA_WIDE | DF_UB,
+
+    // 1F5 OP_IGET_OBJECT_VOLATILE_JUMBO
+    DF_DA | DF_UB,
+
+    // 1F6 OP_IPUT_VOLATILE_JUMBO
+    DF_UA | DF_UB,
+
+    // 1F7 OP_IPUT_WIDE_VOLATILE_JUMBO
+    DF_UA_WIDE | DF_UB,
+
+    // 1F8 OP_IPUT_OBJECT_VOLATILE_JUMBO
+    DF_UA | DF_UB,
+
+    // 1F9 OP_SGET_VOLATILE_JUMBO
+    DF_DA,
+
+    // 1FA OP_SGET_WIDE_VOLATILE_JUMBO
+    DF_DA_WIDE,
+
+    // 1FB OP_SGET_OBJECT_VOLATILE_JUMBO
+    DF_DA,
+
+    // 1FC OP_SPUT_VOLATILE_JUMBO
+    DF_UA,
+
+    // 1FD OP_SPUT_WIDE_VOLATILE_JUMBO
+    DF_UA_WIDE,
+
+    // 1FE OP_SPUT_OBJECT_VOLATILE_JUMBO
+    DF_UA,
+
+    // 1FF OP_THROW_VERIFICATION_ERROR_JUMBO
+    DF_NOP,
+
+    // Beginning of extended MIR opcodes
+    // 200 OP_MIR_PHI
+    DF_PHI | DF_DA,
+    /*
+     * For extended MIR inserted at the MIR2LIR stage, it is okay to have
+     * undefined values here.
+     */
+};
+
+/* Return the Dalvik register/subscript pair of a given SSA register */
+int oatConvertSSARegToDalvik(const CompilationUnit* cUnit, int ssaReg)
+{
+      return GET_ELEM_N(cUnit->ssaToDalvikMap, int, ssaReg);
+}
+
+/*
+ * Utility function to convert encoded SSA register value into Dalvik register
+ * and subscript pair. Each SSA register can be used to index the
+ * ssaToDalvikMap list to get the subscript[31..16]/dalvik_reg[15..0] mapping.
+ */
+char *oatGetDalvikDisassembly(const DecodedInstruction* insn,
+                                      const char* note)
+{
+    char buffer[256];
+    Opcode opcode = insn->opcode;
+    int dfAttributes = oatDataFlowAttributes[opcode];
+    int flags;
+    char* ret;
+
+    buffer[0] = 0;
+    if ((int)opcode >= (int)kMirOpFirst) {
+        if ((int)opcode == (int)kMirOpPhi) {
+            strcpy(buffer, "PHI");
+        }
+        else {
+            sprintf(buffer, "Opcode %#x", opcode);
+        }
+        flags = 0;
+    } else {
+        strcpy(buffer, dexGetOpcodeName(opcode));
+        flags = dexGetFlagsFromOpcode(insn->opcode);
+    }
+
+    if (note)
+        strcat(buffer, note);
+
+    /* For branches, decode the instructions to print out the branch targets */
+    if (flags & kInstrCanBranch) {
+        InstructionFormat dalvikFormat = dexGetFormatFromOpcode(insn->opcode);
+        int offset = 0;
+        switch (dalvikFormat) {
+            case kFmt21t:
+                snprintf(buffer + strlen(buffer), 256, " v%d,", insn->vA);
+                offset = (int) insn->vB;
+                break;
+            case kFmt22t:
+                snprintf(buffer + strlen(buffer), 256, " v%d, v%d,",
+                         insn->vA, insn->vB);
+                offset = (int) insn->vC;
+                break;
+            case kFmt10t:
+            case kFmt20t:
+            case kFmt30t:
+                offset = (int) insn->vA;
+                break;
+            default:
+                LOG(FATAL) << "Unexpected branch format " << (int)dalvikFormat
+                    << " / opcode " << (int)opcode;
+        }
+        snprintf(buffer + strlen(buffer), 256, " (%c%x)",
+                 offset > 0 ? '+' : '-',
+                 offset > 0 ? offset : -offset);
+    } else if (dfAttributes & DF_FORMAT_35C) {
+        unsigned int i;
+        for (i = 0; i < insn->vA; i++) {
+            if (i != 0) strcat(buffer, ",");
+            snprintf(buffer + strlen(buffer), 256, " v%d", insn->arg[i]);
+        }
+    }
+    else if (dfAttributes & DF_FORMAT_3RC) {
+        snprintf(buffer + strlen(buffer), 256,
+                 " v%d..v%d", insn->vC, insn->vC + insn->vA - 1);
+    }
+    else {
+        if (dfAttributes & DF_A_IS_REG) {
+            snprintf(buffer + strlen(buffer), 256, " v%d", insn->vA);
+        }
+        if (dfAttributes & DF_B_IS_REG) {
+            snprintf(buffer + strlen(buffer), 256, ", v%d", insn->vB);
+        }
+        else if ((int)opcode < (int)kMirOpFirst) {
+            snprintf(buffer + strlen(buffer), 256, ", (#%d)", insn->vB);
+        }
+        if (dfAttributes & DF_C_IS_REG) {
+            snprintf(buffer + strlen(buffer), 256, ", v%d", insn->vC);
+        }
+        else if ((int)opcode < (int)kMirOpFirst) {
+            snprintf(buffer + strlen(buffer), 256, ", (#%d)", insn->vC);
+        }
+    }
+    int length = strlen(buffer) + 1;
+    ret = (char *)oatNew(length, false);
+    memcpy(ret, buffer, length);
+    return ret;
+}
+
+char *getSSAName(const CompilationUnit* cUnit, int ssaReg, char* name)
+{
+    int ssa2DalvikValue = oatConvertSSARegToDalvik(cUnit, ssaReg);
+
+    sprintf(name, "v%d_%d",
+            DECODE_REG(ssa2DalvikValue), DECODE_SUB(ssa2DalvikValue));
+    return name;
+}
+
+/*
+ * Dalvik instruction disassembler with optional SSA printing.
+ */
+char *oatFullDisassembler(const CompilationUnit* cUnit,
+                                  const MIR* mir)
+{
+    char buffer[256];
+    char operand0[256], operand1[256];
+    const DecodedInstruction *insn = &mir->dalvikInsn;
+    int opcode = insn->opcode;
+    int dfAttributes = oatDataFlowAttributes[opcode];
+    char *ret;
+    int length;
+    OpcodeFlags flags;
+
+    buffer[0] = 0;
+    if (opcode >= kMirOpFirst) {
+        if (opcode == kMirOpPhi) {
+            snprintf(buffer, 256, "PHI %s = (%s",
+                     getSSAName(cUnit, mir->ssaRep->defs[0], operand0),
+                     getSSAName(cUnit, mir->ssaRep->uses[0], operand1));
+            int i;
+            for (i = 1; i < mir->ssaRep->numUses; i++) {
+                snprintf(buffer + strlen(buffer), 256, ", %s",
+                         getSSAName(cUnit, mir->ssaRep->uses[i], operand0));
+            }
+            snprintf(buffer + strlen(buffer), 256, ")");
+        }
+        else {
+            sprintf(buffer, "Opcode %#x", opcode);
+        }
+        goto done;
+    } else {
+        strcpy(buffer, dexGetOpcodeName((Opcode)opcode));
+    }
+
+    flags = dexGetFlagsFromOpcode((Opcode)opcode);
+    /* For branches, decode the instructions to print out the branch targets */
+    if (flags & kInstrCanBranch) {
+        InstructionFormat dalvikFormat = dexGetFormatFromOpcode(insn->opcode);
+        int delta = 0;
+        switch (dalvikFormat) {
+            case kFmt21t:
+                snprintf(buffer + strlen(buffer), 256, " %s, ",
+                         getSSAName(cUnit, mir->ssaRep->uses[0], operand0));
+                delta = (int) insn->vB;
+                break;
+            case kFmt22t:
+                snprintf(buffer + strlen(buffer), 256, " %s, %s, ",
+                         getSSAName(cUnit, mir->ssaRep->uses[0], operand0),
+                         getSSAName(cUnit, mir->ssaRep->uses[1], operand1));
+                delta = (int) insn->vC;
+                break;
+            case kFmt10t:
+            case kFmt20t:
+            case kFmt30t:
+                delta = (int) insn->vA;
+                break;
+            default:
+                LOG(FATAL) << "Unexpected branch format: " <<
+                   (int)dalvikFormat;
+        }
+        snprintf(buffer + strlen(buffer), 256, " %04x",
+                 mir->offset + delta);
+    } else if (dfAttributes & (DF_FORMAT_35C | DF_FORMAT_3RC)) {
+        unsigned int i;
+        for (i = 0; i < insn->vA; i++) {
+            if (i != 0) strcat(buffer, ",");
+            snprintf(buffer + strlen(buffer), 256, " %s",
+                     getSSAName(cUnit, mir->ssaRep->uses[i], operand0));
+        }
+    } else {
+        int udIdx;
+        if (mir->ssaRep->numDefs) {
+
+            for (udIdx = 0; udIdx < mir->ssaRep->numDefs; udIdx++) {
+                snprintf(buffer + strlen(buffer), 256, " %s",
+                         getSSAName(cUnit, mir->ssaRep->defs[udIdx], operand0));
+            }
+            strcat(buffer, ",");
+        }
+        if (mir->ssaRep->numUses) {
+            /* No leading ',' for the first use */
+            snprintf(buffer + strlen(buffer), 256, " %s",
+                     getSSAName(cUnit, mir->ssaRep->uses[0], operand0));
+            for (udIdx = 1; udIdx < mir->ssaRep->numUses; udIdx++) {
+                snprintf(buffer + strlen(buffer), 256, ", %s",
+                         getSSAName(cUnit, mir->ssaRep->uses[udIdx], operand0));
+            }
+        }
+        if (opcode < kMirOpFirst) {
+            InstructionFormat dalvikFormat =
+                dexGetFormatFromOpcode((Opcode)opcode);
+            switch (dalvikFormat) {
+                case kFmt11n:        // op vA, #+B
+                case kFmt21s:        // op vAA, #+BBBB
+                case kFmt21h:        // op vAA, #+BBBB00000[00000000]
+                case kFmt31i:        // op vAA, #+BBBBBBBB
+                case kFmt51l:        // op vAA, #+BBBBBBBBBBBBBBBB
+                    snprintf(buffer + strlen(buffer), 256, " #%#x", insn->vB);
+                    break;
+                case kFmt21c:        // op vAA, thing@BBBB
+                case kFmt31c:        // op vAA, thing@BBBBBBBB
+                    snprintf(buffer + strlen(buffer), 256, " @%#x", insn->vB);
+                    break;
+                case kFmt22b:        // op vAA, vBB, #+CC
+                case kFmt22s:        // op vA, vB, #+CCCC
+                    snprintf(buffer + strlen(buffer), 256, " #%#x", insn->vC);
+                    break;
+                case kFmt22c:        // op vA, vB, thing@CCCC
+                case kFmt22cs:       // [opt] op vA, vB, field offset CCCC
+                    snprintf(buffer + strlen(buffer), 256, " @%#x", insn->vC);
+                    break;
+                    /* No need for special printing */
+                default:
+                    break;
+            }
+        }
+    }
+
+done:
+    length = strlen(buffer) + 1;
+    ret = (char *) oatNew(length, false);
+    memcpy(ret, buffer, length);
+    return ret;
+}
+
+/*
+ * Utility function to convert encoded SSA register value into Dalvik register
+ * and subscript pair. Each SSA register can be used to index the
+ * ssaToDalvikMap list to get the subscript[31..16]/dalvik_reg[15..0] mapping.
+ */
+char *oatGetSSAString(CompilationUnit* cUnit, SSARepresentation* ssaRep)
+{
+    char buffer[256];
+    char* ret;
+    int i;
+
+    buffer[0] = 0;
+    for (i = 0; i < ssaRep->numDefs; i++) {
+        int ssa2DalvikValue = oatConvertSSARegToDalvik(cUnit, ssaRep->defs[i]);
+
+        sprintf(buffer + strlen(buffer), "s%d(v%d_%d) ",
+                ssaRep->defs[i], DECODE_REG(ssa2DalvikValue),
+                DECODE_SUB(ssa2DalvikValue));
+    }
+
+    if (ssaRep->numDefs) {
+        strcat(buffer, "<- ");
+    }
+
+    for (i = 0; i < ssaRep->numUses; i++) {
+        int ssa2DalvikValue = oatConvertSSARegToDalvik(cUnit, ssaRep->uses[i]);
+        int len = strlen(buffer);
+
+        if (snprintf(buffer + len, 250 - len, "s%d(v%d_%d) ",
+                     ssaRep->uses[i], DECODE_REG(ssa2DalvikValue),
+                     DECODE_SUB(ssa2DalvikValue)) >= (250 - len)) {
+            strcat(buffer, "...");
+            break;
+        }
+    }
+
+    int length = strlen(buffer) + 1;
+    ret = (char *)oatNew(length, false);
+    memcpy(ret, buffer, length);
+    return ret;
+}
+
+/* Any register that is used before being defined is considered live-in */
+static inline void handleLiveInUse(ArenaBitVector* useV, ArenaBitVector* defV,
+                                   ArenaBitVector* liveInV, int dalvikRegId)
+{
+    oatSetBit(useV, dalvikRegId);
+    if (!oatIsBitSet(defV, dalvikRegId)) {
+        oatSetBit(liveInV, dalvikRegId);
+    }
+}
+
+/* Mark a reg as being defined */
+static inline void handleDef(ArenaBitVector* defV, int dalvikRegId)
+{
+    oatSetBit(defV, dalvikRegId);
+}
+
+/*
+ * Find out live-in variables for natural loops. Variables that are live-in in
+ * the main loop body are considered to be defined in the entry block.
+ */
+bool oatFindLocalLiveIn(CompilationUnit* cUnit, BasicBlock* bb)
+{
+    MIR* mir;
+    ArenaBitVector *useV, *defV, *liveInV;
+
+    if (bb->dataFlowInfo == NULL) return false;
+
+    useV = bb->dataFlowInfo->useV =
+        oatAllocBitVector(cUnit->numDalvikRegisters, false);
+    defV = bb->dataFlowInfo->defV =
+        oatAllocBitVector(cUnit->numDalvikRegisters, false);
+    liveInV = bb->dataFlowInfo->liveInV =
+        oatAllocBitVector(cUnit->numDalvikRegisters, false);
+
+    for (mir = bb->firstMIRInsn; mir; mir = mir->next) {
+        int dfAttributes =
+            oatDataFlowAttributes[mir->dalvikInsn.opcode];
+        DecodedInstruction *dInsn = &mir->dalvikInsn;
+
+        if (dfAttributes & DF_HAS_USES) {
+            if (dfAttributes & DF_UA) {
+                handleLiveInUse(useV, defV, liveInV, dInsn->vA);
+            } else if (dfAttributes & DF_UA_WIDE) {
+                handleLiveInUse(useV, defV, liveInV, dInsn->vA);
+                handleLiveInUse(useV, defV, liveInV, dInsn->vA+1);
+            }
+            if (dfAttributes & DF_UB) {
+                handleLiveInUse(useV, defV, liveInV, dInsn->vB);
+            } else if (dfAttributes & DF_UB_WIDE) {
+                handleLiveInUse(useV, defV, liveInV, dInsn->vB);
+                handleLiveInUse(useV, defV, liveInV, dInsn->vB+1);
+            }
+            if (dfAttributes & DF_UC) {
+                handleLiveInUse(useV, defV, liveInV, dInsn->vC);
+            } else if (dfAttributes & DF_UC_WIDE) {
+                handleLiveInUse(useV, defV, liveInV, dInsn->vC);
+                handleLiveInUse(useV, defV, liveInV, dInsn->vC+1);
+            }
+        }
+        if (dfAttributes & DF_HAS_DEFS) {
+            handleDef(defV, dInsn->vA);
+            if (dfAttributes & DF_DA_WIDE) {
+                handleDef(defV, dInsn->vA+1);
+            }
+        }
+    }
+    return true;
+}
+
+/* Find out the latest SSA register for a given Dalvik register */
+static void handleSSAUse(CompilationUnit* cUnit, int* uses, int dalvikReg,
+                         int regIndex)
+{
+    int encodedValue = cUnit->dalvikToSSAMap[dalvikReg];
+    int ssaReg = DECODE_REG(encodedValue);
+    uses[regIndex] = ssaReg;
+}
+
+/* Setup a new SSA register for a given Dalvik register */
+static void handleSSADef(CompilationUnit* cUnit, int* defs, int dalvikReg,
+                         int regIndex)
+{
+    int encodedValue = cUnit->dalvikToSSAMap[dalvikReg];
+    int ssaReg = cUnit->numSSARegs++;
+    /* Bump up the subscript */
+    int dalvikSub = DECODE_SUB(encodedValue) + 1;
+    int newD2SMapping = ENCODE_REG_SUB(ssaReg, dalvikSub);
+
+    cUnit->dalvikToSSAMap[dalvikReg] = newD2SMapping;
+
+    int newS2DMapping = ENCODE_REG_SUB(dalvikReg, dalvikSub);
+    oatInsertGrowableList(cUnit->ssaToDalvikMap, newS2DMapping);
+
+    defs[regIndex] = ssaReg;
+}
+
+/* Loop up new SSA names for format_35c instructions */
+static void dataFlowSSAFormat35C(CompilationUnit* cUnit, MIR* mir)
+{
+    DecodedInstruction *dInsn = &mir->dalvikInsn;
+    int numUses = dInsn->vA;
+    int i;
+
+    mir->ssaRep->numUses = numUses;
+    mir->ssaRep->uses = (int *)oatNew(sizeof(int) * numUses, false);
+
+    for (i = 0; i < numUses; i++) {
+        handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->arg[i], i);
+    }
+}
+
+/* Loop up new SSA names for format_3rc instructions */
+static void dataFlowSSAFormat3RC(CompilationUnit* cUnit, MIR* mir)
+{
+    DecodedInstruction *dInsn = &mir->dalvikInsn;
+    int numUses = dInsn->vA;
+    int i;
+
+    mir->ssaRep->numUses = numUses;
+    mir->ssaRep->uses = (int *)oatNew(sizeof(int) * numUses, false);
+
+    for (i = 0; i < numUses; i++) {
+        handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vC+i, i);
+    }
+}
+
+/* Entry function to convert a block into SSA representation */
+bool oatDoSSAConversion(CompilationUnit* cUnit, BasicBlock* bb)
+{
+    MIR* mir;
+
+    if (bb->dataFlowInfo == NULL) return false;
+
+    for (mir = bb->firstMIRInsn; mir; mir = mir->next) {
+        mir->ssaRep = (struct SSARepresentation *)
+            oatNew(sizeof(SSARepresentation), true);
+
+        int dfAttributes =
+            oatDataFlowAttributes[mir->dalvikInsn.opcode];
+
+        int numUses = 0;
+
+        if (dfAttributes & DF_FORMAT_35C) {
+            dataFlowSSAFormat35C(cUnit, mir);
+            continue;
+        }
+
+        if (dfAttributes & DF_FORMAT_3RC) {
+            dataFlowSSAFormat3RC(cUnit, mir);
+            continue;
+        }
+
+        if (dfAttributes & DF_HAS_USES) {
+            if (dfAttributes & DF_UA) {
+                numUses++;
+            } else if (dfAttributes & DF_UA_WIDE) {
+                numUses += 2;
+            }
+            if (dfAttributes & DF_UB) {
+                numUses++;
+            } else if (dfAttributes & DF_UB_WIDE) {
+                numUses += 2;
+            }
+            if (dfAttributes & DF_UC) {
+                numUses++;
+            } else if (dfAttributes & DF_UC_WIDE) {
+                numUses += 2;
+            }
+        }
+
+        if (numUses) {
+            mir->ssaRep->numUses = numUses;
+            mir->ssaRep->uses = (int *)oatNew(sizeof(int) * numUses,
+                                                      false);
+            mir->ssaRep->fpUse = (bool *)oatNew(sizeof(bool) * numUses,
+                                                false);
+        }
+
+        int numDefs = 0;
+
+        if (dfAttributes & DF_HAS_DEFS) {
+            numDefs++;
+            if (dfAttributes & DF_DA_WIDE) {
+                numDefs++;
+            }
+        }
+
+        if (numDefs) {
+            mir->ssaRep->numDefs = numDefs;
+            mir->ssaRep->defs = (int *)oatNew(sizeof(int) * numDefs,
+                                                      false);
+            mir->ssaRep->fpDef = (bool *)oatNew(sizeof(bool) * numDefs,
+                                                        false);
+        }
+
+        DecodedInstruction *dInsn = &mir->dalvikInsn;
+
+        if (dfAttributes & DF_HAS_USES) {
+            numUses = 0;
+            if (dfAttributes & DF_UA) {
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_A;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vA, numUses++);
+            } else if (dfAttributes & DF_UA_WIDE) {
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_A;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vA, numUses++);
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_A;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vA+1, numUses++);
+            }
+            if (dfAttributes & DF_UB) {
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_B;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vB, numUses++);
+            } else if (dfAttributes & DF_UB_WIDE) {
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_B;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vB, numUses++);
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_B;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vB+1, numUses++);
+            }
+            if (dfAttributes & DF_UC) {
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_C;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vC, numUses++);
+            } else if (dfAttributes & DF_UC_WIDE) {
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_C;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vC, numUses++);
+                mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_C;
+                handleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vC+1, numUses++);
+            }
+        }
+        if (dfAttributes & DF_HAS_DEFS) {
+            mir->ssaRep->fpDef[0] = dfAttributes & DF_FP_A;
+            handleSSADef(cUnit, mir->ssaRep->defs, dInsn->vA, 0);
+            if (dfAttributes & DF_DA_WIDE) {
+                mir->ssaRep->fpDef[1] = dfAttributes & DF_FP_A;
+                handleSSADef(cUnit, mir->ssaRep->defs, dInsn->vA+1, 1);
+            }
+        }
+    }
+
+    /*
+     * Take a snapshot of Dalvik->SSA mapping at the end of each block. The
+     * input to PHI nodes can be derived from the snapshot of all predecessor
+     * blocks.
+     */
+    bb->dataFlowInfo->dalvikToSSAMap =
+        (int *)oatNew(sizeof(int) * cUnit->method->registersSize,
+                              false);
+
+    memcpy(bb->dataFlowInfo->dalvikToSSAMap, cUnit->dalvikToSSAMap,
+           sizeof(int) * cUnit->method->registersSize);
+    return true;
+}
+
+/* Setup a constant value for opcodes thare have the DF_SETS_CONST attribute */
+static void setConstant(CompilationUnit* cUnit, int ssaReg, int value)
+{
+    oatSetBit(cUnit->isConstantV, ssaReg);
+    cUnit->constantValues[ssaReg] = value;
+}
+
+bool oatDoConstantPropagation(CompilationUnit* cUnit, BasicBlock* bb)
+{
+    MIR* mir;
+    ArenaBitVector *isConstantV = cUnit->isConstantV;
+
+    for (mir = bb->firstMIRInsn; mir; mir = mir->next) {
+        int dfAttributes =
+            oatDataFlowAttributes[mir->dalvikInsn.opcode];
+
+        DecodedInstruction *dInsn = &mir->dalvikInsn;
+
+        if (!(dfAttributes & DF_HAS_DEFS)) continue;
+
+        /* Handle instructions that set up constants directly */
+        if (dfAttributes & DF_SETS_CONST) {
+            if (dfAttributes & DF_DA) {
+                switch (dInsn->opcode) {
+                    case OP_CONST_4:
+                    case OP_CONST_16:
+                    case OP_CONST:
+                        setConstant(cUnit, mir->ssaRep->defs[0], dInsn->vB);
+                        break;
+                    case OP_CONST_HIGH16:
+                        setConstant(cUnit, mir->ssaRep->defs[0],
+                                    dInsn->vB << 16);
+                        break;
+                    default:
+                        break;
+                }
+            } else if (dfAttributes & DF_DA_WIDE) {
+                switch (dInsn->opcode) {
+                    case OP_CONST_WIDE_16:
+                    case OP_CONST_WIDE_32:
+                        setConstant(cUnit, mir->ssaRep->defs[0], dInsn->vB);
+                        setConstant(cUnit, mir->ssaRep->defs[1], 0);
+                        break;
+                    case OP_CONST_WIDE:
+                        setConstant(cUnit, mir->ssaRep->defs[0],
+                                    (int) dInsn->vB_wide);
+                        setConstant(cUnit, mir->ssaRep->defs[1],
+                                    (int) (dInsn->vB_wide >> 32));
+                        break;
+                    case OP_CONST_WIDE_HIGH16:
+                        setConstant(cUnit, mir->ssaRep->defs[0], 0);
+                        setConstant(cUnit, mir->ssaRep->defs[1],
+                                    dInsn->vB << 16);
+                        break;
+                    default:
+                        break;
+                }
+            }
+        /* Handle instructions that set up constants directly */
+        } else if (dfAttributes & DF_IS_MOVE) {
+            int i;
+
+            for (i = 0; i < mir->ssaRep->numUses; i++) {
+                if (!oatIsBitSet(isConstantV, mir->ssaRep->uses[i])) break;
+            }
+            /* Move a register holding a constant to another register */
+            if (i == mir->ssaRep->numUses) {
+                setConstant(cUnit, mir->ssaRep->defs[0],
+                            cUnit->constantValues[mir->ssaRep->uses[0]]);
+                if (dfAttributes & DF_DA_WIDE) {
+                    setConstant(cUnit, mir->ssaRep->defs[1],
+                                cUnit->constantValues[mir->ssaRep->uses[1]]);
+                }
+            }
+        }
+    }
+    /* TODO: implement code to handle arithmetic operations */
+    return true;
+}
+
+/* Setup the basic data structures for SSA conversion */
+void oatInitializeSSAConversion(CompilationUnit* cUnit)
+{
+    int i;
+    int numDalvikReg = cUnit->method->registersSize;
+
+    cUnit->ssaToDalvikMap = (GrowableList *)oatNew(sizeof(GrowableList),
+                                                           false);
+    oatInitGrowableList(cUnit->ssaToDalvikMap, numDalvikReg);
+
+    /*
+     * Initial number of SSA registers is equal to the number of Dalvik
+     * registers.
+     */
+    cUnit->numSSARegs = numDalvikReg;
+
+    /*
+     * Initialize the SSA2Dalvik map list. For the first numDalvikReg elements,
+     * the subscript is 0 so we use the ENCODE_REG_SUB macro to encode the value
+     * into "(0 << 16) | i"
+     */
+    for (i = 0; i < numDalvikReg; i++) {
+        oatInsertGrowableList(cUnit->ssaToDalvikMap, ENCODE_REG_SUB(i, 0));
+    }
+
+    /*
+     * Initialize the DalvikToSSAMap map. The low 16 bit is the SSA register id,
+     * while the high 16 bit is the current subscript. The original Dalvik
+     * register N is mapped to SSA register N with subscript 0.
+     */
+    cUnit->dalvikToSSAMap = (int *)oatNew(sizeof(int) * numDalvikReg,
+                                                  false);
+    for (i = 0; i < numDalvikReg; i++) {
+        cUnit->dalvikToSSAMap[i] = i;
+    }
+
+    /*
+     * Allocate the BasicBlockDataFlow structure for the entry and code blocks
+     */
+    GrowableListIterator iterator;
+
+    oatGrowableListIteratorInit(&cUnit->blockList, &iterator);
+
+    while (true) {
+        BasicBlock* bb = (BasicBlock *) oatGrowableListIteratorNext(&iterator);
+        if (bb == NULL) break;
+        if (bb->hidden == true) continue;
+        if (bb->blockType == kDalvikByteCode ||
+            bb->blockType == kEntryBlock ||
+            bb->blockType == kExitBlock) {
+            bb->dataFlowInfo = (BasicBlockDataFlow *)
+                oatNew(sizeof(BasicBlockDataFlow),
+                               true);
+        }
+    }
+}
+
+/* Clear the visited flag for each BB */
+bool oatClearVisitedFlag(struct CompilationUnit* cUnit,
+                                 struct BasicBlock* bb)
+{
+    bb->visited = false;
+    return true;
+}
+
+void oatDataFlowAnalysisDispatcher(CompilationUnit* cUnit,
+                bool (*func)(CompilationUnit*, BasicBlock*),
+                DataFlowAnalysisMode dfaMode,
+                bool isIterative)
+{
+    bool change = true;
+
+    while (change) {
+        change = false;
+
+        /* Scan all blocks and perform the operations specified in func */
+        if (dfaMode == kAllNodes) {
+            GrowableListIterator iterator;
+            oatGrowableListIteratorInit(&cUnit->blockList, &iterator);
+            while (true) {
+                BasicBlock* bb =
+                    (BasicBlock *) oatGrowableListIteratorNext(&iterator);
+                if (bb == NULL) break;
+                if (bb->hidden == true) continue;
+                change |= (*func)(cUnit, bb);
+            }
+        }
+        /*
+         * Scan all reachable blocks and perform the operations specified in
+         * func.
+         */
+        else if (dfaMode == kReachableNodes) {
+            int numReachableBlocks = cUnit->numReachableBlocks;
+            int idx;
+            const GrowableList *blockList = &cUnit->blockList;
+
+            for (idx = 0; idx < numReachableBlocks; idx++) {
+                int blockIdx = cUnit->dfsOrder.elemList[idx];
+                BasicBlock* bb =
+                    (BasicBlock *) oatGrowableListGetElement(blockList,
+                                                             blockIdx);
+                change |= (*func)(cUnit, bb);
+            }
+        }
+        /*
+         * Scan all reachable blocks by the pre-order in the depth-first-search
+         * CFG and perform the operations specified in func.
+         */
+        else if (dfaMode == kPreOrderDFSTraversal) {
+            int numReachableBlocks = cUnit->numReachableBlocks;
+            int idx;
+            const GrowableList *blockList = &cUnit->blockList;
+
+            for (idx = 0; idx < numReachableBlocks; idx++) {
+                int dfsIdx = cUnit->dfsOrder.elemList[idx];
+                BasicBlock* bb =
+                    (BasicBlock *) oatGrowableListGetElement(blockList, dfsIdx);
+                change |= (*func)(cUnit, bb);
+            }
+        }
+        /*
+         * Scan all reachable blocks by the post-order in the depth-first-search
+         * CFG and perform the operations specified in func.
+         */
+        else if (dfaMode == kPostOrderDFSTraversal) {
+            int numReachableBlocks = cUnit->numReachableBlocks;
+            int idx;
+            const GrowableList *blockList = &cUnit->blockList;
+
+            for (idx = numReachableBlocks - 1; idx >= 0; idx--) {
+                int dfsIdx = cUnit->dfsOrder.elemList[idx];
+                BasicBlock* bb =
+                    (BasicBlock *) oatGrowableListGetElement(blockList, dfsIdx);
+                change |= (*func)(cUnit, bb);
+            }
+        }
+        /*
+         * Scan all reachable blocks by the post-order in the dominator tree
+         * and perform the operations specified in func.
+         */
+        else if (dfaMode == kPostOrderDOMTraversal) {
+            int numReachableBlocks = cUnit->numReachableBlocks;
+            int idx;
+            const GrowableList *blockList = &cUnit->blockList;
+
+            for (idx = 0; idx < numReachableBlocks; idx++) {
+                int domIdx = cUnit->domPostOrderTraversal.elemList[idx];
+                BasicBlock* bb =
+                    (BasicBlock *) oatGrowableListGetElement(blockList, domIdx);
+                change |= (*func)(cUnit, bb);
+            }
+        }
+        /* If isIterative is false, exit the loop after the first iteration */
+        change &= isIterative;
+    }
+}