Use MDBuilder to build metadata.
Change-Id: I7e6872bf46c5e064a8cc936edfd18566610d80d5
diff --git a/src/compiler_llvm/md_builder.cc b/src/compiler_llvm/md_builder.cc
new file mode 100644
index 0000000..f5232aa
--- /dev/null
+++ b/src/compiler_llvm/md_builder.cc
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2012 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 "md_builder.h"
+
+#include "llvm/Support/MDBuilder.h"
+
+#include <string>
+
+namespace art {
+namespace compiler_llvm {
+
+
+llvm::MDNode* MDBuilder::GetTBAASpecialType(TBAASpecialType sty_id) {
+ DCHECK_GE(sty_id, 0) << "Unknown TBAA special type: " << sty_id;
+ DCHECK_LT(sty_id, MAX_TBAA_SPECIAL_TYPE) << "Unknown TBAA special type: " << sty_id;
+ DCHECK(tbaa_root_ != NULL);
+
+ llvm::MDNode*& spec_ty = tbaa_special_type_[sty_id];
+ if (spec_ty == NULL) {
+ switch (sty_id) {
+ case kTBAARegister: spec_ty = createTBAANode("Register", tbaa_root_); break;
+ case kTBAAStackTemp: spec_ty = createTBAANode("StackTemp", tbaa_root_); break;
+ case kTBAAHeapArray: spec_ty = createTBAANode("HeapArray", tbaa_root_); break;
+ case kTBAAHeapInstance: spec_ty = createTBAANode("HeapInstance", tbaa_root_); break;
+ case kTBAAHeapStatic: spec_ty = createTBAANode("HeapStatic", tbaa_root_); break;
+ case kTBAAJRuntime: spec_ty = createTBAANode("JRuntime", tbaa_root_); break;
+ case kTBAARuntimeInfo: spec_ty = createTBAANode("RuntimeInfo", tbaa_root_); break;
+ case kTBAAShadowFrame: spec_ty = createTBAANode("ShadowFrame", tbaa_root_); break;
+ case kTBAAConstJObject: spec_ty = createTBAANode("ConstJObject", tbaa_root_, true); break;
+ default:
+ LOG(FATAL) << "Unknown TBAA special type: " << sty_id;
+ break;
+ }
+ }
+ return spec_ty;
+}
+
+llvm::MDNode* MDBuilder::GetTBAAMemoryJType(TBAASpecialType sty_id, JType jty_id) {
+ DCHECK(sty_id == kTBAAHeapArray ||
+ sty_id == kTBAAHeapInstance ||
+ sty_id == kTBAAHeapStatic) << "SpecialType must be array, instance, or static";
+
+ DCHECK_GE(jty_id, 0) << "Unknown JType: " << jty_id;
+ DCHECK_LT(jty_id, MAX_JTYPE) << "Unknown JType: " << jty_id;
+ DCHECK_NE(jty_id, kVoid) << "Can't load/store Void type!";
+
+ std::string name;
+ size_t sty_mapped_index = 0;
+ switch (sty_id) {
+ case kTBAAHeapArray: sty_mapped_index = 0; name = "HeapArray "; break;
+ case kTBAAHeapInstance: sty_mapped_index = 1; name = "HeapInstance "; break;
+ case kTBAAHeapStatic: sty_mapped_index = 2; name = "HeapStatic "; break;
+ default:
+ LOG(FATAL) << "Unknown TBAA special type: " << sty_id;
+ break;
+ }
+
+ llvm::MDNode*& spec_ty = tbaa_memory_jtype_[sty_mapped_index][jty_id];
+ if (spec_ty != NULL) {
+ return spec_ty;
+ }
+
+ switch (jty_id) {
+ case kBoolean: name += "Boolean"; break;
+ case kByte: name += "Byte"; break;
+ case kChar: name += "Char"; break;
+ case kShort: name += "Short"; break;
+ case kInt: name += "Int"; break;
+ case kLong: name += "Long"; break;
+ case kFloat: name += "Float"; break;
+ case kDouble: name += "Double"; break;
+ case kObject: name += "Object"; break;
+ default:
+ LOG(FATAL) << "Unknown JType: " << jty_id;
+ break;
+ }
+
+ spec_ty = createTBAANode(name, GetTBAASpecialType(sty_id));
+ return spec_ty;
+}
+
+
+} // namespace compiler_llvm
+} // namespace art