Quick: Clean up Mir2Lir codegen.

Clean up WrapPointer()/UnwrapPointer() and OpPcRelLoad().

Change-Id: I1a91f01e1e779599c77f3f6efcac2a6ad34629cf
diff --git a/compiler/dex/quick/arm64/assemble_arm64.cc b/compiler/dex/quick/arm64/assemble_arm64.cc
index aa5e5b4..329bb1e 100644
--- a/compiler/dex/quick/arm64/assemble_arm64.cc
+++ b/compiler/dex/quick/arm64/assemble_arm64.cc
@@ -1003,7 +1003,7 @@
                                       0 : offset_adjustment) + target_lir->offset;
             delta = target_offs - lir->offset;
           } else if (lir->operands[2] >= 0) {
-            EmbeddedData* tab = reinterpret_cast<EmbeddedData*>(UnwrapPointer(lir->operands[2]));
+            const EmbeddedData* tab = UnwrapPointer<EmbeddedData>(lir->operands[2]);
             delta = tab->offset + offset_adjustment - lir->offset;
           } else {
             // No fixup: this usage allows to retrieve the current PC.
diff --git a/compiler/dex/quick/arm64/call_arm64.cc b/compiler/dex/quick/arm64/call_arm64.cc
index 1dcbe60..823cb60 100644
--- a/compiler/dex/quick/arm64/call_arm64.cc
+++ b/compiler/dex/quick/arm64/call_arm64.cc
@@ -525,7 +525,7 @@
   // NOTE: Method deduplication takes linker patches into account, so we can just pass 0
   // as a placeholder for the offset.
   LIR* call = RawLIR(current_dalvik_offset_, kA64Bl1t, 0,
-                     target_method_idx, WrapPointer(const_cast<DexFile*>(target_dex_file)), type);
+                     target_method_idx, WrapPointer(target_dex_file), type);
   AppendLIR(call);
   call_method_insns_.push_back(call);
   return call;
diff --git a/compiler/dex/quick/arm64/codegen_arm64.h b/compiler/dex/quick/arm64/codegen_arm64.h
index d5f0536..54fd46d 100644
--- a/compiler/dex/quick/arm64/codegen_arm64.h
+++ b/compiler/dex/quick/arm64/codegen_arm64.h
@@ -203,7 +203,7 @@
   LIR* OpIT(ConditionCode cond, const char* guide) OVERRIDE;
   void OpEndIT(LIR* it) OVERRIDE;
   LIR* OpMem(OpKind op, RegStorage r_base, int disp) OVERRIDE;
-  LIR* OpPcRelLoad(RegStorage reg, LIR* target) OVERRIDE;
+  void OpPcRelLoad(RegStorage reg, LIR* target) OVERRIDE;
   LIR* OpReg(OpKind op, RegStorage r_dest_src) OVERRIDE;
   void OpRegCopy(RegStorage r_dest, RegStorage r_src) OVERRIDE;
   LIR* OpRegCopyNoInsert(RegStorage r_dest, RegStorage r_src) OVERRIDE;
diff --git a/compiler/dex/quick/arm64/int_arm64.cc b/compiler/dex/quick/arm64/int_arm64.cc
index 92675f3..2372ccc 100644
--- a/compiler/dex/quick/arm64/int_arm64.cc
+++ b/compiler/dex/quick/arm64/int_arm64.cc
@@ -937,9 +937,10 @@
   return true;
 }
 
-LIR* Arm64Mir2Lir::OpPcRelLoad(RegStorage reg, LIR* target) {
+void Arm64Mir2Lir::OpPcRelLoad(RegStorage reg, LIR* target) {
   ScopedMemRefType mem_ref_type(this, ResourceMask::kLiteral);
-  return RawLIR(current_dalvik_offset_, kA64Ldr2rp, As32BitReg(reg).GetReg(), 0, 0, 0, 0, target);
+  LIR* lir = NewLIR2(kA64Ldr2rp, As32BitReg(reg).GetReg(), 0);
+  lir->target = target;
 }
 
 LIR* Arm64Mir2Lir::OpVldm(RegStorage r_base, int count) {
diff --git a/compiler/dex/quick/arm64/target_arm64.cc b/compiler/dex/quick/arm64/target_arm64.cc
index 136be94..09a34bf 100644
--- a/compiler/dex/quick/arm64/target_arm64.cc
+++ b/compiler/dex/quick/arm64/target_arm64.cc
@@ -851,9 +851,7 @@
   for (LIR* p : call_method_insns_) {
       DCHECK_EQ(p->opcode, kA64Bl1t);
       uint32_t target_method_idx = p->operands[1];
-      const DexFile* target_dex_file =
-          reinterpret_cast<const DexFile*>(UnwrapPointer(p->operands[2]));
-
+      const DexFile* target_dex_file = UnwrapPointer<DexFile>(p->operands[2]);
       patches_.push_back(LinkerPatch::RelativeCodePatch(p->offset,
                                                         target_dex_file, target_method_idx));
   }