commit 706e7dbb0dc15e809c2e2346b3bc4927bc1290cd
author TDYa127 <tdy@google.com> Sun May 06 00:05:33 2012 -0700
committer Shih-wei Liao <sliao@google.com> Sun May 06 15:02:05 2012 -0700
tree 0f48cc61b80e401edd88b114f00d23ab8fbb7551
parent 8ca100552be43ed11351a27497e3581abb055311

TBAA, separate different types of heap load/store.

Change-Id: I24dc2857db2985239e17d97fdd6463d7f2b54985

src/compiler_llvm/tbaa_info.h

diff --git a/src/compiler_llvm/tbaa_info.h b/src/compiler_llvm/tbaa_info.h
index 0df732b..1fe9314 100644
--- a/src/compiler_llvm/tbaa_info.h
+++ b/src/compiler_llvm/tbaa_info.h
@@ -35,12 +35,15 @@
  public:
   TBAAInfo(llvm::LLVMContext& context) : context_(context), root_(NULL) {
     std::memset(special_type_, 0, sizeof(special_type_));
+    std::memset(memory_jtype_, 0, sizeof(memory_jtype_));
   }
 
   llvm::MDNode* GetRootType();
 
   llvm::MDNode* GetSpecialType(TBAASpecialType special_ty);
 
+  llvm::MDNode* GetMemoryJType(TBAASpecialType special_ty, JType j_ty);
+
   llvm::MDNode* GenTBAANode(llvm::StringRef name,
                             llvm::MDNode* parent = NULL,
                             bool readonly = false);
@@ -49,6 +52,9 @@
   llvm::LLVMContext& context_;
   llvm::MDNode* root_;
   llvm::MDNode* special_type_[MAX_TBAA_SPECIAL_TYPE];
+  // There are 3 categories of memory types will not alias: array element, identified field, and
+  // static field.
+  llvm::MDNode* memory_jtype_[3][MAX_JTYPE];
 };