commit aba61123f9c10a19ab0c14f9833622d8e4788f96
author TDYa127 <tdy@google.com> Fri May 04 18:28:36 2012 -0700
committer Shih-wei Liao <sliao@google.com> Sat May 05 17:33:44 2012 -0700
tree f1115329c37be1497fa06232cefce093cfa56774
parent d0379748bd05b949a8e2193b44ddf4950f9569a8

Basic TBAA.

Separate load/store of register, memory, runtime information, and stack
temp.

Change-Id: I9d1eadac718c48f43839b0762460defc6c641ae4

src/compiler_llvm/upcall_compiler.cc

diff --git a/src/compiler_llvm/upcall_compiler.cc b/src/compiler_llvm/upcall_compiler.cc
index 11d50ff..fd2e59d 100644
--- a/src/compiler_llvm/upcall_compiler.cc
+++ b/src/compiler_llvm/upcall_compiler.cc
@@ -135,7 +135,7 @@
 
       llvm::Value* arg_addr = irb_.CreateBitCast(arg_jvalue_addr, arg_type);
 
-      args.push_back(irb_.CreateLoad(arg_addr));
+      args.push_back(irb_.CreateLoad(arg_addr, kTBAAStackTemp));
 
     } else {
       LOG(FATAL) << "Unexpected arg shorty for invoke stub: " << shorty[i];
@@ -152,7 +152,7 @@
     irb_.CreatePtrDisp(method_object_addr, code_field_offset_value,
                        accurate_func_type->getPointerTo()->getPointerTo());
 
-  llvm::Value* code_addr = irb_.CreateLoad(code_field_addr);
+  llvm::Value* code_addr = irb_.CreateLoad(code_field_addr, kTBAARuntimeInfo);
 #else
   llvm::Value* result = irb_.CreateCall(irb_.GetRuntime(FixStub), method_object_addr);
   llvm::Value* code_addr = irb_.CreatePointerCast(result, accurate_func_type->getPointerTo());
@@ -174,7 +174,7 @@
     llvm::Value* ret_addr =
       irb_.CreateBitCast(retval_addr, accurate_ret_type->getPointerTo());
 
-    irb_.CreateStore(retval, ret_addr);
+    irb_.CreateStore(retval, ret_addr, kTBAAStackTemp);
   }
 
   irb_.CreateRetVoid();