commit 9029564e8c8edafa078b91b0f6b16b19438dabf7
author Ivan A. Kosarev <ikosarev@accesssoftek.com> Fri Oct 13 16:47:22 2017 +0000
committer Ivan A. Kosarev <ikosarev@accesssoftek.com> Fri Oct 13 16:47:22 2017 +0000
tree bb1642da704959e6dbaf19e6dee6c24457c28341
parent 8d810fee436510db408fccb27a2c73076cf16536

[CodeGen] EmitLoadOfPointer() to generate TBAA info along with LValue base info

This patch should not bring in any functional changes.

Differential Revision: https://reviews.llvm.org/D38791

llvm-svn: 315704

clang/lib/CodeGen/CGExpr.cpp

diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index ec1f300..bb2e855 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -2165,7 +2165,11 @@
 
 Address CodeGenFunction::EmitLoadOfPointer(Address Ptr,
                                            const PointerType *PtrTy,
-                                           LValueBaseInfo *BaseInfo) {
+                                           LValueBaseInfo *BaseInfo,
+                                           TBAAAccessInfo *TBAAInfo) {
+  if (TBAAInfo)
+    *TBAAInfo = CGM.getTBAAAccessInfo(PtrTy->getPointeeType());
+
   llvm::Value *Addr = Builder.CreateLoad(Ptr);
   return Address(Addr, getNaturalTypeAlignment(PtrTy->getPointeeType(),
                                                BaseInfo,
@@ -2175,9 +2179,9 @@
 LValue CodeGenFunction::EmitLoadOfPointerLValue(Address PtrAddr,
                                                 const PointerType *PtrTy) {
   LValueBaseInfo BaseInfo;
-  Address Addr = EmitLoadOfPointer(PtrAddr, PtrTy, &BaseInfo);
-  return MakeAddrLValue(Addr, PtrTy->getPointeeType(), BaseInfo,
-                        CGM.getTBAAAccessInfo(PtrTy->getPointeeType()));
+  TBAAAccessInfo TBAAInfo;
+  Address Addr = EmitLoadOfPointer(PtrAddr, PtrTy, &BaseInfo, &TBAAInfo);
+  return MakeAddrLValue(Addr, PtrTy->getPointeeType(), BaseInfo, TBAAInfo);
 }
 
 static LValue EmitGlobalVarDeclLValue(CodeGenFunction &CGF,