IRgen optimization: cache the value of 'this' and 'vtt' instead of

repeatedly reloading from an alloca.  We still need to create the alloca
for debug info purposes (although we currently create it in all cases
because of some abstraction boundaries that're hard to break down).

llvm-svn: 96403

1 files changed, 0 insertions, 12 deletions

diff --git a/clang/lib/CodeGen/CGCXX.cpp b/clang/lib/CodeGen/CGCXX.cpp
index 28c4c6b4b57..c4c52aac034 100644
--- a/clang/lib/CodeGen/CGCXX.cpp
+++ b/clang/lib/CodeGen/CGCXX.cpp
@@ -28,18 +28,6 @@ using namespace CodeGen;
 
 
 
-llvm::Value *CodeGenFunction::LoadCXXThis() {
-  assert(isa<CXXMethodDecl>(CurFuncDecl) &&
-         "Must be in a C++ member function decl to load 'this'");
-  assert(cast<CXXMethodDecl>(CurFuncDecl)->isInstance() &&
-         "Must be in a C++ member function decl to load 'this'");
-
-  // FIXME: What if we're inside a block?
-  // ans: See how CodeGenFunction::LoadObjCSelf() uses
-  // CodeGenFunction::BlockForwardSelf() for how to do this.
-  return Builder.CreateLoad(LocalDeclMap[CXXThisDecl], "this");
-}
-
 void CodeGenModule::EmitCXXConstructors(const CXXConstructorDecl *D) {
   EmitGlobal(GlobalDecl(D, Ctor_Complete));
   EmitGlobal(GlobalDecl(D, Ctor_Base));