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Mark the passed in "self" for a block as an object pointer so 

that the backend can mark it as the representative pointer for
the block.

rdar://12001329

llvm-svn: 164418
This commit is contained in:
Eric Christopher 2012-09-21 22:18:42 +00:00
parent 89df5ecaf2
commit a52a6a8351
1 changed files with 9 additions and 3 deletions
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12
clang/lib/CodeGen/CGDebugInfo.cpp
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@ -2418,9 +2418,10 @@ void CGDebugInfo::EmitDeclareOfAutoVariable(const VarDecl *VD,
EmitDeclare(VD, llvm::dwarf::DW_TAG_auto_variable, Storage, 0, Builder);
}
void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable(
const VarDecl *VD, llvm::Value *Storage, CGBuilderTy &Builder,
const CGBlockInfo &blockInfo) {
void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable(const VarDecl *VD,
llvm::Value *Storage,
CGBuilderTy &Builder,
const CGBlockInfo &blockInfo) {
assert(CGM.getCodeGenOpts().DebugInfo >= CodeGenOptions::LimitedDebugInfo);
assert(!LexicalBlockStack.empty() && "Region stack mismatch, stack empty!");
@ -2437,6 +2438,11 @@ void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable(
else
Ty = getOrCreateType(VD->getType(), Unit);
// Self is passed along as an implicit non-arg variable in a
// block. Mark it as the object pointer.
if (isa<ImplicitParamDecl>(VD) && VD->getName() == "self")
Ty = DBuilder.createObjectPointerType(Ty);
// Get location information.
unsigned Line = getLineNumber(VD->getLocation());
unsigned Column = getColumnNumber(VD->getLocation());