6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-11-23 00:20:25 +00:00
Code Issues Projects Releases Wiki Activity

- Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an empty string for ConstantAggregateZero case which surprises selectiondag.

Browse Source 
- Correctly handle memcpy from constant string which is zero-initialized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52891 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-06-30 07:31:25 +00:00
parent 2ca698df93
commit 0ff39b3feb
11 changed files with 168 additions and 174 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
lib/VMCore/IntrinsicInst.cpp
View File

@@ -28,6 +28,7 @@
#include "llvm/IntrinsicInst.h"
#include "llvm/Constants.h"
#include "llvm/GlobalVariable.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/MachineDebugInfoDesc.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
using namespace llvm;
@@ -58,20 +59,20 @@ Value *DbgInfoIntrinsic::StripCast(Value *C) {
/// DbgStopPointInst - This represents the llvm.dbg.stoppoint instruction.
///
std::string DbgStopPointInst::getFileName() const {
Value *DbgStopPointInst::getFileName() const {
// Once the operand indices are verified, update this assert
assert(LLVMDebugVersion == (6 << 16) && "Verify operand indices");
GlobalVariable *GV = cast<GlobalVariable>(getContext());
if (!GV->hasInitializer()) return "";
if (!GV->hasInitializer()) return NULL;
ConstantStruct *CS = cast<ConstantStruct>(GV->getInitializer());
return CS->getOperand(3)->getStringValue();
return CS->getOperand(4);
}
std::string DbgStopPointInst::getDirectory() const {
Value *DbgStopPointInst::getDirectory() const {
// Once the operand indices are verified, update this assert
assert(LLVMDebugVersion == (6 << 16) && "Verify operand indices");
GlobalVariable *GV = cast<GlobalVariable>(getContext());
if (!GV->hasInitializer()) return "";
if (!GV->hasInitializer()) return NULL;
ConstantStruct *CS = cast<ConstantStruct>(GV->getInitializer());
return CS->getOperand(4)->getStringValue();
return CS->getOperand(4);
}