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Make sure the two arguments of a setcc instruction point to the same node. 

llvm-svn: 20462
This commit is contained in:
Chris Lattner 2005-03-05 19:04:31 +00:00
parent aa72c889a6
commit 7c832fb0b2
1 changed files with 8 additions and 1 deletions
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9
llvm/lib/Analysis/DataStructure/Local.cpp
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@ -112,7 +112,7 @@ namespace {
void visitStoreInst(StoreInst &SI);
void visitCallInst(CallInst &CI);
void visitInvokeInst(InvokeInst &II);
void visitSetCondInst(SetCondInst &SCI) {} // SetEQ & friends are ignored
void visitSetCondInst(SetCondInst &SCI);
void visitFreeInst(FreeInst &FI);
void visitCastInst(CastInst &CI);
void visitInstruction(Instruction &I);
@ -325,6 +325,13 @@ void GraphBuilder::visitSelectInst(SelectInst &SI) {
Dest.mergeWith(getValueDest(*SI.getOperand(2)));
}
void GraphBuilder::visitSetCondInst(SetCondInst &SCI) {
if (!isPointerType(SCI.getOperand(0)->getType()) ||
isa<ConstantPointerNull>(SCI.getOperand(1))) return; // Only pointers
ScalarMap[SCI.getOperand(0)].mergeWith(getValueDest(*SCI.getOperand(1)));
}
void GraphBuilder::visitGetElementPtrInst(User &GEP) {
DSNodeHandle Value = getValueDest(*GEP.getOperand(0));
if (Value.isNull())