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Minor cleanup, no functionality change

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llvm-svn: 14972
This commit is contained in:
Chris Lattner 2004-07-18 18:59:44 +00:00
parent 8eb32809bc
commit 8c4d6aa7e8
1 changed files with 2 additions and 7 deletions
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9
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -2456,10 +2456,8 @@ Instruction *InstCombiner::visitCallSite(CallSite CS) {
bool InstCombiner::transformConstExprCastCall(CallSite CS) {
if (!isa<ConstantExpr>(CS.getCalledValue())) return false;
ConstantExpr *CE = cast<ConstantExpr>(CS.getCalledValue());
if (CE->getOpcode() != Instruction::Cast ||
!isa<GlobalValue>(CE->getOperand(0)))
if (CE->getOpcode() != Instruction::Cast || !isa<Function>(CE->getOperand(0)))
return false;
if (!isa<Function>(CE->getOperand(0))) return false;
Function *Callee = cast<Function>(CE->getOperand(0));
Instruction *Caller = CS.getInstruction();
@ -2809,8 +2807,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) {
Indices.push_back(cast<Constant>(*I));
if (I == E) { // If they are all constants...
Constant *CE =
ConstantExpr::getGetElementPtr(GV, Indices);
Constant *CE = ConstantExpr::getGetElementPtr(GV, Indices);
// Replace all uses of the GEP with the new constexpr...
return ReplaceInstUsesWith(GEP, CE);
@ -2977,8 +2974,6 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) {
if (Constant *C = dyn_cast<Constant>(Op))
if (C->isNullValue()) // load null -> 0
return ReplaceInstUsesWith(LI, Constant::getNullValue(LI.getType()));
else if (isa<GlobalValue>(C))
Op = C;
// Instcombine load (constant global) into the value loaded...
if (GlobalVariable *GV = dyn_cast<GlobalVariable>(Op))