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use CallSite to access calls vs. invokes uniformly 

and remove assumptions about operand order

llvm-svn: 100544
This commit is contained in:
Gabor Greif 2010-04-06 18:45:08 +00:00
parent 5ec32e7fd8
commit 0439789023
1 changed files with 6 additions and 5 deletions
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11
llvm/lib/Transforms/IPO/GlobalOpt.cpp
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@ -682,16 +682,17 @@ static bool OptimizeAwayTrappingUsesOfValue(Value *V, Constant *NewV) {
Changed = true;
}
} else if (isa<CallInst>(I) || isa<InvokeInst>(I)) {
if (I->getOperand(0) == V) {
CallSite CS(I);
if (CS.getCalledValue() == V) {
// Calling through the pointer! Turn into a direct call, but be careful
// that the pointer is not also being passed as an argument.
I->setOperand(0, NewV);
CS.setCalledFunction(NewV);
Changed = true;
bool PassedAsArg = false;
for (unsigned i = 1, e = I->getNumOperands(); i != e; ++i)
if (I->getOperand(i) == V) {
for (unsigned i = 0, e = CS.arg_size(); i != e; ++i)
if (CS.getArgument(i) == V) {
PassedAsArg = true;
I->setOperand(i, NewV);
CS.setArgument(i, NewV);
}
if (PassedAsArg) {