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use CallSite::isCalle instead of slow getOperandNo 

llvm-svn: 62877
This commit is contained in:
Gabor Greif 2009-01-23 21:17:04 +00:00
parent 51650d380b
commit 59c431347f
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
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@ -182,7 +182,7 @@ bool DAE::DeleteDeadVarargs(Function &Fn) {
if (!TheCall) return false; // Not a direct call site?
// The addr of this function is passed to the call.
if (I.getOperandNo() != 0) return false;
if (!CS.isCallee(I)) return false;
}
// Okay, we know we can transform this function if safe. Scan its body
@ -438,13 +438,13 @@ void DAE::SurveyFunction(Function &F) {
for (Value::use_iterator I = F.use_begin(), E = F.use_end(); I != E; ++I) {
// If the function is PASSED IN as an argument, its address has been
// taken.
if (I.getOperandNo() != 0) {
CallSite CS = CallSite::get(*I);
if (!CS.getInstruction() || !CS.isCallee(I)) {
MarkLive(F);
return;
}
// If this use is anything other than a call site, the function is alive.
CallSite CS = CallSite::get(*I);
Instruction *TheCall = CS.getInstruction();
if (!TheCall) { // Not a direct call site?
MarkLive(F);