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Implement and use new method Function::hasAddressTaken().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73164 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad
2009-06-10 08:41:11 +00:00
parent cb597c9cc4
commit 757068f3ba
5 changed files with 21 additions and 38 deletions
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13
lib/Transforms/IPO/ArgumentPromotion.cpp
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@ -127,17 +127,8 @@ bool ArgPromotion::PromoteArguments(CallGraphNode *CGN) {
// Second check: make sure that all callers are direct callers. We can't
// transform functions that have indirect callers.
for (Value::use_iterator UI = F->use_begin(), E = F->use_end();
UI != E; ++UI) {
CallSite CS = CallSite::get(*UI);
if (!CS.getInstruction()) // "Taking the address" of the function
return false;
// Ensure that this call site is CALLING the function, not passing it as
// an argument.
if (!CS.isCallee(UI))
return false;
}
if (F->hasAddressTaken())
return false;
// Check to see which arguments are promotable. If an argument is promotable,
// add it to ArgsToPromote.