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Check to see if the 'no-builtin' attribute is set before simplifying a library call.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175470 91177308-0d34-0410-b5e6-96231b3b80d8
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Bill Wendling
2013-02-18 23:17:16 +00:00
parent 5b0a8d9ca6
commit 2af5035a1d
2 changed files with 26 additions and 0 deletions
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3
lib/Transforms/Utils/SimplifyLibCalls.cpp
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@ -1889,6 +1889,9 @@ LibCallSimplifier::~LibCallSimplifier() {
}
Value *LibCallSimplifier::optimizeCall(CallInst *CI) {
Function *F = CI->getParent()->getParent();
// We don't want to "optimize" if the function doesn't want builtins.
if (F->hasFnAttribute("no-builtin")) return 0;
return Impl->optimizeCall(CI);
}