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[SimplifyLibCalls] Enable double to float shrinking for copysign

Browse Source 
rdar://19049359

Differential Revision: http://reviews.llvm.org/D6495

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223269 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun
2014-12-03 21:46:29 +00:00
parent ec42b05190
commit 9d362ec2a4
2 changed files with 15 additions and 0 deletions
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1
lib/Transforms/Utils/SimplifyLibCalls.cpp
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@ -2177,6 +2177,7 @@ Value *LibCallSimplifier::optimizeCall(CallInst *CI) {
if (UnsafeFPShrink && hasFloatVersion(FuncName))
return optimizeUnaryDoubleFP(CI, Builder, true);
return nullptr;
case LibFunc::copysign:
case LibFunc::fmin:
case LibFunc::fmax:
if (hasFloatVersion(FuncName))