From 892c923c469bf333909827ae5ae5f0ecd1b4b88f Mon Sep 17 00:00:00 2001
From: Matthias Braun <matze@braunis.de>
Date: Wed, 3 Dec 2014 21:46:29 +0000
Subject: [SimplifyLibCalls] Enable double to float shrinking for copysign

rdar://19049359

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

llvm-svn: 223269
---
 llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp')

diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
index a39f1280988..6afde9e3926 100644
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -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))
-- 
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