From e3b916d1649de6689034aa1dcf9ceaeba4db72dc Mon Sep 17 00:00:00 2001
From: Davide Italiano <davide@freebsd.org>
Date: Mon, 8 Aug 2016 03:23:01 +0000
Subject: [SimplifyLibCalls] Emit sqrt intrinsic instead of a libcall.

llvm-svn: 277972
---
 llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(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 5e648db..a958eee 100644
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -1052,8 +1052,9 @@ Value *LibCallSimplifier::optimizePow(CallInst *CI, IRBuilder<> &B) {
     if (CI->hasUnsafeAlgebra()) {
       IRBuilder<>::FastMathFlagGuard Guard(B);
       B.setFastMathFlags(CI->getFastMathFlags());
-      return emitUnaryFloatFnCall(Op1, TLI->getName(LibFunc::sqrt), B,
-                                  Callee->getAttributes());
+      Value *Sqrt = Intrinsic::getDeclaration(CI->getModule(), Intrinsic::sqrt,
+                                              Op1->getType());
+      return B.CreateCall(Sqrt, Op1, "sqrt");
     }
 
     // Expand pow(x, 0.5) to (x == -infinity ? +infinity : fabs(sqrt(x))).
-- 
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