[SimplifyLibCalls] Don't hardcode the function name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252342 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/SimplifyLibCalls.cpp b/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 76a28e13bafe29fcd974b2a4d3b28eb2132036f1..2eb9938955e89cb343f5361d2f99551bcb0b11df 100644 (file)
--- a/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -1093,7 +1093,8 @@ Value *LibCallSimplifier::optimizePow(CallInst *CI, IRBuilder<> &B) {
     if (Op1C->isExactlyValue(2.0) &&
         hasUnaryFloatFn(TLI, Op1->getType(), LibFunc::exp2, LibFunc::exp2f,
                         LibFunc::exp2l))
-      return EmitUnaryFloatFnCall(Op2, "exp2", B, Callee->getAttributes());
+      return EmitUnaryFloatFnCall(Op2, TLI->getName(LibFunc::exp2), B,
+                                  Callee->getAttributes());
     // pow(10.0, x) -> exp10(x)
     if (Op1C->isExactlyValue(10.0) &&
         hasUnaryFloatFn(TLI, Op1->getType(), LibFunc::exp10, LibFunc::exp10f,