diff options
Diffstat (limited to 'lib/Transforms/Utils')
-rw-r--r-- | lib/Transforms/Utils/SimplifyLibCalls.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/SimplifyLibCalls.cpp b/lib/Transforms/Utils/SimplifyLibCalls.cpp index 15b3e66f94..b555cf8bdd 100644 --- a/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -1162,6 +1162,12 @@ struct PowOpt : public UnsafeFPLibCallOptimization { hasUnaryFloatFn(TLI, Op1->getType(), LibFunc::exp2, LibFunc::exp2f, LibFunc::exp2l)) return EmitUnaryFloatFnCall(Op2, "exp2", B, Callee->getAttributes()); + // pow(10.0, x) -> exp10(x) + if (Op1C->isExactlyValue(10.0) && + hasUnaryFloatFn(TLI, Op1->getType(), LibFunc::exp10, LibFunc::exp10f, + LibFunc::exp10l)) + return EmitUnaryFloatFnCall(Op2, TLI->getName(LibFunc::exp10), B, + Callee->getAttributes()); } ConstantFP *Op2C = dyn_cast<ConstantFP>(Op2); |