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-rw-r--r--lib/Transforms/IPO/SimplifyLibCalls.cpp6
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp
index 01d3c9f..717a5a8 100644
--- a/lib/Transforms/IPO/SimplifyLibCalls.cpp
+++ b/lib/Transforms/IPO/SimplifyLibCalls.cpp
@@ -1115,17 +1115,15 @@ public:
/// @brief Perform the pow optimization.
virtual bool OptimizeCall(CallInst *ci, SimplifyLibCalls &SLC) {
const Type *Ty = cast<Function>(ci->getOperand(0))->getReturnType();
+ if (Ty!=Type::FloatTy && Ty!=Type::DoubleTy)
+ return false; // FIXME long double not yet supported
Value* base = ci->getOperand(1);
Value* expn = ci->getOperand(2);
if (ConstantFP *Op1 = dyn_cast<ConstantFP>(base)) {
- if (Ty!=Type::FloatTy && Ty!=Type::DoubleTy)
- return false; // FIXME long double not yet supported
if (Op1->isExactlyValue(1.0)) // pow(1.0,x) -> 1.0
return ReplaceCallWith(ci, ConstantFP::get(Ty,
Ty==Type::FloatTy ? APFloat(1.0f) : APFloat(1.0)));
} else if (ConstantFP* Op2 = dyn_cast<ConstantFP>(expn)) {
- if (Ty!=Type::FloatTy && Ty!=Type::DoubleTy)
- return false; // FIXME long double not yet supported
if (Op2->getValueAPF().isZero()) {
// pow(x,0.0) -> 1.0
return ReplaceCallWith(ci, ConstantFP::get(Ty,