diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index 26ec3383d22..bdd1a58171e 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -2070,17 +2070,12 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { case Intrinsic::rint: case Intrinsic::trunc: { Value *ExtSrc; - if (match(II->getArgOperand(0), m_FPExt(m_Value(ExtSrc))) && - II->getArgOperand(0)->hasOneUse()) { - // fabs (fpext x) -> fpext (fabs x) - Value *F = Intrinsic::getDeclaration(II->getModule(), II->getIntrinsicID(), - { ExtSrc->getType() }); - CallInst *NewFabs = Builder.CreateCall(F, ExtSrc); - NewFabs->copyFastMathFlags(II); - NewFabs->takeName(II); - return new FPExtInst(NewFabs, II->getType()); + if (match(II->getArgOperand(0), m_OneUse(m_FPExt(m_Value(ExtSrc))))) { + // Narrow the call: intrinsic (fpext x) -> fpext (intrinsic x) + Value *NarrowII = Builder.CreateIntrinsic(II->getIntrinsicID(), + { ExtSrc }, II); + return new FPExtInst(NarrowII, II->getType()); } - break; } case Intrinsic::cos: |
