diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 7049a6877a8..7feb7ba6037 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -39617,11 +39617,12 @@ static SDValue combineStore(SDNode *N, SelectionDAG &DAG, // Check if we can detect an AVG pattern from the truncation. If yes, // replace the trunc store by a normal store with the result of X86ISD::AVG // instruction. - if (SDValue Avg = detectAVGPattern(St->getValue(), St->getMemoryVT(), DAG, - Subtarget, dl)) - return DAG.getStore(St->getChain(), dl, Avg, St->getBasePtr(), - St->getPointerInfo(), St->getAlignment(), - St->getMemOperand()->getFlags()); + if (DCI.isBeforeLegalize() || TLI.isTypeLegal(St->getMemoryVT())) + if (SDValue Avg = detectAVGPattern(St->getValue(), St->getMemoryVT(), DAG, + Subtarget, dl)) + return DAG.getStore(St->getChain(), dl, Avg, St->getBasePtr(), + St->getPointerInfo(), St->getAlignment(), + St->getMemOperand()->getFlags()); if (TLI.isTruncStoreLegal(VT, StVT)) { if (SDValue Val = detectSSatPattern(St->getValue(), St->getMemoryVT())) |
