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-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.cpp20
1 files changed, 10 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 656c1dea1f7..d8ffc36891d 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -22479,22 +22479,22 @@ static SDValue PerformSELECTCombine(SDNode *N, SelectionDAG &DAG,
return DAG.getNode(Opc, DL, VT, LHS, RHS);
}
- // Simplify vector selection if the selector will be produced by CMPP*/PCMP*.
- if (N->getOpcode() == ISD::VSELECT && Cond.getOpcode() == ISD::SETCC &&
- // Check if SETCC has already been promoted
- TLI.getSetCCResultType(*DAG.getContext(), VT) == CondVT &&
- // Check that condition value type matches vselect operand type
- CondVT == VT) {
-
+ // Simplify vector selection if condition value type matches vselect
+ // operand type
+ if (N->getOpcode() == ISD::VSELECT && CondVT == VT) {
assert(Cond.getValueType().isVector() &&
"vector select expects a vector selector!");
bool TValIsAllOnes = ISD::isBuildVectorAllOnes(LHS.getNode());
bool FValIsAllZeros = ISD::isBuildVectorAllZeros(RHS.getNode());
- if (!TValIsAllOnes && !FValIsAllZeros) {
- // Try invert the condition if true value is not all 1s and false value
- // is not all 0s.
+ // Try invert the condition if true value is not all 1s and false value
+ // is not all 0s.
+ if (!TValIsAllOnes && !FValIsAllZeros &&
+ // Check if the selector will be produced by CMPP*/PCMP*
+ Cond.getOpcode() == ISD::SETCC &&
+ // Check if SETCC has already been promoted
+ TLI.getSetCCResultType(*DAG.getContext(), VT) == CondVT) {
bool TValIsAllZeros = ISD::isBuildVectorAllZeros(LHS.getNode());
bool FValIsAllOnes = ISD::isBuildVectorAllOnes(RHS.getNode());
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