diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 2df2296c2f2..7c82d6d126d 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -42896,16 +42896,10 @@ static SDValue combineSubToSubus(SDNode *N, SelectionDAG &DAG, } else return SDValue(); - auto USUBSATBuilder = [](SelectionDAG &DAG, const SDLoc &DL, - ArrayRef<SDValue> Ops) { - return DAG.getNode(ISD::USUBSAT, DL, Ops[0].getValueType(), Ops); - }; - // PSUBUS doesn't support v8i32/v8i64/v16i32, but it can be enabled with // special preprocessing in some cases. if (VT != MVT::v8i32 && VT != MVT::v16i32 && VT != MVT::v8i64) - return SplitOpsAndApply(DAG, Subtarget, SDLoc(N), VT, - { SubusLHS, SubusRHS }, USUBSATBuilder); + return DAG.getNode(ISD::USUBSAT, SDLoc(N), VT, SubusLHS, SubusRHS); // Special preprocessing case can be only applied // if the value was zero extended from 16 bit, @@ -42934,9 +42928,9 @@ static SDValue combineSubToSubus(SDNode *N, SelectionDAG &DAG, SDValue NewSubusLHS = DAG.getZExtOrTrunc(SubusLHS, SDLoc(SubusLHS), ShrinkedType); SDValue NewSubusRHS = DAG.getZExtOrTrunc(UMin, SDLoc(SubusRHS), ShrinkedType); - SDValue Psubus = - SplitOpsAndApply(DAG, Subtarget, SDLoc(N), ShrinkedType, - { NewSubusLHS, NewSubusRHS }, USUBSATBuilder); + SDValue Psubus = DAG.getNode(ISD::USUBSAT, SDLoc(N), ShrinkedType, + NewSubusLHS, NewSubusRHS); + // Zero extend the result, it may be used somewhere as 32 bit, // if not zext and following trunc will shrink. return DAG.getZExtOrTrunc(Psubus, SDLoc(N), ExtType); |
