diff options
Diffstat (limited to 'llvm/lib/Target/SystemZ/SystemZISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZISelLowering.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp index abb70e0c152..e6cd53f9c4e 100644 --- a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp +++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp @@ -6053,12 +6053,10 @@ SystemZTargetLowering::computeKnownBitsForTargetNode(const SDValue Op, case Intrinsic::s390_vuplhw: case Intrinsic::s390_vuplf: { SDValue SrcOp = Op.getOperand(1); - unsigned SrcBitWidth = SrcOp.getScalarValueSizeInBits(); APInt SrcDemE = getDemandedSrcElements(Op, DemandedElts, 0); Known = DAG.computeKnownBits(SrcOp, SrcDemE, Depth + 1); if (IsLogical) { - Known = Known.zext(BitWidth); - Known.Zero.setBitsFrom(SrcBitWidth); + Known = Known.zext(BitWidth, true); } else Known = Known.sext(BitWidth); break; @@ -6087,7 +6085,7 @@ SystemZTargetLowering::computeKnownBitsForTargetNode(const SDValue Op, // Known has the width of the source operand(s). Adjust if needed to match // the passed bitwidth. if (Known.getBitWidth() != BitWidth) - Known = Known.zextOrTrunc(BitWidth); + Known = Known.zextOrTrunc(BitWidth, false); } static unsigned computeNumSignBitsBinOp(SDValue Op, const APInt &DemandedElts, |
