diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index b520f0ac905..9a713d417b8 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -34294,7 +34294,7 @@ static bool isSATValidOnAVX512Subtarget(EVT SrcVT, EVT DstVT, return false; } -/// Detect a pattern of truncation with saturation: +/// Detect a pattern of truncation with unsigned saturation: /// (truncate (umin (x, unsigned_max_of_dest_type)) to dest_type). /// Return the source value to be truncated or SDValue() if the pattern was not /// matched. @@ -34302,16 +34302,15 @@ static SDValue detectUSatPattern(SDValue In, EVT VT) { if (In.getOpcode() != ISD::UMIN) return SDValue(); - //Saturation with truncation. We truncate from InVT to VT. + // Saturation with truncation. We truncate from InVT to VT. assert(In.getScalarValueSizeInBits() > VT.getScalarSizeInBits() && - "Unexpected types for truncate operation"); + "Unexpected types for truncate operation"); APInt C; if (ISD::isConstantSplatVector(In.getOperand(1).getNode(), C)) { // C should be equal to UINT32_MAX / UINT16_MAX / UINT8_MAX according // the element size of the destination type. - return C.isMask(VT.getScalarSizeInBits()) ? In.getOperand(0) : - SDValue(); + return C.isMask(VT.getScalarSizeInBits()) ? In.getOperand(0) : SDValue(); } return SDValue(); } |
