diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h index 2f7b8ba6e69..66a9107f945 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.h +++ b/llvm/lib/Target/X86/X86ISelLowering.h @@ -323,21 +323,27 @@ namespace llvm { /// specifies a shuffle of elements that is suitable for input to MOVDDUP. bool isMOVDDUPMask(ShuffleVectorSDNode *N); + /// isPALIGNRMask - Return true if the specified VECTOR_SHUFFLE operand + /// specifies a shuffle of elements that is suitable for input to PALIGNR. + bool isPALIGNRMask(ShuffleVectorSDNode *N); + /// getShuffleSHUFImmediate - Return the appropriate immediate to shuffle /// the specified isShuffleMask VECTOR_SHUFFLE mask with PSHUF* and SHUFP* /// instructions. unsigned getShuffleSHUFImmediate(SDNode *N); /// getShufflePSHUFHWImmediate - Return the appropriate immediate to shuffle - /// the specified isShuffleMask VECTOR_SHUFFLE mask with PSHUFHW - /// instructions. + /// the specified VECTOR_SHUFFLE mask with PSHUFHW instruction. unsigned getShufflePSHUFHWImmediate(SDNode *N); - /// getShufflePSHUFKWImmediate - Return the appropriate immediate to shuffle - /// the specified isShuffleMask VECTOR_SHUFFLE mask with PSHUFLW - /// instructions. + /// getShufflePSHUFLWImmediate - Return the appropriate immediate to shuffle + /// the specified VECTOR_SHUFFLE mask with PSHUFLW instruction. unsigned getShufflePSHUFLWImmediate(SDNode *N); + /// getShufflePALIGNRImmediate - Return the appropriate immediate to shuffle + /// the specified VECTOR_SHUFFLE mask with the PALIGNR instruction. + unsigned getShufflePALIGNRImmediate(SDNode *N); + /// isZeroNode - Returns true if Elt is a constant zero or a floating point /// constant +0.0. bool isZeroNode(SDValue Elt); |
