[x86] Fix a few more tiny patterns with the new vector shuffle lowering

[oota-llvm.git] / lib / Target / X86 / Utils / X86ShuffleDecode.h

diff --git a/lib/Target/X86/Utils/X86ShuffleDecode.h b/lib/Target/X86/Utils/X86ShuffleDecode.h
index 911e7047ee6586f8bd87c8ae43418da1d871cb5a..af26d0a509b618dccad61ec6eef0984f68dcfa5d 100644 (file)
--- a/lib/Target/X86/Utils/X86ShuffleDecode.h
+++ b/lib/Target/X86/Utils/X86ShuffleDecode.h
@@ -23,12 +23,10 @@
 //===----------------------------------------------------------------------===//
 
 namespace llvm {
-class ConstantDataSequential;
+class Constant;
 class MVT;
 
-enum {
-  SM_SentinelZero = -1
-};
+enum { SM_SentinelUndef = -1, SM_SentinelZero = -2 };
 
 void DecodeINSERTPSMask(unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
 
@@ -38,6 +36,10 @@ void DecodeMOVHLPSMask(unsigned NElts, SmallVectorImpl<int> &ShuffleMask);
 // <0,2> or <0,1,4,5>
 void DecodeMOVLHPSMask(unsigned NElts, SmallVectorImpl<int> &ShuffleMask);
 
+void DecodeMOVSLDUPMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
+
+void DecodeMOVSHDUPMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
+
 void DecodePALIGNRMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
 
 void DecodePSHUFMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
@@ -62,8 +64,7 @@ void DecodeUNPCKHMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
 void DecodeUNPCKLMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
 
 /// \brief Decode a PSHUFB mask from an IR-level vector constant.
-void DecodePSHUFBMask(const ConstantDataSequential *C,
-                      SmallVectorImpl<int> &ShuffleMask);
+void DecodePSHUFBMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask);
 
 /// \brief Decode a PSHUFB mask from a raw array of constants such as from
 /// BUILD_VECTOR.
@@ -80,6 +81,9 @@ void DecodeVPERM2X128Mask(MVT VT, unsigned Imm,
 /// No VT provided since it only works on 256-bit, 4 element vectors.
 void DecodeVPERMMask(unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
 
+/// \brief Decode a VPERMILP variable mask from an IR-level vector constant.
+void DecodeVPERMILPMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask);
+
 } // llvm namespace
 
 #endif