Subzero. X86. Uses pshufb for shufflevector lowering.

src/IceTargetLoweringX86Base.h

 //===- subzero/src/IceTargetLoweringX86Base.h - x86 lowering ----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 787 matching lines @@
     Context.insert<typename Traits::Insts::Pop>(Dest);
   }
   void _por(Variable *Dest, Operand *Src0) {
     AutoMemorySandboxer<> _(this, &Dest, &Src0);
     Context.insert<typename Traits::Insts::Por>(Dest, Src0);
   }
   void _punpckl(Variable *Dest, Operand *Src0) {
     AutoMemorySandboxer<> _(this, &Dest, &Src0);
     Context.insert<typename Traits::Insts::Punpckl>(Dest, Src0);
   }
+  void _pshufb(Variable *Dest, Operand *Src0) {
+    AutoMemorySandboxer<> _(this, &Dest, &Src0);
+    Context.insert<typename Traits::Insts::Pshufb>(Dest, Src0);
+  }
   void _pshufd(Variable *Dest, Operand *Src0, Operand *Src1) {
     AutoMemorySandboxer<> _(this, &Dest, &Src0, &Src1);
     Context.insert<typename Traits::Insts::Pshufd>(Dest, Src0, Src1);
   }
   void _psll(Variable *Dest, Operand *Src0) {
     AutoMemorySandboxer<> _(this, &Dest, &Src0);
     Context.insert<typename Traits::Insts::Psll>(Dest, Src0);
   }
   void _psra(Variable *Dest, Operand *Src0) {
     AutoMemorySandboxer<> _(this, &Dest, &Src0);
@@ skipping 276 matching lines @@
   static constexpr SizeT IGNORE_INDEX = 0x80000000u;
   Variable *lowerShuffleVector_TwoFromSameSrc(Variable *Src0, SizeT Index0,
                                               SizeT Index1, Variable *Src1,
                                               SizeT Index2, SizeT Index3);
   static constexpr SizeT UNIFIED_INDEX_0 = 0;
   static constexpr SizeT UNIFIED_INDEX_1 = 2;
   Variable *lowerShuffleVector_UnifyFromDifferentSrcs(Variable *Src0,
                                                       SizeT Index0,
                                                       Variable *Src1,
                                                       SizeT Index1);
+  static constexpr SizeT CLEAR_ALL_BITS = 0x80;
+  SizeT PshufbMaskCount = 0;
+  GlobalString lowerShuffleVector_NewMaskName();
+  ConstantRelocatable *lowerShuffleVector_CreatePshufbMask(
+      int8_t Idx0, int8_t Idx1, int8_t Idx2, int8_t Idx3, int8_t Idx4,
+      int8_t Idx5, int8_t Idx6, int8_t Idx7, int8_t Idx8, int8_t Idx9,
+      int8_t Idx10, int8_t Idx11, int8_t Idx12, int8_t Idx13, int8_t Idx14,
+      int8_t Idx15);
+  void lowerShuffleVector_UsingPshufb(Variable *Dest, Operand *Src0,
+                                      Operand *Src1, int8_t Idx0, int8_t Idx1,
+                                      int8_t Idx2, int8_t Idx3, int8_t Idx4,
+                                      int8_t Idx5, int8_t Idx6, int8_t Idx7,
+                                      int8_t Idx8, int8_t Idx9, int8_t Idx10,
+                                      int8_t Idx11, int8_t Idx12, int8_t Idx13,
+                                      int8_t Idx14, int8_t Idx15);
   /// @}
 
   static FixupKind PcRelFixup;
   static FixupKind AbsFixup;
 };
 
 template <typename TraitsType>
 class TargetDataX86 final : public TargetDataLowering {
   using Traits = TraitsType;
   TargetDataX86() = delete;
@@ skipping 36 matching lines @@
 
   explicit TargetHeaderX86(GlobalContext *Ctx) : TargetHeaderLowering(Ctx) {}
 };
 
 } // end of namespace X86NAMESPACE
 } // end of namespace Ice
 
 #include "IceTargetLoweringX86BaseImpl.h"
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGX86BASE_H