Don't use a potentially expensive shift if all we want is one set bit.

[oota-llvm.git] / lib / Target / R600 / SIInstrInfo.h

diff --git a/lib/Target/R600/SIInstrInfo.h b/lib/Target/R600/SIInstrInfo.h
index a65f7b6b52b1e200931ae7b9cef15ba1ba707e5c..87eff4d6c95c9d9f9867e2b2903ba6ac449001d7 100644 (file)
--- a/lib/Target/R600/SIInstrInfo.h
+++ b/lib/Target/R600/SIInstrInfo.h
@@ -35,6 +35,11 @@ public:
                            unsigned DestReg, unsigned SrcReg,
                            bool KillSrc) const;
 
+  unsigned commuteOpcode(unsigned Opcode) const;
+
+  virtual MachineInstr *commuteInstruction(MachineInstr *MI,
+                                           bool NewMI=false) const;
+
   virtual MachineInstr * getMovImmInstr(MachineFunction *MF, unsigned DstReg,
                                         int64_t Imm) const;
 
@@ -70,6 +75,15 @@ public:
   virtual const TargetRegisterClass *getSuperIndirectRegClass() const;
   };
 
+namespace AMDGPU {
+
+  int getVOPe64(uint16_t Opcode);
+  int getCommuteRev(uint16_t Opcode);
+  int getCommuteOrig(uint16_t Opcode);
+  int isMIMG(uint16_t Opcode);
+
+} // End namespace AMDGPU
+
 } // End namespace llvm
 
 namespace SIInstrFlags {