PowerPC 32-/64-bit split: Part I, PPC32* bit files, adapted from former PowerPC*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15850 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h
new file mode 100644
index 0000000..17ef803
--- /dev/null
+++ b/lib/Target/PowerPC/PPCInstrInfo.h
@@ -0,0 +1,56 @@
+//===- PPC32InstrInfo.h - PowerPC32 Instruction Information -----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the PowerPC implementation of the TargetInstrInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef POWERPC32_INSTRUCTIONINFO_H
+#define POWERPC32_INSTRUCTIONINFO_H
+
+#include "PowerPCInstrInfo.h"
+#include "PPC32RegisterInfo.h"
+
+namespace llvm {
+
+class PPC32InstrInfo : public TargetInstrInfo {
+ const PPC32RegisterInfo RI;
+public:
+ PPC32InstrInfo();
+
+ /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
+ /// such, whenever a client has an instance of instruction info, it should
+ /// always be able to get register info as well (through this method).
+ ///
+ virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
+
+ //
+ // Return true if the instruction is a register to register move and
+ // leave the source and dest operands in the passed parameters.
+ //
+ virtual bool isMoveInstr(const MachineInstr& MI,
+ unsigned& sourceReg,
+ unsigned& destReg) const;
+
+ static unsigned invertPPCBranchOpcode(unsigned Opcode) {
+ switch (Opcode) {
+ default: assert(0 && "Unknown PPC branch opcode!");
+ case PPC::BEQ: return PPC::BNE;
+ case PPC::BNE: return PPC::BEQ;
+ case PPC::BLT: return PPC::BGE;
+ case PPC::BGE: return PPC::BLT;
+ case PPC::BGT: return PPC::BLE;
+ case PPC::BLE: return PPC::BGT;
+ }
+ }
+};
+
+}
+
+#endif