1 files changed, 55 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstrBuilder.h b/llvm/lib/Target/PowerPC/PPCInstrBuilder.h
new file mode 100644
index 00000000000..ab774e25535
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+++ b/llvm/lib/Target/PowerPC/PPCInstrBuilder.h
@@ -0,0 +1,55 @@
+//===-- PowerPCInstrBuilder.h - Aides for building PPC insts ----*- 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 exposes functions that may be used with BuildMI from the
+// MachineInstrBuilder.h file to simplify generating frame and constant pool
+// references.
+//
+// For reference, the order of operands for memory references is:
+// (Operand), Dest Reg, Base Reg, and either Reg Index or Immediate
+// Displacement.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef POWERPC_INSTRBUILDER_H
+#define POWERPC_INSTRBUILDER_H
+
+#include "llvm/CodeGen/MachineInstrBuilder.h"
+
+namespace llvm {
+
+/// addFrameReference - This function is used to add a reference to the base of
+/// an abstract object on the stack frame of the current function.  This
+/// reference has base register as the FrameIndex offset until it is resolved.
+/// This allows a constant offset to be specified as well...
+///
+inline const MachineInstrBuilder&
+addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0,
+                  bool mem = true) {
+  if (mem)
+    return MIB.addSImm(Offset).addFrameIndex(FI);
+  else
+    return MIB.addFrameIndex(FI).addSImm(Offset);
+}
+
+/// addConstantPoolReference - This function is used to add a reference to the
+/// base of a constant value spilled to the per-function constant pool.  The
+/// reference has base register ConstantPoolIndex offset which is retained until
+/// either machine code emission or assembly output.  This allows an optional
+/// offset to be added as well.
+///
+inline const MachineInstrBuilder&
+addConstantPoolReference(const MachineInstrBuilder &MIB, unsigned CPI,
+                         int Offset = 0) {
+  return MIB.addSImm(Offset).addConstantPoolIndex(CPI);
+}
+
+} // End llvm namespace
+
+#endif