From 5dfe3a9c3bd9091f9adecc909665d52bdd4edd8c Mon Sep 17 00:00:00 2001
From: Misha Brukman <brukman+llvm@gmail.com>
Date: Mon, 21 Jun 2004 16:55:25 +0000
Subject: Initial revision

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14283 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/PowerPC/PPCInstrBuilder.h | 53 ++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 lib/Target/PowerPC/PPCInstrBuilder.h

(limited to 'lib/Target/PowerPC/PPCInstrBuilder.h')

diff --git a/lib/Target/PowerPC/PPCInstrBuilder.h b/lib/Target/PowerPC/PPCInstrBuilder.h
new file mode 100644
index 0000000000..704e17c49b
--- /dev/null
+++ b/lib/Target/PowerPC/PPCInstrBuilder.h
@@ -0,0 +1,53 @@
+//===-- PowerPCInstrBuilder.h - Functions to aid 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 PPCINSTRBUILDER_H
+#define PPCINSTRBUILDER_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
-- 
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