From 0d74debd077cca13b17e9c58e6d8790fa3bd2ac0 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 4 Aug 2003 21:07:37 +0000
Subject: [PATCH] Allow instructions to have a DAG pattern associated with
 them. Define a few preliminary node types.

llvm-svn: 7579
---
 llvm/lib/Target/Target.td | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/llvm/lib/Target/Target.td b/llvm/lib/Target/Target.td
index bb0e525bb676..0cdebcd7cd5c 100644
--- a/llvm/lib/Target/Target.td
+++ b/llvm/lib/Target/Target.td
@@ -103,6 +103,10 @@ class Instruction {
   bit isCall       = 0;     // Is this instruction a call instruction?
   bit isTwoAddress = 0;     // Is this a two address instruction?
   bit isTerminator = 0;     // Is this part of the terminator for a basic block?
+
+  // Pattern - Set to the DAG pattern for this instruction, if we know of one,
+  // otherwise, uninitialized.
+  dag Pattern;
 }
 
 // InstrInfo - This class should only be instantiated once to provide parameters
@@ -135,3 +139,19 @@ class Target {
   // InstructionSet - Instruction set description for this target
   InstrInfo InstructionSet;
 }
+
+
+//===----------------------------------------------------------------------===//
+// DAG node definitions used by the instruction selector...
+//
+def set;    // FIXME: these are subject to substantial change
+def plus;
+def minus;
+def mult;
+def div;
+def udiv;
+def mod;
+def umod;
+def imm8;
+def imm16;
+def imm32;