From 252030e86b4cd252eadf702356ff3a7951247276 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 3 Sep 2002 20:09:49 +0000
Subject: [PATCH] Implement setcc for booleans.  Fixes bug:
 test/Regression/Transforms/ConstProp/2002-09-03-SetCC-Bools.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3576 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/ConstantFold.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp
index 5115ede9a1f..185468e8786 100644
--- a/lib/VMCore/ConstantFold.cpp
+++ b/lib/VMCore/ConstantFold.cpp
@@ -254,6 +254,10 @@ struct EmptyRules : public TemplateRules<Constant, EmptyRules> {
 //
 struct BoolRules : public TemplateRules<ConstantBool, BoolRules> {
 
+  static ConstantBool *LessThan(const ConstantBool *V1, const ConstantBool *V2){
+    return ConstantBool::get(V1->getValue() < V2->getValue());
+  }
+
   static Constant *And(const ConstantBool *V1, const ConstantBool *V2) {
     return ConstantBool::get(V1->getValue() & V2->getValue());
   }