From 230c1a7222aa0c975120cf03a612117fe471fb78 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 12 Mar 2004 05:54:31 +0000
Subject: [PATCH] Add support for checking the select instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12325 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/Verifier.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp
index bf530a4b1a9..dfac6b94cf3 100644
--- a/lib/VMCore/Verifier.cpp
+++ b/lib/VMCore/Verifier.cpp
@@ -144,6 +144,7 @@ namespace {  // Anonymous namespace for class
     void visitInstruction(Instruction &I);
     void visitTerminatorInst(TerminatorInst &I);
     void visitReturnInst(ReturnInst &RI);
+    void visitSelectInst(SelectInst &SI);
     void visitUserOp1(Instruction &I);
     void visitUserOp2(Instruction &I) { visitUserOp1(I); }
     void visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI);
@@ -335,6 +336,16 @@ void Verifier::visitReturnInst(ReturnInst &RI) {
   visitTerminatorInst(RI);
 }
 
+void Verifier::visitSelectInst(SelectInst &SI) {
+  Assert1(SI.getCondition()->getType() == Type::BoolTy,
+          "Select condition type must be bool!", &SI);
+  Assert1(SI.getTrueValue()->getType() == SI.getFalseValue()->getType(),
+          "Select values must have identical types!", &SI);
+  Assert1(SI.getTrueValue()->getType() == SI.getType(),
+          "Select values must have same type as select instruction!", &SI);
+}
+
+
 /// visitUserOp1 - User defined operators shouldn't live beyond the lifetime of
 /// a pass, if any exist, it's an error.
 ///