From 101ea66813cab4f5fce7313cbf13d3ccc089053c Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 8 Apr 2006 04:13:17 +0000
Subject: add a sanity check: LegalizeOp should return a value that is the same
 type as its input.

llvm-svn: 27528
---
 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'llvm/lib')

diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index ed6cdb3417f..7549569636a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -2688,6 +2688,9 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
   }
   }
   
+  assert(Result.getValueType() == Op.getValueType() &&
+         "Bad legalization!");
+  
   // Make sure that the generated code is itself legal.
   if (Result != Op)
     Result = LegalizeOp(Result);
-- 
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