From: Chris Lattner <sabre@nondot.org>
Date: Sat, 8 Apr 2006 04:13:17 +0000 (+0000)
Subject: add a sanity check: LegalizeOp should return a value that is the same type
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4ddd283f6928fc337c1bf3277566d7b31526e8d9;p=oota-llvm.git

add a sanity check: LegalizeOp should return a value that is the same type
as its input.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27528 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index ed6cdb3417f..7549569636a 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/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);