From 872bb3681009ab31965228305bc0452e84569355 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Thu, 27 Jun 2013 11:07:42 +0000
Subject: [PATCH] Don't cast away constness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185071 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86ISelDAGToDAG.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 39b205ef770..b07928150f3 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -500,7 +500,8 @@ void X86DAGToDAGISel::PreprocessISelDAG() {
 
     // If the source and destination are SSE registers, then this is a legal
     // conversion that should not be lowered.
-    X86TargetLowering *X86Lowering = (X86TargetLowering*)getTargetLowering();
+    const X86TargetLowering *X86Lowering =
+        static_cast<const X86TargetLowering *>(getTargetLowering());
     bool SrcIsSSE = X86Lowering->isScalarFPTypeInSSEReg(SrcVT);
     bool DstIsSSE = X86Lowering->isScalarFPTypeInSSEReg(DstVT);
     if (SrcIsSSE && DstIsSSE)