From a5f4dbf111d722b4912022a5eee0306307b79fb4 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 15 Sep 2009 15:09:54 +0000
Subject: [PATCH] Restore a comment that was lost in the merge.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81857 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/cmov.ll | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/CodeGen/X86/cmov.ll b/test/CodeGen/X86/cmov.ll
index d96babb4473..f3c9a7addf8 100644
--- a/test/CodeGen/X86/cmov.ll
+++ b/test/CodeGen/X86/cmov.ll
@@ -33,6 +33,10 @@ entry:
 }
 
 
+; x86's 32-bit cmov doesn't clobber the high 32 bits of the destination
+; if the condition is false. An explicit zero-extend (movl) is needed
+; after the cmov.
+
 declare void @bar(i64) nounwind
 
 define void @test3(i64 %a, i64 %b, i1 %p) nounwind {