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
diff --git a/test/CodeGen/X86/cmov.ll b/test/CodeGen/X86/cmov.ll
index d96babb..f3c9a7a 100644
--- a/test/CodeGen/X86/cmov.ll
+++ b/test/CodeGen/X86/cmov.ll
@@ -33,6 +33,10 @@
}
+; 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 {