[llvm] r238515 - Add testcase for r238503.

[David Majnemer]

Author: majnemer
Date: Thu May 28 17:12:27 2015
New Revision: 238515

URL: http://llvm.org/viewvc/llvm-project?rev=238515&view=rev
Log:
Add testcase for r238503.

Added:
    llvm/trunk/test/CodeGen/X86/pr23664.ll

Added: llvm/trunk/test/CodeGen/X86/pr23664.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/pr23664.ll?rev=238515&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/pr23664.ll (added)
+++ llvm/trunk/test/CodeGen/X86/pr23664.ll Thu May 28 17:12:27 2015
@@ -0,0 +1,14 @@
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
+
+define i2 @f(i32 %arg) {
+  %trunc = trunc i32 %arg to i1
+  %sext = sext i1 %trunc to i2
+  %or = or i2 %sext, 1
+  ret i2 %or
+
+; CHECK-LABEL: f:
+; CHECK:      addb    %dil, %dil
+; CHECK-NEXT: orb     $1, %dil
+; CHECK-NEXT: movb    %dil, %al
+; CHECK-NEXT: retq
+}