New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21808 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/and.ll b/test/Transforms/InstCombine/and.ll
index 81cd325c3f4792b44c68e7a4eabb192451e255b3..dce91d7038be29e4d744f6c585e259aa428c652f 100644 (file)
--- a/test/Transforms/InstCombine/and.ll
+++ b/test/Transforms/InstCombine/and.ll
@@ -211,3 +211,12 @@ uint %test32(uint %In) {
        %A = and uint %Z, 1
        ret uint %A
 }
+
+uint %test33(uint %b) {   ;; Code corresponding to one-bit bitfield ^1.
+        %tmp.4.mask = and uint %b, 1
+        %tmp.10 = xor uint %tmp.4.mask, 1
+        %tmp.12 = and uint %b, 4294967294
+        %tmp.13 = or uint %tmp.12, %tmp.10
+        ret uint %tmp.13
+}
+