This is missed by InstCombine, patch comming

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24157 91177308-0d34-0410-b5e6-96231b3b80d8
2024-12-12 06:06:19 +00:00 · 2005-11-02 18:34:05 +00:00 · 2005-11-02 18:34:05 +00:00 · e8148bc291
commit e8148bc291
parent bad13eb189
1 changed files with 7 additions and 0 deletions
--- a/test/Transforms/InstCombine/add.ll
+++ b/test/Transforms/InstCombine/add.ll
@ -206,3 +206,10 @@ uint %test29(uint %X, uint %x) {
        %tmp.10 = or uint %tmp.7, %tmp.9                ; <uint> [#uses=1]
 	ret uint %tmp.10
 }
+
+long %test30(long %x) {
+        %tmp.2 = xor long %x, -9223372036854775808
+        ;; Add of sign bit -> xor of sign bit.
+        %tmp.4 = add long %tmp.2, -9223372036854775808
+        ret long %tmp.4
+}