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-rw-r--r--test/Transforms/InstCombine/add.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/add.ll b/test/Transforms/InstCombine/add.ll
index 7dcb2aef28..70d3e32033 100644
--- a/test/Transforms/InstCombine/add.ll
+++ b/test/Transforms/InstCombine/add.ll
@@ -105,3 +105,14 @@ ubyte %test16(ubyte %A) {
ret ubyte %C
}
+int %test17(int %A) {
+ %B = xor int %A, -1
+ %C = add int %B, 1 ; == sub int 0, %A
+ ret int %C
+}
+
+ubyte %test18(ubyte %A) {
+ %B = xor ubyte %A, 255
+ %C = add ubyte %B, 17 ; == sub ubyte 16, %A
+ ret ubyte %C
+}