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-rw-r--r--test/Transforms/InstCombine/sub.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/sub.ll b/test/Transforms/InstCombine/sub.ll
index fbec5e8a38..bbdf0b3787 100644
--- a/test/Transforms/InstCombine/sub.ll
+++ b/test/Transforms/InstCombine/sub.ll
@@ -23,3 +23,15 @@ int "test3"(int %A) {
%C = sub int 0, %B ; C = -B = A
ret int %C
}
+
+int "test4"(int %A, int %x) {
+ %B = sub int 0, %A
+ %C = sub int %x, %B
+ ret int %C
+}
+
+int "test5"(int %A, int %B, int %C) {
+ %D = sub int %B, %C
+ %E = sub int %A, %D
+ ret int %E
+}