diff options
| -rw-r--r-- | test/Transforms/Reassociate/subtest.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/subtest.ll b/test/Transforms/Reassociate/subtest.ll new file mode 100644 index 0000000000..9b64966553 --- /dev/null +++ b/test/Transforms/Reassociate/subtest.ll @@ -0,0 +1,13 @@ +; With sub reassociation, constant folding can eliminate the 12 and -12 constants. +; +; RUN: if as < %s | opt -reassociate -constprop -instcombine -die | dis | grep add +; RUN: then exit 1 +; RUN: else exit 0 +; RUN: fi + +int "test"(int %A, int %B) { + %X = add int -12, %A + %Y = sub int %X, %B + %Z = add int %Y, 12 + ret int %Z +} |