diff options
Diffstat (limited to 'test/Transforms/NaryReassociate/pr24301.ll')
| -rw-r--r-- | test/Transforms/NaryReassociate/pr24301.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/NaryReassociate/pr24301.ll b/test/Transforms/NaryReassociate/pr24301.ll new file mode 100644 index 000000000000..898707831f95 --- /dev/null +++ b/test/Transforms/NaryReassociate/pr24301.ll @@ -0,0 +1,14 @@ +; RUN: opt < %s -nary-reassociate -S | FileCheck %s + +define i32 @foo(i32 %tmp4) { +; CHECK-LABEL: @foo( +entry: + %tmp5 = add i32 %tmp4, 8 + %tmp13 = add i32 %tmp4, -128 ; deleted + %tmp14 = add i32 %tmp13, 8 ; => %tmp5 + -128 + %tmp21 = add i32 119, %tmp4 + ; do not rewrite %tmp23 against %tmp13 because %tmp13 is already deleted + %tmp23 = add i32 %tmp21, -128 +; CHECK: %tmp23 = add i32 %tmp21, -128 + ret i32 %tmp23 +} |