diff options
Diffstat (limited to 'test/Transforms/Reassociate/2002-05-15-SubReassociate.ll')
| -rw-r--r-- | test/Transforms/Reassociate/2002-05-15-SubReassociate.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll b/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll new file mode 100644 index 0000000..c18af5e --- /dev/null +++ b/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll @@ -0,0 +1,12 @@ +; With sub reassociation, constant folding can eliminate all of the constants. +; +; RUN: opt < %s -reassociate -constprop -instcombine -dce -S | not grep add + +define i32 @test(i32 %A, i32 %B) { + %W = add i32 5, %B ; <i32> [#uses=1] + %X = add i32 -7, %A ; <i32> [#uses=1] + %Y = sub i32 %X, %W ; <i32> [#uses=1] + %Z = add i32 %Y, 12 ; <i32> [#uses=1] + ret i32 %Z +} + |