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Diffstat (limited to 'test/Transforms/Reassociate/basictest2.ll')
-rw-r--r-- | test/Transforms/Reassociate/basictest2.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/basictest2.ll b/test/Transforms/Reassociate/basictest2.ll new file mode 100644 index 000000000000..dbde3af35e1b --- /dev/null +++ b/test/Transforms/Reassociate/basictest2.ll @@ -0,0 +1,11 @@ +; With reassociation, constant folding can eliminate the +/- 30 constants. +; +; RUN: llvm-as < %s | opt -reassociate -constprop -instcombine -die | llvm-dis | not grep 30 + +define i32 @test(i32 %reg109, i32 %reg1111) { + %reg115 = add i32 %reg109, -30 ; <i32> [#uses=1] + %reg116 = add i32 %reg115, %reg1111 ; <i32> [#uses=1] + %reg117 = add i32 %reg116, 30 ; <i32> [#uses=1] + ret i32 %reg117 +} + |