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11 lines
315 B
LLVM
11 lines
315 B
LLVM
; With reassociation, constant folding can eliminate the 12 and -12 constants.
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;
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; RUN: llvm-as < %s | opt -reassociate -constprop -instcombine -die | llvm-dis | not grep add
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define i32 @test(i32 %arg) {
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%tmp1 = sub i32 -12, %arg ; <i32> [#uses=1]
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%tmp2 = add i32 %tmp1, 12 ; <i32> [#uses=1]
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ret i32 %tmp2
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}
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