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14 lines
421 B
LLVM
14 lines
421 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; CHECK-NOT: add
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define i32 @test(i32 %A) {
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%A.neg = sub i32 0, %A ; <i32> [#uses=1]
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%.neg = sub i32 0, 1 ; <i32> [#uses=1]
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%X = add i32 %.neg, 1 ; <i32> [#uses=1]
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%Y.neg.ra = add i32 %A, %X ; <i32> [#uses=1]
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%r = add i32 %A.neg, %Y.neg.ra ; <i32> [#uses=1]
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ret i32 %r
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}
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