13 lines
316 B
LLVM
13 lines
316 B
LLVM
; With shl->mul reassociation, we can see that this is (shl A, 9) * A
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;
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; RUN: opt < %s -reassociate -instcombine -S |\
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; RUN: grep {shl .*, 9}
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define i32 @test(i32 %A, i32 %B) {
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%X = shl i32 %A, 5 ; <i32> [#uses=1]
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%Y = shl i32 %A, 4 ; <i32> [#uses=1]
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%Z = mul i32 %Y, %X ; <i32> [#uses=1]
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ret i32 %Z
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}
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