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21 lines
429 B
LLVM
21 lines
429 B
LLVM
; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | not grep sub
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; Test that we can turn things like X*-(Y*Z) -> X*-1*Y*Z.
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int %test1(int %a, int %b, int %z) {
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%c = sub int 0, %z
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%d = mul int %a, %b
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%e = mul int %c, %d
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%f = mul int %e, 12345
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%g = sub int 0, %f
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ret int %g
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}
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int %test2(int %a, int %b, int %z) {
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%d = mul int %z, 40
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%c = sub int 0, %d
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%e = mul int %a, %c
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%f = sub int 0, %e
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ret int %f
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}
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