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15 lines
463 B
LLVM
15 lines
463 B
LLVM
; RUN: opt < %s -reassociate -instcombine -S | grep mul | count 2
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; This should have exactly 2 multiplies when we're done.
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define i32 @f(i32 %a, i32 %b) {
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%tmp.2 = mul i32 %a, %a ; <i32> [#uses=1]
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%tmp.5 = shl i32 %a, 1 ; <i32> [#uses=1]
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%tmp.6 = mul i32 %tmp.5, %b ; <i32> [#uses=1]
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%tmp.10 = mul i32 %b, %b ; <i32> [#uses=1]
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%tmp.7 = add i32 %tmp.6, %tmp.2 ; <i32> [#uses=1]
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%tmp.11 = add i32 %tmp.7, %tmp.10 ; <i32> [#uses=1]
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ret i32 %tmp.11
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}
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