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20 lines
361 B
LLVM
20 lines
361 B
LLVM
; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
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define i32 @f(i32 %a, i32 %b) {
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; CHECK: @f
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; CHECK: mul
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; CHECK: mul
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; CHECK-NOT: mul
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; CHECK: ret
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entry:
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%tmp.2 = mul i32 %a, %a
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%tmp.5 = shl i32 %a, 1
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%tmp.6 = mul i32 %tmp.5, %b
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%tmp.10 = mul i32 %b, %b
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%tmp.7 = add i32 %tmp.6, %tmp.2
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%tmp.11 = add i32 %tmp.7, %tmp.10
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ret i32 %tmp.11
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}
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