1 ; Instcombine was missing a test that caused it to make illegal transformations
2 ; sometimes. In this case, it transforms the sub into an add:
3 ; RUN: opt < %s -instcombine -S | FileCheck %s
4 ; CHECK: sub
6 define i32 @test(i32 %i, i32 %j) {
7 %A = mul i32 %i, %j
8 %B = sub i32 2, %A
9 ret i32 %B
10 }