1 ; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s 2 3 ; Test that we can turn things like A*B + X - A*B -> X. 4 5 define i32 @test1(i32 %a, i32 %b, i32 %x) { 6 ; CHECK-LABEL: test1 7 ; CHECK: ret i32 %x 8 9 %c = mul i32 %a, %b 10 %d = add i32 %c, %x 11 %c1 = mul i32 %a, %b 12 %f = sub i32 %d, %c1 13 ret i32 %f 14 } 15 16