blob: 34b943cf496deaac6328d2bd20c7a1c428b73121 [file] [log] [blame] [edit]
; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
; Test that we can turn things like A*B + X - A*B -> X.
define i32 @test1(i32 %a, i32 %b, i32 %x) {
; CHECK-LABEL: test1
; CHECK: ret i32 %x
%c = mul i32 %a, %b
%d = add i32 %c, %x
%c1 = mul i32 %a, %b
%f = sub i32 %d, %c1
ret i32 %f
}