1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; Example input for update_test_checks (taken from test/Transforms/InstSimplify/add.ll)
3 ; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
5 define i32 @common_sub_operand(i32 %X, i32 %Y) {
6 ; CHECK-LABEL: @common_sub_operand(
7 ; CHECK-NEXT: ret i32 [[X:%.*]]
14 define i32 @negated_operand(i32 %x) {
15 ; CHECK-LABEL: @negated_operand(
16 ; CHECK-NEXT: ret i32 0
19 %r = add i32 %negx, %x
23 define <2 x i32> @negated_operand_commute_vec(<2 x i32> %x) {
24 ; CHECK-LABEL: @negated_operand_commute_vec(
25 ; CHECK-NEXT: ret <2 x i32> zeroinitializer
27 %negx = sub <2 x i32> zeroinitializer, %x
28 %r = add <2 x i32> %x, %negx
32 define i8 @knownnegation(i8 %x, i8 %y) {
33 ; CHECK-LABEL: @knownnegation(
34 ; CHECK-NEXT: ret i8 0
42 define <2 x i8> @knownnegation_commute_vec(<2 x i8> %x, <2 x i8> %y) {
43 ; CHECK-LABEL: @knownnegation_commute_vec(
44 ; CHECK-NEXT: ret <2 x i8> zeroinitializer
46 %xy = sub <2 x i8> %x, %y
47 %yx = sub <2 x i8> %y, %x
48 %r = add <2 x i8> %yx, %xy
52 define i32 @nameless_value(i32 %X) {
53 ; CHECK-LABEL: @nameless_value(
54 ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 42, [[X:%.*]]
55 ; CHECK-NEXT: ret i32 [[TMP1]]