xref: /llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/combine-commute-const-infinite-loop.mir (revision a1b2f0cc447736c27ad3899bb0b17704b79e4876) 
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
2# RUN: llc -mtriple aarch64 -run-pass=aarch64-prelegalizer-combiner %s -o - \
3# RUN:     --aarch64prelegalizercombiner-disable-rule=constant_fold_binop | FileCheck %s
4# REQUIRES: asserts
5
6# `constant_fold_binop` is disabled to trigger the infinite loop in `commute_int_constant_to_rhs`.
7
8---
9name:            add
10tracksRegLiveness: true
11body:             |
12  bb.0:
13    liveins: $s0
14
15    ; CHECK-LABEL: name: add
16    ; CHECK: liveins: $s0
17    ; CHECK-NEXT: {{  $}}
18    ; CHECK-NEXT: %c0:_(s32) = G_CONSTANT i32 1
19    ; CHECK-NEXT: %c1:_(s32) = G_CONSTANT i32 2
20    ; CHECK-NEXT: %add:_(s32) = G_ADD %c0, %c1
21    ; CHECK-NEXT: $s0 = COPY %add(s32)
22    ; CHECK-NEXT: RET_ReallyLR
23    %c0:_(s32) = G_CONSTANT i32 1
24    %c1:_(s32) = G_CONSTANT i32 2
25    %add:_(s32) = G_ADD %c0, %c1
26    $s0 = COPY %add
27    RET_ReallyLR
28
29...
30