xref: /llvm-project/llvm/test/CodeGen/ARM/cmpxchg.mir (revision 9cf68679c4f45e79d67c94ef1f968c7c1213b610) 
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -o - %s -mtriple=armv7-unknown-linux-gnu -verify-machineinstrs -run-pass=arm-pseudo | FileCheck %s
3# RUN: llc -o - %s -mtriple=armv7eb-unknown-linux-gnu -verify-machineinstrs -run-pass=arm-pseudo | FileCheck %s
4---
5name: func
6tracksRegLiveness: true
7body: |
8  bb.0:
9    liveins: $r0_r1, $r4_r5, $r3, $lr
10    ; CHECK-LABEL: name: func
11    ; CHECK: successors: %bb.1(0x80000000)
12    ; CHECK-NEXT: liveins: $r0_r1, $r4_r5, $r3, $lr
13    ; CHECK-NEXT: {{  $}}
14    ; CHECK-NEXT: .1:
15    ; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000)
16    ; CHECK-NEXT: liveins: $r4_r5, $r2
17    ; CHECK-NEXT: {{  $}}
18    ; CHECK-NEXT: $r0_r1 = LDREXD $r2, 14 /* CC::al */, $noreg
19    ; CHECK-NEXT: CMPrr killed $r0, $r4, 14 /* CC::al */, $noreg, implicit-def $cpsr
20    ; CHECK-NEXT: CMPrr killed $r1, $r5, 0 /* CC::eq */, killed $cpsr, implicit-def $cpsr
21    ; CHECK-NEXT: Bcc %bb.3, 1 /* CC::ne */, killed $cpsr
22    ; CHECK-NEXT: {{  $}}
23    ; CHECK-NEXT: .2:
24    ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.3(0x40000000)
25    ; CHECK-NEXT: liveins: $r4_r5, $r2
26    ; CHECK-NEXT: {{  $}}
27    ; CHECK-NEXT: early-clobber $r3 = STREXD $r4_r5, $r2, 14 /* CC::al */, $noreg
28    ; CHECK-NEXT: CMPri killed $r3, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
29    ; CHECK-NEXT: Bcc %bb.1, 1 /* CC::ne */, killed $cpsr
30    ; CHECK-NEXT: {{  $}}
31    ; CHECK-NEXT: .3:
32    dead early-clobber renamable $r0_r1, dead early-clobber renamable $r2_r3 = CMP_SWAP_64 killed renamable $r2_r3, killed renamable $r4_r5, renamable $r4_r5 :: (volatile load store monotonic monotonic (s64))
33...
34---
35name: func2
36tracksRegLiveness: true
37body: |
38  bb.0:
39    liveins: $r1, $r2, $r3, $r12, $lr
40    ; CHECK-LABEL: name: func2
41    ; CHECK: successors: %bb.1(0x80000000)
42    ; CHECK-NEXT: liveins: $r1, $r2, $r3, $r12, $lr
43    ; CHECK-NEXT: {{  $}}
44    ; CHECK-NEXT: .1:
45    ; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000)
46    ; CHECK-NEXT: liveins: $lr, $r3, $r12
47    ; CHECK-NEXT: {{  $}}
48    ; CHECK-NEXT: $r1 = LDREX $r3, 14 /* CC::al */, $noreg
49    ; CHECK-NEXT: CMPrr killed $r1, $r12, 14 /* CC::al */, $noreg, implicit-def $cpsr
50    ; CHECK-NEXT: Bcc %bb.3, 1 /* CC::ne */, killed $cpsr
51    ; CHECK-NEXT: {{  $}}
52    ; CHECK-NEXT: .2:
53    ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.3(0x40000000)
54    ; CHECK-NEXT: liveins: $lr, $r3, $r12
55    ; CHECK-NEXT: {{  $}}
56    ; CHECK-NEXT: early-clobber $r2 = STREX $lr, $r3, 14 /* CC::al */, $noreg
57    ; CHECK-NEXT: CMPri killed $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
58    ; CHECK-NEXT: Bcc %bb.1, 1 /* CC::ne */, killed $cpsr
59    ; CHECK-NEXT: {{  $}}
60    ; CHECK-NEXT: .3:
61    dead early-clobber renamable $r1, dead early-clobber renamable $r2 = CMP_SWAP_32 killed renamable $r3, killed renamable $r12, killed renamable $lr
62...
63