1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=thumbv6m-apple-ios -run-pass=arm-cp-islands --verify-machine-dom-info %s -o - | FileCheck %s
3--- |
4  ; Function Attrs: minsize nounwind optsize uwtable
5  define arm_aapcscc double @test_split_cfg(double %a, double %b) local_unnamed_addr #0 {
6    ret double undef
7  }
8...
9---
10name:            test_split_cfg
11alignment:       2
12exposesReturnsTwice: false
13legalized:       false
14regBankSelected: false
15selected:        false
16tracksRegLiveness: true
17registers:
18liveins:
19  - { reg: '$r0', virtual-reg: '' }
20frameInfo:
21  isFrameAddressTaken: false
22  isReturnAddressTaken: false
23  hasStackMap:     false
24  hasPatchPoint:   false
25  stackSize:       48
26  offsetAdjustment: 0
27  maxAlignment:    4
28  adjustsStack:    true
29  hasCalls:        true
30  stackProtector:  ''
31  maxCallFrameSize: 0
32  hasOpaqueSPAdjustment: false
33  hasVAStart:      false
34  hasMustTailInVarArgFunc: false
35  savePoint:       ''
36  restorePoint:    ''
37fixedStack:
38
39body:             |
40  ; CHECK-LABEL: name: test_split_cfg
41  ; CHECK: bb.0:
42  ; CHECK:   successors: %bb.1(0x40000000), %bb.3(0x40000000)
43  ; CHECK:   liveins: $r0
44  ; CHECK:   tCMPi8 killed $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
45  ; CHECK:   tBcc %bb.1, 0 /* CC::eq */, $cpsr
46  ; CHECK:   tB %bb.3, 14 /* CC::al */, $noreg
47  ; CHECK: bb.1:
48  ; CHECK:   successors: %bb.4(0x40000000)
49  ; CHECK:   liveins: $cpsr
50  ; CHECK:   tB %bb.4, 14 /* CC::al */, $noreg
51  ; CHECK: bb.2:
52  ; CHECK:   successors: %bb.3(0x80000000)
53  ; CHECK:   dead $r0 = SPACE 256, undef $r0
54  ; CHECK: bb.3:
55  ; CHECK:   tPOP_RET 14 /* CC::al */, $noreg, def $pc
56  ; CHECK: bb.4:
57  ; CHECK:   tPOP_RET 14 /* CC::al */, $noreg, def $pc
58  bb.0:
59    liveins: $r0
60    tCMPi8 killed $r0, 0, 14, $noreg, implicit-def $cpsr
61    tBcc %bb.2, 1, killed $cpsr
62    tB %bb.3, 14, $noreg
63
64  bb.1:
65    dead $r0 = SPACE 256, undef $r0
66
67  bb.2:
68    tPOP_RET 14, $noreg, def $pc
69
70  bb.3:
71    tPOP_RET 14, $noreg, def $pc
72
73...
74