File: bundled-instructions.mir

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (78 lines) | stat: -rw-r--r-- 2,745 bytes parent folder | download | duplicates (21)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple thumbv7-apple-ios -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses the bundled machine instructions
# and 'internal' register flags correctly.

--- |

  define i32 @test1(i32 %a) {
  entry:
    %cmp = icmp sgt i32 %a, -78
    %. = zext i1 %cmp to i32
    ret i32 %.
  }

  define i32 @test2(i32 %a) {
  entry:
    %cmp = icmp sgt i32 %a, -78
    %. = zext i1 %cmp to i32
    ret i32 %.
  }

...
---
name:            test1
tracksRegLiveness: true
liveins:
  - { reg: '$r0' }
body: |
  bb.0.entry:
    liveins: $r0
    ; CHECK-LABEL: name: test1
    ; CHECK: liveins: $r0
    ; CHECK: $r1 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: t2CMNri killed $r0, 78, 14 /* CC::al */, $noreg, implicit-def $cpsr
    ; CHECK: BUNDLE implicit-def dead $itstate, implicit-def $r1, implicit killed $cpsr {
    ; CHECK:   t2IT 12, 8, implicit-def $itstate
    ; CHECK:   $r1 = t2MOVi 1, 12 /* CC::gt */, killed $cpsr, $noreg, implicit internal killed $itstate
    ; CHECK: }
    ; CHECK: $r0 = tMOVr killed $r1, 14 /* CC::al */, $noreg
    ; CHECK: tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0
    $r1 = t2MOVi 0, 14, _, _
    t2CMNri killed $r0, 78, 14, _, implicit-def $cpsr
    BUNDLE implicit-def dead $itstate, implicit-def $r1, implicit killed $cpsr {
      t2IT 12, 8, implicit-def $itstate
      $r1 = t2MOVi 1, 12, killed $cpsr, _, implicit internal killed $itstate
    }
    $r0 = tMOVr killed $r1, 14, _
    tBX_RET 14, _, implicit killed $r0
...
---
name:            test2
tracksRegLiveness: true
liveins:
  - { reg: '$r0' }
body: |
  bb.0.entry:
    liveins: $r0

    ; Verify that the next machine instruction can be on the same line as
    ; '{' or '}'.

    ; CHECK-LABEL: name: test2
    ; CHECK: liveins: $r0
    ; CHECK: $r1 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: t2CMNri killed $r0, 78, 14 /* CC::al */, $noreg, implicit-def $cpsr
    ; CHECK: BUNDLE implicit-def dead $itstate, implicit-def $r1, implicit killed $cpsr {
    ; CHECK:   t2IT 12, 8, implicit-def $itstate
    ; CHECK:   $r1 = t2MOVi 1, 12 /* CC::gt */, killed $cpsr, $noreg, implicit internal killed $itstate
    ; CHECK: }
    ; CHECK: $r0 = tMOVr killed $r1, 14 /* CC::al */, $noreg
    ; CHECK: tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0
    $r1 = t2MOVi 0, 14, _, _
    t2CMNri killed $r0, 78, 14, _, implicit-def $cpsr
    BUNDLE implicit-def dead $itstate, implicit-def $r1, implicit killed $cpsr { t2IT 12, 8, implicit-def $itstate
      $r1 = t2MOVi 1, 12, killed $cpsr, _, internal implicit killed $itstate
    } $r0 = tMOVr killed $r1, 14, _
    tBX_RET 14, _, implicit killed $r0
...