File: statepoint-fixup-undef-def.mir

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (150 lines) | stat: -rw-r--r-- 8,746 bytes parent folder | download | duplicates (9)
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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -x mir -run-pass fixup-statepoint-caller-saved -verify-machineinstrs < %s | FileCheck %s

--- |
  ; ModuleID = 'undef.ll'
  source_filename = "test_undef.ll"
  target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
  target triple = "x86_64-unknown-linux-gnu"

  define void @test_undef(ptr addrspace(1) %arg1, ptr addrspace(1) %arg2, ptr addrspace(1) %arg3, ptr addrspace(1) %arg4) #0 gc "statepoint-example" {
  bb:
    %tmp1 = lshr i32 0, undef
    %tmp2 = load atomic i32, ptr addrspace(1) undef unordered, align 8
    %tmp3 = load atomic i32, ptr addrspace(1) undef unordered, align 8
    %tmp19 = inttoptr i64 undef to ptr addrspace(1)
    br label %bb7

  bb7:                                              ; preds = %bb
    %tmp4 = icmp slt i32 %tmp3, undef
    %tmp5 = select i1 %tmp4, i32 6, i32 undef
    %tmp6 = add i32 %tmp5, %tmp2
    %tmp7 = call ptr addrspace(1) @wombat()
    %tmp20 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2, i32 5, ptr nonnull elementtype(void (ptr addrspace(1), i32, i32, ptr addrspace(1), i32)) @hoge, i32 5, i32 0, ptr addrspace(1) %tmp19, i32 %tmp2, i32 %tmp6, ptr addrspace(1) %tmp7, i32 0, i32 0, i32 0) [ "deopt"(ptr addrspace(1) %tmp19, ptr addrspace(1) %arg1, ptr addrspace(1) %arg3, ptr addrspace(1) %arg4, i32 %tmp2, i32 %tmp1, i32 %tmp5), "gc-live"(ptr addrspace(1) %tmp19, ptr addrspace(1) %arg2) ]
    %tmp21 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %tmp20, i32 0, i32 0) ; (%tmp19, %tmp19)
    %tmp22 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %tmp20, i32 1, i32 1) ; (%arg2, %arg2)
    ret void
  }

  declare void @hoge(ptr addrspace(1), i32, i32, ptr addrspace(1), i32) #0

  declare ptr addrspace(1) @wombat() #0

  ; Function Attrs: nounwind readonly
  declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32 immarg, i32 immarg) #1

  declare token @llvm.experimental.gc.statepoint.p0(i64 immarg, i32 immarg, ptr, i32 immarg, i32 immarg, ...)

  attributes #0 = { "target-cpu"="broadwell" }
  attributes #1 = { nounwind readonly }

...
---
name:            test_undef
alignment:       16
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
registers:       []
liveins:
  - { reg: '$rdi', virtual-reg: '' }
  - { reg: '$rsi', virtual-reg: '' }
  - { reg: '$rdx', virtual-reg: '' }
  - { reg: '$rcx', virtual-reg: '' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    8
  adjustsStack:    false
  hasCalls:        true
  stackProtector:  ''
  maxCallFrameSize: 4294967295
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:
  - { id: 0, name: '', type: default, offset: 0, size: 8, alignment: 8,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 1, name: '', type: default, offset: 0, size: 8, alignment: 8,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 2, name: '', type: default, offset: 0, size: 8, alignment: 8,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
callSites:       []
debugValueSubstitutions: []
constants:       []
machineFunctionInfo: {}
body:             |
  ; CHECK-LABEL: name: test_undef
  ; CHECK: bb.0.bb:
  ; CHECK:   successors: %bb.1(0x80000000)
  ; CHECK:   liveins: $rcx, $rdi, $rdx, $rsi
  ; CHECK:   renamable $r15 = COPY $rcx
  ; CHECK:   renamable $r12 = COPY $rdx
  ; CHECK:   renamable $r14 = COPY $rsi
  ; CHECK:   renamable $r13 = COPY $rdi
  ; CHECK:   renamable $ebx = MOV32rm undef renamable $rax, 1, $noreg, 0, $noreg, implicit-def $rbx :: (load unordered (s32) from `ptr addrspace(1) undef`, align 8, addrspace 1)
  ; CHECK: bb.1.bb7:
  ; CHECK:   liveins: $rbx, $r12, $r13, $r14, $r15
  ; CHECK:   renamable $ebp = LEA64_32r renamable $rbx, 1, $noreg, 6, $noreg
  ; CHECK:   ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
  ; CHECK:   CALL64pcrel32 target-flags(x86-plt) @wombat, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, implicit-def $rax
  ; CHECK:   ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
  ; CHECK:   MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $r13 :: (store (s64) into %stack.0)
  ; CHECK:   MOV64mr %stack.1, 1, $noreg, 0, $noreg, killed renamable $r12 :: (store (s64) into %stack.1)
  ; CHECK:   MOV64mr %stack.2, 1, $noreg, 0, $noreg, killed renamable $r15 :: (store (s64) into %stack.2)
  ; CHECK:   ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
  ; CHECK:   $esi = COPY renamable $ebx
  ; CHECK:   $edx = COPY killed renamable $ebp
  ; CHECK:   $rcx = COPY killed renamable $rax
  ; CHECK:   $r8d = MOV32r0 implicit-def dead $eflags
  ; CHECK:   MOV64mr %stack.3, 1, $noreg, 0, $noreg, killed $r14 :: (store (s64) into %stack.3)
  ; CHECK:   STATEPOINT 2, 5, 5, undef renamable $rax, undef $rdi, $esi, $edx, $rcx, killed $r8d, 2, 0, 2, 0, 2, 7, undef renamable $rax, 1, 8, %stack.0, 0, 1, 8, %stack.1, 0, 1, 8, %stack.2, 0, renamable $ebx, undef renamable $eax, 2, 6, 2, 2, 1, 8, %stack.3, 0, undef renamable $rbx, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp, implicit killed $rbx :: (volatile load store (s64) on %stack.0), (volatile load store (s64) on %stack.1), (volatile load store (s64) on %stack.2), (load store (s64) on %stack.3)
  ; CHECK:   $r14 = MOV64rm %stack.3, 1, $noreg, 0, $noreg :: (load (s64) from %stack.3)
  ; CHECK:   ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
  ; CHECK:   RET 0
  bb.0.bb:
    successors: %bb.1(0x80000000)
    liveins: $rcx, $rdi, $rdx, $rsi

    renamable $r15 = COPY $rcx
    renamable $r12 = COPY $rdx
    renamable $r14 = COPY $rsi
    renamable $r13 = COPY $rdi
    renamable $ebx = MOV32rm undef renamable $rax, 1, $noreg, 0, $noreg, implicit-def $rbx :: (load unordered (s32) from `ptr addrspace(1) undef`, align 8, addrspace 1)

  bb.1.bb7:
    liveins: $rbx, $r12, $r13, $r14, $r15

    renamable $ebp = LEA64_32r renamable $rbx, 1, $noreg, 6, $noreg
    ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
    CALL64pcrel32 target-flags(x86-plt) @wombat, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, implicit-def $rax
    ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
    MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $r13 :: (store (s64) into %stack.0)
    MOV64mr %stack.1, 1, $noreg, 0, $noreg, killed renamable $r12 :: (store (s64) into %stack.1)
    MOV64mr %stack.2, 1, $noreg, 0, $noreg, killed renamable $r15 :: (store (s64) into %stack.2)
    ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
    $esi = COPY renamable $ebx
    $edx = COPY killed renamable $ebp
    $rcx = COPY killed renamable $rax
    $r8d = MOV32r0 implicit-def dead $eflags
    dead renamable $r14, dead renamable $rbx = STATEPOINT 2, 5, 5, undef renamable $rax, undef $rdi, $esi, $edx, $rcx, killed $r8d, 2, 0, 2, 0, 2, 7, undef renamable $rax, 1, 8, %stack.0, 0, 1, 8, %stack.1, 0, 1, 8, %stack.2, 0, renamable $ebx, undef renamable $eax, 2, 6, 2, 2, killed renamable $r14(tied-def 0), undef renamable $rbx(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp, implicit killed $rbx :: (volatile load store (s64) on %stack.0), (volatile load store (s64) on %stack.1), (volatile load store (s64) on %stack.2)
    ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
    RET 0

...