xref: /llvm-project/llvm/test/CodeGen/AArch64/sink-and-fold-drop-dbg.mir (revision ef9bcace834e63f25bbbc5e8e2b615f89d85fb2f) 
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
2# RUN: llc --aarch64-enable-sink-fold=true --run-pass=machine-sink %s -o - | FileCheck %s
3--- |
4  source_filename = "dbg.c"
5  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
6  target triple = "aarch64-unknown-linux"
7
8  define dso_local void @g(i32 noundef %x) local_unnamed_addr !dbg !11 {
9  entry:
10    call void @llvm.dbg.value(metadata i32 %x, metadata !16, metadata !DIExpression()), !dbg !20
11    %add = add nsw i32 %x, 1, !dbg !21
12    call void @llvm.dbg.value(metadata i32 %add, metadata !17, metadata !DIExpression()), !dbg !20
13    call void @llvm.dbg.value(metadata i32 %add, metadata !18, metadata !DIExpression()), !dbg !20
14    %call = tail call i32 @f(i32 noundef %add), !dbg !22
15    call void @llvm.dbg.value(metadata i32 %add, metadata !19, metadata !DIExpression()), !dbg !20
16    %call1 = tail call i32 @f(i32 noundef %add), !dbg !23
17    ret void, !dbg !24
18  }
19
20  declare !dbg !25 i32 @f(i32 noundef)
21
22  declare void @llvm.dbg.value(metadata, metadata, metadata)
23
24  !llvm.dbg.cu = !{!0}
25  !llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8, !9}
26  !llvm.ident = !{!10}
27
28  !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 18.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
29  !1 = !DIFile(filename: "dbg.c", directory: "/home/sweet", checksumkind: CSK_MD5, checksum: "b6bd7ad2140c696af9201a17ab73c918")
30  !2 = !{i32 7, !"Dwarf Version", i32 5}
31  !3 = !{i32 2, !"Debug Info Version", i32 3}
32  !4 = !{i32 1, !"wchar_size", i32 4}
33  !5 = !{i32 8, !"PIC Level", i32 2}
34  !6 = !{i32 7, !"PIE Level", i32 2}
35  !7 = !{i32 7, !"uwtable", i32 2}
36  !8 = !{i32 7, !"frame-pointer", i32 1}
37  !9 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
38  !10 = !{!"clang version 18.0.0"}
39  !11 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 3, type: !12, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !15)
40  !12 = !DISubroutineType(types: !13)
41  !13 = !{null, !14}
42  !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
43  !15 = !{!16, !17, !18, !19}
44  !16 = !DILocalVariable(name: "x", arg: 1, scope: !11, file: !1, line: 3, type: !14)
45  !17 = !DILocalVariable(name: "y", scope: !11, file: !1, line: 4, type: !14)
46  !18 = !DILocalVariable(name: "t0", scope: !11, file: !1, line: 6, type: !14)
47  !19 = !DILocalVariable(name: "t1", scope: !11, file: !1, line: 9, type: !14)
48  !20 = !DILocation(line: 0, scope: !11)
49  !21 = !DILocation(line: 4, column: 13, scope: !11)
50  !22 = !DILocation(line: 7, column: 3, scope: !11)
51  !23 = !DILocation(line: 10, column: 3, scope: !11)
52  !24 = !DILocation(line: 11, column: 1, scope: !11)
53  !25 = !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !26, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized)
54  !26 = !DISubroutineType(types: !27)
55  !27 = !{!14, !14}
56
57...
58---
59name:            g
60alignment:       4
61exposesReturnsTwice: false
62legalized:       false
63regBankSelected: false
64selected:        false
65failedISel:      false
66tracksRegLiveness: true
67hasWinCFI:       false
68callsEHReturn:   false
69callsUnwindInit: false
70hasEHCatchret:   false
71hasEHScopes:     false
72hasEHFunclets:   false
73isOutlined:      false
74debugInstrRef:   false
75failsVerification: false
76tracksDebugUserValues: false
77registers:
78  - { id: 0, class: gpr32common, preferred-register: '' }
79  - { id: 1, class: gpr32sp, preferred-register: '' }
80  - { id: 2, class: gpr32all, preferred-register: '' }
81liveins:
82  - { reg: '$w0', virtual-reg: '%0' }
83frameInfo:
84  isFrameAddressTaken: false
85  isReturnAddressTaken: false
86  hasStackMap:     false
87  hasPatchPoint:   false
88  stackSize:       0
89  offsetAdjustment: 0
90  maxAlignment:    1
91  adjustsStack:    true
92  hasCalls:        true
93  stackProtector:  ''
94  functionContext: ''
95  maxCallFrameSize: 0
96  cvBytesOfCalleeSavedRegisters: 0
97  hasOpaqueSPAdjustment: false
98  hasVAStart:      false
99  hasMustTailInVarArgFunc: false
100  hasTailCall:     true
101  localFrameSize:  0
102  savePoint:       ''
103  restorePoint:    ''
104fixedStack:      []
105stack:           []
106entry_values:    []
107callSites:       []
108debugValueSubstitutions: []
109constants:       []
110machineFunctionInfo: {}
111body:             |
112  bb.0.entry:
113    liveins: $w0
114
115    ; CHECK-LABEL: name: g
116    ; CHECK: liveins: $w0
117    ; CHECK-NEXT: {{  $}}
118    ; CHECK-NEXT: DBG_VALUE $w0, $noreg, !16, !DIExpression(), debug-location !20
119    ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w0
120    ; CHECK-NEXT: DBG_VALUE [[COPY]], $noreg, !16, !DIExpression(), debug-location !20
121    ; CHECK-NEXT: DBG_VALUE $noreg, $noreg, !17, !DIExpression(), debug-location !20
122    ; CHECK-NEXT: DBG_VALUE $noreg, $noreg, !18, !DIExpression(), debug-location !20
123    ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp, debug-location !22
124    ; CHECK-NEXT: $w0 = nsw ADDWri [[COPY]], 1, 0, debug-location !21
125    ; CHECK-NEXT: BL @f, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0, debug-location !22
126    ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp, debug-location !22
127    ; CHECK-NEXT: DBG_VALUE $noreg, $noreg, !19, !DIExpression(), debug-location !20
128    ; CHECK-NEXT: $w0 = nsw ADDWri [[COPY]], 1, 0, debug-location !21
129    ; CHECK-NEXT: TCRETURNdi @f, 0, csr_aarch64_aapcs, implicit $sp, implicit $w0, debug-location !23
130    DBG_VALUE $w0, $noreg, !16, !DIExpression(), debug-location !20
131    %0:gpr32common = COPY $w0
132    DBG_VALUE %0, $noreg, !16, !DIExpression(), debug-location !20
133    %1:gpr32sp = nsw ADDWri %0, 1, 0, debug-location !21
134    DBG_VALUE %1, $noreg, !17, !DIExpression(), debug-location !20
135    DBG_VALUE %1, $noreg, !18, !DIExpression(), debug-location !20
136    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp, debug-location !22
137    $w0 = COPY %1, debug-location !22
138    BL @f, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0, debug-location !22
139    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp, debug-location !22
140    DBG_VALUE %1, $noreg, !19, !DIExpression(), debug-location !20
141    $w0 = COPY %1, debug-location !23
142    TCRETURNdi @f, 0, csr_aarch64_aapcs, implicit $sp, implicit $w0, debug-location !23
143
144...
145