1 # RUN: llc -debug-entry-values -filetype=obj -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s| llvm-dwarfdump - | FileCheck %s
3 # extern void foo(int *a, int b, int c, int d, int e, int f);
6 # void baa(int arg1, int arg2, int arg3) {
7 # int local1 = getVal();
8 # foo(&local1, arg2, 10, 15, arg3 + 3, arg1 + arg2);
11 # CHECK: DW_TAG_GNU_call_site
12 # CHECK: DW_AT_abstract_origin {{.*}} "getVal"
14 # CHECK: DW_TAG_GNU_call_site
15 # CHECK: DW_AT_abstract_origin {{.*}} "foo"
16 # CHECK: DW_AT_low_pc {{.*}}
18 # CHECK: DW_TAG_GNU_call_site_parameter
19 # CHECK-NEXT: DW_AT_location (DW_OP_reg2 RCX)
20 # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_lit15)
21 # CHECK: DW_TAG_GNU_call_site_parameter
22 # CHECK-NEXT: DW_AT_location (DW_OP_reg1 RDX)
23 # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_lit10)
24 # CHECK: DW_TAG_GNU_call_site_parameter
25 # CHECK-NEXT: DW_AT_location (DW_OP_reg4 RSI)
26 # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg3 RBX+0)
27 # CHECK: DW_TAG_GNU_call_site_parameter
28 # CHECK-NEXT: DW_AT_location (DW_OP_reg5 RDI)
29 # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_fbreg +12)
30 # CHECK: DW_TAG_GNU_call_site_parameter
31 # CHECK-NEXT: DW_AT_location (DW_OP_reg9 R9)
32 # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg15 R15+0, DW_OP_breg3 RBX+0, DW_OP_plus)
33 # CHECK: DW_TAG_GNU_call_site_parameter
34 # CHECK-NEXT: DW_AT_location (DW_OP_reg8 R8)
35 # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+3)
38 source_filename = "test.c"
39 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
40 target triple = "x86_64-unknown-linux-gnu"
42 ; Function Attrs: nounwind uwtable
43 define dso_local void @baa(i32 %arg1, i32 %arg2, i32 %arg3) local_unnamed_addr !dbg !10 {
45 %local1 = alloca i32, align 4
46 call void @llvm.dbg.value(metadata i32 %arg1, metadata !15, metadata !DIExpression()), !dbg !19
47 call void @llvm.dbg.value(metadata i32 %arg2, metadata !16, metadata !DIExpression()), !dbg !20
48 call void @llvm.dbg.value(metadata i32 %arg3, metadata !17, metadata !DIExpression()), !dbg !21
49 %0 = bitcast i32* %local1 to i8*, !dbg !22
50 %call = tail call i32 (...) @getVal(), !dbg !23
51 call void @llvm.dbg.value(metadata i32 %call, metadata !18, metadata !DIExpression()), !dbg !24
52 store i32 %call, i32* %local1, align 4, !dbg !24
53 %add = add nsw i32 %arg3, 3, !dbg !24
54 %add1 = add nsw i32 %arg2, %arg1, !dbg !24
55 call void @llvm.dbg.value(metadata i32* %local1, metadata !18, metadata !DIExpression(DW_OP_deref)), !dbg !24
56 call void @foo(i32* nonnull %local1, i32 %arg2, i32 10, i32 15, i32 %add, i32 %add1), !dbg !24
60 declare !dbg !4 dso_local i32 @getVal(...) local_unnamed_addr
62 declare !dbg !5 dso_local void @foo(i32*, i32, i32, i32, i32, i32) local_unnamed_addr
64 ; Function Attrs: nounwind readnone speculatable
65 declare void @llvm.dbg.value(metadata, metadata, metadata)
68 !llvm.module.flags = !{!6, !7, !8}
71 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
72 !1 = !DIFile(filename: "test.c", directory: "/dir")
75 !4 = !DISubprogram(name: "getVal", scope: !1, file: !1, line: 2, spFlags: DISPFlagOptimized, retainedNodes: !2)
76 !5 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
77 !6 = !{i32 2, !"Dwarf Version", i32 4}
78 !7 = !{i32 2, !"Debug Info Version", i32 3}
79 !8 = !{i32 1, !"wchar_size", i32 4}
80 !9 = !{!"clang version 9.0.0"}
81 !10 = distinct !DISubprogram(name: "baa", scope: !1, file: !1, line: 4, type: !11, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !14)
82 !11 = !DISubroutineType(types: !12)
83 !12 = !{null, !13, !13, !13}
84 !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
85 !14 = !{!15, !16, !17, !18}
86 !15 = !DILocalVariable(name: "arg1", arg: 1, scope: !10, file: !1, line: 4, type: !13, flags: DIFlagArgumentNotModified)
87 !16 = !DILocalVariable(name: "arg2", arg: 2, scope: !10, file: !1, line: 4, type: !13, flags: DIFlagArgumentNotModified)
88 !17 = !DILocalVariable(name: "arg3", arg: 3, scope: !10, file: !1, line: 4, type: !13, flags: DIFlagArgumentNotModified)
89 !18 = !DILocalVariable(name: "local1", scope: !10, file: !1, line: 5, type: !13)
90 !19 = !DILocation(line: 4, column: 14, scope: !10)
91 !20 = !DILocation(line: 4, column: 24, scope: !10)
92 !21 = !DILocation(line: 4, column: 34, scope: !10)
93 !22 = !DILocation(line: 5, column: 3, scope: !10)
94 !23 = !DILocation(line: 5, column: 16, scope: !10)
95 !24 = !DILocation(line: 5, column: 7, scope: !10)
101 - { reg: '$edi', virtual-reg: '' }
102 - { reg: '$esi', virtual-reg: '' }
103 - { reg: '$edx', virtual-reg: '' }
105 - { bb: 0, offset: 21, fwdArgRegs: [] }
106 - { bb: 0, offset: 31, fwdArgRegs:
107 - { arg: 0, reg: '$rdi' }
108 - { arg: 1, reg: '$esi' }
109 - { arg: 2, reg: '$edx' }
110 - { arg: 3, reg: '$ecx' }
111 - { arg: 4, reg: '$r8d' }
112 - { arg: 5, reg: '$r9d' } }
115 liveins: $edi, $edx, $esi, $r15, $r14, $rbx
117 DBG_VALUE $edi, $noreg, !15, !DIExpression(), debug-location !19
118 DBG_VALUE $esi, $noreg, !16, !DIExpression(), debug-location !20
119 DBG_VALUE $edx, $noreg, !17, !DIExpression(), debug-location !21
120 frame-setup PUSH64r killed $r15, implicit-def $rsp, implicit $rsp
121 CFI_INSTRUCTION def_cfa_offset 16
122 frame-setup PUSH64r killed $r14, implicit-def $rsp, implicit $rsp
123 CFI_INSTRUCTION def_cfa_offset 24
124 frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp
125 CFI_INSTRUCTION def_cfa_offset 32
126 $rsp = frame-setup SUB64ri8 $rsp, 16, implicit-def dead $eflags
127 CFI_INSTRUCTION def_cfa_offset 48
128 CFI_INSTRUCTION offset $rbx, -32
129 CFI_INSTRUCTION offset $r14, -24
130 CFI_INSTRUCTION offset $r15, -16
131 $r14d = MOV32rr $edx, implicit-def $r14
132 $ebx = MOV32rr $esi, implicit-def $rbx
133 $r15d = MOV32rr $edi, implicit-def $r15
134 DBG_VALUE $r14d, $noreg, !17, !DIExpression(), debug-location !21
135 DBG_VALUE $ebx, $noreg, !16, !DIExpression(), debug-location !20
136 DBG_VALUE $r15d, $noreg, !15, !DIExpression(), debug-location !19
137 dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al, debug-location !23
138 CALL64pcrel32 @getVal, csr_64, implicit $rsp, implicit $ssp, implicit $al, implicit-def $rsp, implicit-def $ssp, implicit-def $eax, debug-location !23
139 DBG_VALUE $eax, $noreg, !18, !DIExpression(), debug-location !24
140 MOV32mr $rsp, 1, $noreg, 12, $noreg, killed renamable $eax, debug-location !24 :: (store 4 into %ir.local1)
141 renamable $r8d = LEA64_32r killed renamable $r14, 1, $noreg, 3, $noreg, debug-location !24
142 renamable $r9d = LEA64_32r killed renamable $r15, 1, renamable $rbx, 0, $noreg, debug-location !24
143 DBG_VALUE $rsp, $noreg, !18, !DIExpression(DW_OP_plus_uconst, 12, DW_OP_deref), debug-location !24
144 renamable $rdi = LEA64r $rsp, 1, $noreg, 12, $noreg
145 $esi = MOV32rr $ebx, implicit killed $rbx, debug-location !24
146 $edx = MOV32ri 10, debug-location !24
147 $ecx = MOV32ri 15, debug-location !24
148 CALL64pcrel32 @foo, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $esi, implicit $edx, implicit killed $ecx, implicit $r8d, implicit $r9d, implicit-def $rsp, implicit-def $ssp, debug-location !24
149 $rsp = frame-destroy ADD64ri8 $rsp, 16, implicit-def dead $eflags, debug-location !24
150 CFI_INSTRUCTION def_cfa_offset 32, debug-location !24
151 $rbx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24
152 CFI_INSTRUCTION def_cfa_offset 24, debug-location !24
153 $r14 = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24
154 CFI_INSTRUCTION def_cfa_offset 16, debug-location !24
155 $r15 = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24
156 CFI_INSTRUCTION def_cfa_offset 8, debug-location !24
157 RETQ debug-location !24