1# RUN: llc -emit-call-site-info -mtriple aarch64-linux-gnu -debug-entry-values -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
2#
3# Based on the following C reproducer:
4#
5# #include <stdint.h>
6#
7# extern void call1(int64_t);
8# extern void call2(int64_t);
9# extern void call3(int64_t);
10# extern void call4(int64_t);
11#
12# void caller() {
13#   call1(UINT64_C(1) << 0);
14#   call2(UINT64_C(1) << 16);
15#   call3(UINT64_C(1) << 32);
16#   call4(UINT64_C(1) << 48);
17# }
18#
19# CHECK: DW_TAG_GNU_call_site
20# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call1"
21# CHECK: DW_TAG_GNU_call_site_parameter
22# CHECK-NEXT: DW_AT_location      (DW_OP_reg0 W0)
23# CHECK-NEXT: DW_AT_GNU_call_site_value   (DW_OP_lit1)
24# CHECK-EMPTY:
25# CHECK: DW_TAG_GNU_call_site
26# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call2"
27# CHECK: DW_TAG_GNU_call_site_parameter
28# CHECK-NEXT: DW_AT_location      (DW_OP_reg0 W0)
29# CHECK-NEXT: DW_AT_GNU_call_site_value   (DW_OP_constu 0x10000)
30# CHECK-EMPTY:
31# CHECK: DW_TAG_GNU_call_site
32# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call3"
33# CHECK: DW_TAG_GNU_call_site_parameter
34# CHECK-NEXT: DW_AT_location      (DW_OP_reg0 W0)
35# CHECK-NEXT: DW_AT_GNU_call_site_value   (DW_OP_constu 0x100000000)
36# CHECK-EMPTY:
37# CHECK: DW_TAG_GNU_call_site
38# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call4"
39# CHECK: DW_TAG_GNU_call_site_parameter
40# CHECK-NEXT: DW_AT_location      (DW_OP_reg0 W0)
41# CHECK-NEXT: DW_AT_GNU_call_site_value   (DW_OP_constu 0x1000000000000)
42#
43--- |
44  ; ModuleID = '1.c'
45  source_filename = "1.c"
46  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
47  target triple = "aarch64"
48
49  ; Function Attrs: nounwind
50  define dso_local void @caller() local_unnamed_addr #0 !dbg !15 {
51  entry:
52    tail call void @call1(i64 1), !dbg !18
53    tail call void @call2(i64 65536), !dbg !19
54    tail call void @call3(i64 4294967296), !dbg !20
55    tail call void @call4(i64 281474976710656), !dbg !21
56    ret void, !dbg !22
57  }
58
59  declare !dbg !4 dso_local void @call1(i64) local_unnamed_addr
60
61  declare !dbg !8 dso_local void @call2(i64) local_unnamed_addr
62
63  declare !dbg !9 dso_local void @call3(i64) local_unnamed_addr
64
65  declare !dbg !10 dso_local void @call4(i64) local_unnamed_addr
66
67  attributes #0 = { nounwind "frame-pointer"="all" }
68
69  !llvm.dbg.cu = !{!0}
70  !llvm.module.flags = !{!11, !12, !13}
71  !llvm.ident = !{!14}
72
73  !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
74  !1 = !DIFile(filename: "1.c", directory: "/dir")
75  !2 = !{}
76  !3 = !{!4, !8, !9, !10}
77  !4 = !DISubprogram(name: "call1", scope: !1, file: !1, line: 3, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
78  !5 = !DISubroutineType(types: !6)
79  !6 = !{null, !7}
80  !7 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
81  !8 = !DISubprogram(name: "call2", scope: !1, file: !1, line: 4, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
82  !9 = !DISubprogram(name: "call3", scope: !1, file: !1, line: 5, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
83  !10 = !DISubprogram(name: "call4", scope: !1, file: !1, line: 6, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
84  !11 = !{i32 2, !"Dwarf Version", i32 4}
85  !12 = !{i32 2, !"Debug Info Version", i32 3}
86  !13 = !{i32 1, !"wchar_size", i32 4}
87  !14 = !{!"clang version 10.0.0"}
88  !15 = distinct !DISubprogram(name: "caller", scope: !1, file: !1, line: 8, type: !16, scopeLine: 8, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
89  !16 = !DISubroutineType(types: !17)
90  !17 = !{null}
91  !18 = !DILocation(line: 9, column: 7, scope: !15)
92  !19 = !DILocation(line: 10, column: 7, scope: !15)
93  !20 = !DILocation(line: 11, column: 7, scope: !15)
94  !21 = !DILocation(line: 12, column: 7, scope: !15)
95  !22 = !DILocation(line: 13, column: 4, scope: !15)
96
97...
98---
99name:            caller
100alignment:       4
101stack:
102  - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
103      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
104      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
105  - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
106      stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
107      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
108callSites:
109  - { bb: 0, offset: 6, fwdArgRegs:
110      - { arg: 0, reg: '$x0' } }
111  - { bb: 0, offset: 8, fwdArgRegs:
112      - { arg: 0, reg: '$x0' } }
113  - { bb: 0, offset: 10, fwdArgRegs:
114      - { arg: 0, reg: '$x0' } }
115  - { bb: 0, offset: 13, fwdArgRegs:
116      - { arg: 0, reg: '$x0' } }
117body:             |
118  bb.0.entry:
119    liveins: $lr
120
121    early-clobber $sp = frame-setup STPXpre $fp, killed $lr, $sp, -2 :: (store 8 into %stack.1), (store 8 into %stack.0)
122    $fp = frame-setup ADDXri $sp, 0, 0
123    frame-setup CFI_INSTRUCTION def_cfa $w29, 16
124    frame-setup CFI_INSTRUCTION offset $w30, -8, debug-location !18
125    frame-setup CFI_INSTRUCTION offset $w29, -16, debug-location !18
126    dead $w0 = MOVZWi 1, 0, implicit-def $x0, debug-location !18
127    BL @call1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !18
128    dead $w0 = MOVZWi 1, 16, implicit-def $x0, debug-location !19
129    BL @call2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !19
130    $x0 = MOVZXi 1, 32, debug-location !20
131    BL @call3, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !20
132    $x0 = MOVZXi 1, 48, debug-location !21
133    early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2, debug-location !21 :: (load 8 from %stack.1), (load 8 from %stack.0)
134    TCRETURNdi @call4, 0, csr_aarch64_aapcs, implicit $sp, implicit killed $x0, debug-location !21
135
136...
137