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
|
# RUN: llc -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "foo")
# CHECK-NEXT: DW_AT_low_pc {{.*}}
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg9 R9)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg15 R15+10)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg8 R8)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg15 R15+0, DW_OP_lit2, DW_OP_mul, DW_OP_plus_uconst 0x8)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg1 RDX)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0, DW_OP_lit5, DW_OP_mul, DW_OP_plus_uconst 0x8)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg4 RSI)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg5 RDI)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0, DW_OP_breg15 R15+0, DW_OP_lit2, DW_OP_mul, DW_OP_plus, DW_OP_plus_uconst 0x4)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg2 RCX)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0, DW_OP_breg15 R15+0, DW_OP_plus)
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "foo2")
# CHECK-NEXT: DW_AT_low_pc {{.*}}
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg5 RDI)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0, DW_OP_lit2, DW_OP_mul)
--- |
; ModuleID = 'dbgcall-site-lea-interpretation.ll'
source_filename = "dbgcall-site-lea-interpretation.c"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define dso_local i32 @baa(i32 %arg1, i32 %arg2, i32 %arg3) local_unnamed_addr !dbg !10 {
entry:
%arg1.addr = alloca i32, align 4
%arg3.addr = alloca i32, align 4
%local1 = alloca i32, align 4
store i32 %arg1, ptr %arg1.addr, align 4
store i32 %arg3, ptr %arg3.addr, align 4
%0 = bitcast ptr %local1 to ptr, !dbg !14
%mul = mul nsw i32 %arg3, %arg1, !dbg !14
store i32 %mul, ptr %local1, align 4, !dbg !14
%add = add nsw i32 %arg2, %arg1, !dbg !14
%sub = sub nsw i32 %add, %arg3, !dbg !14
%call = call i32 @foo(i32 %mul, i32 %sub, ptr nonnull %local1, ptr nonnull %arg1.addr, ptr nonnull %arg3.addr, i32 %add), !dbg !14
%1 = load i32, ptr %local1, align 4, !dbg !14
%add2 = add nsw i32 %1, %call, !dbg !14
store i32 %add2, ptr %local1, align 4, !dbg !14
%call3 = call i32 @foo2(ptr nonnull %local1), !dbg !14
%2 = load i32, ptr %local1, align 4, !dbg !14
ret i32 %2, !dbg !14
}
declare !dbg !4 dso_local i32 @foo(i32, i32, ptr, ptr, ptr, i32) local_unnamed_addr
declare !dbg !5 dso_local i32 @foo2(ptr) local_unnamed_addr
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!6, !7, !8}
!llvm.ident = !{!9}
!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)
!1 = !DIFile(filename: "dbgcall-site-lea-interpretation.c", directory: "/dir")
!2 = !{}
!3 = !{!4, !5}
!4 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 8, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
!5 = !DISubprogram(name: "foo2", scope: !1, file: !1, line: 9, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
!6 = !{i32 2, !"Dwarf Version", i32 4}
!7 = !{i32 2, !"Debug Info Version", i32 3}
!8 = !{i32 1, !"wchar_size", i32 4}
!9 = !{!"clang version 9.0.0"}
!10 = distinct !DISubprogram(name: "baa", scope: !1, file: !1, line: 11, type: !11, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
!11 = !DISubroutineType(types: !12)
!12 = !{!13, !13, !13, !13}
!13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!14 = !DILocation(line: 11, column: 13, scope: !10)
...
---
name: baa
liveins:
- { reg: '$edi', virtual-reg: '' }
- { reg: '$esi', virtual-reg: '' }
- { reg: '$edx', virtual-reg: '' }
callSites:
- { bb: 0, offset: 21, fwdArgRegs:
- { arg: 0, reg: '$edi' }
- { arg: 1, reg: '$esi' }
- { arg: 2, reg: '$rdx' }
- { arg: 3, reg: '$rcx' }
- { arg: 4, reg: '$r8' }
- { arg: 5, reg: '$r9d' } }
- { bb: 0, offset: 24, fwdArgRegs:
- { arg: 0, reg: '$rdi' } }
body: |
bb.0.entry:
liveins: $edi, $edx, $esi, $rbx
frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp
CFI_INSTRUCTION def_cfa_offset 16
$rsp = frame-setup SUB64ri8 $rsp, 16, implicit-def dead $eflags
CFI_INSTRUCTION def_cfa_offset 32
CFI_INSTRUCTION offset $rbx, -16
$r9d = MOV32rr $esi
$r14 = MOV64rr $rsi
$r15 = MOV64rr $rdi
MOV32mr $rsp, 1, $noreg, 12, $noreg, renamable $edi :: (store (s32) into %ir.arg1.addr)
MOV32mr $rsp, 1, $noreg, 8, $noreg, renamable $edx :: (store (s32) into %ir.arg3.addr)
renamable $r9d = nsw ADD32rr killed renamable $r9d, renamable $edi, implicit-def dead $eflags, debug-location !14
$esi = MOV32rr $r9d, debug-location !14
renamable $esi = nsw SUB32rr killed renamable $esi, renamable $edx, implicit-def dead $eflags, debug-location !14
renamable $edx = nsw IMUL32rr killed renamable $edx, killed renamable $edi, implicit-def dead $eflags, debug-location !14
MOV32mr $rsp, 1, $noreg, 4, $noreg, renamable $edx, debug-location !14 :: (store (s32) into %ir.local1)
renamable $rcx = LEA64r $r14, 1, $r15, 0, $noreg
renamable $edi = LEA64_32r $r14, 2, $r15, 4, $noreg
renamable $esi = LEA64_32r $r14, 1, $noreg, 0, $noreg
renamable $rdx = LEA64r $r14, 4, $r14, 8, $noreg
renamable $r8 = LEA64r $noreg, 2, $r15, 8, $noreg
renamable $r9d = LEA64_32r $noreg, 1, $r15, 10, $noreg, implicit-def $r9d
CALL64pcrel32 @foo, csr_64, implicit $rsp, implicit $ssp, implicit $edi, implicit $esi, implicit $rdx, implicit $rcx, implicit $r8, implicit $r9d, implicit-def $rsp, implicit-def $ssp, implicit-def $eax, debug-location !14
ADD32mr $rsp, 1, $noreg, 4, $noreg, killed renamable $eax, implicit-def dead $eflags, debug-location !14 :: (store (s32) into %ir.local1), (dereferenceable load (s32) from %ir.local1)
$rdi = LEA64r $r14, 1, killed $r14, 0, $noreg
CALL64pcrel32 @foo2, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp, implicit-def dead $eax, debug-location !14
renamable $eax = MOV32rm $rsp, 1, $noreg, 4, $noreg, debug-location !14 :: (dereferenceable load (s32) from %ir.local1)
$rsp = frame-destroy ADD64ri8 $rsp, 16, implicit-def dead $eflags, debug-location !14
CFI_INSTRUCTION def_cfa_offset 16, debug-location !14
$rbx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !14
CFI_INSTRUCTION def_cfa_offset 8, debug-location !14
RET64 $eax, debug-location !14
...
|
