83 lines
3.4 KiB
YAML
83 lines
3.4 KiB
YAML
# RUN: llc -start-after=livedebugvalues --filetype=obj %s -o - \
|
|
# RUN: | llvm-dwarfdump -v - | FileCheck %s
|
|
#
|
|
# Generated at -O2, stopped after livedebugvalues, with some metadata removed
|
|
# by hand:
|
|
# int global;
|
|
# void ext();
|
|
# void fun(int p) {
|
|
# {
|
|
# int local = p;
|
|
# global = local;
|
|
# }
|
|
# ext();
|
|
# }
|
|
#
|
|
# The variable 'local' is available for the entirety of its enclosing scope so
|
|
# we expect to see a single location entry.
|
|
#
|
|
# Except for 'local', all DILocalVariable metadata has been removed.
|
|
#
|
|
# CHECK: DW_TAG_lexical_block [
|
|
# CHECK: DW_TAG_variable
|
|
# CHECK-NEXT: DW_AT_location [DW_FORM_exprloc] (DW_OP_reg5 RDI)
|
|
# CHECK-NEXT: DW_AT_name {{.*}} = "local"
|
|
|
|
--- |
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
@global = dso_local local_unnamed_addr global i32 0, align 4, !dbg !0
|
|
define dso_local void @fun(i32 %p) local_unnamed_addr !dbg !15 {
|
|
entry:
|
|
call void @llvm.dbg.value(metadata i32 %p, metadata !20, metadata !DIExpression()), !dbg !23
|
|
store i32 %p, i32* @global, align 4, !dbg !24
|
|
tail call void (...) @ext(), !dbg !29
|
|
ret void, !dbg !30
|
|
}
|
|
|
|
declare !dbg !6 dso_local void @ext(...) local_unnamed_addr
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata)
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!11, !12, !13}
|
|
!llvm.ident = !{!14}
|
|
|
|
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
|
|
!1 = distinct !DIGlobalVariable(name: "global", scope: !2, file: !3, line: 1, type: !10, isLocal: false, isDefinition: true)
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !9, splitDebugInlining: false, nameTableKind: None)
|
|
!3 = !DIFile(filename: "test.c", directory: "/")
|
|
!4 = !{}
|
|
!5 = !{!6}
|
|
!6 = !DISubprogram(name: "ext", scope: !3, file: !3, line: 2, type: !7, spFlags: DISPFlagOptimized, retainedNodes: !4)
|
|
!7 = !DISubroutineType(types: !8)
|
|
!8 = !{null, null}
|
|
!9 = !{!0}
|
|
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!11 = !{i32 7, !"Dwarf Version", i32 4}
|
|
!12 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!13 = !{i32 1, !"wchar_size", i32 4}
|
|
!14 = !{!"clang version 11.0.0"}
|
|
!15 = distinct !DISubprogram(name: "fun", scope: !3, file: !3, line: 3, type: !16, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !18)
|
|
!16 = !DISubroutineType(types: !17)
|
|
!17 = !{null, !10}
|
|
!18 = !{!20}
|
|
!20 = !DILocalVariable(name: "local", scope: !21, file: !3, line: 5, type: !10)
|
|
!21 = distinct !DILexicalBlock(scope: !15, file: !3, line: 4, column: 3)
|
|
!22 = !DILocation(line: 0, scope: !15)
|
|
!23 = !DILocation(line: 0, scope: !21)
|
|
!24 = !DILocation(line: 6, column: 12, scope: !21)
|
|
!29 = !DILocation(line: 8, column: 3, scope: !15)
|
|
!30 = !DILocation(line: 9, column: 1, scope: !15)
|
|
|
|
...
|
|
---
|
|
name: fun
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $edi
|
|
|
|
DBG_VALUE $edi, $noreg, !20, !DIExpression(), debug-location !23
|
|
MOV32mr $rip, 1, $noreg, @global, $noreg, killed renamable $edi, debug-location !24 :: (store 4 into @global)
|
|
dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al, debug-location !29
|
|
TAILJMPd64 @ext, csr_64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $al, debug-location !29
|
|
...
|