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68 lines
2.9 KiB
68 lines
2.9 KiB
4 months ago
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# RUN: llc -mtriple=x86_64-pc-linux %s -dwarf-version=5 -start-after=livedebugvalues -filetype=obj -o %t
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# RUN: llvm-dwarfdump -v %t | FileCheck %s
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#
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# CHECK: DW_AT_location {{.*}} (DW_OP_entry_value
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#
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--- |
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; ModuleID = 'test.ll'
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source_filename = "test.c"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: noinline nounwind uwtable
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define dso_local void @fn1(i8* %x) local_unnamed_addr !dbg !12 {
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entry:
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call void @llvm.dbg.value(metadata i8* %x, metadata !16, metadata !DIExpression()), !dbg !18
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%0 = ptrtoint i8* %x to i64, !dbg !18
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%y = trunc i64 %0 to i32, !dbg !18
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call void @llvm.dbg.value(metadata i32 %y, metadata !17, metadata !DIExpression()), !dbg !18
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tail call void @fn2(i32 7), !dbg !18
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ret void, !dbg !18
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}
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declare !dbg !4 dso_local void @fn2(i32) local_unnamed_addr
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9, !10}
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!llvm.ident = !{!11}
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!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)
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!1 = !DIFile(filename: "test.c", directory: "/dir")
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!2 = !{}
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!3 = !{!4}
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!4 = !DISubprogram(name: "fn2", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null, !7}
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!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!8 = !{i32 2, !"Dwarf Version", i32 5}
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{i32 1, !"wchar_size", i32 4}
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!11 = !{!"clang version 9.0.0"}
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!12 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 5, type: !13, scopeLine: 5, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !15)
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!13 = !DISubroutineType(types: !14)
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!14 = !{null, !7, !7}
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!15 = !{!16, !17}
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!16 = !DILocalVariable(name: "x", arg: 1, scope: !12, file: !1, line: 5, type: !7)
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!17 = !DILocalVariable(name: "y", scope: !12, file: !1, line: 5, type: !7)
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!18 = !DILocation(line: 0, scope: !12)
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...
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---
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name: fn1
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alignment: 16
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $rdi
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DBG_VALUE $rdi, $noreg, !16, !DIExpression(), debug-location !18
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DBG_VALUE $edi, $noreg, !16, !DIExpression(), debug-location !18
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DBG_VALUE $edi, $noreg, !17, !DIExpression(), debug-location !18
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$edi = KILL renamable $edi, implicit killed $rdi, debug-location !18
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DBG_VALUE $rdi, $noreg, !16, !DIExpression(DW_OP_LLVM_entry_value, 1), debug-location !18
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TAILJMPd64 @fn2, csr_64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $edi, debug-location !18
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...
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