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