# 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 ...