1# RUN: llc -mtriple=x86_64-pc-linux %s -dwarf-version=5 -start-after=livedebugvalues -filetype=obj -o %t 2# RUN: llvm-dwarfdump -v %t | FileCheck %s 3# 4# CHECK: DW_AT_location {{.*}} (DW_OP_entry_value 5# 6--- | 7 ; ModuleID = 'test.ll' 8 source_filename = "test.c" 9 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 10 target triple = "x86_64-unknown-linux-gnu" 11 12 ; Function Attrs: noinline nounwind uwtable 13 define dso_local void @fn1(ptr %x) local_unnamed_addr !dbg !12 { 14 entry: 15 call void @llvm.dbg.value(metadata ptr %x, metadata !16, metadata !DIExpression()), !dbg !18 16 %0 = ptrtoint ptr %x to i64, !dbg !18 17 %y = trunc i64 %0 to i32, !dbg !18 18 call void @llvm.dbg.value(metadata i32 %y, metadata !17, metadata !DIExpression()), !dbg !18 19 tail call void @fn2(i32 7), !dbg !18 20 ret void, !dbg !18 21 } 22 23 declare !dbg !4 dso_local void @fn2(i32) local_unnamed_addr 24 25 ; Function Attrs: nounwind readnone speculatable 26 declare void @llvm.dbg.value(metadata, metadata, metadata) 27 28 !llvm.dbg.cu = !{!0} 29 !llvm.module.flags = !{!8, !9, !10} 30 !llvm.ident = !{!11} 31 32 !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) 33 !1 = !DIFile(filename: "test.c", directory: "/dir") 34 !2 = !{} 35 !3 = !{!4} 36 !4 = !DISubprogram(name: "fn2", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) 37 !5 = !DISubroutineType(types: !6) 38 !6 = !{null, !7} 39 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 40 !8 = !{i32 2, !"Dwarf Version", i32 5} 41 !9 = !{i32 2, !"Debug Info Version", i32 3} 42 !10 = !{i32 1, !"wchar_size", i32 4} 43 !11 = !{!"clang version 9.0.0"} 44 !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) 45 !13 = !DISubroutineType(types: !14) 46 !14 = !{null, !7, !7} 47 !15 = !{!16, !17} 48 !16 = !DILocalVariable(name: "x", arg: 1, scope: !12, file: !1, line: 5, type: !7) 49 !17 = !DILocalVariable(name: "y", scope: !12, file: !1, line: 5, type: !7) 50 !18 = !DILocation(line: 0, scope: !12) 51 52... 53--- 54name: fn1 55alignment: 16 56tracksRegLiveness: true 57body: | 58 bb.0.entry: 59 liveins: $rdi 60 DBG_VALUE $rdi, $noreg, !16, !DIExpression(), debug-location !18 61 DBG_VALUE $edi, $noreg, !16, !DIExpression(), debug-location !18 62 DBG_VALUE $edi, $noreg, !17, !DIExpression(), debug-location !18 63 $edi = KILL renamable $edi, implicit killed $rdi, debug-location !18 64 DBG_VALUE $rdi, $noreg, !16, !DIExpression(DW_OP_LLVM_entry_value, 1), debug-location !18 65 TAILJMPd64 @fn2, csr_64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $edi, debug-location !18 66 67... 68