| --- | |
| ; RUN: llc %s -start-before=cfi-instr-inserter -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s |
| |
| ; Test that KILL instructions no longer terminate the instruction range of a |
| ; Debug Intrinsic calculated by DbgEntityHistoryCalculator. |
| |
| source_filename = ".\\test.cpp" |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-scei-ps4" |
| |
| define hidden i32 @main(i32 %arg, i8** nocapture readnone %argv) local_unnamed_addr !dbg !8 { |
| entry: |
| call void @llvm.dbg.value(metadata i32 %arg, metadata !19, metadata !DIExpression()), !dbg !22 |
| call void @llvm.dbg.value(metadata i8** %argv, metadata !20, metadata !DIExpression()), !dbg !22 |
| %add = shl nsw i32 %arg, 1, !dbg !23 |
| call void @llvm.dbg.value(metadata i32 %add, metadata !21, metadata !DIExpression()), !dbg !22 |
| ret i32 %add, !dbg !24 |
| } |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5, !6} |
| !llvm.ident = !{!7} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, debugInfoForProfiling: true, nameTableKind: None) |
| !1 = !DIFile(filename: "test.cpp", directory: "F:\\test") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 2} |
| !6 = !{i32 7, !"PIC Level", i32 2} |
| !7 = !{!"clang version 10.0.0"} |
| !8 = distinct !DISubprogram(name: "main", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !18) |
| !9 = !DIFile(filename: ".\\test.cpp", directory: "F:\\test") |
| !10 = !DISubroutineType(types: !11) |
| !11 = !{!12, !13, !14} |
| !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !12) |
| !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64) |
| !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64) |
| !16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !17) |
| !17 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) |
| !18 = !{!19, !20, !21} |
| !19 = !DILocalVariable(name: "arg", arg: 1, scope: !8, file: !9, line: 1, type: !13) |
| !20 = !DILocalVariable(name: "argv", arg: 2, scope: !8, file: !9, line: 1, type: !14) |
| !21 = !DILocalVariable(name: "result", scope: !8, file: !9, line: 2, type: !12) |
| !22 = !DILocation(line: 0, scope: !8) |
| !23 = !DILocation(line: 2, scope: !8) |
| !24 = !DILocation(line: 3, scope: !8) |
| |
| ... |
| --- |
| name: main |
| alignment: 16 |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$edi', virtual-reg: '' } |
| frameInfo: |
| maxAlignment: 1 |
| body: | |
| bb.0.entry: |
| liveins: $edi |
| |
| renamable $edi = KILL killed $edi, implicit-def $rdi |
| renamable $eax = LEA64_32r killed renamable $rdi, 1, renamable $rdi, 0, $noreg, debug-location !23 |
| DBG_VALUE $eax, $noreg, !21, !DIExpression(), debug-location !22 |
| ; CHECK-LABEL: DW_TAG_variable |
| ; CHECK: DW_AT_location (0x00000000: |
| ; CHECK: [0x0000000000000003, 0x0000000000000004): DW_OP_reg0 RAX) |
| ; CHECK-NEXT: DW_AT_name ("result") |
| renamable $eax = KILL killed $eax, implicit-def $rax |
| RET64 killed $eax, debug-location !24 |
| |
| ... |