| ; RUN: llc -filetype=obj -mtriple=powerpc64le-unknown-linux-gnu < %s | \ |
| ; RUN: llvm-dwarfdump -debug-info - | FileCheck %s |
| ; RUN: llc -filetype=obj -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -strict-dwarf=true < %s | llvm-dwarfdump -debug-info - | \ |
| ; RUN: FileCheck %s -check-prefix=STRICT |
| |
| ; We also check that with/without -strict-dwarf=true, the location attribute |
| ; is not changed. The location attribute adding will call DwarfUnit::addUInt() |
| ; which contains a attribute 0, we want to make sure the strict-dwarf handling |
| ; is also right for attribute 0. |
| ; For this case, the location attribute adding is for global variable @_ZL3var |
| ; and the call chain to addUInt() is: |
| ; 1: DwarfCompileUnit::addLocationAttribute() |
| ; 2: DwarfUnit::addOpAddress() |
| ; 3: DwarfUnit::addUInt() |
| ; 4: addUInt(Block, (dwarf::Attribute)0, Form, Integer); |
| |
| ; CHECK: DW_AT_name ("var") |
| ; CHECK-NOT: DW_TAG_ |
| ; CHECK: DW_AT_alignment |
| ; CHECK: DW_AT_location (DW_OP_addr 0x0) |
| ; CHECK: DW_AT_noreturn |
| ; |
| ; STRICT: DW_AT_name ("var") |
| ; STRICT-NOT: DW_AT_alignment |
| ; STRICT-NOT: DW_TAG_ |
| ; STRICT: DW_AT_location (DW_OP_addr 0x0) |
| ; STRICT-NOT: DW_AT_noreturn |
| |
| @_ZL3var = internal global i32 0, align 16, !dbg !0 |
| |
| ; Function Attrs: noinline noreturn optnone uwtable mustprogress |
| define dso_local void @_Z1fv() #0 !dbg !12 { |
| entry: |
| call void @_Z4exitv(), !dbg !15 |
| ret void, !dbg !16 |
| } |
| |
| declare void @_Z4exitv() |
| |
| ; Function Attrs: noinline nounwind optnone uwtable mustprogress |
| define dso_local signext i32 @_Z3foov() !dbg !17 { |
| entry: |
| %0 = load i32, ptr @_ZL3var, align 16, !dbg !21 |
| ret i32 %0, !dbg !22 |
| } |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!7, !8, !9, !10} |
| !llvm.ident = !{!11} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "var", linkageName: "_ZL3var", scope: !2, file: !3, line: 2, type: !6, isLocal: true, isDefinition: true, align: 128) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None) |
| !3 = !DIFile(filename: "t.cpp", directory: "./") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) |
| !7 = !{i32 7, !"Dwarf Version", i32 4} |
| !8 = !{i32 2, !"Debug Info Version", i32 3} |
| !9 = !{i32 1, !"wchar_size", i32 4} |
| !10 = !{i32 7, !"uwtable", i32 1} |
| !11 = !{!"clang version 13.0.0"} |
| !12 = distinct !DISubprogram(name: "f", linkageName: "_Z1fv", scope: !3, file: !3, line: 4, type: !13, scopeLine: 4, flags: DIFlagPrototyped | DIFlagNoReturn, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !4) |
| !13 = !DISubroutineType(types: !14) |
| !14 = !{null} |
| !15 = !DILocation(line: 5, column: 1, scope: !12) |
| !16 = !DILocation(line: 7, column: 1, scope: !12) |
| !17 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !3, file: !3, line: 10, type: !18, scopeLine: 11, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !4) |
| !18 = !DISubroutineType(types: !19) |
| !19 = !{!20} |
| !20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !21 = !DILocation(line: 12, column: 18, scope: !17) |
| !22 = !DILocation(line: 12, column: 11, scope: !17) |