| # RUN: llc -start-after=machineverifier -O0 %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s |
| |
| # CHECK: DW_TAG_variable |
| # CHECK-NEXT: DW_AT_location (DW_OP_GNU_entry_value(DW_OP_reg22 W22)) |
| # CHECK-NEXT: DW_AT_name ("a") |
| |
| |
| --- | |
| target triple = "aarch64--" |
| define void @foo(ptr %unused_arg, ptr swiftasync %async_arg) !dbg !4 { |
| call void @llvm.dbg.declare(metadata ptr %async_arg, metadata !10, metadata !DIExpression(DW_OP_LLVM_entry_value, 1)), !dbg !12 |
| ret void, !dbg !12 |
| } |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) |
| declare void @consume(ptr) |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3} |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug) |
| !1 = !DIFile(filename: "x.c", directory: "/") |
| !2 = !{i32 2, !"Dwarf Version", i32 4} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !5, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !0) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{null, !7, !7, !7} |
| !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64) |
| !9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) |
| !10 = !DILocalVariable(name: "a", scope: !4, file: !1, line: 1, type: !7) |
| !12 = !DILocation(line: 1, column: 37, scope: !4) |
| ... |
| --- |
| name: foo |
| liveins: |
| - { reg: '$x0', virtual-reg: '' } |
| - { reg: '$x22', virtual-reg: '' } |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16, |
| stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true } |
| entry_values: |
| - { entry-value-register: '$x22', debug-info-variable: '!10', debug-info-expression: '!DIExpression(DW_OP_LLVM_entry_value, 1)', |
| debug-info-location: '!12' } |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $x0, $x22, $lr |
| RET undef $lr, debug-location !12 |
| ... |
