77 lines
2.7 KiB
LLVM
77 lines
2.7 KiB
LLVM
; RUN: llc -O0 -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
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;
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; CHECK: .debug_info contents:
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; CHECK: DW_TAG_label
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; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}"top"
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; CHECK-NEXT: DW_AT_decl_file [DW_FORM_data1] {{.*}}debug-label.c
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; CHECK-NEXT: DW_AT_decl_line [DW_FORM_data1] {{.*}}4
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; CHECK-NEXT: DW_AT_low_pc [DW_FORM_addr] {{.*}}{{0x[0-9a-f]+}}
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; CHECK: DW_TAG_label
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; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}"done"
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; CHECK-NEXT: DW_AT_decl_file [DW_FORM_data1] {{.*}}debug-label.c
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; CHECK-NEXT: DW_AT_decl_line [DW_FORM_data1] {{.*}}7
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; CHECK-NEXT: DW_AT_low_pc [DW_FORM_addr] {{.*}}{{0x[0-9a-f]+}}
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; CHECK-NOT: DW_AT_name [DW_FORM_strp] {{.*}}"top"
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;
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; RUN: llc -O0 -o - %s | FileCheck %s -check-prefix=ASM
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;
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; ASM: [[TOP_LOW_PC:[.0-9a-zA-Z]+]]:{{[[:space:]].*}}DEBUG_LABEL: foo:top
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; ASM: [[DONE_LOW_PC:[.0-9a-zA-Z]+]]:{{[[:space:]].*}}DEBUG_LABEL: foo:done
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; ASM-LABEL: debug_info
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; ASM: DW_TAG_label
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; ASM-NEXT: DW_AT_name
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; ASM-NEXT: 1 {{.*}} DW_AT_decl_file
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; ASM-NEXT: 4 {{.*}} DW_AT_decl_line
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; ASM-NEXT: [[TOP_LOW_PC]]{{.*}} DW_AT_low_pc
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; ASM: DW_TAG_label
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; ASM-NEXT: DW_AT_name
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; ASM-NEXT: 1 {{.*}} DW_AT_decl_file
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; ASM-NEXT: 7 {{.*}} DW_AT_decl_line
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; ASM-NEXT: [[DONE_LOW_PC]]{{.*}} DW_AT_low_pc
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source_filename = "debug-label.c"
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define dso_local i32 @foo(i32 %a, i32 %b) !dbg !6 {
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entry:
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%a.addr = alloca i32, align 4
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%b.addr = alloca i32, align 4
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%sum = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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store i32 %b, i32* %b.addr, align 4
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br label %top
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top:
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call void @llvm.dbg.label(metadata !10), !dbg !11
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%0 = load i32, i32* %a.addr, align 4
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%1 = load i32, i32* %b.addr, align 4
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%add = add nsw i32 %0, %1
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store i32 %add, i32* %sum, align 4
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br label %done
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done:
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call void @llvm.dbg.label(metadata !12), !dbg !13
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%2 = load i32, i32* %sum, align 4
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ret i32 %2, !dbg !14
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}
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declare void @llvm.dbg.label(metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "debug-label.c", directory: "./")
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!2 = !{}
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!3 = !{!10}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, unit: !0, retainedNodes: !3)
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9, !9, !9}
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !DILabel(scope: !6, name: "top", file: !1, line: 4)
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!11 = !DILocation(line: 4, column: 1, scope: !6)
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!12 = !DILabel(scope: !15, name: "done", file: !1, line: 7)
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!13 = !DILocation(line: 7, column: 1, scope: !6)
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!14 = !DILocation(line: 8, column: 3, scope: !6)
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!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !6)
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