1 ; RUN: llc -generate-arange-section < %s | FileCheck %s 2 3 4 ; -- header -- 5 ; CHECK: .short 2 # DWARF Arange version number 6 ; CHECK-NEXT: .long .Lcu_begin0 7 ; CHECK-NEXT: .byte 8 # Address Size (in bytes) 8 ; CHECK-NEXT: .byte 0 # Segment Size (in bytes) 9 ; -- alignment -- 10 ; CHECK-NEXT: .zero 4,255 11 12 ; <data section> - it should have made one span covering all vars in this CU. 13 ; CHECK-NEXT: .quad some_data 14 ; CHECK-NEXT: .quad .Lsec_end0-some_data 15 16 ; <other sections> - it should have made one span covering all vars in this CU. 17 ; CHECK-NEXT: .quad some_other 18 ; CHECK-NEXT: .quad .Lsec_end1-some_other 19 20 ; <common symbols> - it should have made one span for each symbol. 21 ; CHECK-NEXT: .quad some_bss 22 ; CHECK-NEXT: .quad 4 23 24 ; <text section> - it should have made one span covering all functions in this CU. 25 ; CHECK-NEXT: .quad .Lfunc_begin0 26 ; CHECK-NEXT: .quad .Lsec_end2-.Lfunc_begin0 27 28 ; -- finish -- 29 ; CHECK-NEXT: # ARange terminator 30 31 32 33 ; -- source code -- 34 ; Generated from: "clang -c -g -emit-llvm" 35 ; 36 ; int some_data = 4; 37 ; int some_bss; 38 ; int some_other __attribute__ ((section ("strange+section"))) = 5; 39 ; 40 ; void some_code() 41 ; { 42 ; some_bss += some_data + some_other; 43 ; } 44 45 target triple = "x86_64-unknown-linux-gnu" 46 47 @some_data = global i32 4, align 4 48 @some_other = global i32 5, section "strange+section", align 4 49 @some_bss = common global i32 0, align 4 50 51 define void @some_code() !dbg !4 { 52 entry: 53 %0 = load i32, i32* @some_data, align 4, !dbg !14 54 %1 = load i32, i32* @some_other, align 4, !dbg !14 55 %add = add nsw i32 %0, %1, !dbg !14 56 %2 = load i32, i32* @some_bss, align 4, !dbg !14 57 %add1 = add nsw i32 %2, %add, !dbg !14 58 store i32 %add1, i32* @some_bss, align 4, !dbg !14 59 ret void, !dbg !15 60 } 61 62 !llvm.dbg.cu = !{!0} 63 !llvm.module.flags = !{!13, !16} 64 65 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !8, imports: !2) 66 !1 = !DIFile(filename: "test.c", directory: "/home/kayamon") 67 !2 = !{} 68 !3 = !{!4} 69 !4 = distinct !DISubprogram(name: "some_code", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, scopeLine: 6, file: !1, scope: !5, type: !6, variables: !2) 70 !5 = !DIFile(filename: "test.c", directory: "/home/kayamon") 71 !6 = !DISubroutineType(types: !7) 72 !7 = !{null} 73 !8 = !{!9, !11, !12} 74 !9 = !DIGlobalVariable(name: "some_data", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10, variable: i32* @some_data) 75 !10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 76 !11 = !DIGlobalVariable(name: "some_other", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10, variable: i32* @some_other) 77 !12 = !DIGlobalVariable(name: "some_bss", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10, variable: i32* @some_bss) 78 !13 = !{i32 2, !"Dwarf Version", i32 4} 79 !14 = !DILocation(line: 7, scope: !4) 80 !15 = !DILocation(line: 8, scope: !4) 81 !16 = !{i32 1, !"Debug Info Version", i32 3} 82