1 ; RUN: llc < %s | FileCheck %s 2 3 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32" 4 target triple = "thumbv7-apple-darwin10" 5 6 @x1 = internal global i8 1 7 @x2 = internal global i8 1 8 @x3 = internal global i8 1 9 @x4 = internal global i8 1 10 @x5 = global i8 1 11 12 ; Check debug info output for merged global. 13 ; DW_AT_location 14 ; DW_OP_addr 15 ; DW_OP_plus 16 ; .long __MergedGlobals 17 ; DW_OP_constu 18 ; offset 19 20 ;CHECK: .ascii "x2" @ DW_AT_name 21 ;CHECK-NEXT: .byte 0 22 ;CHECK-NEXT: @ DW_AT_type 23 ;CHECK-NEXT: @ DW_AT_decl_file 24 ;CHECK-NEXT: @ DW_AT_decl_line 25 ;CHECK-NEXT: @ DW_AT_location 26 ;CHECK-NEXT: .byte 3 27 ;CHECK-NEXT: .long __MergedGlobals 28 ;CHECK-NEXT: .byte 16 29 ;CHECK-NEXT: .byte 1 30 ;CHECK-NEXT: .byte 34 31 32 define zeroext i8 @get1(i8 zeroext %a) nounwind optsize { 33 entry: 34 tail call void @llvm.dbg.value(metadata !{i8 %a}, i64 0, metadata !10), !dbg !30 35 %0 = load i8* @x1, align 4, !dbg !30 36 tail call void @llvm.dbg.value(metadata !{i8 %0}, i64 0, metadata !11), !dbg !30 37 store i8 %a, i8* @x1, align 4, !dbg !30 38 ret i8 %0, !dbg !31 39 } 40 41 declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone 42 43 define zeroext i8 @get2(i8 zeroext %a) nounwind optsize { 44 entry: 45 tail call void @llvm.dbg.value(metadata !{i8 %a}, i64 0, metadata !18), !dbg !32 46 %0 = load i8* @x2, align 4, !dbg !32 47 tail call void @llvm.dbg.value(metadata !{i8 %0}, i64 0, metadata !19), !dbg !32 48 store i8 %a, i8* @x2, align 4, !dbg !32 49 ret i8 %0, !dbg !33 50 } 51 52 define zeroext i8 @get3(i8 zeroext %a) nounwind optsize { 53 entry: 54 tail call void @llvm.dbg.value(metadata !{i8 %a}, i64 0, metadata !21), !dbg !34 55 %0 = load i8* @x3, align 4, !dbg !34 56 tail call void @llvm.dbg.value(metadata !{i8 %0}, i64 0, metadata !22), !dbg !34 57 store i8 %a, i8* @x3, align 4, !dbg !34 58 ret i8 %0, !dbg !35 59 } 60 61 define zeroext i8 @get4(i8 zeroext %a) nounwind optsize { 62 entry: 63 tail call void @llvm.dbg.value(metadata !{i8 %a}, i64 0, metadata !24), !dbg !36 64 %0 = load i8* @x4, align 4, !dbg !36 65 tail call void @llvm.dbg.value(metadata !{i8 %0}, i64 0, metadata !25), !dbg !36 66 store i8 %a, i8* @x4, align 4, !dbg !36 67 ret i8 %0, !dbg !37 68 } 69 70 define zeroext i8 @get5(i8 zeroext %a) nounwind optsize { 71 entry: 72 tail call void @llvm.dbg.value(metadata !{i8 %a}, i64 0, metadata !27), !dbg !38 73 %0 = load i8* @x5, align 4, !dbg !38 74 tail call void @llvm.dbg.value(metadata !{i8 %0}, i64 0, metadata !28), !dbg !38 75 store i8 %a, i8* @x5, align 4, !dbg !38 76 ret i8 %0, !dbg !39 77 } 78 79 !llvm.dbg.sp = !{!0, !6, !7, !8, !9} 80 !llvm.dbg.lv.get1 = !{!10, !11} 81 !llvm.dbg.gv = !{!13, !14, !15, !16, !17} 82 !llvm.dbg.lv.get2 = !{!18, !19} 83 !llvm.dbg.lv.get3 = !{!21, !22} 84 !llvm.dbg.lv.get4 = !{!24, !25} 85 !llvm.dbg.lv.get5 = !{!27, !28} 86 87 !0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"get1", metadata !"get1", metadata !"get1", metadata !1, i32 4, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i8 (i8)* @get1} ; [ DW_TAG_subprogram ] 88 !1 = metadata !{i32 589865, metadata !"foo.c", metadata !"/tmp/", metadata !2} ; [ DW_TAG_file_type ] 89 !2 = metadata !{i32 589841, i32 0, i32 1, metadata !"foo.c", metadata !"/tmp/", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2369.8)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ] 90 !3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ] 91 !4 = metadata !{metadata !5, metadata !5} 92 !5 = metadata !{i32 589860, metadata !1, metadata !"_Bool", metadata !1, i32 0, i64 8, i64 8, i64 0, i32 0, i32 2} ; [ DW_TAG_base_type ] 93 !6 = metadata !{i32 589870, i32 0, metadata !1, metadata !"get2", metadata !"get2", metadata !"get2", metadata !1, i32 7, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i8 (i8)* @get2} ; [ DW_TAG_subprogram ] 94 !7 = metadata !{i32 589870, i32 0, metadata !1, metadata !"get3", metadata !"get3", metadata !"get3", metadata !1, i32 10, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i8 (i8)* @get3} ; [ DW_TAG_subprogram ] 95 !8 = metadata !{i32 589870, i32 0, metadata !1, metadata !"get4", metadata !"get4", metadata !"get4", metadata !1, i32 13, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i8 (i8)* @get4} ; [ DW_TAG_subprogram ] 96 !9 = metadata !{i32 589870, i32 0, metadata !1, metadata !"get5", metadata !"get5", metadata !"get5", metadata !1, i32 16, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i8 (i8)* @get5} ; [ DW_TAG_subprogram ] 97 !10 = metadata !{i32 590081, metadata !0, metadata !"a", metadata !1, i32 4, metadata !5, i32 0} ; [ DW_TAG_arg_variable ] 98 !11 = metadata !{i32 590080, metadata !12, metadata !"b", metadata !1, i32 4, metadata !5, i32 0} ; [ DW_TAG_auto_variable ] 99 !12 = metadata !{i32 589835, metadata !0, i32 4, i32 0, metadata !1, i32 0} ; [ DW_TAG_lexical_block ] 100 !13 = metadata !{i32 589876, i32 0, metadata !1, metadata !"x1", metadata !"x1", metadata !"", metadata !1, i32 3, metadata !5, i1 true, i1 true, i8* @x1} ; [ DW_TAG_variable ] 101 !14 = metadata !{i32 589876, i32 0, metadata !1, metadata !"x2", metadata !"x2", metadata !"", metadata !1, i32 6, metadata !5, i1 true, i1 true, i8* @x2} ; [ DW_TAG_variable ] 102 !15 = metadata !{i32 589876, i32 0, metadata !1, metadata !"x3", metadata !"x3", metadata !"", metadata !1, i32 9, metadata !5, i1 true, i1 true, i8* @x3} ; [ DW_TAG_variable ] 103 !16 = metadata !{i32 589876, i32 0, metadata !1, metadata !"x4", metadata !"x4", metadata !"", metadata !1, i32 12, metadata !5, i1 true, i1 true, i8* @x4} ; [ DW_TAG_variable ] 104 !17 = metadata !{i32 589876, i32 0, metadata !1, metadata !"x5", metadata !"x5", metadata !"", metadata !1, i32 15, metadata !5, i1 false, i1 true, i8* @x5} ; [ DW_TAG_variable ] 105 !18 = metadata !{i32 590081, metadata !6, metadata !"a", metadata !1, i32 7, metadata !5, i32 0} ; [ DW_TAG_arg_variable ] 106 !19 = metadata !{i32 590080, metadata !20, metadata !"b", metadata !1, i32 7, metadata !5, i32 0} ; [ DW_TAG_auto_variable ] 107 !20 = metadata !{i32 589835, metadata !6, i32 7, i32 0, metadata !1, i32 1} ; [ DW_TAG_lexical_block ] 108 !21 = metadata !{i32 590081, metadata !7, metadata !"a", metadata !1, i32 10, metadata !5, i32 0} ; [ DW_TAG_arg_variable ] 109 !22 = metadata !{i32 590080, metadata !23, metadata !"b", metadata !1, i32 10, metadata !5, i32 0} ; [ DW_TAG_auto_variable ] 110 !23 = metadata !{i32 589835, metadata !7, i32 10, i32 0, metadata !1, i32 2} ; [ DW_TAG_lexical_block ] 111 !24 = metadata !{i32 590081, metadata !8, metadata !"a", metadata !1, i32 13, metadata !5, i32 0} ; [ DW_TAG_arg_variable ] 112 !25 = metadata !{i32 590080, metadata !26, metadata !"b", metadata !1, i32 13, metadata !5, i32 0} ; [ DW_TAG_auto_variable ] 113 !26 = metadata !{i32 589835, metadata !8, i32 13, i32 0, metadata !1, i32 3} ; [ DW_TAG_lexical_block ] 114 !27 = metadata !{i32 590081, metadata !9, metadata !"a", metadata !1, i32 16, metadata !5, i32 0} ; [ DW_TAG_arg_variable ] 115 !28 = metadata !{i32 590080, metadata !29, metadata !"b", metadata !1, i32 16, metadata !5, i32 0} ; [ DW_TAG_auto_variable ] 116 !29 = metadata !{i32 589835, metadata !9, i32 16, i32 0, metadata !1, i32 4} ; [ DW_TAG_lexical_block ] 117 !30 = metadata !{i32 4, i32 0, metadata !0, null} 118 !31 = metadata !{i32 4, i32 0, metadata !12, null} 119 !32 = metadata !{i32 7, i32 0, metadata !6, null} 120 !33 = metadata !{i32 7, i32 0, metadata !20, null} 121 !34 = metadata !{i32 10, i32 0, metadata !7, null} 122 !35 = metadata !{i32 10, i32 0, metadata !23, null} 123 !36 = metadata !{i32 13, i32 0, metadata !8, null} 124 !37 = metadata !{i32 13, i32 0, metadata !26, null} 125 !38 = metadata !{i32 16, i32 0, metadata !9, null} 126 !39 = metadata !{i32 16, i32 0, metadata !29, null} 127