1 # RUN: llc -mtriple thumbv7 -verify-machineinstrs -start-after machine-cp -stop-after if-converter %s -o - | FileCheck %s 2 --- | 3 ; ModuleID = '/Volumes/Data/llvm/test/CodeGen/ARM/sched-it-debug-nodes.ll' 4 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 5 target triple = "thumbv7" 6 7 %struct.s = type opaque 8 9 ; Function Attrs: nounwind 10 define arm_aapcscc i32 @f(%struct.s* %s, i32 %u, i8* %b, i32 %n) #0 !dbg !4 { 11 entry: 12 tail call void @llvm.dbg.value(metadata %struct.s* %s, i64 0, metadata !18, metadata !27), !dbg !28 13 tail call void @llvm.dbg.value(metadata i32 %u, i64 0, metadata !19, metadata !27), !dbg !28 14 tail call void @llvm.dbg.value(metadata i8* %b, i64 0, metadata !20, metadata !27), !dbg !28 15 tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !21, metadata !27), !dbg !28 16 %cmp = icmp ult i32 %n, 4, !dbg !29 17 br i1 %cmp, label %return, label %if.end, !dbg !31 18 19 if.end: ; preds = %entry 20 tail call arm_aapcscc void @g(%struct.s* %s, i8* %b, i32 %n) #3, !dbg !32 21 br label %return, !dbg !33 22 23 return: ; preds = %if.end, %entry 24 %retval.0 = phi i32 [ 0, %if.end ], [ -1, %entry ] 25 ret i32 %retval.0, !dbg !34 26 } 27 28 declare arm_aapcscc void @g(%struct.s*, i8*, i32) #1 29 30 ; Function Attrs: nounwind readnone 31 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 32 33 attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 34 attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 35 attributes #2 = { nounwind readnone } 36 attributes #3 = { nounwind } 37 38 !llvm.dbg.cu = !{!0} 39 !llvm.module.flags = !{!22, !23, !24, !25} 40 !llvm.ident = !{!26} 41 42 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (llvm/trunk 237059)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 43 !1 = !DIFile(filename: "<stdin>", directory: "/Users/compnerd/Source/llvm") 44 !2 = !{} 45 !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 9, type: !5, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !17) 46 !5 = !DISubroutineType(types: !6) 47 !6 = !{!7, !8, !11, !12, !16} 48 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 49 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32, align: 32) 50 !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "s", file: !1, line: 5, baseType: !10) 51 !10 = !DICompositeType(tag: DW_TAG_structure_type, name: "s", file: !1, line: 5, flags: DIFlagFwdDecl) 52 !11 = !DIBasicType(name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 53 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 32, align: 32) 54 !13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14) 55 !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint8_t", file: !1, line: 2, baseType: !15) 56 !15 = !DIBasicType(name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char) 57 !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "size_t", file: !1, line: 3, baseType: !11) 58 !17 = !{!18, !19, !20, !21} 59 !18 = !DILocalVariable(name: "s", arg: 1, scope: !4, file: !1, line: 9, type: !8) 60 !19 = !DILocalVariable(name: "u", arg: 2, scope: !4, file: !1, line: 9, type: !11) 61 !20 = !DILocalVariable(name: "b", arg: 3, scope: !4, file: !1, line: 9, type: !12) 62 !21 = !DILocalVariable(name: "n", arg: 4, scope: !4, file: !1, line: 9, type: !16) 63 !22 = !{i32 2, !"Dwarf Version", i32 4} 64 !23 = !{i32 2, !"Debug Info Version", i32 3} 65 !24 = !{i32 1, !"wchar_size", i32 4} 66 !25 = !{i32 1, !"min_enum_size", i32 4} 67 !26 = !{!"clang version 3.7.0 (llvm/trunk 237059)"} 68 !27 = !DIExpression() 69 !28 = !DILocation(line: 9, scope: !4) 70 !29 = !DILocation(line: 10, scope: !30) 71 !30 = distinct !DILexicalBlock(scope: !4, file: !1, line: 10) 72 !31 = !DILocation(line: 10, scope: !4) 73 !32 = !DILocation(line: 13, scope: !4) 74 !33 = !DILocation(line: 14, scope: !4) 75 !34 = !DILocation(line: 15, scope: !4) 76 77 ... 78 --- 79 name: f 80 alignment: 1 81 exposesReturnsTwice: false 82 hasInlineAsm: false 83 allVRegsAllocated: true 84 isSSA: false 85 tracksRegLiveness: true 86 tracksSubRegLiveness: false 87 liveins: 88 - { reg: '%r0' } 89 - { reg: '%r1' } 90 - { reg: '%r2' } 91 - { reg: '%r3' } 92 calleeSavedRegisters: [ '%lr', '%d8', '%d9', '%d10', '%d11', '%d12', '%d13', 93 '%d14', '%d15', '%q4', '%q5', '%q6', '%q7', '%r4', 94 '%r5', '%r6', '%r7', '%r8', '%r9', '%r10', '%r11', 95 '%s16', '%s17', '%s18', '%s19', '%s20', '%s21', 96 '%s22', '%s23', '%s24', '%s25', '%s26', '%s27', 97 '%s28', '%s29', '%s30', '%s31', '%d8_d10', '%d9_d11', 98 '%d10_d12', '%d11_d13', '%d12_d14', '%d13_d15', 99 '%q4_q5', '%q5_q6', '%q6_q7', '%q4_q5_q6_q7', '%r4_r5', 100 '%r6_r7', '%r8_r9', '%r10_r11', '%d8_d9_d10', '%d9_d10_d11', 101 '%d10_d11_d12', '%d11_d12_d13', '%d12_d13_d14', 102 '%d13_d14_d15', '%d8_d10_d12', '%d9_d11_d13', '%d10_d12_d14', 103 '%d11_d13_d15', '%d8_d10_d12_d14', '%d9_d11_d13_d15', 104 '%d9_d10', '%d11_d12', '%d13_d14', '%d9_d10_d11_d12', 105 '%d11_d12_d13_d14' ] 106 frameInfo: 107 isFrameAddressTaken: false 108 isReturnAddressTaken: false 109 hasStackMap: false 110 hasPatchPoint: false 111 stackSize: 8 112 offsetAdjustment: 0 113 maxAlignment: 4 114 adjustsStack: true 115 hasCalls: true 116 maxCallFrameSize: 0 117 hasOpaqueSPAdjustment: false 118 hasVAStart: false 119 hasMustTailInVarArgFunc: false 120 stack: 121 - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '%lr' } 122 - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '%r7' } 123 body: | 124 bb.0.entry: 125 successors: %bb.1, %bb.2.if.end 126 liveins: %r0, %r1, %r2, %r3, %lr, %r7 127 128 DBG_VALUE debug-use %r0, debug-use _, !18, !27, debug-location !28 129 DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28 130 DBG_VALUE debug-use %r2, debug-use _, !20, !27, debug-location !28 131 DBG_VALUE debug-use %r3, debug-use _, !21, !27, debug-location !28 132 t2CMPri %r3, 4, 14, _, implicit-def %cpsr, debug-location !31 133 t2Bcc %bb.2.if.end, 2, killed %cpsr 134 135 bb.1: 136 liveins: %lr, %r7 137 138 DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28 139 %r0 = t2MOVi -1, 14, _, _ 140 DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28 141 tBX_RET 14, _, implicit %r0, debug-location !34 142 143 bb.2.if.end: 144 liveins: %r0, %r2, %r3, %r7, %lr 145 146 %sp = frame-setup t2STMDB_UPD %sp, 14, _, killed %r7, killed %lr 147 frame-setup CFI_INSTRUCTION .cfi_def_cfa_offset 8 148 frame-setup CFI_INSTRUCTION .cfi_offset %lr, -4 149 frame-setup CFI_INSTRUCTION .cfi_offset %r7, -8 150 DBG_VALUE debug-use %r0, debug-use _, !18, !27, debug-location !28 151 DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28 152 DBG_VALUE debug-use %r2, debug-use _, !20, !27, debug-location !28 153 DBG_VALUE debug-use %r3, debug-use _, !21, !27, debug-location !28 154 %r1 = COPY killed %r2, debug-location !32 155 DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28 156 %r2 = COPY killed %r3, debug-location !32 157 tBL 14, _, @g, csr_aapcs, implicit-def dead %lr, implicit %sp, implicit %r0, implicit %r1, implicit %r2, implicit-def %sp, debug-location !32 158 %r0 = t2MOVi 0, 14, _, _ 159 %sp = t2LDMIA_UPD %sp, 14, _, def %r7, def %lr 160 tBX_RET 14, _, implicit %r0, debug-location !34 161 # Verify that the DBG_VALUE is ignored. 162 # CHECK: %sp = t2LDMIA_RET %sp, 14, _, def %r7, def %pc, implicit %r0 163 164 ... 165
