1# RUN: llc -mtriple thumbv7 -verify-machineinstrs -run-pass arm-ldst-opt %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, retainedNodes: !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--- 79name: f 80alignment: 1 81exposesReturnsTwice: false 82tracksRegLiveness: true 83liveins: 84 - { reg: '$r0' } 85 - { reg: '$r1' } 86 - { reg: '$r2' } 87 - { reg: '$r3' } 88calleeSavedRegisters: [ '$lr', '$d8', '$d9', '$d10', '$d11', '$d12', '$d13', 89 '$d14', '$d15', '$q4', '$q5', '$q6', '$q7', '$r4', 90 '$r5', '$r6', '$r7', '$r8', '$r9', '$r10', '$r11', 91 '$s16', '$s17', '$s18', '$s19', '$s20', '$s21', 92 '$s22', '$s23', '$s24', '$s25', '$s26', '$s27', 93 '$s28', '$s29', '$s30', '$s31', '$d8_d10', '$d9_d11', 94 '$d10_d12', '$d11_d13', '$d12_d14', '$d13_d15', 95 '$q4_q5', '$q5_q6', '$q6_q7', '$q4_q5_q6_q7', '$r4_r5', 96 '$r6_r7', '$r8_r9', '$r10_r11', '$d8_d9_d10', '$d9_d10_d11', 97 '$d10_d11_d12', '$d11_d12_d13', '$d12_d13_d14', 98 '$d13_d14_d15', '$d8_d10_d12', '$d9_d11_d13', '$d10_d12_d14', 99 '$d11_d13_d15', '$d8_d10_d12_d14', '$d9_d11_d13_d15', 100 '$d9_d10', '$d11_d12', '$d13_d14', '$d9_d10_d11_d12', 101 '$d11_d12_d13_d14' ] 102frameInfo: 103 isFrameAddressTaken: false 104 isReturnAddressTaken: false 105 hasStackMap: false 106 hasPatchPoint: false 107 stackSize: 8 108 offsetAdjustment: 0 109 maxAlignment: 4 110 adjustsStack: true 111 hasCalls: true 112 maxCallFrameSize: 0 113 hasOpaqueSPAdjustment: false 114 hasVAStart: false 115 hasMustTailInVarArgFunc: false 116stack: 117 - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '$lr', callee-saved-restored: false } 118 - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '$r7', callee-saved-restored: true } 119body: | 120 bb.0.entry: 121 liveins: $r0, $r1, $r2, $r3, $lr, $r7 122 123 DBG_VALUE debug-use $r0, debug-use $noreg, !18, !27, debug-location !28 124 DBG_VALUE debug-use $r1, debug-use $noreg, !19, !27, debug-location !28 125 DBG_VALUE debug-use $r2, debug-use $noreg, !20, !27, debug-location !28 126 DBG_VALUE debug-use $r3, debug-use $noreg, !21, !27, debug-location !28 127 t2CMPri $r3, 4, 14, $noreg, implicit-def $cpsr, debug-location !31 128 t2Bcc %bb.2.if.end, 2, killed $cpsr 129 130 bb.1: 131 liveins: $lr, $r7 132 133 DBG_VALUE debug-use $r1, debug-use $noreg, !19, !27, debug-location !28 134 $r0 = t2MOVi -1, 14, $noreg, $noreg 135 DBG_VALUE debug-use $r1, debug-use $noreg, !19, !27, debug-location !28 136 tBX_RET 14, $noreg, implicit $r0, debug-location !34 137 138 bb.2.if.end: 139 liveins: $r0, $r2, $r3, $r7, $lr 140 141 $sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r7, killed $lr 142 frame-setup CFI_INSTRUCTION def_cfa_offset 8 143 frame-setup CFI_INSTRUCTION offset $lr, -4 144 frame-setup CFI_INSTRUCTION offset $r7, -8 145 DBG_VALUE debug-use $r0, debug-use $noreg, !18, !27, debug-location !28 146 DBG_VALUE debug-use $r1, debug-use $noreg, !19, !27, debug-location !28 147 DBG_VALUE debug-use $r2, debug-use $noreg, !20, !27, debug-location !28 148 DBG_VALUE debug-use $r3, debug-use $noreg, !21, !27, debug-location !28 149 $r1 = COPY killed $r2, debug-location !32 150 DBG_VALUE debug-use $r1, debug-use $noreg, !19, !27, debug-location !28 151 $r2 = COPY killed $r3, debug-location !32 152 tBL 14, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit $r2, implicit-def $sp, debug-location !32 153 $r0 = t2MOVi 0, 14, $noreg, $noreg 154 $sp = t2LDMIA_UPD $sp, 14, $noreg, def $r7, def $lr 155 tBX_RET 14, $noreg, implicit $r0, debug-location !34 156# Verify that the DBG_VALUE is ignored. 157# CHECK: $sp = t2LDMIA_RET $sp, 14, $noreg, def $r7, def $pc, implicit $r0 158 159... 160