1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -mtriple thumbv7 -verify-machineinstrs -run-pass arm-ldst-opt %s -o - | FileCheck %s 3--- | 4 ; ModuleID = '/Volumes/Data/llvm/test/CodeGen/ARM/sched-it-debug-nodes.ll' 5 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 6 target triple = "thumbv7" 7 8 %struct.s = type opaque 9 10 ; Function Attrs: nounwind 11 define arm_aapcscc i32 @f(ptr %s, i32 %u, ptr %b, i32 %n) #0 !dbg !4 { 12 entry: 13 tail call void @llvm.dbg.value(metadata ptr %s, i64 0, metadata !18, metadata !27), !dbg !28 14 tail call void @llvm.dbg.value(metadata i32 %u, i64 0, metadata !19, metadata !27), !dbg !28 15 tail call void @llvm.dbg.value(metadata ptr %b, i64 0, metadata !20, metadata !27), !dbg !28 16 tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !21, metadata !27), !dbg !28 17 %cmp = icmp ult i32 %n, 4, !dbg !29 18 br i1 %cmp, label %return, label %if.end, !dbg !31 19 20 if.end: ; preds = %entry 21 tail call arm_aapcscc void @g(ptr %s, ptr %b, i32 %n) #3, !dbg !32 22 br label %return, !dbg !33 23 24 return: ; preds = %if.end, %entry 25 %retval.0 = phi i32 [ 0, %if.end ], [ -1, %entry ] 26 ret i32 %retval.0, !dbg !34 27 } 28 29 declare arm_aapcscc void @g(ptr, ptr, i32) #1 30 31 ; Function Attrs: nounwind readnone 32 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 33 34 attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="none" "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 #1 = { "less-precise-fpmad"="false" "frame-pointer"="none" "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" } 36 attributes #2 = { nounwind readnone } 37 attributes #3 = { nounwind } 38 39 !llvm.dbg.cu = !{!0} 40 !llvm.module.flags = !{!22, !23, !24, !25} 41 !llvm.ident = !{!26} 42 43 !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) 44 !1 = !DIFile(filename: "<stdin>", directory: "/Users/compnerd/Source/llvm") 45 !2 = !{} 46 !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) 47 !5 = !DISubroutineType(types: !6) 48 !6 = !{!7, !8, !11, !12, !16} 49 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 50 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32, align: 32) 51 !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "s", file: !1, line: 5, baseType: !10) 52 !10 = !DICompositeType(tag: DW_TAG_structure_type, name: "s", file: !1, line: 5, flags: DIFlagFwdDecl) 53 !11 = !DIBasicType(name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 54 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 32, align: 32) 55 !13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14) 56 !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint8_t", file: !1, line: 2, baseType: !15) 57 !15 = !DIBasicType(name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char) 58 !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "size_t", file: !1, line: 3, baseType: !11) 59 !17 = !{!18, !19, !20, !21} 60 !18 = !DILocalVariable(name: "s", arg: 1, scope: !4, file: !1, line: 9, type: !8) 61 !19 = !DILocalVariable(name: "u", arg: 2, scope: !4, file: !1, line: 9, type: !11) 62 !20 = !DILocalVariable(name: "b", arg: 3, scope: !4, file: !1, line: 9, type: !12) 63 !21 = !DILocalVariable(name: "n", arg: 4, scope: !4, file: !1, line: 9, type: !16) 64 !22 = !{i32 2, !"Dwarf Version", i32 4} 65 !23 = !{i32 2, !"Debug Info Version", i32 3} 66 !24 = !{i32 1, !"wchar_size", i32 4} 67 !25 = !{i32 1, !"min_enum_size", i32 4} 68 !26 = !{!"clang version 3.7.0 (llvm/trunk 237059)"} 69 !27 = !DIExpression() 70 !28 = !DILocation(line: 9, scope: !4) 71 !29 = !DILocation(line: 10, scope: !30) 72 !30 = distinct !DILexicalBlock(scope: !4, file: !1, line: 10) 73 !31 = !DILocation(line: 10, scope: !4) 74 !32 = !DILocation(line: 13, scope: !4) 75 !33 = !DILocation(line: 14, scope: !4) 76 !34 = !DILocation(line: 15, scope: !4) 77 78... 79--- 80name: f 81alignment: 2 82exposesReturnsTwice: false 83tracksRegLiveness: true 84liveins: 85 - { reg: '$r0' } 86 - { reg: '$r1' } 87 - { reg: '$r2' } 88 - { reg: '$r3' } 89calleeSavedRegisters: [ '$lr', '$d8', '$d9', '$d10', '$d11', '$d12', '$d13', 90 '$d14', '$d15', '$q4', '$q5', '$q6', '$q7', '$r4', 91 '$r5', '$r6', '$r7', '$r8', '$r9', '$r10', '$r11', 92 '$s16', '$s17', '$s18', '$s19', '$s20', '$s21', 93 '$s22', '$s23', '$s24', '$s25', '$s26', '$s27', 94 '$s28', '$s29', '$s30', '$s31', '$d8_d10', '$d9_d11', 95 '$d10_d12', '$d11_d13', '$d12_d14', '$d13_d15', 96 '$q4_q5', '$q5_q6', '$q6_q7', '$q4_q5_q6_q7', '$r4_r5', 97 '$r6_r7', '$r8_r9', '$r10_r11', '$d8_d9_d10', '$d9_d10_d11', 98 '$d10_d11_d12', '$d11_d12_d13', '$d12_d13_d14', 99 '$d13_d14_d15', '$d8_d10_d12', '$d9_d11_d13', '$d10_d12_d14', 100 '$d11_d13_d15', '$d8_d10_d12_d14', '$d9_d11_d13_d15', 101 '$d9_d10', '$d11_d12', '$d13_d14', '$d9_d10_d11_d12', 102 '$d11_d12_d13_d14' ] 103frameInfo: 104 isFrameAddressTaken: false 105 isReturnAddressTaken: false 106 hasStackMap: false 107 hasPatchPoint: false 108 stackSize: 8 109 offsetAdjustment: 0 110 maxAlignment: 4 111 adjustsStack: true 112 hasCalls: true 113 maxCallFrameSize: 0 114 hasOpaqueSPAdjustment: false 115 hasVAStart: false 116 hasMustTailInVarArgFunc: false 117stack: 118 - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '$lr', callee-saved-restored: false } 119 - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '$r7', callee-saved-restored: true } 120body: | 121 ; CHECK-LABEL: name: f 122 ; CHECK: bb.0.entry: 123 ; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000) 124 ; CHECK: liveins: $r0, $r1, $r2, $r3, $lr, $r7 125 ; CHECK: DBG_VALUE $r0, $noreg, !22, !DIExpression(), debug-location !26 126 ; CHECK: DBG_VALUE $r1, $noreg, !23, !DIExpression(), debug-location !26 127 ; CHECK: DBG_VALUE $r2, $noreg, !24, !DIExpression(), debug-location !26 128 ; CHECK: DBG_VALUE $r3, $noreg, !25, !DIExpression(), debug-location !26 129 ; CHECK: t2CMPri $r3, 4, 14 /* CC::al */, $noreg, implicit-def $cpsr, debug-location !29 130 ; CHECK: t2Bcc %bb.2, 2 /* CC::hs */, killed $cpsr 131 ; CHECK: bb.1: 132 ; CHECK: liveins: $lr, $r7 133 ; CHECK: DBG_VALUE $r1, $noreg, !23, !DIExpression(), debug-location !26 134 ; CHECK: $r0 = t2MOVi -1, 14 /* CC::al */, $noreg, $noreg 135 ; CHECK: DBG_VALUE $r1, $noreg, !23, !DIExpression(), debug-location !26 136 ; CHECK: tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !32 137 ; CHECK: bb.2.if.end: 138 ; CHECK: liveins: $r0, $r2, $r3, $r7, $lr 139 ; CHECK: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr 140 ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8 141 ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4 142 ; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8 143 ; CHECK: DBG_VALUE $r0, $noreg, !22, !DIExpression(), debug-location !26 144 ; CHECK: DBG_VALUE $r1, $noreg, !23, !DIExpression(), debug-location !26 145 ; CHECK: DBG_VALUE $r2, $noreg, !24, !DIExpression(), debug-location !26 146 ; CHECK: DBG_VALUE $r3, $noreg, !25, !DIExpression(), debug-location !26 147 ; CHECK: $r1 = COPY killed $r2, debug-location !30 148 ; CHECK: DBG_VALUE $r1, $noreg, !23, !DIExpression(), debug-location !26 149 ; CHECK: $r2 = COPY killed $r3, debug-location !30 150 ; CHECK: tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit $r2, implicit-def $sp, debug-location !30 151 ; CHECK: $r0 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg 152 ; CHECK: $sp = t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r7, def $pc, implicit $r0 153 bb.0.entry: 154 liveins: $r0, $r1, $r2, $r3, $lr, $r7 155 156 DBG_VALUE $r0, $noreg, !18, !27, debug-location !28 157 DBG_VALUE $r1, $noreg, !19, !27, debug-location !28 158 DBG_VALUE $r2, $noreg, !20, !27, debug-location !28 159 DBG_VALUE $r3, $noreg, !21, !27, debug-location !28 160 t2CMPri $r3, 4, 14, $noreg, implicit-def $cpsr, debug-location !31 161 t2Bcc %bb.2.if.end, 2, killed $cpsr 162 163 bb.1: 164 liveins: $lr, $r7 165 166 DBG_VALUE $r1, $noreg, !19, !27, debug-location !28 167 $r0 = t2MOVi -1, 14, $noreg, $noreg 168 DBG_VALUE $r1, $noreg, !19, !27, debug-location !28 169 tBX_RET 14, $noreg, implicit $r0, debug-location !34 170 171 bb.2.if.end: 172 liveins: $r0, $r2, $r3, $r7, $lr 173 174 $sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r7, killed $lr 175 frame-setup CFI_INSTRUCTION def_cfa_offset 8 176 frame-setup CFI_INSTRUCTION offset $lr, -4 177 frame-setup CFI_INSTRUCTION offset $r7, -8 178 DBG_VALUE $r0, $noreg, !18, !27, debug-location !28 179 DBG_VALUE $r1, $noreg, !19, !27, debug-location !28 180 DBG_VALUE $r2, $noreg, !20, !27, debug-location !28 181 DBG_VALUE $r3, $noreg, !21, !27, debug-location !28 182 $r1 = COPY killed $r2, debug-location !32 183 DBG_VALUE $r1, $noreg, !19, !27, debug-location !28 184 $r2 = COPY killed $r3, debug-location !32 185 tBL 14, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit $r2, implicit-def $sp, debug-location !32 186 $r0 = t2MOVi 0, 14, $noreg, $noreg 187 $sp = t2LDMIA_UPD $sp, 14, $noreg, def $r7, def $lr 188 tBX_RET 14, $noreg, implicit $r0, debug-location !34 189# Verify that the DBG_VALUE is ignored. 190 191... 192