1# RUN: llc -mtriple=thumbv6m-apple-unknown-macho --run-pass=arm-cp-islands -o - %s | FileCheck %s 2--- | 3 ; ModuleID = 'test.ll' 4 source_filename = "simple.ll" 5 target datalayout = "e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" 6 target triple = "thumbv6m-apple-unknown-macho" 7 8 define i32 @foo(i32 %in) !dbg !5 { 9 call void @llvm.dbg.value(metadata i32 0, metadata !9, metadata !DIExpression()), !dbg !11 10 switch i32 %in, label %default [ 11 i32 0, label %l0 12 i32 1, label %l1 13 i32 2, label %l2 14 i32 3, label %l3 15 ], !dbg !11 16 17 default: ; preds = %0 18 ret i32 42, !dbg !12 19 20 l0: ; preds = %0 21 ret i32 0, !dbg !13 22 23 l1: ; preds = %0 24 ret i32 1, !dbg !14 25 26 l2: ; preds = %0 27 ret i32 2, !dbg !15 28 29 l3: ; preds = %0 30 ret i32 3, !dbg !16 31 } 32 33 ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) 34 declare void @llvm.dbg.value(metadata, metadata, metadata) #0 35 36 attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } 37 38 !llvm.dbg.cu = !{!0} 39 !llvm.debugify = !{!2, !3} 40 !llvm.module.flags = !{!4} 41 42 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) 43 !1 = !DIFile(filename: "simple.ll", directory: "/") 44 !2 = !{i32 6} 45 !3 = !{i32 1} 46 !4 = !{i32 2, !"Debug Info Version", i32 3} 47 !5 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8) 48 !6 = !DISubroutineType(types: !7) 49 !7 = !{} 50 !8 = !{!9} 51 !9 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !10) 52 !10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned) 53 !11 = !DILocation(line: 1, column: 1, scope: !5) 54 !12 = !DILocation(line: 2, column: 1, scope: !5) 55 !13 = !DILocation(line: 3, column: 1, scope: !5) 56 !14 = !DILocation(line: 4, column: 1, scope: !5) 57 !15 = !DILocation(line: 5, column: 1, scope: !5) 58 !16 = !DILocation(line: 6, column: 1, scope: !5) 59 60... 61--- 62name: foo 63alignment: 2 64exposesReturnsTwice: false 65legalized: false 66regBankSelected: false 67selected: false 68failedISel: false 69tracksRegLiveness: true 70hasWinCFI: false 71callsEHReturn: false 72callsUnwindInit: false 73hasEHCatchret: false 74hasEHScopes: false 75hasEHFunclets: false 76debugInstrRef: false 77failsVerification: false 78tracksDebugUserValues: true 79registers: [] 80liveins: 81 - { reg: '$r0', virtual-reg: '' } 82frameInfo: 83 isFrameAddressTaken: false 84 isReturnAddressTaken: false 85 hasStackMap: false 86 hasPatchPoint: false 87 stackSize: 0 88 offsetAdjustment: 0 89 maxAlignment: 1 90 adjustsStack: false 91 hasCalls: false 92 stackProtector: '' 93 functionContext: '' 94 maxCallFrameSize: 0 95 cvBytesOfCalleeSavedRegisters: 0 96 hasOpaqueSPAdjustment: false 97 hasVAStart: false 98 hasMustTailInVarArgFunc: false 99 hasTailCall: false 100 localFrameSize: 0 101 savePoint: '' 102 restorePoint: '' 103fixedStack: [] 104stack: [] 105callSites: [] 106debugValueSubstitutions: [] 107constants: [] 108machineFunctionInfo: {} 109jumpTable: 110 kind: inline 111 entries: 112 - id: 0 113 blocks: [ '%bb.3', '%bb.4', '%bb.5', '%bb.6' ] 114body: | 115 bb.0 (%ir-block.0): 116 successors: %bb.2(0x19999998), %bb.1(0x66666668) 117 liveins: $r0 118 119 DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11 120 tCMPi8 renamable $r0, 3, 14 /* CC::al */, $noreg, implicit-def $cpsr, debug-location !11 121 tBcc %bb.2, 8 /* CC::hi */, killed $cpsr, debug-location !11 122 123 bb.1 (%ir-block.0): 124 successors: %bb.3(0x20000000), %bb.4(0x20000000), %bb.5(0x20000000), %bb.6(0x20000000) 125 liveins: $r0 126 127 renamable $r0, dead $cpsr = tLSLri killed renamable $r0, 2, 14 /* CC::al */, $noreg 128 DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11 129 renamable $r1 = tLEApcrelJT %jump-table.0, 14 /* CC::al */, $noreg 130 renamable $r0 = tLDRr renamable $r1, killed renamable $r0, 14 /* CC::al */, $noreg :: (load (s32) from jump-table) 131 renamable $r0, dead $cpsr = tADDrr killed renamable $r1, killed renamable $r0, 14 /* CC::al */, $noreg 132 tBR_JTr killed renamable $r0, %jump-table.0 133 ; CHECK: tTBB_JT 134 135 bb.3.l0: 136 DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11 137 renamable $r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg 138 tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !13 139 140 bb.2.default: 141 DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11 142 renamable $r0, dead $cpsr = tMOVi8 42, 14 /* CC::al */, $noreg 143 tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !12 144 145 bb.4.l1: 146 DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11 147 renamable $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg 148 tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !14 149 150 bb.5.l2: 151 DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11 152 renamable $r0, dead $cpsr = tMOVi8 2, 14 /* CC::al */, $noreg 153 tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !15 154 155 bb.6.l3: 156 DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11 157 renamable $r0, dead $cpsr = tMOVi8 3, 14 /* CC::al */, $noreg 158 tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !16 159 160... 161