161 lines
5.6 KiB
Text
161 lines
5.6 KiB
Text
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# RUN: llc -mtriple=thumbv6m-apple-unknown-macho --run-pass=arm-cp-islands -o - %s | FileCheck %s
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--- |
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; ModuleID = 'test.ll'
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source_filename = "simple.ll"
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target datalayout = "e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv6m-apple-unknown-macho"
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define i32 @foo(i32 %in) !dbg !5 {
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call void @llvm.dbg.value(metadata i32 0, metadata !9, metadata !DIExpression()), !dbg !11
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switch i32 %in, label %default [
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i32 0, label %l0
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i32 1, label %l1
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i32 2, label %l2
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i32 3, label %l3
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], !dbg !11
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default: ; preds = %0
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ret i32 42, !dbg !12
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l0: ; preds = %0
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ret i32 0, !dbg !13
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l1: ; preds = %0
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ret i32 1, !dbg !14
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l2: ; preds = %0
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ret i32 2, !dbg !15
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l3: ; preds = %0
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ret i32 3, !dbg !16
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}
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; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
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declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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!llvm.dbg.cu = !{!0}
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!llvm.debugify = !{!2, !3}
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!llvm.module.flags = !{!4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
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!1 = !DIFile(filename: "simple.ll", directory: "/")
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!2 = !{i32 6}
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!3 = !{i32 1}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
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!6 = !DISubroutineType(types: !7)
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!7 = !{}
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!8 = !{!9}
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!9 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !10)
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!10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
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!11 = !DILocation(line: 1, column: 1, scope: !5)
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!12 = !DILocation(line: 2, column: 1, scope: !5)
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!13 = !DILocation(line: 3, column: 1, scope: !5)
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!14 = !DILocation(line: 4, column: 1, scope: !5)
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!15 = !DILocation(line: 5, column: 1, scope: !5)
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!16 = !DILocation(line: 6, column: 1, scope: !5)
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...
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---
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name: foo
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alignment: 2
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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failedISel: false
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tracksRegLiveness: true
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hasWinCFI: false
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callsEHReturn: false
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callsUnwindInit: false
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hasEHCatchret: false
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hasEHScopes: false
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hasEHFunclets: false
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debugInstrRef: false
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failsVerification: false
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tracksDebugUserValues: true
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registers: []
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liveins:
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- { reg: '$r0', virtual-reg: '' }
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 0
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offsetAdjustment: 0
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maxAlignment: 1
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adjustsStack: false
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hasCalls: false
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stackProtector: ''
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functionContext: ''
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maxCallFrameSize: 0
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cvBytesOfCalleeSavedRegisters: 0
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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hasTailCall: false
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localFrameSize: 0
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savePoint: ''
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restorePoint: ''
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fixedStack: []
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stack: []
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callSites: []
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debugValueSubstitutions: []
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constants: []
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machineFunctionInfo: {}
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jumpTable:
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kind: inline
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entries:
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- id: 0
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blocks: [ '%bb.3', '%bb.4', '%bb.5', '%bb.6' ]
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body: |
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bb.0 (%ir-block.0):
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successors: %bb.2(0x19999998), %bb.1(0x66666668)
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liveins: $r0
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DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11
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tCMPi8 renamable $r0, 3, 14 /* CC::al */, $noreg, implicit-def $cpsr, debug-location !11
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tBcc %bb.2, 8 /* CC::hi */, killed $cpsr, debug-location !11
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bb.1 (%ir-block.0):
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successors: %bb.3(0x20000000), %bb.4(0x20000000), %bb.5(0x20000000), %bb.6(0x20000000)
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liveins: $r0
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renamable $r0, dead $cpsr = tLSLri killed renamable $r0, 2, 14 /* CC::al */, $noreg
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DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11
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renamable $r1 = tLEApcrelJT %jump-table.0, 14 /* CC::al */, $noreg
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renamable $r0 = tLDRr renamable $r1, killed renamable $r0, 14 /* CC::al */, $noreg :: (load (s32) from jump-table)
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renamable $r0, dead $cpsr = tADDrr killed renamable $r1, killed renamable $r0, 14 /* CC::al */, $noreg
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tBR_JTr killed renamable $r0, %jump-table.0
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; CHECK: tTBB_JT
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bb.3.l0:
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DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11
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renamable $r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
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tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !13
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bb.2.default:
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DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11
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renamable $r0, dead $cpsr = tMOVi8 42, 14 /* CC::al */, $noreg
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tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !12
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bb.4.l1:
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DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11
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renamable $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
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tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !14
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bb.5.l2:
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DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11
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renamable $r0, dead $cpsr = tMOVi8 2, 14 /* CC::al */, $noreg
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tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !15
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bb.6.l3:
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DBG_VALUE 0, $noreg, !9, !DIExpression(), debug-location !11
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renamable $r0, dead $cpsr = tMOVi8 3, 14 /* CC::al */, $noreg
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tBX_RET 14 /* CC::al */, $noreg, implicit $r0, debug-location !16
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...
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