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1# RUN: llc %s -o - -experimental-debug-variable-locations=true \2# RUN: -run-pass=livedebugvalues | \3# RUN: FileCheck %s --implicit-check-not=DBG_VALUE4#5# Copy of follow-spill-of-live-value.mir. Test that if we have a variable6# location with the indirect flag set (i.e. DBG_VALUE $blah, 0...) then when we7# restore that register in the case of a clobber, we keep the indirectness flag.8#9## Capture variable num,10# CHECK: ![[VARNUM:[0-9]+]] = !DILocalVariable11#12# CHECK-LABEL: bb.0.entry:13# CHECK: DBG_VALUE $r10, 0, ![[VARNUM]], !DIExpression(DW_OP_LLVM_fragment, 64, 64),14# CHECK: DBG_VALUE $rsp, 0, ![[VARNUM]], !DIExpression(DW_OP_constu, 8, DW_OP_minus, DW_OP_deref, DW_OP_LLVM_fragment, 64, 64),15# CHECK: DBG_VALUE $r10, 0, ![[VARNUM]], !DIExpression(DW_OP_LLVM_fragment, 64, 64),16 17--- |18 ; ModuleID = 'missingvar.ll'19 source_filename = "/fast/fs/llvm34/lib/Analysis/LoopPass.cpp"20 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"21 target triple = "x86_64-unknown-linux-gnu"22 23 define linkonce_odr void @_ZNSt5dequeIPN4llvm4LoopESaIS2_EE13_M_insert_auxESt15_Deque_iteratorIS2_RS2_PS2_EmRKS2_() local_unnamed_addr align 2 !dbg !3 {24 entry:25 call void @llvm.dbg.value(metadata i32 0, metadata !8, metadata !DIExpression()), !dbg !726 ret void27 }28 29 declare void @llvm.dbg.value(metadata, metadata, metadata)30 31 !llvm.module.flags = !{!0}32 !llvm.dbg.cu = !{!1}33 34 !0 = !{i32 2, !"Debug Info Version", i32 3}35 !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "beards", isOptimized: true, runtimeVersion: 4, emissionKind: FullDebug)36 !2 = !DIFile(filename: "bees.cpp", directory: "")37 !3 = distinct !DISubprogram(name: "nope", scope: !2, file: !2, line: 1, type: !4, spFlags: DISPFlagDefinition, unit: !1)38 !4 = !DISubroutineType(types: !5)39 !5 = !{!6}40 !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)41 !7 = !DILocation(line: 1, scope: !3)42 !8 = !DILocalVariable(name: "flannel", scope: !3)43 44...45---46name: _ZNSt5dequeIPN4llvm4LoopESaIS2_EE13_M_insert_auxESt15_Deque_iteratorIS2_RS2_PS2_EmRKS2_47alignment: 1648tracksRegLiveness: true49debugInstrRef: true50liveins:51 - { reg: '$rdi' }52 - { reg: '$rsi' }53 - { reg: '$rdx' }54frameInfo:55 stackSize: 4856 offsetAdjustment: -4857 maxAlignment: 858 maxCallFrameSize: 059 cvBytesOfCalleeSavedRegisters: 4860fixedStack:61 - { id: 0, type: spill-slot, offset: -56, size: 8, alignment: 8, callee-saved-register: '$rbx' }62 - { id: 1, type: spill-slot, offset: -48, size: 8, alignment: 16, callee-saved-register: '$r12' }63 - { id: 2, type: spill-slot, offset: -40, size: 8, alignment: 8, callee-saved-register: '$r13' }64 - { id: 3, type: spill-slot, offset: -32, size: 8, alignment: 16, callee-saved-register: '$r14' }65 - { id: 4, type: spill-slot, offset: -24, size: 8, alignment: 8, callee-saved-register: '$r15' }66 - { id: 5, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '$rbp' }67stack:68 - { id: 0, type: spill-slot, offset: -64, size: 8, alignment: 8 }69machineFunctionInfo: {}70body: |71 bb.0.entry:72 liveins: $rdi, $rdx, $rsi, $rbp, $r15, $r14, $r13, $r12, $rbx73 74 renamable $r10 = MOV64rm undef renamable $rax, 1, $noreg, 0, $noreg, debug-instr-number 1, debug-location !7 :: (load 8 from `ptr undef`)75 renamable $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags76 DBG_VALUE $r10, 0, !8, !DIExpression(DW_OP_LLVM_fragment, 64, 64), debug-location !777 TEST8rr renamable $al, renamable $al, implicit-def $eflags, implicit killed $eax, debug-location !778 MOV64mr $rsp, 1, $noreg, -8, $noreg, renamable $r10 :: (store 8 into %stack.0)79 MOV64mr $rsp, 1, $noreg, -8, $noreg, renamable $rdi :: (store 8 into %stack.0)80 RET6481...82