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1# RUN: llc %s -o - -experimental-debug-variable-locations \2# RUN: -run-pass=livedebugvalues | \3# RUN: FileCheck %s --implicit-check-not=DBG_VALUE4#5# Test that spills of live values to the stack are tracked by LiveDebugValues.6# (Note that I've retained the original reduced LLVM-IR in this test to ease7# regeneration of this test).8#9# Prior versions of LiveDebugValues only recognised spills to the stack if the10# source register was also killed. This often isn't the case, if a value is11# needed immediately and later in a function: for example in this test.12#13# Test that instr-ref LiveDebugValues is able to track r10's value from the14# entry block through its stored to the stack, to where it's reloaded in block15# 8 and used for a comparison and a DBG_INSTR_REF. A valid variable location16# should be emitted -- it's not too important what the location is, this test17# is that LiveDebugValues can track the value, not where it puts it.18#19## Capture variable num,20# CHECK: ![[VARNUM:[0-9]+]] = !DILocalVariable21#22# CHECK-LABEL: bb.8:23# CHECK: DBG_VALUE_LIST ![[VARNUM]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_constu, 8, DW_OP_minus, DW_OP_deref, DW_OP_LLVM_fragment, 64, 64), $rsp,24# CHECK-LABEL: bb.9:25# CHECK: DBG_VALUE_LIST ![[VARNUM]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_constu, 8, DW_OP_minus, DW_OP_deref, DW_OP_LLVM_fragment, 64, 64), $rsp,26 27--- |28 ; ModuleID = 'missingvar.ll'29 source_filename = "/fast/fs/llvm34/lib/Analysis/LoopPass.cpp"30 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"31 target triple = "x86_64-unknown-linux-gnu"32 33 %"class.std::deque" = type { %"class.std::_Deque_base" }34 %"class.std::_Deque_base" = type { %"struct.std::_Deque_base<llvm::Loop *, std::allocator<llvm::Loop *>>::_Deque_impl" }35 %"struct.std::_Deque_base<llvm::Loop *, std::allocator<llvm::Loop *>>::_Deque_impl" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }36 %"class.llvm::Loop" = type opaque37 %"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }38 39 define linkonce_odr void @_ZNSt5dequeIPN4llvm4LoopESaIS2_EE13_M_insert_auxESt15_Deque_iteratorIS2_RS2_PS2_EmRKS2_(ptr %this, ptr %__pos, i64 %__n, i1 %arg) local_unnamed_addr align 2 !dbg !3 {40 entry:41 %0 = load ptr, ptr undef, align 8, !dbg !742 %_M_cur6.i = getelementptr inbounds %"class.std::deque", ptr %this, i64 0, i32 0, i32 0, i32 2, i32 0, !dbg !743 %1 = load ptr, ptr %_M_cur6.i, align 8, !dbg !744 %2 = load ptr, ptr undef, align 8, !dbg !745 br i1 %arg, label %if.then.i851, label %if.end.i856, !dbg !746 47 if.then.i851: ; preds = %entry48 %.pre1038 = load ptr, ptr undef, align 8, !dbg !749 %3 = bitcast ptr %this to ptr, !dbg !750 %sunkaddr = getelementptr inbounds i8, ptr %3, i64 40, !dbg !751 %4 = bitcast ptr %sunkaddr to ptr, !dbg !752 %.pre1039 = load ptr, ptr %4, align 8, !dbg !753 br label %if.end.i856, !dbg !754 55 if.end.i856: ; preds = %if.then.i851, %entry56 %5 = phi ptr [ %.pre1039, %if.then.i851 ], [ undef, %entry ], !dbg !757 %6 = phi ptr [ %.pre1038, %if.then.i851 ], [ %0, %entry ], !dbg !758 %sub.i.i.i853 = sub nsw i64 0, %__n, !dbg !759 %add.ptr.i.i.i.i859 = getelementptr inbounds ptr, ptr %1, i64 %sub.i.i.i853, !dbg !760 store ptr %6, ptr undef, align 8, !dbg !761 %7 = bitcast ptr %__pos to ptr, !dbg !762 %sunkaddr1 = getelementptr inbounds i8, ptr %7, i64 24, !dbg !763 %8 = bitcast ptr %sunkaddr1 to ptr, !dbg !764 store ptr %5, ptr %8, align 8, !dbg !765 %9 = bitcast ptr %this to ptr, !dbg !766 %sunkaddr2 = getelementptr inbounds i8, ptr %9, i64 16, !dbg !767 %10 = bitcast ptr %sunkaddr2 to ptr, !dbg !768 %11 = load ptr, ptr %10, align 8, !dbg !769 %12 = load ptr, ptr undef, align 8, !dbg !770 %13 = bitcast ptr %this to ptr, !dbg !771 %sunkaddr3 = getelementptr inbounds i8, ptr %13, i64 40, !dbg !772 %14 = bitcast ptr %sunkaddr3 to ptr, !dbg !773 %15 = load ptr, ptr %14, align 8, !dbg !774 br i1 %arg, label %if.then.i.i775, label %cond.true.i.i777, !dbg !775 76 if.then.i.i775: ; preds = %if.end.i85677 %add.ptr.i.i774 = getelementptr inbounds ptr, ptr %11, i64 %__n, !dbg !778 br label %_ZNKSt15_Deque_iteratorIPN4llvm4LoopERS2_PS2_EplEl.exit796, !dbg !779 80 cond.true.i.i777: ; preds = %if.end.i85681 %16 = load ptr, ptr undef, align 8, !dbg !782 %.pre1043 = ptrtoint ptr %16 to i64, !dbg !783 br label %_ZNKSt15_Deque_iteratorIPN4llvm4LoopERS2_PS2_EplEl.exit79684 85 _ZNKSt15_Deque_iteratorIPN4llvm4LoopERS2_PS2_EplEl.exit796: ; preds = %cond.true.i.i777, %if.then.i.i77586 %sub.ptr.rhs.cast3.i.i.i.i.i.i.i.i.i690.pre-phi = phi i64 [ undef, %if.then.i.i775 ], [ %.pre1043, %cond.true.i.i777 ], !dbg !787 %__tmp.sroa.13.0.i788 = phi ptr [ %15, %if.then.i.i775 ], [ undef, %cond.true.i.i777 ], !dbg !788 %__tmp.sroa.10.0.i789 = phi ptr [ %12, %if.then.i.i775 ], [ undef, %cond.true.i.i777 ], !dbg !789 %storemerge.i.i791 = phi ptr [ %add.ptr.i.i774, %if.then.i.i775 ], [ undef, %cond.true.i.i777 ], !dbg !790 %17 = ptrtoint ptr %11 to i64, !dbg !791 %sub.ptr.lhs.cast.i.i.i.i.i.i.i.i.i685 = ptrtoint ptr %__tmp.sroa.13.0.i788 to i64, !dbg !792 %sub.ptr.rhs.cast.i.i.i.i.i.i.i.i.i686 = ptrtoint ptr %15 to i64, !dbg !793 %sub.ptr.sub.i.i.i.i.i.i.i.i.i687 = sub i64 %sub.ptr.lhs.cast.i.i.i.i.i.i.i.i.i685, %sub.ptr.rhs.cast.i.i.i.i.i.i.i.i.i686, !dbg !794 %sub.i.i.i.i.i.i.i.i.i688 = shl i64 %sub.ptr.sub.i.i.i.i.i.i.i.i.i687, 3, !dbg !795 %sub.ptr.lhs.cast2.i.i.i.i.i.i.i.i.i689 = ptrtoint ptr %storemerge.i.i791 to i64, !dbg !796 %sub.ptr.sub4.i.i.i.i.i.i.i.i.i691 = sub i64 %sub.ptr.lhs.cast2.i.i.i.i.i.i.i.i.i689, %sub.ptr.rhs.cast3.i.i.i.i.i.i.i.i.i690.pre-phi, !dbg !797 %sub.ptr.div5.i.i.i.i.i.i.i.i.i692 = ashr exact i64 %sub.ptr.sub4.i.i.i.i.i.i.i.i.i691, 3, !dbg !798 %sub.ptr.lhs.cast7.i.i.i.i.i.i.i.i.i693 = ptrtoint ptr %12 to i64, !dbg !799 %sub.ptr.sub9.i.i.i.i.i.i.i.i.i695 = sub i64 %sub.ptr.lhs.cast7.i.i.i.i.i.i.i.i.i693, %17, !dbg !7100 %sub.ptr.div10.i.i.i.i.i.i.i.i.i696 = ashr exact i64 %sub.ptr.sub9.i.i.i.i.i.i.i.i.i695, 3, !dbg !7101 %mul.i.i.i.i.i.i.i.i.i697 = add nsw i64 %sub.ptr.div10.i.i.i.i.i.i.i.i.i696, -64, !dbg !7102 %add.i.i.i.i.i.i.i.i.i698 = add i64 %mul.i.i.i.i.i.i.i.i.i697, %sub.i.i.i.i.i.i.i.i.i688, !dbg !7103 %add11.i.i.i.i.i.i.i.i.i699 = add i64 %add.i.i.i.i.i.i.i.i.i698, %sub.ptr.div5.i.i.i.i.i.i.i.i.i692, !dbg !7104 %cmp27.i.i.i.i.i.i.i.i700 = icmp sgt i64 %add11.i.i.i.i.i.i.i.i.i699, 0, !dbg !7105 br i1 %cmp27.i.i.i.i.i.i.i.i700, label %for.body.i.i.i.i.i.i.i.i711.preheader, label %_ZSt22__uninitialized_move_aISt15_Deque_iteratorIPN4llvm4LoopERS3_PS3_ES6_SaIS3_EET0_T_S9_S8_RT1_.exit737, !dbg !7106 107 for.body.i.i.i.i.i.i.i.i711.preheader: ; preds = %_ZNKSt15_Deque_iteratorIPN4llvm4LoopERS2_PS2_EplEl.exit796108 %18 = load ptr, ptr %11, align 8, !dbg !7109 store ptr %18, ptr %add.ptr.i.i.i.i859, align 8, !dbg !7110 ret void111 112 _ZSt22__uninitialized_move_aISt15_Deque_iteratorIPN4llvm4LoopERS3_PS3_ES6_SaIS3_EET0_T_S9_S8_RT1_.exit737: ; preds = %_ZNKSt15_Deque_iteratorIPN4llvm4LoopERS2_PS2_EplEl.exit796113 %19 = ptrtoint ptr %storemerge.i.i791 to i64, !dbg !7114 %20 = ptrtoint ptr %__tmp.sroa.13.0.i788 to i64, !dbg !7115 %21 = bitcast ptr %this to ptr, !dbg !7116 %sunkaddr4 = getelementptr inbounds i8, ptr %21, i64 16, !dbg !7117 %22 = bitcast ptr %sunkaddr4 to ptr, !dbg !7118 store ptr %add.ptr.i.i.i.i859, ptr %22, align 8, !dbg !7119 store ptr %2, ptr undef, align 8, !dbg !7120 store ptr %6, ptr undef, align 8, !dbg !7121 %23 = bitcast ptr %this to ptr, !dbg !7122 %sunkaddr5 = getelementptr inbounds i8, ptr %23, i64 40, !dbg !7123 %24 = bitcast ptr %sunkaddr5 to ptr, !dbg !7124 store ptr %5, ptr %24, align 8, !dbg !7125 %25 = bitcast ptr %__pos to ptr, !dbg !7126 %sunkaddr6 = getelementptr inbounds i8, ptr %25, i64 24, !dbg !7127 %26 = bitcast ptr %sunkaddr6 to ptr, !dbg !7128 %27 = load ptr, ptr %26, align 8, !dbg !7129 call void @llvm.dbg.value(metadata ptr %2, metadata !8, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64)), !dbg !7130 %sub.ptr.lhs.cast.i.i.i597 = ptrtoint ptr %27 to i64, !dbg !7131 %sub.ptr.sub.i.i.i599 = sub i64 %sub.ptr.lhs.cast.i.i.i597, %20, !dbg !7132 %sub.i.i.i600 = shl i64 %sub.ptr.sub.i.i.i599, 3, !dbg !7133 %sub.ptr.div5.i.i.i604 = ashr exact i64 undef, 3, !dbg !7134 %sub.ptr.lhs.cast7.i.i.i605 = ptrtoint ptr %__tmp.sroa.10.0.i789 to i64, !dbg !7135 %sub.ptr.sub9.i.i.i607 = sub i64 %sub.ptr.lhs.cast7.i.i.i605, %19, !dbg !7136 %sub.ptr.div10.i.i.i608 = ashr exact i64 %sub.ptr.sub9.i.i.i607, 3, !dbg !7137 %mul.i.i.i609 = add nsw i64 %sub.ptr.div10.i.i.i608, -64, !dbg !7138 %add.i.i.i610 = add nsw i64 %mul.i.i.i609, %sub.ptr.div5.i.i.i604, !dbg !7139 %add11.i.i.i611 = add i64 %add.i.i.i610, %sub.i.i.i600, !dbg !7140 %cmp68.i.i = icmp sgt i64 %add11.i.i.i611, 0, !dbg !7141 br i1 %cmp68.i.i, label %while.body.i.i625, label %_ZSt4moveIPN4llvm4LoopEESt15_Deque_iteratorIT_RS4_PS4_ES7_S7_S7_.exit, !dbg !7142 143 while.body.i.i625: ; preds = %_ZSt22__uninitialized_move_aISt15_Deque_iteratorIPN4llvm4LoopERS3_PS3_ES6_SaIS3_EET0_T_S9_S8_RT1_.exit737144 ret void145 146 _ZSt4moveIPN4llvm4LoopEESt15_Deque_iteratorIT_RS4_PS4_ES7_S7_S7_.exit: ; preds = %_ZSt22__uninitialized_move_aISt15_Deque_iteratorIPN4llvm4LoopERS3_PS3_ES6_SaIS3_EET0_T_S9_S8_RT1_.exit737147 %add.i.i.i562 = sub i64 %sub.ptr.div5.i.i.i604, %__n, !dbg !7148 %cmp.i.i.i563 = icmp sgt i64 %add.i.i.i562, -1, !dbg !7149 br i1 %cmp.i.i.i563, label %land.lhs.true.i.i.i565, label %cond.false.i.i.i572, !dbg !7150 151 land.lhs.true.i.i.i565: ; preds = %_ZSt4moveIPN4llvm4LoopEESt15_Deque_iteratorIT_RS4_PS4_ES7_S7_S7_.exit152 ret void153 154 cond.false.i.i.i572: ; preds = %_ZSt4moveIPN4llvm4LoopEESt15_Deque_iteratorIT_RS4_PS4_ES7_S7_S7_.exit155 ret void156 }157 158 ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn159 declare void @llvm.dbg.value(metadata, metadata, metadata) #0160 161 attributes #0 = { nofree nosync nounwind readnone speculatable willreturn }162 163 !llvm.module.flags = !{!0}164 !llvm.dbg.cu = !{!1}165 166 !0 = !{i32 2, !"Debug Info Version", i32 3}167 !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "beards", isOptimized: true, runtimeVersion: 4, emissionKind: FullDebug)168 !2 = !DIFile(filename: "bees.cpp", directory: "")169 !3 = distinct !DISubprogram(name: "nope", scope: !2, file: !2, line: 1, type: !4, spFlags: DISPFlagDefinition, unit: !1)170 !4 = !DISubroutineType(types: !5)171 !5 = !{!6}172 !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)173 !7 = !DILocation(line: 1, scope: !3)174 !8 = !DILocalVariable(name: "flannel", scope: !3)175 176...177---178name: _ZNSt5dequeIPN4llvm4LoopESaIS2_EE13_M_insert_auxESt15_Deque_iteratorIS2_RS2_PS2_EmRKS2_179alignment: 16180tracksRegLiveness: true181debugInstrRef: true182liveins:183 - { reg: '$rdi' }184 - { reg: '$rsi' }185 - { reg: '$rdx' }186frameInfo:187 stackSize: 48188 offsetAdjustment: -48189 maxAlignment: 8190 maxCallFrameSize: 0191 cvBytesOfCalleeSavedRegisters: 48192fixedStack:193 - { id: 0, type: spill-slot, offset: -56, size: 8, alignment: 8, callee-saved-register: '$rbx' }194 - { id: 1, type: spill-slot, offset: -48, size: 8, alignment: 16, callee-saved-register: '$r12' }195 - { id: 2, type: spill-slot, offset: -40, size: 8, alignment: 8, callee-saved-register: '$r13' }196 - { id: 3, type: spill-slot, offset: -32, size: 8, alignment: 16, callee-saved-register: '$r14' }197 - { id: 4, type: spill-slot, offset: -24, size: 8, alignment: 8, callee-saved-register: '$r15' }198 - { id: 5, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '$rbp' }199stack:200 - { id: 0, type: spill-slot, offset: -64, size: 8, alignment: 8 }201machineFunctionInfo: {}202body: |203 bb.0.entry:204 successors: %bb.2, %bb.1205 liveins: $rdi, $rdx, $rsi, $rbp, $r15, $r14, $r13, $r12, $rbx206 207 frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp, debug-location !7208 CFI_INSTRUCTION def_cfa_offset 16209 frame-setup PUSH64r killed $r15, implicit-def $rsp, implicit $rsp, debug-location !7210 CFI_INSTRUCTION def_cfa_offset 24211 frame-setup PUSH64r killed $r14, implicit-def $rsp, implicit $rsp, debug-location !7212 CFI_INSTRUCTION def_cfa_offset 32213 frame-setup PUSH64r killed $r13, implicit-def $rsp, implicit $rsp, debug-location !7214 CFI_INSTRUCTION def_cfa_offset 40215 frame-setup PUSH64r killed $r12, implicit-def $rsp, implicit $rsp, debug-location !7216 CFI_INSTRUCTION def_cfa_offset 48217 frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp, debug-location !7218 CFI_INSTRUCTION def_cfa_offset 56219 CFI_INSTRUCTION offset $rbx, -56220 CFI_INSTRUCTION offset $r12, -48221 CFI_INSTRUCTION offset $r13, -40222 CFI_INSTRUCTION offset $r14, -32223 CFI_INSTRUCTION offset $r15, -24224 CFI_INSTRUCTION offset $rbp, -16225 renamable $r10 = MOV64rm undef renamable $rax, 1, $noreg, 0, $noreg, debug-instr-number 1, debug-location !7 :: (load 8 from `ptr undef`)226 renamable $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags227 TEST8rr renamable $al, renamable $al, implicit-def $eflags, implicit killed $eax, debug-location !7228 MOV64mr $rsp, 1, $noreg, -8, $noreg, renamable $r10 :: (store 8 into %stack.0)229 JCC_1 %bb.1, 5, implicit $eflags, debug-location !7230 231 bb.2.if.then.i851:232 liveins: $rdi, $rdx, $rsi233 234 renamable $r10 = MOV64rm undef renamable $rax, 1, $noreg, 0, $noreg, debug-location !7 :: (load 8 from `ptr undef`)235 renamable $r9 = MOV64rm renamable $rdi, 1, $noreg, 40, $noreg, debug-location !7 :: (load 8 from %ir.4)236 JMP_1 %bb.3237 238 bb.1:239 liveins: $rdi, $rdx, $rsi, $r10240 241 renamable $r9 = IMPLICIT_DEF debug-location !7242 243 bb.3.if.end.i856:244 successors: %bb.4, %bb.5245 liveins: $rdi, $rdx, $rsi, $r9, $r10246 247 renamable $rax = MOV64rm renamable $rdi, 1, $noreg, 16, $noreg, debug-location !7 :: (load 8 from %ir._M_cur6.i)248 renamable $r15 = LEA64r $noreg, 8, renamable $rdx, 0, $noreg, debug-location !7249 MOV64mr undef renamable $rax, 1, $noreg, 0, $noreg, renamable $r10, debug-location !7 :: (store 8 into `ptr undef`)250 MOV64mr renamable $rsi, 1, $noreg, 24, $noreg, renamable $r9, debug-location !7 :: (store 8 into %ir.8)251 renamable $r13 = MOV64rm renamable $rdi, 1, $noreg, 16, $noreg, debug-location !7 :: (load 8 from %ir.10)252 renamable $r11 = MOV64rm renamable $rdi, 1, $noreg, 40, $noreg, debug-location !7 :: (load 8 from %ir.14)253 renamable $r8 = MOV64rm undef renamable $rax, 1, $noreg, 0, $noreg, debug-location !7 :: (load 8 from `ptr undef`)254 renamable $ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags255 TEST8rr renamable $bpl, renamable $bpl, implicit-def $eflags, implicit killed $ebp, debug-location !7256 JCC_1 %bb.5, 5, implicit killed $eflags, debug-location !7257 258 bb.4.if.then.i.i775:259 liveins: $rax, $rdi, $rdx, $rsi, $r8, $r9, $r10, $r11, $r13, $r15260 261 renamable $r14 = LEA64r renamable $r13, 8, renamable $rdx, 0, $noreg, debug-location !7262 renamable $r12 = IMPLICIT_DEF debug-location !7263 JMP_1 %bb.6264 265 bb.5.cond.true.i.i777:266 liveins: $rax, $rdi, $rdx, $rsi, $r8, $r9, $r10, $r11, $r13, $r15267 268 renamable $r12 = MOV64rm undef renamable $rax, 1, $noreg, 0, $noreg, debug-location !7 :: (load 8 from `ptr undef`)269 renamable $r14 = IMPLICIT_DEF debug-location !7270 271 bb.6._ZNKSt15_Deque_iteratorIPN4llvm4LoopERS2_PS2_EplEl.exit796:272 successors: %bb.7(0x50000000), %bb.8(0x30000000)273 liveins: $rax, $rdi, $rdx, $rsi, $r8, $r9, $r10, $r11, $r12, $r13, $r14, $r15274 275 renamable $rax = SUB64rr killed renamable $rax, killed renamable $r15, implicit-def dead $eflags, debug-location !7276 $rbp = MOV64rr $r11, debug-location !7277 renamable $rbp = SUB64rr killed renamable $rbp, renamable $r11, implicit-def dead $eflags, debug-location !7278 $rbx = MOV64rr $r14, debug-location !7279 renamable $rbx = SUB64rr killed renamable $rbx, killed renamable $r12, implicit-def dead $eflags, debug-location !7280 renamable $rbx = exact SAR64ri killed renamable $rbx, 3, implicit-def dead $eflags, debug-location !7281 $rcx = MOV64rr $r8, debug-location !7282 renamable $rcx = SUB64rr killed renamable $rcx, renamable $r13, implicit-def dead $eflags, debug-location !7283 renamable $rcx = exact SAR64ri killed renamable $rcx, 3, implicit-def dead $eflags, debug-location !7284 renamable $rcx = LEA64r killed renamable $rcx, 8, killed renamable $rbp, 0, $noreg, debug-location !7285 renamable $rcx = LEA64r killed renamable $rbx, 1, killed renamable $rcx, -64, $noreg, debug-location !7286 TEST64rr killed renamable $rcx, renamable $rcx, implicit-def $eflags, debug-location !7287 JCC_1 %bb.8, 14, implicit killed $eflags, debug-location !7288 289 bb.7.for.body.i.i.i.i.i.i.i.i711.preheader:290 liveins: $rax, $r13291 292 renamable $rcx = MOV64rm killed renamable $r13, 1, $noreg, 0, $noreg, debug-location !7 :: (load 8 from %ir.11)293 MOV64mr killed renamable $rax, 1, $noreg, 0, $noreg, killed renamable $rcx, debug-location !7 :: (store 8 into %ir.add.ptr.i.i.i.i859)294 JMP_1 %bb.10295 296 bb.8:297 successors: %bb.10(0x50000000), %bb.9(0x30000000)298 liveins: $rax, $rdi, $rdx, $rsi, $r8, $r9, $r10, $r11, $r14299 300 MOV64mr renamable $rdi, 1, $noreg, 16, $noreg, killed renamable $rax, debug-location !7 :: (store 8 into %ir.22)301 renamable $rax = MOV64rm $rsp, 1, $noreg, -8, $noreg :: (load 8 from %stack.0)302 MOV64mr undef renamable $rax, 1, $noreg, 0, $noreg, killed renamable $rax, debug-location !7 :: (store 8 into `ptr undef`)303 MOV64mr undef renamable $rax, 1, $noreg, 0, $noreg, killed renamable $r10, debug-location !7 :: (store 8 into `ptr undef`)304 MOV64mr killed renamable $rdi, 1, $noreg, 40, $noreg, killed renamable $r9, debug-location !7 :: (store 8 into %ir.24)305 renamable $rax = MOV64rm killed renamable $rsi, 1, $noreg, 24, $noreg, debug-location !7 :: (load 8 from %ir.26)306 DBG_INSTR_REF !8, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_fragment, 64, 64), dbg-instr-ref(1, 0), debug-location !7307 renamable $rax = SUB64rr killed renamable $rax, killed renamable $r11, implicit-def dead $eflags, debug-location !7308 renamable $r8 = SUB64rr killed renamable $r8, killed renamable $r14, implicit-def dead $eflags, debug-location !7309 renamable $r8 = exact SAR64ri killed renamable $r8, 3, implicit-def dead $eflags, debug-location !7310 renamable $rax = LEA64r killed renamable $r8, 8, killed renamable $rax, -64, $noreg, debug-location !7311 TEST64rr killed renamable $rax, renamable $rax, implicit-def $eflags, debug-location !7312 JCC_1 %bb.10, 15, implicit $eflags, debug-location !7313 314 bb.9:315 liveins: $rdx316 317 dead renamable $rdx = NEG64r killed renamable $rdx, implicit-def $eflags, debug-location !7318 319 bb.10.while.body.i.i625:320 $rbx = frame-destroy POP64r implicit-def $rsp, implicit $rsp321 CFI_INSTRUCTION def_cfa_offset 48322 $r12 = frame-destroy POP64r implicit-def $rsp, implicit $rsp323 CFI_INSTRUCTION def_cfa_offset 40324 $r13 = frame-destroy POP64r implicit-def $rsp, implicit $rsp325 CFI_INSTRUCTION def_cfa_offset 32326 $r14 = frame-destroy POP64r implicit-def $rsp, implicit $rsp327 CFI_INSTRUCTION def_cfa_offset 24328 $r15 = frame-destroy POP64r implicit-def $rsp, implicit $rsp329 CFI_INSTRUCTION def_cfa_offset 16330 $rbp = frame-destroy POP64r implicit-def $rsp, implicit $rsp331 CFI_INSTRUCTION def_cfa_offset 8332 RET64333 334...335