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1# RUN: llc -mtriple=x86_64-- -run-pass livedebugvalues -o - %s -experimental-debug-variable-locations=false | FileCheck %s --implicit-check-not=DBG_VALUE_LIST2#3# The MIR below moves values from argument registers to callee saved registers,4# moves that are followed by DBG_VALUEs and which should also result in5# DBG_VALUE_LISTs moving their operands.6#7# CHECK: ![[VAR:[0-9]+]] = !DILocalVariable(name: "c"8#9# CHECK-LABEL: bb.0.entry:10# CHECK: DBG_VALUE_LIST ![[VAR]], !DIExpression(DW_OP_LLVM_arg, 0,11# CHECK-SAME: DW_OP_LLVM_arg, 1, DW_OP_plus), $rdi, $rsi12# CHECK: $rbx = COPY killed $rdi13# CHECK-NEXT: DBG_VALUE_LIST ![[VAR]], !DIExpression(DW_OP_LLVM_arg, 0,14# CHECK-SAME: DW_OP_LLVM_arg, 1, DW_OP_plus), $rbx, $rsi15# CHECK-LABEL: bb.1:16# CHECK: DBG_VALUE_LIST ![[VAR]], !DIExpression(DW_OP_LLVM_arg, 0,17# CHECK-SAME: DW_OP_LLVM_arg, 1, DW_OP_plus), $rbx, $rsi18# CHECK: $rbp = COPY killed $rsi19# CHECK-NEXT: DBG_VALUE_LIST ![[VAR]], !DIExpression(DW_OP_LLVM_arg, 0,20# CHECK-SAME: DW_OP_LLVM_arg, 1, DW_OP_plus), $rbx, $rbp21# CHECK-LABEL: bb.2:22# CHECK: DBG_VALUE_LIST ![[VAR]], !DIExpression(DW_OP_LLVM_arg, 0,23# CHECK-SAME: DW_OP_LLVM_arg, 1, DW_OP_plus), $rbx, $rbp24--- |25 ; ModuleID = 'test.cpp'26 source_filename = "test.cpp"27 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"28 target triple = "x86_64-unknown-linux-gnu"29 30 ; Function Attrs: norecurse nounwind readnone uwtable31 define dso_local i32 @_Z3fooii(i32 %a, i32 %b) local_unnamed_addr !dbg !7 {32 entry:33 ret i32 0, !dbg !1734 }35 36 ; Function Attrs: nounwind readnone speculatable willreturn37 declare void @llvm.dbg.value(metadata, metadata, metadata)38 39 !llvm.dbg.cu = !{!0}40 !llvm.module.flags = !{!3, !4, !5}41 !llvm.ident = !{!6}42 43 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)44 !1 = !DIFile(filename: "test.cpp", directory: "/")45 !2 = !{}46 !3 = !{i32 7, !"Dwarf Version", i32 4}47 !4 = !{i32 2, !"Debug Info Version", i32 3}48 !5 = !{i32 1, !"wchar_size", i32 4}49 !6 = !{!"clang version 11.0.0"}50 !7 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooii", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)51 !8 = !DISubroutineType(types: !9)52 !9 = !{!10, !10, !10}53 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)54 !11 = !{!12, !13, !14}55 !12 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !1, line: 2, type: !10)56 !13 = !DILocalVariable(name: "b", arg: 2, scope: !7, file: !1, line: 2, type: !10)57 !14 = !DILocalVariable(name: "c", scope: !7, file: !1, line: 3, type: !10)58 !15 = !DILocation(line: 0, scope: !7)59 !16 = !DILocation(line: 4, column: 12, scope: !7)60 !17 = !DILocation(line: 4, column: 3, scope: !7)61 62...63---64name: _Z3fooii65fixedStack:66 - { id: 0, type: spill-slot, offset: -32, size: 8, alignment: 16, stack-id: default,67 callee-saved-register: '$rbx', callee-saved-restored: true }68 - { id: 1, type: spill-slot, offset: -16, size: 8, alignment: 16, stack-id: default,69 callee-saved-register: '$rbp', callee-saved-restored: true }70body: |71 bb.0.entry:72 liveins: $rdi, $rsi73 74 DBG_VALUE_LIST !14, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus), $rdi, $rsi, debug-location !1575 $rbx = COPY killed $rdi76 $rdi = MOV64ri 077 JMP_1 %bb.178 79 bb.1:80 liveins: $rbx, $rsi81 $rbp = COPY killed $rsi82 $rsi = MOV64ri 083 JMP_1 %bb.284 85 bb.2:86 liveins: $rbx, $rbp87 RET64 $rbp, debug-location !1788 89...90 91