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1# RUN: llc -run-pass=aarch64-ldst-opt -mtriple=arm64-apple-iphoneos -aarch64-load-store-renaming=true -verify-machineinstrs -o - %s | FileCheck %s2--- |3 define void @test_dbg_value1() #0 { ret void }4 define void @test_dbg_value2() #0 { ret void }5 6 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "llvm", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)7 !1 = !DIFile(filename: "dbg.ll", directory: "/tmp")8 !2 = !{}9 !5 = distinct !DISubprogram(name: "test_dbg_value", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)10 !6 = !DISubroutineType(types: !2)11 !7 = !DILocalVariable(name: "x", arg: 1, scope: !5, file: !1, line: 1, type: !8)12 !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)13 !9 = !DILocation(line: 1, column: 1, scope: !5)14 !10 = !{i32 2, !"Debug Info Version", i32 3}15 !llvm.dbg.cu = !{!0}16 !llvm.module.flags = !{!10}17---18# Check we do not crash when checking $noreg debug operands.19#20# CHECK-LABEL: name: test_dbg_value121# CHECK: bb.0:22# CHECK-NEXT: liveins: $x0, $x123# CHECK: $x10, renamable $x8 = LDPXi renamable $x0, 0 :: (load (s64))24# CHECK-NEXT: renamable $x9 = LDRXui renamable $x0, 1 :: (load (s64))25# CHECK-NEXT: STRXui renamable $x9, renamable $x0, 100 :: (store (s64), align 4)26# CHECK-NEXT: DBG_VALUE $x9, $noreg27# CHECK-NEXT: renamable $x8 = ADDXrr $x8, $x828# CHECK-NEXT: STPXi renamable $x8, killed $x10, renamable $x0, 10 :: (store (s64), align 4)29# CHECK-NEXT: RET undef $lr30name: test_dbg_value131alignment: 432tracksRegLiveness: true33liveins:34 - { reg: '$x0' }35 - { reg: '$x1' }36 - { reg: '$x8' }37frameInfo:38 maxAlignment: 139 maxCallFrameSize: 040machineFunctionInfo: {}41body: |42 bb.0:43 liveins: $x0, $x144 renamable $x9, renamable $x8 = LDPXi renamable $x0, 0 :: (load (s64))45 STRXui renamable killed $x9, renamable $x0, 11 :: (store (s64), align 4)46 renamable $x9 = LDRXui renamable $x0, 1 :: (load (s64))47 STRXui renamable $x9, renamable $x0, 100 :: (store (s64), align 4)48 DBG_VALUE $x9, $noreg, !7, !DIExpression(DW_OP_plus_uconst, 32), debug-location !949 renamable $x8 = ADDXrr $x8, $x850 STRXui renamable $x8, renamable $x0, 10 :: (store (s64), align 4)51 RET undef $lr52 53...54 55# CHECK-LABEL: name: test_dbg_value256# CHECK: bb.0:57# CHECK-NEXT: liveins: $x19, $x20, $x058 59# CHECK: $x8 = ORRXrs $xzr, $x0, 060# CHECK-NEXT: renamable $x0 = nuw ADDXri $x0, 8, 061# CHECK-NEXT: DBG_VALUE $x0, $noreg,62# CHECK-NEXT: STRXui killed renamable $x8, renamable $x19, 2 :: (store (s64))63# CHECK-NEXT: $x8 = ADDXrs renamable $x0, killed renamable $x20, 064# CHECK-NEXT: STPXi $xzr, killed renamable $x8, renamable $x19, 0 :: (store (s64))65# CHECK-NEXT: RET undef $lr, implicit $x066name: test_dbg_value267alignment: 468tracksRegLiveness: true69liveins:70 - { reg: '$x0' }71 - { reg: '$x1' }72frameInfo:73 maxAlignment: 174 maxCallFrameSize: 075machineFunctionInfo: {}76body: |77 bb.0:78 liveins: $x19, $x20, $x079 80 $x8 = ORRXrs $xzr, $x0, 081 renamable $x0 = nuw ADDXri $x0, 8, 082 DBG_VALUE $x0, $noreg, !7, !DIExpression(), debug-location !983 STRXui killed renamable $x8, renamable $x19, 2 :: (store (s64))84 $x8 = ADDXrs renamable $x0, killed renamable $x20, 085 STRXui $xzr, renamable $x19, 0 :: (store (s64))86 STRXui killed renamable $x8, killed renamable $x19, 1 :: (store (s64))87 RET undef $lr, implicit $x088...89