stp-opt-with-renaming-debug.mir
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# RUN: llc -run-pass=aarch64-ldst-opt -mtriple=arm64-apple-iphoneos -aarch64-load-store-renaming=true -verify-machineinstrs -o - %s | FileCheck %s
--- |
define void @test_dbg_value1() #0 { ret void }
define void @test_dbg_value2() #0 { ret void }
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "llvm", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "dbg.ll", directory: "/tmp")
!2 = !{}
!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)
!6 = !DISubroutineType(types: !2)
!7 = !DILocalVariable(name: "x", arg: 1, scope: !5, file: !1, line: 1, type: !8)
!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!9 = !DILocation(line: 1, column: 1, scope: !5)
!10 = !{i32 2, !"Debug Info Version", i32 3}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!10}
---
# Check we do not crash when checking $noreg debug operands.
#
# CHECK-LABEL: name: test_dbg_value1
# CHECK: bb.0:
# CHECK-NEXT: liveins: $x0, $x1
# CHECK: $x10, renamable $x8 = LDPXi renamable $x0, 0 :: (load 8)
# CHECK-NEXT: renamable $x9 = LDRXui renamable $x0, 1 :: (load 8)
# CHECK-NEXT: STRXui renamable $x9, renamable $x0, 100 :: (store 8, align 4)
# CHECK-NEXT: DBG_VALUE $x9, $noreg
# CHECK-NEXT: renamable $x8 = ADDXrr $x8, $x8
# CHECK-NEXT: STPXi renamable $x8, killed $x10, renamable $x0, 10 :: (store 8, align 4)
# CHECK-NEXT: RET undef $lr
name: test_dbg_value1
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x0' }
- { reg: '$x1' }
- { reg: '$x8' }
frameInfo:
maxAlignment: 1
maxCallFrameSize: 0
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1
renamable $x9, renamable $x8 = LDPXi renamable $x0, 0 :: (load 8)
STRXui renamable killed $x9, renamable $x0, 11 :: (store 8, align 4)
renamable $x9 = LDRXui renamable $x0, 1 :: (load 8)
STRXui renamable $x9, renamable $x0, 100 :: (store 8, align 4)
DBG_VALUE $x9, $noreg, !7, !DIExpression(DW_OP_plus_uconst, 32), debug-location !9
renamable $x8 = ADDXrr $x8, $x8
STRXui renamable $x8, renamable $x0, 10 :: (store 8, align 4)
RET undef $lr
...
# CHECK-LABEL: name: test_dbg_value2
# CHECK: bb.0:
# CHECK-NEXT: liveins: $x19, $x20, $x0
# CHECK: $x8 = ORRXrs $xzr, $x0, 0
# CHECK-NEXT: renamable $x0 = nuw ADDXri $x0, 8, 0
# CHECK-NEXT: DBG_VALUE $x0, $noreg,
# CHECK-NEXT: STRXui killed renamable $x8, renamable $x19, 2 :: (store 8)
# CHECK-NEXT: $x8 = ADDXrs renamable $x0, killed renamable $x20, 0
# CHECK-NEXT: STPXi $xzr, renamable $x8, renamable $x19, 0 :: (store 8)
# CHECK-NEXT: RET undef $lr, implicit $x0
name: test_dbg_value2
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x0' }
- { reg: '$x1' }
frameInfo:
maxAlignment: 1
maxCallFrameSize: 0
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x19, $x20, $x0
$x8 = ORRXrs $xzr, $x0, 0
renamable $x0 = nuw ADDXri $x0, 8, 0
DBG_VALUE $x0, $noreg, !7, !DIExpression(), debug-location !9
STRXui killed renamable $x8, renamable $x19, 2 :: (store 8)
$x8 = ADDXrs renamable $x0, killed renamable $x20, 0
STRXui $xzr, renamable $x19, 0 :: (store 8)
STRXui killed renamable $x8, killed renamable $x19, 1 :: (store 8)
RET undef $lr, implicit $x0
...