| # 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 (s64)) |
| # CHECK-NEXT: renamable $x9 = LDRXui renamable $x0, 1 :: (load (s64)) |
| # CHECK-NEXT: STRXui renamable $x9, renamable $x0, 100 :: (store (s64), 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 (s64), 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 (s64)) |
| STRXui renamable killed $x9, renamable $x0, 11 :: (store (s64), align 4) |
| renamable $x9 = LDRXui renamable $x0, 1 :: (load (s64)) |
| STRXui renamable $x9, renamable $x0, 100 :: (store (s64), 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 (s64), 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 (s64)) |
| # CHECK-NEXT: $x8 = ADDXrs renamable $x0, killed renamable $x20, 0 |
| # CHECK-NEXT: STPXi $xzr, renamable $x8, renamable $x19, 0 :: (store (s64)) |
| # 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 (s64)) |
| $x8 = ADDXrs renamable $x0, killed renamable $x20, 0 |
| STRXui $xzr, renamable $x19, 0 :: (store (s64)) |
| STRXui killed renamable $x8, killed renamable $x19, 1 :: (store (s64)) |
| RET undef $lr, implicit $x0 |
| ... |