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Classify classes with no struct fields as trivially destructible (#7846)

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This commit is contained in:
Christopher Di Bella
2026-09-28 22:39:03 +00:00
committed by GitHub
parent e530421ba1
commit b227419d8d
227 changed files with 9144 additions and 12453 deletions
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toolchain/lower/testdata/array/array_in_place.carbon
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+13 -24
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@@ -42,44 +42,37 @@ fn G() {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !41 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !41 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !43
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !45 {
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.555b1314256372b8:core.Destroy.Core"(ptr %self) #0 !dbg !45 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self), !dbg !47
// CHECK:STDOUT: ret void, !dbg !47
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.555b1314256372b8:core.Destroy.Core"(ptr %self) #0 !dbg !49 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.555b1314256372b8:core.Destroy.Core"(ptr %self) #0 !dbg !49 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.555b1314256372b8:core.Destroy.Core"(ptr %self), !dbg !51
// CHECK:STDOUT: ret void, !dbg !51
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.555b1314256372b8:core.Destroy.Core"(ptr %self) #0 !dbg !53 {
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.133da171e935f2c5:core.Destroy.Core"(ptr %self) #0 !dbg !53 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.555b1314256372b8:core.Destroy.Core"(ptr %self), !dbg !55
// CHECK:STDOUT: ret void, !dbg !55
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.133da171e935f2c5:core.Destroy.Core"(ptr %self) #0 !dbg !57 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.133da171e935f2c5:core.Destroy.Core"(ptr %self) #0 !dbg !57 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.133da171e935f2c5:core.Destroy.Core"(ptr %self), !dbg !59
// CHECK:STDOUT: ret void, !dbg !59
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.133da171e935f2c5:core.Destroy.Core"(ptr %self) #0 !dbg !61 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.133da171e935f2c5:core.Destroy.Core"(ptr %self), !dbg !63
// CHECK:STDOUT: ret void, !dbg !63
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
// CHECK:STDOUT:
@@ -111,28 +104,24 @@ fn G() {
// CHECK:STDOUT: !38 = !DILocalVariable(arg: 1, scope: !37, type: !20)
// CHECK:STDOUT: !39 = !DILocation(line: 16, column: 3, scope: !37)
// CHECK:STDOUT: !40 = !{!38}
// CHECK:STDOUT: !41 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 16, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !44)
// CHECK:STDOUT: !41 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 16, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !44)
// CHECK:STDOUT: !42 = !DILocalVariable(arg: 1, scope: !41, type: !20)
// CHECK:STDOUT: !43 = !DILocation(line: 16, column: 3, scope: !41)
// CHECK:STDOUT: !44 = !{!42}
// CHECK:STDOUT: !45 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 16, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !48)
// CHECK:STDOUT: !46 = !DILocalVariable(arg: 1, scope: !45, type: !20)
// CHECK:STDOUT: !45 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.555b1314256372b8:core.Destroy.Core", scope: null, file: !18, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !48)
// CHECK:STDOUT: !46 = !DILocalVariable(arg: 1, scope: !45, type: !21)
// CHECK:STDOUT: !47 = !DILocation(line: 16, column: 3, scope: !45)
// CHECK:STDOUT: !48 = !{!46}
// CHECK:STDOUT: !49 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.555b1314256372b8:core.Destroy.Core", scope: null, file: !18, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !52)
// CHECK:STDOUT: !49 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.555b1314256372b8:core.Destroy.Core", scope: null, file: !18, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !52)
// CHECK:STDOUT: !50 = !DILocalVariable(arg: 1, scope: !49, type: !21)
// CHECK:STDOUT: !51 = !DILocation(line: 16, column: 3, scope: !49)
// CHECK:STDOUT: !52 = !{!50}
// CHECK:STDOUT: !53 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.555b1314256372b8:core.Destroy.Core", scope: null, file: !18, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !56)
// CHECK:STDOUT: !53 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.133da171e935f2c5:core.Destroy.Core", scope: null, file: !18, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !56)
// CHECK:STDOUT: !54 = !DILocalVariable(arg: 1, scope: !53, type: !21)
// CHECK:STDOUT: !55 = !DILocation(line: 16, column: 3, scope: !53)
// CHECK:STDOUT: !56 = !{!54}
// CHECK:STDOUT: !57 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.133da171e935f2c5:core.Destroy.Core", scope: null, file: !18, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !60)
// CHECK:STDOUT: !57 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.133da171e935f2c5:core.Destroy.Core", scope: null, file: !18, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !60)
// CHECK:STDOUT: !58 = !DILocalVariable(arg: 1, scope: !57, type: !21)
// CHECK:STDOUT: !59 = !DILocation(line: 16, column: 3, scope: !57)
// CHECK:STDOUT: !60 = !{!58}
// CHECK:STDOUT: !61 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.133da171e935f2c5:core.Destroy.Core", scope: null, file: !18, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !64)
// CHECK:STDOUT: !62 = !DILocalVariable(arg: 1, scope: !61, type: !21)
// CHECK:STDOUT: !63 = !DILocation(line: 16, column: 3, scope: !61)
// CHECK:STDOUT: !64 = !{!62}
// CHECK:STDOUT: