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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/pointer/address_of_field.carbon
Vendored
+8 -19
View File
@@ -46,31 +46,24 @@ fn F() {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !40 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !40 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !42
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !44 {
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.b4c762864cd9a02b:core.Destroy.Core"(ptr %self) #0 !dbg !44 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self), !dbg !46
// CHECK:STDOUT: ret void, !dbg !46
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.b4c762864cd9a02b:core.Destroy.Core"(ptr %self) #0 !dbg !48 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.b4c762864cd9a02b:core.Destroy.Core"(ptr %self) #0 !dbg !48 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.b4c762864cd9a02b:core.Destroy.Core"(ptr %self), !dbg !50
// CHECK:STDOUT: ret void, !dbg !50
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.b4c762864cd9a02b:core.Destroy.Core"(ptr %self) #0 !dbg !52 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.b4c762864cd9a02b:core.Destroy.Core"(ptr %self), !dbg !54
// CHECK:STDOUT: ret void, !dbg !54
// 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:
@@ -105,20 +98,16 @@ fn F() {
// CHECK:STDOUT: !37 = !DILocalVariable(arg: 1, scope: !36, type: !20)
// CHECK:STDOUT: !38 = !DILocation(line: 16, column: 3, scope: !36)
// CHECK:STDOUT: !39 = !{!37}
// CHECK:STDOUT: !40 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 16, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !43)
// CHECK:STDOUT: !40 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 16, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !43)
// CHECK:STDOUT: !41 = !DILocalVariable(arg: 1, scope: !40, type: !20)
// CHECK:STDOUT: !42 = !DILocation(line: 16, column: 3, scope: !40)
// CHECK:STDOUT: !43 = !{!41}
// CHECK:STDOUT: !44 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 16, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !47)
// CHECK:STDOUT: !45 = !DILocalVariable(arg: 1, scope: !44, type: !20)
// CHECK:STDOUT: !44 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.b4c762864cd9a02b:core.Destroy.Core", scope: null, file: !18, line: 16, type: !23, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !47)
// CHECK:STDOUT: !45 = !DILocalVariable(arg: 1, scope: !44, type: !21)
// CHECK:STDOUT: !46 = !DILocation(line: 16, column: 3, scope: !44)
// CHECK:STDOUT: !47 = !{!45}
// CHECK:STDOUT: !48 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.b4c762864cd9a02b:core.Destroy.Core", scope: null, file: !18, line: 16, type: !23, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !51)
// CHECK:STDOUT: !48 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.b4c762864cd9a02b:core.Destroy.Core", scope: null, file: !18, line: 16, type: !23, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !51)
// CHECK:STDOUT: !49 = !DILocalVariable(arg: 1, scope: !48, type: !21)
// CHECK:STDOUT: !50 = !DILocation(line: 16, column: 3, scope: !48)
// CHECK:STDOUT: !51 = !{!49}
// CHECK:STDOUT: !52 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.b4c762864cd9a02b:core.Destroy.Core", scope: null, file: !18, line: 16, type: !23, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !55)
// CHECK:STDOUT: !53 = !DILocalVariable(arg: 1, scope: !52, type: !21)
// CHECK:STDOUT: !54 = !DILocation(line: 16, column: 3, scope: !52)
// CHECK:STDOUT: !55 = !{!53}
// CHECK:STDOUT:
toolchain/lower/testdata/pointer/address_of_unused.carbon
Vendored
+2 -13
View File
@@ -36,18 +36,11 @@ fn F() {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !35 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !35 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !37
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !39 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self), !dbg !41
// CHECK:STDOUT: ret void, !dbg !41
// 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:
@@ -73,12 +66,8 @@ fn F() {
// CHECK:STDOUT: !32 = !DILocalVariable(arg: 1, scope: !31, type: !20)
// CHECK:STDOUT: !33 = !DILocation(line: 14, column: 3, scope: !31)
// CHECK:STDOUT: !34 = !{!32}
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 14, type: !24, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !38)
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 14, type: !24, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !38)
// CHECK:STDOUT: !36 = !DILocalVariable(arg: 1, scope: !35, type: !20)
// CHECK:STDOUT: !37 = !DILocation(line: 14, column: 3, scope: !35)
// CHECK:STDOUT: !38 = !{!36}
// CHECK:STDOUT: !39 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 14, type: !24, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !42)
// CHECK:STDOUT: !40 = !DILocalVariable(arg: 1, scope: !39, type: !20)
// CHECK:STDOUT: !41 = !DILocation(line: 14, column: 3, scope: !39)
// CHECK:STDOUT: !42 = !{!40}
// CHECK:STDOUT:
toolchain/lower/testdata/pointer/basic.carbon
Vendored
+2 -13
View File
@@ -48,18 +48,11 @@ fn F() -> i32 {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !50 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !50 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !52
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !54 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self), !dbg !56
// CHECK:STDOUT: ret void, !dbg !56
// 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:
@@ -94,12 +87,8 @@ fn F() -> i32 {
// CHECK:STDOUT: !47 = !DILocalVariable(arg: 1, scope: !46, type: !20)
// CHECK:STDOUT: !48 = !DILocation(line: 18, column: 3, scope: !46)
// CHECK:STDOUT: !49 = !{!47}
// CHECK:STDOUT: !50 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 18, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !53)
// CHECK:STDOUT: !50 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 18, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !53)
// CHECK:STDOUT: !51 = !DILocalVariable(arg: 1, scope: !50, type: !20)
// CHECK:STDOUT: !52 = !DILocation(line: 18, column: 3, scope: !50)
// CHECK:STDOUT: !53 = !{!51}
// CHECK:STDOUT: !54 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 18, type: !27, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !57)
// CHECK:STDOUT: !55 = !DILocalVariable(arg: 1, scope: !54, type: !20)
// CHECK:STDOUT: !56 = !DILocation(line: 18, column: 3, scope: !54)
// CHECK:STDOUT: !57 = !{!55}
// CHECK:STDOUT: