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

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
@@ -65,96 +65,82 @@ fn M(ptr_i32: i32*, ptr_f64: f64*) {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !29 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !29 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !31
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !33 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.7945ecba5c505fc0:core.Destroy.Core"(ptr %self) #0 !dbg !33 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self), !dbg !35
// CHECK:STDOUT: ret void, !dbg !35
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.7945ecba5c505fc0:core.Destroy.Core"(ptr %self) #0 !dbg !37 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core"(ptr %self) #0 !dbg !37 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !39
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.dc14d4dd21801791:core.Destroy.Core"(ptr %self) #0 !dbg !41 {
// CHECK:STDOUT: define linkonce_odr void @_CF.Main.4d9f279dbc2b9f6f(ptr %x) #0 !dbg !41 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !43
// CHECK:STDOUT: %A.call = call %type.0 @_CA.Main.c3359c2c217ad593(%type.0 zeroinitializer), !dbg !44
// CHECK:STDOUT: call void @_CB.Main.4d9f279dbc2b9f6f(ptr %x), !dbg !48
// CHECK:STDOUT: ret void, !dbg !49
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core"(ptr %self) #0 !dbg !45 {
// CHECK:STDOUT: define linkonce_odr void @_CF.Main.cfa50e0c7743522e(ptr %x) #0 !dbg !51 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.dc14d4dd21801791: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 linkonce_odr void @_CF.Main.4d9f279dbc2b9f6f(ptr %x) #0 !dbg !49 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %A.call = call %type.0 @_CA.Main.c3359c2c217ad593(%type.0 zeroinitializer), !dbg !52
// CHECK:STDOUT: call void @_CB.Main.4d9f279dbc2b9f6f(ptr %x), !dbg !56
// CHECK:STDOUT: %A.call = call %type.0 @_CA.Main.c3359c2c217ad593(%type.0 zeroinitializer), !dbg !54
// CHECK:STDOUT: call void @_CB.Main.cfa50e0c7743522e(ptr %x), !dbg !56
// CHECK:STDOUT: ret void, !dbg !57
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CF.Main.cfa50e0c7743522e(ptr %x) #0 !dbg !59 {
// CHECK:STDOUT: define linkonce_odr %type.0 @_CA.Main.c3359c2c217ad593(%type.0 %x) #0 !dbg !59 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %A.call = call %type.0 @_CA.Main.c3359c2c217ad593(%type.0 zeroinitializer), !dbg !62
// CHECK:STDOUT: call void @_CB.Main.cfa50e0c7743522e(ptr %x), !dbg !64
// CHECK:STDOUT: ret void, !dbg !65
// CHECK:STDOUT: ret %type.0 %x, !dbg !65
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr %type.0 @_CA.Main.c3359c2c217ad593(%type.0 %x) #0 !dbg !67 {
// CHECK:STDOUT: define linkonce_odr void @_CB.Main.4d9f279dbc2b9f6f(ptr %x) #0 !dbg !67 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret %type.0 %x, !dbg !73
// CHECK:STDOUT: %.loc34_7.3.temp = alloca i32, align 4, !dbg !72
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc34_7.3.temp), !dbg !72
// CHECK:STDOUT: %.loc34_5.2 = load i32, ptr %x, align 4, !dbg !71
// CHECK:STDOUT: %D.call = call i32 @_CD.Main.4d6ceefeb7f772f4(i32 %.loc34_5.2), !dbg !72
// CHECK:STDOUT: store i32 %D.call, ptr %.loc34_7.3.temp, align 4, !dbg !72
// CHECK:STDOUT: call void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %.loc34_7.3.temp), !dbg !72
// CHECK:STDOUT: ret void, !dbg !75
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CB.Main.4d9f279dbc2b9f6f(ptr %x) #0 !dbg !75 {
// CHECK:STDOUT: define linkonce_odr void @_CB.Main.cfa50e0c7743522e(ptr %x) #0 !dbg !77 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc34_7.3.temp = alloca i32, align 4, !dbg !80
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc34_7.3.temp), !dbg !80
// CHECK:STDOUT: %.loc34_5.2 = load i32, ptr %x, align 4, !dbg !79
// CHECK:STDOUT: %D.call = call i32 @_CD.Main.4d6ceefeb7f772f4(i32 %.loc34_5.2), !dbg !80
// CHECK:STDOUT: store i32 %D.call, ptr %.loc34_7.3.temp, align 4, !dbg !80
// CHECK:STDOUT: call void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %.loc34_7.3.temp), !dbg !80
// CHECK:STDOUT: %.loc34_7.3.temp = alloca double, align 8, !dbg !82
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc34_7.3.temp), !dbg !82
// CHECK:STDOUT: %.loc34_5.2 = load double, ptr %x, align 8, !dbg !81
// CHECK:STDOUT: %D.call = call double @_CD.Main.c5e4ba542a56b71f(double %.loc34_5.2), !dbg !82
// CHECK:STDOUT: store double %D.call, ptr %.loc34_7.3.temp, align 8, !dbg !82
// CHECK:STDOUT: call void @"_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core"(ptr %.loc34_7.3.temp), !dbg !82
// CHECK:STDOUT: ret void, !dbg !83
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CB.Main.cfa50e0c7743522e(ptr %x) #0 !dbg !85 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc34_7.3.temp = alloca double, align 8, !dbg !90
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc34_7.3.temp), !dbg !90
// CHECK:STDOUT: %.loc34_5.2 = load double, ptr %x, align 8, !dbg !89
// CHECK:STDOUT: %D.call = call double @_CD.Main.c5e4ba542a56b71f(double %.loc34_5.2), !dbg !90
// CHECK:STDOUT: store double %D.call, ptr %.loc34_7.3.temp, align 8, !dbg !90
// CHECK:STDOUT: call void @"_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core"(ptr %.loc34_7.3.temp), !dbg !90
// CHECK:STDOUT: ret void, !dbg !91
// 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:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr i32 @_CD.Main.4d6ceefeb7f772f4(i32 %x) #0 !dbg !93 {
// CHECK:STDOUT: define linkonce_odr i32 @_CD.Main.4d6ceefeb7f772f4(i32 %x) #0 !dbg !85 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret i32 %x, !dbg !99
// CHECK:STDOUT: ret i32 %x, !dbg !91
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr double @_CD.Main.c5e4ba542a56b71f(double %x) #0 !dbg !101 {
// CHECK:STDOUT: define linkonce_odr double @_CD.Main.c5e4ba542a56b71f(double %x) #0 !dbg !93 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret double %x, !dbg !107
// CHECK:STDOUT: ret double %x, !dbg !99
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
@@ -190,64 +176,56 @@ fn M(ptr_i32: i32*, ptr_f64: f64*) {
// CHECK:STDOUT: !26 = !DILocalVariable(arg: 1, scope: !25, type: !6)
// CHECK:STDOUT: !27 = !DILocation(line: 43, column: 3, scope: !25)
// CHECK:STDOUT: !28 = !{!26}
// CHECK:STDOUT: !29 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core", scope: null, file: !4, line: 43, type: !11, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !32)
// CHECK:STDOUT: !29 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !4, line: 43, type: !11, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !32)
// CHECK:STDOUT: !30 = !DILocalVariable(arg: 1, scope: !29, type: !6)
// CHECK:STDOUT: !31 = !DILocation(line: 43, column: 3, scope: !29)
// CHECK:STDOUT: !32 = !{!30}
// CHECK:STDOUT: !33 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !4, line: 43, type: !11, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !36)
// CHECK:STDOUT: !34 = !DILocalVariable(arg: 1, scope: !33, type: !6)
// CHECK:STDOUT: !35 = !DILocation(line: 43, column: 3, scope: !33)
// CHECK:STDOUT: !33 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.7945ecba5c505fc0:core.Destroy.Core", scope: null, file: !4, line: 44, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !36)
// CHECK:STDOUT: !34 = !DILocalVariable(arg: 1, scope: !33, type: !7)
// CHECK:STDOUT: !35 = !DILocation(line: 44, column: 3, scope: !33)
// CHECK:STDOUT: !36 = !{!34}
// CHECK:STDOUT: !37 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.7945ecba5c505fc0:core.Destroy.Core", scope: null, file: !4, line: 44, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !40)
// CHECK:STDOUT: !37 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core", scope: null, file: !4, line: 44, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !40)
// CHECK:STDOUT: !38 = !DILocalVariable(arg: 1, scope: !37, type: !7)
// CHECK:STDOUT: !39 = !DILocation(line: 44, column: 3, scope: !37)
// CHECK:STDOUT: !40 = !{!38}
// CHECK:STDOUT: !41 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.dc14d4dd21801791:core.Destroy.Core", scope: null, file: !4, line: 44, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !44)
// CHECK:STDOUT: !41 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.4d9f279dbc2b9f6f", scope: null, file: !4, line: 37, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !50)
// CHECK:STDOUT: !42 = !DILocalVariable(arg: 1, scope: !41, type: !7)
// CHECK:STDOUT: !43 = !DILocation(line: 44, column: 3, scope: !41)
// CHECK:STDOUT: !44 = !{!42}
// CHECK:STDOUT: !45 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core", scope: null, file: !4, line: 44, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !48)
// CHECK:STDOUT: !46 = !DILocalVariable(arg: 1, scope: !45, type: !7)
// CHECK:STDOUT: !47 = !DILocation(line: 44, column: 3, scope: !45)
// CHECK:STDOUT: !48 = !{!46}
// CHECK:STDOUT: !49 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.4d9f279dbc2b9f6f", scope: null, file: !4, line: 37, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !58)
// CHECK:STDOUT: !50 = !DILocalVariable(arg: 1, scope: !49, type: !7)
// CHECK:STDOUT: !52 = !DILocation(line: 38, column: 3, scope: !49)
// CHECK:STDOUT: !53 = !{!7, !7}
// CHECK:STDOUT: !54 = !DISubroutineType(types: !53)
// CHECK:STDOUT: !56 = !DILocation(line: 39, column: 3, scope: !49)
// CHECK:STDOUT: !57 = !DILocation(line: 37, column: 1, scope: !49)
// CHECK:STDOUT: !58 = !{!50}
// CHECK:STDOUT: !59 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.cfa50e0c7743522e", scope: null, file: !4, line: 37, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !66)
// CHECK:STDOUT: !44 = !DILocation(line: 38, column: 3, scope: !41)
// CHECK:STDOUT: !45 = !{!7, !7}
// CHECK:STDOUT: !46 = !DISubroutineType(types: !45)
// CHECK:STDOUT: !48 = !DILocation(line: 39, column: 3, scope: !41)
// CHECK:STDOUT: !49 = !DILocation(line: 37, column: 1, scope: !41)
// CHECK:STDOUT: !50 = !{!42}
// CHECK:STDOUT: !51 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.cfa50e0c7743522e", scope: null, file: !4, line: 37, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !58)
// CHECK:STDOUT: !52 = !DILocalVariable(arg: 1, scope: !51, type: !7)
// CHECK:STDOUT: !54 = !DILocation(line: 38, column: 3, scope: !51)
// CHECK:STDOUT: !56 = !DILocation(line: 39, column: 3, scope: !51)
// CHECK:STDOUT: !57 = !DILocation(line: 37, column: 1, scope: !51)
// CHECK:STDOUT: !58 = !{!52}
// CHECK:STDOUT: !59 = distinct !DISubprogram(name: "A", linkageName: "_CA.Main.c3359c2c217ad593", scope: null, file: !4, line: 25, type: !46, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !66)
// CHECK:STDOUT: !60 = !DILocalVariable(arg: 1, scope: !59, type: !7)
// CHECK:STDOUT: !62 = !DILocation(line: 38, column: 3, scope: !59)
// CHECK:STDOUT: !64 = !DILocation(line: 39, column: 3, scope: !59)
// CHECK:STDOUT: !65 = !DILocation(line: 37, column: 1, scope: !59)
// CHECK:STDOUT: !65 = !DILocation(line: 26, column: 3, scope: !59)
// CHECK:STDOUT: !66 = !{!60}
// CHECK:STDOUT: !67 = distinct !DISubprogram(name: "A", linkageName: "_CA.Main.c3359c2c217ad593", scope: null, file: !4, line: 25, type: !54, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !74)
// CHECK:STDOUT: !67 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.4d9f279dbc2b9f6f", scope: null, file: !4, line: 33, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !76)
// CHECK:STDOUT: !68 = !DILocalVariable(arg: 1, scope: !67, type: !7)
// CHECK:STDOUT: !73 = !DILocation(line: 26, column: 3, scope: !67)
// CHECK:STDOUT: !74 = !{!68}
// CHECK:STDOUT: !75 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.4d9f279dbc2b9f6f", scope: null, file: !4, line: 33, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !84)
// CHECK:STDOUT: !76 = !DILocalVariable(arg: 1, scope: !75, type: !7)
// CHECK:STDOUT: !79 = !DILocation(line: 34, column: 5, scope: !75)
// CHECK:STDOUT: !80 = !DILocation(line: 34, column: 3, scope: !75)
// CHECK:STDOUT: !81 = !{!6, !6}
// CHECK:STDOUT: !82 = !DISubroutineType(types: !81)
// CHECK:STDOUT: !83 = !DILocation(line: 33, column: 1, scope: !75)
// CHECK:STDOUT: !84 = !{!76}
// CHECK:STDOUT: !85 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.cfa50e0c7743522e", scope: null, file: !4, line: 33, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !92)
// CHECK:STDOUT: !86 = !DILocalVariable(arg: 1, scope: !85, type: !7)
// CHECK:STDOUT: !89 = !DILocation(line: 34, column: 5, scope: !85)
// CHECK:STDOUT: !90 = !DILocation(line: 34, column: 3, scope: !85)
// CHECK:STDOUT: !91 = !DILocation(line: 33, column: 1, scope: !85)
// CHECK:STDOUT: !71 = !DILocation(line: 34, column: 5, scope: !67)
// CHECK:STDOUT: !72 = !DILocation(line: 34, column: 3, scope: !67)
// CHECK:STDOUT: !73 = !{!6, !6}
// CHECK:STDOUT: !74 = !DISubroutineType(types: !73)
// CHECK:STDOUT: !75 = !DILocation(line: 33, column: 1, scope: !67)
// CHECK:STDOUT: !76 = !{!68}
// CHECK:STDOUT: !77 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.cfa50e0c7743522e", scope: null, file: !4, line: 33, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !84)
// CHECK:STDOUT: !78 = !DILocalVariable(arg: 1, scope: !77, type: !7)
// CHECK:STDOUT: !81 = !DILocation(line: 34, column: 5, scope: !77)
// CHECK:STDOUT: !82 = !DILocation(line: 34, column: 3, scope: !77)
// CHECK:STDOUT: !83 = !DILocation(line: 33, column: 1, scope: !77)
// CHECK:STDOUT: !84 = !{!78}
// CHECK:STDOUT: !85 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.4d6ceefeb7f772f4", scope: null, file: !4, line: 29, type: !74, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !92)
// CHECK:STDOUT: !86 = !DILocalVariable(arg: 1, scope: !85, type: !6)
// CHECK:STDOUT: !91 = !DILocation(line: 30, column: 3, scope: !85)
// CHECK:STDOUT: !92 = !{!86}
// CHECK:STDOUT: !93 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.4d6ceefeb7f772f4", scope: null, file: !4, line: 29, type: !82, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !100)
// CHECK:STDOUT: !94 = !DILocalVariable(arg: 1, scope: !93, type: !6)
// CHECK:STDOUT: !93 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.c5e4ba542a56b71f", scope: null, file: !4, line: 29, type: !46, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !100)
// CHECK:STDOUT: !94 = !DILocalVariable(arg: 1, scope: !93, type: !7)
// CHECK:STDOUT: !99 = !DILocation(line: 30, column: 3, scope: !93)
// CHECK:STDOUT: !100 = !{!94}
// CHECK:STDOUT: !101 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.c5e4ba542a56b71f", scope: null, file: !4, line: 29, type: !54, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !108)
// CHECK:STDOUT: !102 = !DILocalVariable(arg: 1, scope: !101, type: !7)
// CHECK:STDOUT: !107 = !DILocation(line: 30, column: 3, scope: !101)
// CHECK:STDOUT: !108 = !{!102}
// CHECK:STDOUT: