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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/function/generic/call_basic_depth.carbon
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+29 -40
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@@ -67,44 +67,37 @@ fn M() -> 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 !45 {
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !45 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !47
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !49 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self), !dbg !51
// CHECK:STDOUT: ret void, !dbg !51
// 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 void @_CF.Main.84588f41d61dafba(i32 %_) #0 !dbg !53 {
// CHECK:STDOUT: define linkonce_odr void @_CF.Main.84588f41d61dafba(i32 %_) #0 !dbg !49 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !56
// CHECK:STDOUT: ret void, !dbg !52
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr i32 @_CG.Main.4d9f279dbc2b9f6f(i32 %x) #0 !dbg !58 {
// CHECK:STDOUT: define linkonce_odr i32 @_CG.Main.4d9f279dbc2b9f6f(i32 %x) #0 !dbg !54 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc25_6.3.temp = alloca i32, align 4, !dbg !64
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc25_6.3.temp), !dbg !64
// CHECK:STDOUT: %H.call = call i32 @_CH.Main.4d6ceefeb7f772f4(i32 %x), !dbg !64
// CHECK:STDOUT: store i32 %H.call, ptr %.loc25_6.3.temp, align 4, !dbg !64
// CHECK:STDOUT: call void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %.loc25_6.3.temp), !dbg !64
// CHECK:STDOUT: call void @_CF.Main.84588f41d61dafba(i32 %x), !dbg !66
// CHECK:STDOUT: ret i32 %x, !dbg !68
// CHECK:STDOUT: %.loc25_6.3.temp = alloca i32, align 4, !dbg !60
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc25_6.3.temp), !dbg !60
// CHECK:STDOUT: %H.call = call i32 @_CH.Main.4d6ceefeb7f772f4(i32 %x), !dbg !60
// CHECK:STDOUT: store i32 %H.call, ptr %.loc25_6.3.temp, align 4, !dbg !60
// CHECK:STDOUT: call void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %.loc25_6.3.temp), !dbg !60
// CHECK:STDOUT: call void @_CF.Main.84588f41d61dafba(i32 %x), !dbg !62
// CHECK:STDOUT: ret i32 %x, !dbg !64
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr i32 @_CH.Main.4d6ceefeb7f772f4(i32 %x) #0 !dbg !70 {
// CHECK:STDOUT: define linkonce_odr i32 @_CH.Main.4d6ceefeb7f772f4(i32 %x) #0 !dbg !66 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CF.Main.84588f41d61dafba(i32 %x), !dbg !76
// CHECK:STDOUT: ret i32 %x, !dbg !78
// CHECK:STDOUT: call void @_CF.Main.84588f41d61dafba(i32 %x), !dbg !72
// CHECK:STDOUT: ret i32 %x, !dbg !74
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
@@ -142,27 +135,23 @@ fn M() -> i32 {
// CHECK:STDOUT: !42 = !DILocalVariable(arg: 1, scope: !41, type: !20)
// CHECK:STDOUT: !43 = !DILocation(line: 35, column: 7, scope: !41)
// CHECK:STDOUT: !44 = !{!42}
// CHECK:STDOUT: !45 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 35, type: !24, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !48)
// CHECK:STDOUT: !45 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 35, type: !24, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !48)
// CHECK:STDOUT: !46 = !DILocalVariable(arg: 1, scope: !45, type: !20)
// CHECK:STDOUT: !47 = !DILocation(line: 35, column: 7, scope: !45)
// CHECK:STDOUT: !48 = !{!46}
// CHECK:STDOUT: !49 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !18, line: 35, type: !24, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !52)
// CHECK:STDOUT: !49 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.84588f41d61dafba", scope: null, file: !18, line: 16, type: !24, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !53)
// CHECK:STDOUT: !50 = !DILocalVariable(arg: 1, scope: !49, type: !20)
// CHECK:STDOUT: !51 = !DILocation(line: 35, column: 7, scope: !49)
// CHECK:STDOUT: !52 = !{!50}
// CHECK:STDOUT: !53 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.84588f41d61dafba", scope: null, file: !18, line: 16, type: !24, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !57)
// CHECK:STDOUT: !54 = !DILocalVariable(arg: 1, scope: !53, type: !20)
// CHECK:STDOUT: !56 = !DILocation(line: 16, column: 1, scope: !53)
// CHECK:STDOUT: !57 = !{!54}
// CHECK:STDOUT: !58 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.4d9f279dbc2b9f6f", scope: null, file: !18, line: 24, type: !38, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !69)
// CHECK:STDOUT: !59 = !DILocalVariable(arg: 1, scope: !58, type: !20)
// CHECK:STDOUT: !64 = !DILocation(line: 25, column: 3, scope: !58)
// CHECK:STDOUT: !66 = !DILocation(line: 26, column: 3, scope: !58)
// CHECK:STDOUT: !68 = !DILocation(line: 27, column: 3, scope: !58)
// CHECK:STDOUT: !69 = !{!59}
// CHECK:STDOUT: !70 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.4d6ceefeb7f772f4", scope: null, file: !18, line: 19, type: !38, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !79)
// CHECK:STDOUT: !71 = !DILocalVariable(arg: 1, scope: !70, type: !20)
// CHECK:STDOUT: !76 = !DILocation(line: 20, column: 3, scope: !70)
// CHECK:STDOUT: !78 = !DILocation(line: 21, column: 3, scope: !70)
// CHECK:STDOUT: !79 = !{!71}
// CHECK:STDOUT: !52 = !DILocation(line: 16, column: 1, scope: !49)
// CHECK:STDOUT: !53 = !{!50}
// CHECK:STDOUT: !54 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.4d9f279dbc2b9f6f", scope: null, file: !18, line: 24, type: !38, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !65)
// CHECK:STDOUT: !55 = !DILocalVariable(arg: 1, scope: !54, type: !20)
// CHECK:STDOUT: !60 = !DILocation(line: 25, column: 3, scope: !54)
// CHECK:STDOUT: !62 = !DILocation(line: 26, column: 3, scope: !54)
// CHECK:STDOUT: !64 = !DILocation(line: 27, column: 3, scope: !54)
// CHECK:STDOUT: !65 = !{!55}
// CHECK:STDOUT: !66 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.4d6ceefeb7f772f4", scope: null, file: !18, line: 19, type: !38, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !75)
// CHECK:STDOUT: !67 = !DILocalVariable(arg: 1, scope: !66, type: !20)
// CHECK:STDOUT: !72 = !DILocation(line: 20, column: 3, scope: !66)
// CHECK:STDOUT: !74 = !DILocation(line: 21, column: 3, scope: !66)
// CHECK:STDOUT: !75 = !{!67}
// CHECK:STDOUT: