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[Debug Info] Remove the mostly unused FragmentType from DebugTypeInfo

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This cleanup allows for more consistent debug info emission since we depend less
on IRGen magic to emit debug info for types.
This commit is contained in:
Adrian Prantl
2025-01-27 17:26:56 -08:00
parent 266fa2af41
commit e70a3443e9
14 changed files with 102 additions and 142 deletions
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4
test/DebugInfo/BoundGenericStruct.swift
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@@ -10,7 +10,7 @@ public let s = S<Int>(t: 0)
// CHECK-SAME: templateParams: ![[PARAMS:[0-9]+]]
// CHECK: ![[PARAMS]] = !{![[INTPARAM:[0-9]+]]}
// CHECK: ![[INTPARAM]] = !DITemplateTypeParameter(type: ![[INT:[0-9]+]])
// CHECK: ![[INT]] = !DICompositeType(tag: DW_TAG_structure_type, name: "$sSiD",
// CHECK: ![[INT]] = !DICompositeType(tag: DW_TAG_structure_type, {{.*}}identifier: "$sSiD"
// DWARF: !DICompositeType(tag: DW_TAG_structure_type,
@@ -56,4 +56,4 @@ public let inner = S2<Double>.Inner(t:4.2)
// DWARF: ![[ELEMENTS1]] = !{![[ELEMENTS2:[0-9]+]]}
// DWARF: ![[ELEMENTS2]] = !DIDerivedType(tag: DW_TAG_member, name: "t", scope: !27, file: !3, baseType: ![[GENERIC_PARAM_TYPE]])
// DWARF: ![[ELEMENTS2]] = !DIDerivedType(tag: DW_TAG_member, name: "t", {{.*}}, baseType: ![[GENERIC_PARAM_TYPE]])

2
test/DebugInfo/PrivateDiscriminator.swift
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@@ -7,7 +7,7 @@
// RUN: %target-swift-frontend %S/../Inputs/empty.swift -primary-file %s \
// RUN: -emit-ir -g | %FileCheck %s
// CHECK: !DICompileUnit({{.*}}flags: {{[^,]*}}-private-discriminator [[DISCRIMINATOR:_[A-Z0-9]+]]
// CHECK: ![[MOD:.*]] = !DIModule(scope: null,
// CHECK: ![[MOD:.*]] = !DIModule(scope: null, name: "empty"
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "InA",
// CHECK-SAME: scope: ![[A:[0-9]+]],
// CHECK: ![[A]] = !DICompositeType(tag: DW_TAG_structure_type, name: "A",

2
test/DebugInfo/fnptr.swift
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@@ -27,7 +27,7 @@ func main() -> Int64 {
// CHECK-DAG: ![[BAZPTR]] = !DIDerivedType(tag: DW_TAG_pointer_type,{{.*}} baseType: ![[BAZT:[0-9]+]]
// CHECK-DAG: ![[BAZT]] = !DISubroutineType(types: ![[BAZARGS:.*]])
// CHECK-DAG: ![[BAZARGS]] = !{![[INT:.*]], ![[FLOAT:.*]]}
// CHECK-DAG: ![[INT]] = {{.*}}name: "$ss5Int64VD"
// CHECK-DAG: ![[INT]] = {{.*}}identifier: "$ss5Int64VD"
// CHECK-DAG: ![[FLOAT]] = {{.*}}identifier: "$sSfD"
var baz_fnptr = baz
baz_fnptr(2.89)

17
test/DebugInfo/generic_arg5.swift
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@@ -12,17 +12,14 @@ public func foo<Type>(_ values : [S<Type>])
// CHECK-SAME: ![[ARG:[0-9]+]],
// CHECK-SAME: !DIExpression(DW_OP_deref)
// CHECK: store ptr %1, ptr %[[ALLOCA]], align
// CHECK: ![[TYP:[0-9]+]] = !DICompositeType({{.*}}, name: "$s12generic_arg51SVyxGD"
// CHECK-DAG: ![[TYP:[0-9]+]] = !DICompositeType({{.*}}, name: "$s12generic_arg51SVyxGD"
// The argument is a by-ref struct and thus needs to be dereferenced.
// CHECK: ![[ARG]] = !DILocalVariable(name: "arg", arg: 1,
// CHECK-SAME: line: [[@LINE+8]],
// CHECK-SAME: type: ![[LET_TYP:[0-9]+]])
// CHECK: ![[LET_TYP]] = !DIDerivedType(tag: DW_TAG_const_type,
// CHECK-SAME: baseType: ![[TYP_CONTAINER:[0-9]+]])
// CHECK: ![[TYP_CONTAINER]] = !DICompositeType({{.*}}elements: ![[TYP_ELTS:[0-9]+]]
// CHECK: ![[TYP_ELTS]] = !{![[TYP_MEMBER:[0-9]+]]}
// CHECK: ![[TYP_MEMBER]] = !DIDerivedType(tag: DW_TAG_member, {{.*}}baseType: ![[TYP_:[0-9]+]]
// CHECK: ![[TYP_]] = !DICompositeType({{.*}}, name: "$s12generic_arg51SVyxGD"
// CHECK-DAG: ![[ARG]] = !DILocalVariable(name: "arg", arg: 1,{{.*}}line: [[@LINE+6]],{{.*}} type: ![[LET_TYP:[0-9]+]])
// CHECK-DAG: ![[LET_TYP]] = !DIDerivedType(tag: DW_TAG_const_type,{{.*}} baseType: ![[TYP_CONTAINER:[0-9]+]])
// CHECK-DAG: ![[TYP_CONTAINER]] = !DICompositeType({{.*}}elements: ![[TYP_ELTS:[0-9]+]]
// CHECK-DAG: ![[TYP_ELTS]] = !{![[TYP_MEMBER:[0-9]+]]}
// CHECK-DAG: ![[TYP_MEMBER]] = !DIDerivedType(tag: DW_TAG_member, {{.*}}baseType: ![[TYP_:[0-9]+]]
// CHECK-DAG: ![[TYP_]] = !DICompositeType({{.*}}, name: "$s12generic_arg51SVyxGD"
let _ = values.flatMap { arg in
return .some(arg)
}

8
test/DebugInfo/local_type_originally_defined_in.swift
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@@ -7,7 +7,7 @@ import local_type_originally_defined_in_other
public func definedInOtherModule() {
let s = Sheep()
// CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "Sheep"{{.*}}identifier: "$s4Barn5SheepCD
// CHECK-DAG: DICompositeType(tag: DW_TAG_structure_type, name: "Sheep"{{.*}}identifier: "$s4Barn5SheepCD
}
public func localTypeAliasTest(horse: Horse) {
// The local type mangling for 'A' mentions 'Horse', which must
@@ -18,7 +18,7 @@ public func localTypeAliasTest(horse: Horse) {
let info = UnsafeMutablePointer<A>.allocate(capacity: 1)
_ = info
// CHECK: DIDerivedType(tag: DW_TAG_typedef, name: "$s32local_type_originally_defined_in0A13TypeAliasTest5horsey4Barn5HorseV_tF1AL_aD"
// CHECK-DAG: DIDerivedType(tag: DW_TAG_typedef, name: "$s32local_type_originally_defined_in0A13TypeAliasTest5horsey4Barn5HorseV_tF1AL_aD"
}
@@ -31,7 +31,7 @@ public func localTypeTest(horse: Horse) {
let info = UnsafeMutablePointer<LocalStruct>.allocate(capacity: 1)
_ = info
// CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "$s32local_type_originally_defined_in0A8TypeTest5horsey4Barn5HorseV_tF11LocalStructL_VD"
// CHECK-DAG: DICompositeType(tag: DW_TAG_structure_type, {{.*}}identifier: "$s32local_type_originally_defined_in0A8TypeTest5horsey4Barn5HorseV_tF11LocalStructL_VD"
}
public func localTypeAliasTest() -> Horse {
@@ -40,7 +40,7 @@ public func localTypeAliasTest() -> Horse {
let info = UnsafeMutablePointer<B>.allocate(capacity: 1)
_ = info
return Horse()
// CHECK: DIDerivedType(tag: DW_TAG_typedef, name: "$s32local_type_originally_defined_in0A13TypeAliasTest4Barn5HorseVyF1BL_aD"
// CHECK-DAG: DIDerivedType(tag: DW_TAG_typedef, name: "$s32local_type_originally_defined_in0A13TypeAliasTest4Barn5HorseVyF1BL_aD"
}
public func localTypeAliasTestGeneric<T: Cow>(cow: T) {

5
test/DebugInfo/protocol-extension.swift
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@@ -15,6 +15,5 @@ public extension P {
}
}
// CHECK: ![[SELFMETA]] = !DILocalVariable(name: "$\CF\84_0_0",
// CHECK-SAME: type: ![[SELFTY:[0-9]+]], flags: DIFlagArtificial)
// CHECK: ![[SELFTY]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Self"
// CHECK-DAG: ![[SELFMETA]] = !DILocalVariable(name: "$\CF\84_0_0", {{.*}}type: ![[SELFTY:[0-9]+]], flags: DIFlagArtificial)
// CHECK-DAG: ![[SELFTY]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Self"

2
test/DebugInfo/test-foundation.swift
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@@ -18,7 +18,7 @@ class MyObject : NSObject {
// LOC-CHECK: ret
@objc var MyArr = NSArray()
// IMPORT-CHECK: filename: "{{.*}}test-foundation.swift"
// IMPORT-CHECK-DAG: [[FOUNDATION:[0-9]+]] = !DIModule({{.*}} name: "Foundation",{{.*}} includePath: {{.*}}Foundation.framework
// IMPORT-CHECK-DAG: [[FOUNDATION:[0-9]+]] = !DIModule({{.*}} name: "Foundation",{{.*}} includePath: {{.*}}Foundation.framework"
// IMPORT-CHECK-DAG: [[OVERLAY:[0-9]+]] = !DIModule({{.*}} name: "Foundation",{{.*}} includePath: {{.*}}Foundation.swiftmodule
// IMPORT-CHECK-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "NSArray", scope: ![[NSARRAY:[0-9]+]]
// IMPORT-CHECK-DAG: ![[NSARRAY]] = !DIModule(scope: ![[FOUNDATION:[0-9]+]], name: "NSArray"

9
test/DebugInfo/typearg.swift
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@@ -9,12 +9,9 @@ class AClass : AProtocol {
// CHECK: define hidden {{.*}}void @{{.*}}aFunction
// CHECK: #dbg_declare(ptr %{{.*}}, ![[TYPEARG:.*]], !DIExpression(),
// CHECK: ![[TYPEARG]] = !DILocalVariable(name: "$\CF\84_0_0"
// CHECK-SAME: type: ![[SWIFTMETATYPE:[^,)]+]]
// CHECK-SAME: flags: DIFlagArtificial
// CHECK: ![[SWIFTMETATYPE]] = !DIDerivedType(tag: DW_TAG_typedef, name: "T",
// CHECK-SAME: baseType: ![[VOIDPTR:[0-9]+]]
// CHECK: ![[VOIDPTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, name: "$sBpD", baseType: null
// CHECK-DAG: ![[TYPEARG]] = !DILocalVariable(name: "$\CF\84_0_0"{{.*}}type: ![[SWIFTMETATYPE:[^,)]+]]{{.*}}flags: DIFlagArtificial
// CHECK-DAG: ![[SWIFTMETATYPE]] = !DIDerivedType(tag: DW_TAG_typedef, name: "T",{{.*}}baseType: ![[VOIDPTR:[0-9]+]]
// CHECK-DAG: ![[VOIDPTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, name: "$sBpD", baseType: null
func aFunction<T : AProtocol>(_ x: T) {
print("I am in aFunction: \(x.f())")
}

4
test/DebugInfo/value-generics.swift
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@@ -10,7 +10,7 @@ struct Slab<let N: Int, Element: ~Copyable>: ~Copyable {
extension Slab: Copyable where Element: Copyable {}
// CHECK-DAG: !DICompositeType({{.*}}name: "Builtin.FixedArray", {{.*}}identifier: "$sxq_BVD"
// CHECK-DAG: !DICompositeType({{.*}}name: "$sxq_BVD"
func genericBA<let N: Int, Element>(_: Builtin.FixedArray<N, Element>) {}
// CHECK-DAG: !DICompositeType({{.*}}name: "$s4main4SlabVyxq_GD"
@@ -24,5 +24,5 @@ func concreteBA(_: Builtin.FixedArray<4, Int>) {}
// CHECK-DAG: ![[COUNT_PARAM]] = !DITemplateTypeParameter(type: ![[COUNT_TYPE:.*]])
// CHECK-DAG: ![[COUNT_TYPE]] = !DICompositeType({{.*}}name: "$s$1_D"
// CHECK-DAG: ![[ELEMENT_PARAM]] = !DITemplateTypeParameter(type: ![[ELEMENT_TYPE:.*]])
// CHECK-DAG: ![[ELEMENT_TYPE]] = !DICompositeType({{.*}}name: "$sSiD"
// CHECK-DAG: ![[ELEMENT_TYPE]] = !DICompositeType({{.*}}identifier: "$sSiD"
func concreteV(_: Slab<2, Int>) {}