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jckarterjckarter
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Merge pull request #42478 from asl/escape-c-pointer
[DebugInfo] Ignore noescape bit for all @convention(c) pointers
2 parents f68727f + 121e280 commit 270d100

23 files changed

+86
-86
lines changed

‎include/swift/AST/ExtInfo.h

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -358,8 +358,6 @@ class ASTExtInfoBuilder {
358358

359359
constexpr Representation getRepresentation() const {
360360
unsigned rawRep = bits & RepresentationMask;
361-
assert(rawRep <= unsigned(Representation::Last) &&
362-
"unexpected SIL representation");
363361
return Representation(rawRep);
364362
}
365363

‎lib/AST/ASTContext.cpp

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -24,6 +24,7 @@
2424
#include "swift/AST/DiagnosticsSema.h"
2525
#include "swift/AST/DistributedDecl.h"
2626
#include "swift/AST/ExistentialLayout.h"
27+
#include "swift/AST/ExtInfo.h"
2728
#include "swift/AST/FileUnit.h"
2829
#include "swift/AST/ForeignAsyncConvention.h"
2930
#include "swift/AST/ForeignErrorConvention.h"
@@ -3681,6 +3682,16 @@ FunctionType *FunctionType::get(ArrayRef<AnyFunctionType::Param> params,
36813682
auto properties = getFunctionRecursiveProperties(params, result, globalActor);
36823683
auto arena = getArena(properties);
36833684

3685+
if (info.hasValue()) {
3686+
// Canonicalize all thin functions to be escaping (to keep compatibility
3687+
// with generic parameters). Note that one can pass SIL-level representation
3688+
// here, so we need additional check for maximum non-SIL value.
3689+
Representation rep = info.getValue().getRepresentation();
3690+
if (rep <= FunctionTypeRepresentation::Last &&
3691+
isThinRepresentation(rep))
3692+
info = info->withNoEscape(false);
3693+
}
3694+
36843695
llvm::FoldingSetNodeID id;
36853696
FunctionType::Profile(id, params, result, info);
36863697

@@ -4098,6 +4109,10 @@ CanSILFunctionType SILFunctionType::get(
40984109
ext = ext.intoBuilder().withClangFunctionType(nullptr).build();
40994110
}
41004111

4112+
// Canonicalize all thin functions to be escaping (to keep compatibility
4113+
// with generic parameters)
4114+
if (isThinRepresentation(ext.getRepresentation()))
4115+
ext = ext.intoBuilder().withNoEscape(false);
41014116

41024117
llvm::FoldingSetNodeID id;
41034118
SILFunctionType::Profile(id, genericSig, ext, coroutineKind, callee, params,

‎test/AutoDiff/SILOptimizer/activity_analysis.swift

Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -552,14 +552,13 @@ func testTryApply(_ x: Float) -> Float {
552552
// CHECK: bb0:
553553
// CHECK: [ACTIVE] %0 = argument of bb0 : $Float
554554
// CHECK: [NONE] // function_ref closure #1 in testTryApply(_:)
555-
// CHECK: [NONE] %3 = convert_function %2 : $@convention(thin) () -> () to $@convention(thin) @noescape () -> ()
556-
// CHECK: [NONE] %4 = thin_to_thick_function %3 : $@convention(thin) @noescape () -> () to $@noescape @callee_guaranteed () -> ()
557-
// CHECK: [NONE] %5 = convert_function %4 : $@noescape @callee_guaranteed () -> () to $@noescape @callee_guaranteed () -> @error Error
555+
// CHECK: [NONE] %3 = thin_to_thick_function %2 : $@convention(thin) () -> () to $@noescape @callee_guaranteed () -> ()
556+
// CHECK: [NONE] %4 = convert_function %3 : $@noescape @callee_guaranteed () -> () to $@noescape @callee_guaranteed () -> @error Error
558557
// CHECK: [NONE] // function_ref rethrowing(_:)
559558
// CHECK: bb1:
560-
// CHECK: [NONE] %8 = argument of bb1 : $()
559+
// CHECK: [NONE] %7 = argument of bb1 : $()
561560
// CHECK: bb2:
562-
// CHECK: [NONE] %10 = argument of bb2 : $Error
561+
// CHECK: [NONE] %9 = argument of bb2 : $Error
563562

564563
//===----------------------------------------------------------------------===//
565564
// Coroutine differentiation (`begin_apply`)

‎test/IRGen/objc_retainAutoreleasedReturnValue.swift

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -31,7 +31,7 @@ public func test(_ dict: NSDictionary) {
3131
// CHECK: notail call i8* @llvm.objc.retainAutoreleasedReturnValue
3232
// CHECK: ret void
3333

34-
// OPT-LABEL: define {{.*}}swiftcc void @"$s34objc_retainAutoreleasedReturnValue4testyySo12NSDictionaryCFyADXEfU_"(%TSo12NSDictionaryC* %0)
34+
// OPT-LABEL: define {{.*}}swiftcc void @"$s34objc_retainAutoreleasedReturnValue10useClosureyySo12NSDictionaryC_yADXEtF09$s34objc_bcd16Value4testyySo12H10CFyADXEfU_Tf1nc_n"(%TSo12NSDictionaryC* %0)
3535
// OPT: entry:
3636
// OPT: call {{.*}}@objc_msgSend
3737
// OPT: notail call i8* @llvm.objc.retainAutoreleasedReturnValue

‎test/PrintAsObjC/blocks.swift

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -101,7 +101,7 @@ typealias MyBlockWithNoescapeParam = (() -> ()) -> Int
101101
) {
102102
}
103103

104-
// CHECK-NEXT: - (void (* _Nonnull)(SWIFT_NOESCAPE NSInteger (* _Nonnull)(NSInteger, NSInteger)))returnsFunctionPointerThatTakesFunctionPointer SWIFT_WARN_UNUSED_RESULT;
104+
// CHECK-NEXT: - (void (* _Nonnull)(NSInteger (* _Nonnull)(NSInteger, NSInteger)))returnsFunctionPointerThatTakesFunctionPointer SWIFT_WARN_UNUSED_RESULT;
105105
@objc func returnsFunctionPointerThatTakesFunctionPointer() ->
106106
@convention(c) (_ comparator: @convention(c) (_ x: Int, _ y: Int) -> Int) -> Void {
107107
fatalError()

‎test/PrintAsObjC/cdecl-imports.swift

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -18,7 +18,7 @@ import Foundation
1818
public func fwdDeclaresBee() -> Bee { fatalError() }
1919

2020
// CHECK: @class Hive;
21-
// CHECK-LABEL: void fwd_declares_hive(SWIFT_NOESCAPE Hive * _Nonnull (* _Nonnull bzzz)(Bee * _Nonnull));
21+
// CHECK-LABEL: void fwd_declares_hive(Hive * _Nonnull (* _Nonnull bzzz)(Bee * _Nonnull));
2222

2323
@_cdecl("fwd_declares_hive")
2424
public func fwdDeclaresHive(bzzz: @convention(c) (Bee) -> Hive) { fatalError() }

‎test/PrintAsObjC/cdecl.swift

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -26,12 +26,12 @@ public func block_recurring_nightmare(x: @escaping @convention(block) (@conventi
2626
@_cdecl("foo_bar")
2727
func foo(x: Int, bar y: Int) {}
2828

29-
// CHECK-LABEL: SWIFT_EXTERN double (* _Nonnull function_pointer_nightmare(SWIFT_NOESCAPE float (* _Nonnull x)(NSInteger)))(char) SWIFT_WARN_UNUSED_RESULT;
29+
// CHECK-LABEL: SWIFT_EXTERN double (* _Nonnull function_pointer_nightmare(float (* _Nonnull x)(NSInteger)))(char) SWIFT_WARN_UNUSED_RESULT;
3030
@_cdecl("function_pointer_nightmare")
3131
func function_pointer_nightmare(x: @convention(c) (Int) -> Float)
3232
-> @convention(c) (CChar) -> Double { return { _ in 0 } }
3333

34-
// CHECK-LABEL: SWIFT_EXTERN double (* _Nonnull function_pointer_recurring_nightmare(float (* _Nonnull x)(SWIFT_NOESCAPE NSInteger (* _Nonnull)(double))))(SWIFT_NOESCAPE char (* _Nonnull)(unsigned char)) SWIFT_WARN_UNUSED_RESULT;
34+
// CHECK-LABEL: SWIFT_EXTERN double (* _Nonnull function_pointer_recurring_nightmare(float (* _Nonnull x)(NSInteger (* _Nonnull)(double))))(char (* _Nonnull)(unsigned char)) SWIFT_WARN_UNUSED_RESULT;
3535
@_cdecl("function_pointer_recurring_nightmare")
3636
public func function_pointer_recurring_nightmare(x: @escaping @convention(c) (@convention(c) (Double) -> Int) -> Float)
3737
-> @convention(c) (@convention(c) (CUnsignedChar) -> CChar) -> Double {

‎test/SIL/clang-function-type-windows.swift

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -6,6 +6,6 @@ import ctypes
66

77
public func f(g: @convention(c, cType: "void (*)(size_t)") (Int) -> ()) { g(0) }
88

9-
// CHECK: sil @$s4main1f1gyySiXzC9_ZTSPFvyE_tF : $@convention(thin) (@convention(c, cType: "void (*)(unsigned long long)") @noescape (Int) -> ()) -> () {
10-
// CHECK: bb0(%0 : $@convention(c, cType: "void (*)(unsigned long long)") @noescape (Int) -> ()):
11-
// CHECK: debug_value %0 : $@convention(c, cType: "void (*)(unsigned long long)") @noescape (Int) -> (), let, name "g", argno 1 // id: %1
9+
// CHECK: sil @$s4main1f1gyySiXzC9_ZTSPFvyE_tF : $@convention(thin) (@convention(c, cType: "void (*)(unsigned long long)") (Int) -> ()) -> () {
10+
// CHECK: bb0(%0 : $@convention(c, cType: "void (*)(unsigned long long)") (Int) -> ()):
11+
// CHECK: debug_value %0 : $@convention(c, cType: "void (*)(unsigned long long)") (Int) -> (), let, name "g", argno 1 // id: %1

‎test/SIL/clang-function-types-nonwindows.swift

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,6 +7,6 @@ import ctypes
77

88
public func f(g: @convention(c, cType: "void (*)(size_t)") (Int) -> ()) { g(0) }
99

10-
// CHECK: sil @$s4main1f1gyySiXzC9_ZTSPFvmE_tF : $@convention(thin) (@convention(c, cType: "void (*)(unsigned long)") @noescape (Int) -> ()) -> () {
11-
// CHECK: bb0(%0 : $@convention(c, cType: "void (*)(unsigned long)") @noescape (Int) -> ()):
12-
// CHECK: debug_value %0 : $@convention(c, cType: "void (*)(unsigned long)") @noescape (Int) -> (), let, name "g", argno 1 // id: %1
10+
// CHECK: sil @$s4main1f1gyySiXzC9_ZTSPFvmE_tF : $@convention(thin) (@convention(c, cType: "void (*)(unsigned long)") (Int) -> ()) -> () {
11+
// CHECK: bb0(%0 : $@convention(c, cType: "void (*)(unsigned long)") (Int) -> ()):
12+
// CHECK: debug_value %0 : $@convention(c, cType: "void (*)(unsigned long)") (Int) -> (), let, name "g", argno 1 // id: %1

‎test/SILGen/async_builtins.swift

Lines changed: 4 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -43,8 +43,7 @@ public func usesWithUnsafeContinuation() async {
4343
let _: Int = await Builtin.withUnsafeContinuation { c in }
4444

4545
// CHECK: [[FN:%.*]] = function_ref @$s4test26usesWithUnsafeContinuationyyYaFyBcXEfU_ : $@convention(thin) (Builtin.RawUnsafeContinuation) -> ()
46-
// CHECK: [[TMP:%.*]] = convert_function [[FN]] : $@convention(thin) (Builtin.RawUnsafeContinuation) -> () to $@convention(thin) @noescape (Builtin.RawUnsafeContinuation) -> ()
47-
// CHECK: [[CLOSURE:%.*]] = thin_to_thick_function [[TMP]]
46+
// CHECK: [[CLOSURE:%.*]] = thin_to_thick_function [[FN]]
4847
// CHECK: [[BOX:%.*]] = alloc_stack $Int
4948
// CHECK: [[CC:%.*]] = get_async_continuation_addr Int, [[BOX]] : $*Int
5049
// CHECK: apply [[CLOSURE]]([[CC]]) : $@noescape @callee_guaranteed (Builtin.RawUnsafeContinuation) -> ()
@@ -58,8 +57,7 @@ public func usesWithUnsafeContinuation() async {
5857
let _: String = await Builtin.withUnsafeContinuation { c in }
5958

6059
// CHECK: [[FN:%.*]] = function_ref @$s4test26usesWithUnsafeContinuationyyYaFyBcXEfU0_ : $@convention(thin) (Builtin.RawUnsafeContinuation) -> ()
61-
// CHECK: [[TMP:%.*]] = convert_function [[FN]] : $@convention(thin) (Builtin.RawUnsafeContinuation) -> () to $@convention(thin) @noescape (Builtin.RawUnsafeContinuation) -> ()
62-
// CHECK: [[CLOSURE:%.*]] = thin_to_thick_function [[TMP]]
60+
// CHECK: [[CLOSURE:%.*]] = thin_to_thick_function [[FN]]
6361
// CHECK: [[BOX:%.*]] = alloc_stack $String
6462
// CHECK: [[CC:%.*]] = get_async_continuation_addr String, [[BOX]] : $*String
6563
// CHECK: apply [[CLOSURE]]([[CC]]) : $@noescape @callee_guaranteed (Builtin.RawUnsafeContinuation) -> ()
@@ -74,8 +72,7 @@ public func usesWithUnsafeContinuation() async {
7472
let _: Any = await Builtin.withUnsafeContinuation { c in }
7573

7674
// CHECK: [[FN:%.*]] = function_ref @$s4test26usesWithUnsafeContinuationyyYaFyBcXEfU1_ : $@convention(thin) (Builtin.RawUnsafeContinuation) -> ()
77-
// CHECK: [[TMP:%.*]] = convert_function [[FN]] : $@convention(thin) (Builtin.RawUnsafeContinuation) -> () to $@convention(thin) @noescape (Builtin.RawUnsafeContinuation) -> ()
78-
// CHECK: [[CLOSURE:%.*]] = thin_to_thick_function [[TMP]]
75+
// CHECK: [[CLOSURE:%.*]] = thin_to_thick_function [[FN]]
7976
// CHECK: [[BOX:%.*]] = alloc_stack $Any
8077
// CHECK: [[CC:%.*]] = get_async_continuation_addr Any, [[BOX]] : $*Any
8178
// CHECK: apply [[CLOSURE]]([[CC]]) : $@noescape @callee_guaranteed (Builtin.RawUnsafeContinuation) -> ()
@@ -94,8 +91,7 @@ public func usesWithUnsafeThrowingContinuation() async throws {
9491
let _: Int = try await Builtin.withUnsafeThrowingContinuation { c in }
9592

9693
// CHECK: [[FN:%.*]] = function_ref @$s4test34usesWithUnsafeThrowingContinuationyyYaKFyBcXEfU_ : $@convention(thin) (Builtin.RawUnsafeContinuation) -> ()
97-
// CHECK: [[TMP:%.*]] = convert_function [[FN]] : $@convention(thin) (Builtin.RawUnsafeContinuation) -> () to $@convention(thin) @noescape (Builtin.RawUnsafeContinuation) -> ()
98-
// CHECK: [[CLOSURE:%.*]] = thin_to_thick_function [[TMP]]
94+
// CHECK: [[CLOSURE:%.*]] = thin_to_thick_function [[FN]]
9995
// CHECK: [[BOX:%.*]] = alloc_stack $Int
10096
// CHECK: [[CC:%.*]] = get_async_continuation_addr [throws] Int, [[BOX]] : $*Int
10197
// CHECK: apply [[CLOSURE]]([[CC]]) : $@noescape @callee_guaranteed (Builtin.RawUnsafeContinuation) -> ()

‎test/SILGen/auto_closures.swift

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -25,8 +25,7 @@ func test_auto_closure_with_capture(_ x: Bool) -> Bool {
2525
// CHECK-LABEL: sil hidden [ossa] @$s13auto_closures05test_A24_closure_without_capture{{[_0-9a-zA-Z]*}}F
2626
func test_auto_closure_without_capture() -> Bool {
2727
// CHECK: [[CLOSURE:%.*]] = function_ref @$s13auto_closures05test_A24_closure_without_capture
28-
// CHECK: [[CVT:%.*]] = convert_function [[CLOSURE]]
29-
// CHECK: [[THICK:%.*]] = thin_to_thick_function [[CVT]] : $@convention(thin) @noescape () -> Bool to $@noescape @callee_guaranteed () -> Bool
28+
// CHECK: [[THICK:%.*]] = thin_to_thick_function [[CLOSURE]] : $@convention(thin) () -> Bool to $@noescape @callee_guaranteed () -> Bool
3029
// CHECK: [[RET:%.*]] = apply {{%.*}}([[THICK]])
3130
// CHECK: return [[RET]]
3231
return call_auto_closure(false_)

‎test/SILGen/c_function_pointers.swift

Lines changed: 6 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -40,7 +40,7 @@ func calls(_ arg: @convention(c) (Int) -> Int, _ x: Int) -> Int {
4040
return arg(x)
4141
}
4242
// CHECK-LABEL: sil hidden [ossa] @$s19c_function_pointers5callsyS3iXC_SitF
43-
// CHECK: bb0(%0 : $@convention(c) @noescape (Int) -> Int, %1 : $Int):
43+
// CHECK: bb0(%0 : $@convention(c) (Int) -> Int, %1 : $Int):
4444
// CHECK: [[RESULT:%.*]] = apply %0(%1)
4545
// CHECK: return [[RESULT]]
4646

@@ -60,24 +60,20 @@ func pointers_to_swift_functions(_ x: Int) {
6060
func local(_ y: Int) -> Int { return y }
6161

6262
// CHECK: [[GLOBAL_C:%.*]] = function_ref @$s19c_function_pointers6globalyS2iFTo
63-
// CHECK: [[CVT:%.*]] = convert_function [[GLOBAL_C]]
64-
// CHECK: apply {{.*}}([[CVT]], [[X]])
63+
// CHECK: apply {{.*}}([[GLOBAL_C]], [[X]])
6564
calls(global, x)
6665

6766
// CHECK: [[LOCAL_C:%.*]] = function_ref @$s19c_function_pointers0B19_to_swift_functionsyySiF5localL_yS2iFTo
68-
// CHECK: [[CVT:%.*]] = convert_function [[LOCAL_C]]
69-
// CHECK: apply {{.*}}([[CVT]], [[X]])
67+
// CHECK: apply {{.*}}([[LOCAL_C]], [[X]])
7068
calls(local, x)
7169

72-
// CHECK: [[CLOSURE_C:%.*]] = function_ref @$s19c_function_pointers0B19_to_swift_functionsyySiFS2iXEfU_To
73-
// CHECK: [[CVT:%.*]] = convert_function [[CLOSURE_C]]
74-
// CHECK: apply {{.*}}([[CVT]], [[X]])
70+
// CHECK: [[CLOSURE_C:%.*]] = function_ref @$s19c_function_pointers0B19_to_swift_functionsyySiFS2icfU_To
71+
// CHECK: apply {{.*}}([[CLOSURE_C]], [[X]])
7572
calls({ $0 + 1 }, x)
7673

7774
calls_no_args(no_args)
7875
// CHECK: [[NO_ARGS_C:%.*]] = function_ref @$s19c_function_pointers7no_argsSiyFTo
79-
// CHECK: [[CVT:%.*]] = convert_function [[NO_ARGS_C]]
80-
// CHECK: apply {{.*}}([[CVT]])
76+
// CHECK: apply {{.*}}([[NO_ARGS_C]])
8177
}
8278

8379
func unsupported(_ a: Any) -> Int { return 0 }

‎test/SILGen/closures_callee_guaranteed.swift

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -22,8 +22,7 @@ public func apply(_ f : () -> Int) -> Int {
2222

2323
// CHECK-LABEL: sil [ossa] @{{.*}}test{{.*}} : $@convention(thin) () -> ()
2424
// CHECK: [[C1:%.*]] = function_ref @{{.*}}test{{.*}} : $@convention(thin) () -> Int
25-
// CHECK: [[C2:%.*]] = convert_function [[C1]] : $@convention(thin) () -> Int to $@convention(thin) @noescape () -> Int
26-
// CHECK: [[C3:%.*]] = thin_to_thick_function [[C2]] : $@convention(thin) @noescape () -> Int to $@noescape @callee_guaranteed () -> Int
25+
// CHECK: [[C3:%.*]] = thin_to_thick_function [[C1]] : $@convention(thin) () -> Int to $@noescape @callee_guaranteed () -> Int
2726
// CHECK: [[A:%.*]] = function_ref @{{.*}}apply{{.*}} : $@convention(thin) (@noescape @callee_guaranteed () -> Int) -> Int
2827
// CHECK: apply [[A]]([[C3]]) : $@convention(thin) (@noescape @callee_guaranteed () -> Int) -> Int
2928
public func test() {

‎test/SILGen/objc_blocks_bridging.swift

Lines changed: 3 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -66,7 +66,7 @@ import Foundation
6666
}
6767

6868
// CHECK-LABEL: sil hidden [thunk] [ossa] @$s20objc_blocks_bridging3FooC16cFunctionPointer{{[_0-9a-zA-Z]*}}FTo
69-
// CHECK: bb0([[F:%.*]] : $@convention(c) @noescape (Int) -> Int, [[X:%.*]] : $Int, [[SELF:%.*]] : @unowned $Foo):
69+
// CHECK: bb0([[F:%.*]] : $@convention(c) (Int) -> Int, [[X:%.*]] : $Int, [[SELF:%.*]] : @unowned $Foo):
7070
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
7171
// CHECK: [[BORROWED_SELF_COPY:%.*]] = begin_borrow [[SELF_COPY]]
7272
// CHECK: [[NATIVE:%.*]] = function_ref @$s20objc_blocks_bridging3FooC16cFunctionPointer{{[_0-9a-zA-Z]*}}F
@@ -175,8 +175,7 @@ func bridgeNonnullBlockResult() {
175175
// CHECK-LABEL: sil hidden [ossa] @$s20objc_blocks_bridging19bridgeNoescapeBlock2fn5optFnyyyXE_yycSgtF
176176
func bridgeNoescapeBlock(fn: () -> (), optFn: (() -> ())?) {
177177
// CHECK: [[CLOSURE_FN:%.*]] = function_ref @$s20objc_blocks_bridging19bridgeNoescapeBlock2fn5optFnyyyXE_yycSgtFyyXEfU_
178-
// CHECK: [[CONV_FN:%.*]] = convert_function [[CLOSURE_FN]]
179-
// CHECK: [[THICK_FN:%.*]] = thin_to_thick_function [[CONV_FN]]
178+
// CHECK: [[THICK_FN:%.*]] = thin_to_thick_function [[CLOSURE_FN]]
180179
// without actually escaping sentinel
181180
// CHECK: [[WAE_THUNK:%.*]] = function_ref @$sIg_Ieg_TR
182181
// CHECK: [[WAE_PA:%.*]] = partial_apply [callee_guaranteed] [[WAE_THUNK]]([[THICK_FN]])
@@ -224,8 +223,7 @@ func bridgeNoescapeBlock(fn: () -> (), optFn: (() -> ())?) {
224223
noescapeBlock(nil)
225224

226225
// CHECK: [[CLOSURE_FN:%.*]] = function_ref @$s20objc_blocks_bridging19bridgeNoescapeBlock2fn5optFnyyyXE_yycSgtF
227-
// CHECK: [[CONV_FN:%.*]] = convert_function [[CLOSURE_FN]]
228-
// CHECK: [[THICK_FN:%.*]] = thin_to_thick_function [[CONV_FN]]
226+
// CHECK: [[THICK_FN:%.*]] = thin_to_thick_function [[CLOSURE_FN]]
229227
// CHECK: [[WAE_THUNK:%.*]] = function_ref @$sIg_Ieg_TR
230228
// CHECK: [[WAE_PA:%.*]] = partial_apply [callee_guaranteed] [[WAE_THUNK]]([[THICK_FN]])
231229
// CHECK: [[WAE_MD:%.*]] = mark_dependence [[WAE_PA]] : $@callee_guaranteed () -> () on [[THICK_FN]]

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