| // RUN: %target-swift-frontend %s -emit-ir -disable-objc-interop -module-name A | %FileCheck %s |
| |
| // REQUIRES: objc_interop |
| // REQUIRES: CPU=arm64e |
| |
| // CHECK: @test_dynamically_replaceableTX = global %swift.dyn_repl_link_entry { i8*{{.*}} @test_dynamically_replaceable.ptrauth to i8*), %swift.dyn_repl_link_entry* null } |
| // CHECK: @test_dynamically_replaceable.ptrauth = private constant { i8*, i32, i64, i64 } { i8* bitcast (void ()* @test_dynamically_replaceable to i8*), i32 0, i64 ptrtoint (%swift.dyn_repl_link_entry* @test_dynamically_replaceableTX to i64), i64 679 }, section "llvm.ptrauth" |
| // CHECK: @test_dynamically_replaceableTx = constant %swift.dyn_repl_key { i32 trunc ([[INTPTR:i[0-9]+]] sub ([[INTPTR]] ptrtoint (%swift.dyn_repl_link_entry* @test_dynamically_replaceableTX to [[INTPTR]]), [[INTPTR]] ptrtoint (%swift.dyn_repl_key* @test_dynamically_replaceableTx to [[INTPTR]])) to i32), i32 679 }, section "__TEXT,__const" |
| // CHECK: @test_replacementTX = global %swift.dyn_repl_link_entry zeroinitializer |
| // CHECK: @test_replacement_for_externalTX = global %swift.dyn_repl_link_entry zeroinitializer |
| // CHECK: @external_test_dynamically_replaceableTx = external global %swift.dyn_repl_key |
| // CHECK: @got.external_test_dynamically_replaceableTx = private unnamed_addr constant %swift.dyn_repl_key* bitcast ({ i8*, i32, i64, i64 }* @external_test_dynamically_replaceableTx.ptrauth to %swift.dyn_repl_key*) |
| // CHECK: @external_test_dynamically_replaceableTx.ptrauth = private constant { i8*, i32, i64, i64 } { i8* bitcast (%swift.dyn_repl_key* @external_test_dynamically_replaceableTx to i8*), i32 2, i64 ptrtoint (%swift.dyn_repl_key** @got.external_test_dynamically_replaceableTx to i64), i64 11389 }, section "llvm.ptrauth" |
| |
| // CHECK: @"\01l_unnamed_dynamic_replacements" = private constant { i32, i32, [2 x { i32, i32, i32, i32 }] } |
| // CHECK: { i32 0, |
| // CHECK: i32 2, |
| // CHECK: [2 x { i32, i32, i32, i32 }] |
| // CHECK: [{ i32, i32, i32, i32 } |
| // CHECK: %swift.dyn_repl_key* @test_dynamically_replaceableTx |
| // CHECK: @test_replacement |
| // CHECK: %swift.dyn_repl_link_entry* @test_replacementTX |
| // CHECK: i32 0 }, |
| // CHECK: { i32, i32, i32, i32 } |
| // CHECK: %swift.dyn_repl_key** @got.external_test_dynamically_replaceableTx |
| // CHECK: @test_replacement_for_external |
| // CHECK: %swift.dyn_repl_link_entry* @test_replacement_for_externalTX |
| // CHECK: i32 0 }] }, section "__TEXT,__const" |
| |
| // CHECK: @"\01l_auto_dynamic_replacements" = private constant { i32, i32, [2 x i32] } |
| // CHECK: { i32 0, i32 1, |
| // CHECK: [2 x i32] [{{.*}}@"\01l_unnamed_dynamic_replacements"{{.*}}, i32 0] |
| // CHECK: }, section "__TEXT, __swift5_replace, regular, no_dead_strip" |
| |
| // CHECK-LABEL: define swiftcc void @test_dynamically_replaceable() |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[FUN_PTR:%.*]] = call i8* @swift_getFunctionReplacement{{.*}}({{.*}} getelementptr {{.*}} @test_dynamically_replaceableTX, i32 0, i32 0 |
| // CHECK-NEXT: [[CMP:%.*]] = icmp eq i8* [[FUN_PTR]], null |
| // CHECK-NEXT: br i1 [[CMP]], label %original_entry, label %forward_to_replaced |
| // CHECK: forward_to_replaced: |
| // CHECK-NEXT: [[TYPED_PTR:%.*]] = bitcast i8* [[FUN_PTR]] to void ()* |
| // CHECK-NEXT: [[BLEND:%.*]] = call i64 @llvm.ptrauth.blend.i64(i64 ptrtoint (%swift.dyn_repl_link_entry* @test_dynamically_replaceableTX to i64), i64 679) |
| // CHECK-NEXT: tail call swiftcc void [[TYPED_PTR]]() [ "ptrauth"(i32 0, i64 [[BLEND]]) ] |
| // CHECK-NEXT: ret void |
| // CHECK: original_entry: |
| // CHECK-NEXT: ret void |
| // CHECK-NEXT: } |
| |
| sil [dynamically_replacable] @test_dynamically_replaceable : $@convention(thin) () -> () { |
| bb0: |
| %0 = tuple () |
| return %0 : $() |
| } |
| |
| // CHECK-LABEL: define swiftcc void @test_replacement() |
| // CHECK: entry: |
| // CHECK: call swiftcc void @test_replacementTI() |
| // CHECK: ret void |
| // CHECK: } |
| |
| // The thunk that implement the prev_dynamic_function_ref lookup. |
| // CHECK-LABEL: define swiftcc void @test_replacementTI() |
| // CHECK: entry: |
| // CHECK: [[FUN_PTR:%.*]] = call i8* @swift_getOrigOfReplaceable{{.*}}({{.*}} getelementptr {{.*}} @test_replacementTX, i32 0, i32 0 |
| // CHECK: [[TYPED_PTR:%.*]] = bitcast i8* [[FUN_PTR]] to void ()* |
| // CHECK-NEXT: [[BLEND:%.*]] = call i64 @llvm.ptrauth.blend.i64(i64 ptrtoint (%swift.dyn_repl_link_entry* @test_replacementTX to i64), i64 679) |
| // CHECK-NEXT: call swiftcc void [[TYPED_PTR]]() [ "ptrauth"(i32 0, i64 [[BLEND]]) ] |
| // CHECK: ret void |
| // CHECK: } |
| sil [dynamic_replacement_for "test_dynamically_replaceable"] @test_replacement : $@convention(thin) () -> () { |
| bb0: |
| %0 = prev_dynamic_function_ref @test_replacement : $@convention(thin) () -> () |
| %1 = apply %0() : $@convention(thin) () -> () |
| %2 = tuple () |
| return %2 : $() |
| } |
| |
| // CHECK-LABEL: define swiftcc void @test_dynamic_call() |
| // CHECK: entry: |
| // CHECK: call swiftcc void @test_dynamically_replaceable() |
| // CHECK: ret void |
| // CHECK: } |
| sil @test_dynamic_call : $@convention(thin) () -> () { |
| bb0: |
| %0 = dynamic_function_ref @test_dynamically_replaceable : $@convention(thin) () -> () |
| %1 = apply %0() : $@convention(thin) () -> () |
| %2 = tuple () |
| return %2 : $() |
| } |
| |
| |
| sil [dynamically_replacable] @external_test_dynamically_replaceable : $@convention(thin) () -> () |
| |
| sil [dynamic_replacement_for "external_test_dynamically_replaceable"] @test_replacement_for_external : $@convention(thin) () -> () { |
| bb0: |
| %0 = prev_dynamic_function_ref @test_replacement : $@convention(thin) () -> () |
| %1 = apply %0() : $@convention(thin) () -> () |
| %2 = tuple () |
| return %2 : $() |
| } |