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// RUN: %target-swift-frontend -swift-version 4 -parse-stdlib -Xllvm -sil-disable-pass=FunctionSignatureOpts -Xllvm -sil-disable-pass=GenericSpecializer -emit-ir -O %s | %FileCheck %s
//
// Check that the -O pipeline always preserves the runtime calls for Builtin access markers and that the KeyPath implementation is fully inlined.
@_silgen_name("marker1")
func marker1() -> ()
@_silgen_name("marker2")
func marker2() -> ()
@_silgen_name("marker3")
func marker3() -> ()
// IR-LABEL: define {{.*}}swiftcc void @"$s20preserve_exclusivity11beginAccessyyBp_BpxmtlF"(ptr, ptr, ptr{{.*}}, ptr{{.*}} %T1)
// IR: call void @swift_beginAccess
// IR-NEXT: ret void
public func beginAccess<T1>(_ address: Builtin.RawPointer, _ scratch: Builtin.RawPointer, _ ty1: T1.Type) {
marker1()
Builtin.beginUnpairedModifyAccess(address, scratch, ty1);
}
// CHECK-LABEL: define {{.*}}swiftcc void @"$s20preserve_exclusivity9endAccessyyBpF"(ptr{{.*}})
// CHECK: call void @swift_endAccess
// CHECK-NEXT: ret void
public func endAccess(_ address: Builtin.RawPointer) {
marker2()
Builtin.endUnpairedAccess(address)
}
// CHECK-LABEL: define {{.*}}swiftcc void @"$s20preserve_exclusivity10readAccessyyBp_xmtlF"(ptr %0, ptr{{.*}}, ptr{{.*}} %T1)
// CHECK: call void @swift_beginAccess
// CHECK: ret void
public func readAccess<T1>(_ address: Builtin.RawPointer, _ ty1: T1.Type) {
marker3()
Builtin.performInstantaneousReadAccess(address, ty1);
}
// Make sure testAccess properly inlines in our functions.
//
// CHECK-LABEL: define {{.*}}swiftcc void @"$s20preserve_exclusivity10testAccessyyBpF"(ptr %0)
// CHECK: call swiftcc void @marker1
// CHECK: call void @swift_beginAccess
// CHECK: call swiftcc void @marker2
// CHECK: call void @swift_endAccess
// CHECK: call swiftcc void @marker3
// CHECK: call void @swift_beginAccess
// CHECK: ret void
public func testAccess(_ k1: Builtin.RawPointer) {
beginAccess(k1, k1, Builtin.RawPointer.self)
endAccess(k1)
readAccess(k1, Builtin.RawPointer.self)
}
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