mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
e5d87f75a8
It is necessary for opaque values where for casts that will newly start out as checked_cast_brs and be lowered to checked_cast_addr_brs, since the latter has the source formal type, IRGen relies on being able to access it, and there's no way in general to obtain the source formal type from the source lowered type.
120 lines
4.5 KiB
Swift
120 lines
4.5 KiB
Swift
// RUN: %target-swift-frontend %/s -parse-as-library -enable-spec-devirt -O -emit-sil -save-optimization-record-path %t.opt.yaml | %FileCheck %s
|
|
// RUN: %FileCheck -check-prefix=YAML -input-file=%t.opt.yaml %s
|
|
// RUN: %target-swift-frontend %/s -parse-as-library -Osize -emit-sil | %FileCheck %s --check-prefix=OSIZE
|
|
//
|
|
// Test speculative devirtualization.
|
|
|
|
// Test MaxNumSpeculativeTargets.
|
|
// rdar:23228386
|
|
public class Base {
|
|
public init() {}
|
|
public func foo() {}
|
|
}
|
|
|
|
@_optimize(none)
|
|
func blackHole<T : AnyObject>(_: T) {}
|
|
|
|
class Sub1 : Base {
|
|
override func foo() { blackHole(self) }
|
|
}
|
|
class Sub2 : Base {
|
|
override func foo() { blackHole(self) }
|
|
}
|
|
class Sub3 : Base {
|
|
override func foo() { blackHole(self) }
|
|
}
|
|
class Sub4 : Base {
|
|
override func foo() { blackHole(self) }
|
|
}
|
|
class Sub5 : Base {
|
|
override func foo() { blackHole(self) }
|
|
}
|
|
class Sub6 : Base {
|
|
override func foo() { blackHole(self) }
|
|
}
|
|
class Sub7 : Base {
|
|
override func foo() { blackHole(self) }
|
|
}
|
|
// CHECK: @$s16devirt_speculate28testMaxNumSpeculativeTargetsyyAA4BaseCF
|
|
// CHECK: bb0(%0 : $Base):
|
|
// CHECK: checked_cast_br [exact] Base in %0 : $Base to Base, bb2, bb3
|
|
|
|
// CHECK: bb2([[CASTED:%.*]]):
|
|
// CHECK: br bb1
|
|
|
|
// CHECK: bb3:
|
|
// CHECK: checked_cast_br [exact] Base in %0 : $Base to Sub1, bb4, bb5
|
|
|
|
// CHECK: bb4([[CASTED:%.*]] : $Sub1):
|
|
// CHECK: [[FN:%.*]] = function_ref @$s16devirt_speculate9blackHoleyyxRlzClF : $@convention(thin) <τ_0_0 where τ_0_0 : AnyObject> (@guaranteed τ_0_0) -> ()
|
|
// CHECK: apply [[FN]]<Sub1>([[CASTED]])
|
|
// CHECK: br bb1
|
|
|
|
// CHECK: bb5:
|
|
// CHECK: checked_cast_br [exact] Base in %0 : $Base to Sub2, bb6, bb7
|
|
|
|
// CHECK: bb6([[CASTED:%.*]] : $Sub2):
|
|
// CHECK: [[FN:%.*]] = function_ref @$s16devirt_speculate9blackHoleyyxRlzClF : $@convention(thin) <τ_0_0 where τ_0_0 : AnyObject> (@guaranteed τ_0_0) -> ()
|
|
// CHECK: apply [[FN]]<Sub2>([[CASTED]])
|
|
// CHECK: br bb1
|
|
|
|
// CHECK: bb7:
|
|
// CHECK: checked_cast_br [exact] Base in %0 : $Base to Sub3, bb8, bb9
|
|
|
|
// CHECK: bb8([[CASTED:%.*]] : $Sub3):
|
|
// CHECK: [[FN:%.*]] = function_ref @$s16devirt_speculate9blackHoleyyxRlzClF : $@convention(thin) <τ_0_0 where τ_0_0 : AnyObject> (@guaranteed τ_0_0) -> ()
|
|
// CHECK: apply [[FN]]<Sub3>([[CASTED]])
|
|
// CHECK: br bb1
|
|
|
|
// CHECK: bb9:
|
|
// CHECK: checked_cast_br [exact] Base in %0 : $Base to Sub4, bb10, bb11
|
|
|
|
// CHECK: bb10([[CASTED:%.*]] : $Sub4):
|
|
// CHECK: [[FN:%.*]] = function_ref @$s16devirt_speculate9blackHoleyyxRlzClF : $@convention(thin) <τ_0_0 where τ_0_0 : AnyObject> (@guaranteed τ_0_0) -> ()
|
|
// CHECK: apply [[FN]]<Sub4>([[CASTED]])
|
|
// CHECK: br bb1
|
|
|
|
// CHECK: bb11:
|
|
// CHECK: checked_cast_br [exact] Base in %0 : $Base to Sub5, bb12, bb13
|
|
|
|
// CHECK: bb12([[CASTED:%.*]] : $Sub5):
|
|
// CHECK: [[FN:%.*]] = function_ref @$s16devirt_speculate9blackHoleyyxRlzClF : $@convention(thin) <τ_0_0 where τ_0_0 : AnyObject> (@guaranteed τ_0_0) -> ()
|
|
// CHECK: apply [[FN]]<Sub5>([[CASTED]])
|
|
// CHECK: br bb1
|
|
|
|
// CHECK: bb13:
|
|
// CHECK: checked_cast_br [exact] Base in %0 : $Base to Sub6, bb14, bb15
|
|
|
|
// CHECK: bb14([[CASTED:%.*]] : $Sub6):
|
|
// CHECK: [[FN:%.*]] = function_ref @$s16devirt_speculate9blackHoleyyxRlzClF : $@convention(thin) <τ_0_0 where τ_0_0 : AnyObject> (@guaranteed τ_0_0) -> ()
|
|
// CHECK: apply [[FN]]<Sub6>([[CASTED]])
|
|
// CHECK: br bb1
|
|
|
|
// CHECK: bb15:
|
|
// CHECK-NOT: checked_cast_br
|
|
// CHECK: %[[CM:[0-9]+]] = class_method %0 : $Base, #Base.foo : (Base) -> () -> (), $@convention(method) (@guaranteed Base) -> ()
|
|
// CHECK: apply %[[CM]](%0) : $@convention(method) (@guaranteed Base) -> ()
|
|
|
|
// YAML: Pass: sil-speculative-devirtualizer
|
|
// YAML-NEXT: Name: sil.PartialSpecDevirt
|
|
// YAML-NEXT: DebugLoc:
|
|
// YAML: File: {{.*}}/devirt_speculate.swift
|
|
// YAML: Line: 118
|
|
// YAML: Column: 5
|
|
// YAML-NEXT: Function: 'testMaxNumSpeculativeTargets(_:)'
|
|
// YAML-NEXT: Args:
|
|
// YAML-NEXT: - String: 'Partially devirtualized call with run-time checks for '
|
|
// YAML-NEXT: - NumSubTypesChecked: '6'
|
|
// YAML-NEXT: - String: ' subclasses of '
|
|
// YAML-NEXT: - ClassType: Base
|
|
// YAML-NEXT: - String: ', number of subclasses not devirtualized: '
|
|
// YAML-NEXT: - NotHandledSubsNum: '1'
|
|
// YAML-NEXT: ...
|
|
|
|
// OSIZE: @$s16devirt_speculate28testMaxNumSpeculativeTargetsyyAA4BaseCF
|
|
// OSIZE-NOT: checked_cast_br [exact] Base in %0 : $Base to Base
|
|
// OSIZE-NOT: checked_cast_br [exact] Base in %0 : $Base to Sub
|
|
public func testMaxNumSpeculativeTargets(_ b: Base) {
|
|
b.foo()
|
|
}
|