test/IRGen/big_types_corner_cases.sil

// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -I %S/Inputs/abi %s -emit-ir -enable-large-loadable-types | %FileCheck %s

// UNSUPPORTED: resilient_stdlib

// REQUIRES: CPU=x86_64

// REQUIRES: OS=macosx

sil_stage canonical
import c_layout
import Builtin
import Swift

struct BigTempStruct<T> {
  var i0 : Int32
  var i1 : Int32
  var i2 : Int32
  var i3 : Int32
  var i4 : Int32
  var i5 : Int32
  var i6 : Int32
  var i7 : Int32
  var i8 : Int32
}

public struct BigStruct {
  var i0 : Int32 = 0
  var i1 : Int32 = 1
  var i2 : Int32 = 2
  var i3 : Int32 = 3
  var i4 : Int32 = 4
  var i5 : Int32 = 5
  var i6 : Int32 = 6
  var i7 : Int32 = 7
  var i8 : Int32 = 8
}

public struct BigBigStruct {
  var s : BigStruct
}

// CHECK-LABEL: define{{( protected)?}} swiftcc void @testBitfieldInBlock
// CHECK:         call void {{%.*}}(%TSC11BitfieldOneV* noalias nocapture sret {{%.*}}, %objc_block* {{%.*}}, %TSC11BitfieldOneV* byval align 8 {{%.*}})
sil @testBitfieldInBlock : $@convention(thin) (@owned @convention(block) (BitfieldOne) -> BitfieldOne, BitfieldOne) -> BitfieldOne  {
entry(%b : $@convention(block) (BitfieldOne) -> BitfieldOne, %x : $BitfieldOne):
  %r = apply %b(%x) : $@convention(block) (BitfieldOne) -> BitfieldOne
  return %r : $BitfieldOne
}

// CHECK-LABEL: define{{( protected)?}} swiftcc void @testTupleExtract
// CHECK:         call void {{%.*}}(%TSC11BitfieldOneV* noalias nocapture sret {{%.*}}, %objc_block* {{%.*}}, %TSC11BitfieldOneV* byval align 8 {{%.*}})
sil @testTupleExtract : $@convention(thin) (@owned (BitfieldOne, @convention(block) (BitfieldOne) -> BitfieldOne), BitfieldOne) -> BitfieldOne  {
entry(%b : $(BitfieldOne, @convention(block) (BitfieldOne) -> (BitfieldOne)), %x : $BitfieldOne):
  %a = tuple_extract %b : $(BitfieldOne, @convention(block) (BitfieldOne) -> (BitfieldOne)), 1
  %r = apply %a(%x) : $@convention(block) (BitfieldOne) -> BitfieldOne
  return %r : $BitfieldOne
}

// CHECK-LABEL: define{{( protected)?}} swiftcc void @testBigTempStruct(%T22big_types_corner_cases13BigTempStructV* noalias nocapture sret, %swift.bridge*, %swift.type* %Element) #0 {
// CHECK: [[ALLOC:%.*]] = alloca %T22big_types_corner_cases13BigTempStructV
// CHECK: call swiftcc void @testBigTempStruct(%T22big_types_corner_cases13BigTempStructV* noalias nocapture sret [[ALLOC]], %swift.bridge* %1, %swift.type* %Element)
// CHECK: ret void
sil @testBigTempStruct : $@convention(method) <Element> (@guaranteed _ArrayBuffer<Element>) -> @owned BigTempStruct<Element> {
bb0(%0 : $_ArrayBuffer<Element>):
  // function_ref specialized _ArrayBuffer.subscript.getter
  %4 = function_ref @testBigTempStruct : $@convention(method) <τ_0_0> (@guaranteed _ArrayBuffer<τ_0_0>) -> @owned BigTempStruct<τ_0_0>
  %9 = apply %4<Element>(%0) : $@convention(method) <τ_0_0> (@guaranteed _ArrayBuffer<τ_0_0>) -> @owned BigTempStruct<τ_0_0>
  return %9 : $BigTempStruct<Element>
}

// CHECK-LABEL: define{{( protected)?}} swiftcc void @testTryApply(%T22big_types_corner_cases9BigStructV* noalias nocapture sret, i8*, %swift.refcounted*, %swift.refcounted* swiftself, %swift.error** swifterror) #0 {
// CHECK: [[ALLOC:%.*]] = alloca %T22big_types_corner_cases9BigStructV
// CHECK: call swiftcc void {{.*}}(%T22big_types_corner_cases9BigStructV* noalias nocapture sret [[ALLOC]]
// CHECK: ret void
sil @testTryApply : $@convention(thin)(() -> (@owned BigStruct, @error Error)) -> (@owned BigStruct, @error Error) {
bb0(%0 : $() -> (@owned BigStruct, @error Error)):
  try_apply %0() : $() -> (@owned BigStruct, @error Error), normal bb1, error bb2

bb1(%ret : $BigStruct):
  %s = struct $BigBigStruct (%ret : $BigStruct)
  return %ret : $BigStruct
  
bb2(%err : $Error):
  throw %err : $Error
}

// CHECK-LABEL: define{{( protected)?}} swiftcc i8* @testThinFuncPointer(%swift.type* %"BigTempStruct<Element>", %T22big_types_corner_cases13BigTempStructV* noalias nocapture swiftself dereferenceable({{.*}}) #0 {
// CHECK-NEXT: entry
// CHECK-NEXT: ret i8* bitcast (i8* (%swift.type*, %T22big_types_corner_cases13BigTempStructV*)* @testThinFuncPointer to i8*)
sil @testThinFuncPointer : $@convention(method) <Element> (@guaranteed BigTempStruct<Element>) -> @owned Builtin.RawPointer {
bb0(%0 : $BigTempStruct<Element>):
  // function_ref specialized BigTempStruct.subscript.getter
  %fref = function_ref @testThinFuncPointer : $@convention(method) <τ_0_0> (@guaranteed BigTempStruct<τ_0_0>) -> @owned Builtin.RawPointer
  %ret = thin_function_to_pointer %fref : $@convention(method) <τ_0_0> (@guaranteed BigTempStruct<τ_0_0>) -> @owned Builtin.RawPointer to $Builtin.RawPointer
  return %ret : $Builtin.RawPointer
}

// CHECK-LABEL: define{{( protected)?}} swiftcc void @testFuncWithModBlockStorageApply({ %objc_block, %swift.function }* nocapture dereferenceable({{.*}}), %T22big_types_corner_cases9BigStructV* noalias nocapture dereferenceable({{.*}}) #0 {
// CHECK: call swiftcc void {{.*}}(%T22big_types_corner_cases9BigStructV* noalias nocapture dereferenceable({{.*}}) %1
// CHECK: ret void
sil @testFuncWithModBlockStorageApply : $@convention(thin) (@inout_aliasable @block_storage @callee_owned (@owned BigStruct) -> (), BigStruct) -> () {
// %0                                             // user: %5
// %1                                             // users: %12, %13, %7
// %2                                             // user: %20
// %3                                             // user: %20
// %4                                             // user: %20
bb0(%0 : $*@block_storage @callee_owned (@owned BigStruct) -> (), %1 : $BigStruct):
  %proji = project_block_storage %0 : $*@block_storage @callee_owned (@owned BigStruct) -> () // user: %6
  %ldi = load %proji : $*@callee_owned (@owned BigStruct) -> () // users: %11, %17, %20
  %appi = apply %ldi(%1) : $@callee_owned (@owned BigStruct) -> ()
  %ret = tuple ()                                  // user: %22
  return %ret : $()                                // id: %22
}