File: srosroa_mem2reg.sil

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// RUN: %target-sil-opt -enable-sil-verify-all -sil-print-debuginfo -sroa %s | %FileCheck --check-prefix=CHECK-SROA %s
sil_stage canonical

import Builtin
import Swift

struct MyStruct {
  @_hasStorage var x: Int64 { get set }
  @_hasStorage var y: Int64 { get set }
  init(x: Int64, y: Int64)
}

struct MyContainer {
  @_hasStorage var z: MyStruct { get set }
}

sil_scope 1 { loc "sroa.swift":2:8 parent @MyStructInit : $@convention(method) (Int64, Int64, @thin MyStruct.Type) -> MyStruct }

// MyStruct.init(x:y:)
sil hidden @MyStructInit : $@convention(method) (Int64, Int64, @thin MyStruct.Type) -> MyStruct {
bb0(%0 : $Int64, %1 : $Int64, %2 : $@thin MyStruct.Type):
  %3 = struct $MyStruct (%0 : $Int64, %1 : $Int64), loc "sroa.swift":2:8, scope 1
  return %3 : $MyStruct, loc "sroa.swift":2:8, scope 1
} // end sil function 'MyStructInit'

sil_scope 2 { loc "sroa.swift":7:6 parent @foo : $@convention(thin) (Int64, Int64) -> Int64 }

// foo(in_x:in_y:)
sil hidden @foo : $@convention(thin) (Int64, Int64) -> Int64 {
bb0(%0 : $Int64, %1 : $Int64):
  debug_value %0 : $Int64, let, name "in_x", argno 1, loc "sroa.swift":7:10, scope 2
  debug_value %1 : $Int64, let, name "in_y", argno 2, loc "sroa.swift":7:21, scope 2
  %4 = alloc_stack $MyStruct, var, name "my_struct", type $*MyContainer, expr op_fragment:#MyContainer.z, loc "sroa.swift":8:9, scope 2
  // CHECK-SROA:      alloc_stack $Int64
  // CHECK-SROA-SAME: var,
  // CHECK-SROA:      alloc_stack $Int64
  // CHECK-SROA-SAME: var,
  // CHECK-SROA:      metatype
  %5 = metatype $@thin MyStruct.Type, loc "sroa.swift":8:21, scope 2
  %6 = integer_literal $Builtin.Int64, 0, loc "sroa.swift":8:33, scope 2
  %7 = struct $Int64 (%6 : $Builtin.Int64), loc "sroa.swift":8:33, scope 2
  %8 = integer_literal $Builtin.Int64, 0, loc "sroa.swift":8:39, scope 2
  %9 = struct $Int64 (%8 : $Builtin.Int64), loc "sroa.swift":8:39, scope 2
  // function_ref MyStruct.init(x:y:)
  %10 = function_ref @MyStructInit : $@convention(method) (Int64, Int64, @thin MyStruct.Type) -> MyStruct, loc "sroa.swift":8:21, scope 2
  %11 = apply %10(%7, %9, %5) : $@convention(method) (Int64, Int64, @thin MyStruct.Type) -> MyStruct, loc "sroa.swift":8:21, scope 2
  store %11 to %4 : $*MyStruct, loc "sroa.swift":8:21, scope 2
  %13 = struct_element_addr %4 : $*MyStruct, #MyStruct.x, loc "sroa.swift":9:17, scope 2
  store %0 to %13 : $*Int64, loc "sroa.swift":9:17, scope 2
  %15 = struct_element_addr %4 : $*MyStruct, #MyStruct.y, loc "sroa.swift":10:17, scope 2
  store %1 to %15 : $*Int64, loc "sroa.swift":10:17, scope 2
  dealloc_stack %4 : $*MyStruct, loc "sroa.swift":8:9, scope 2
  return %0 : $Int64, loc "sroa.swift":11:5, scope 2
} // end sil function 'foo'