File: mem-behavior-cache-bug.sil

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// RUN: %sil-opt -temp-rvalue-opt %s -o /dev/null 

// This test exposes a bug in the MemBehavior cache invalidation mechanism.
// With this bug, the optimizer aborts with a SIL memory lifetime failure
// (only on linux).

sil_stage canonical

import Builtin
import Swift
import SwiftShims

public struct Complex<RealType> where RealType : FloatingPoint {
  @usableFromInline
  @_hasStorage internal var x: RealType { get set }
  @usableFromInline
  @_hasStorage internal var y: RealType { get set }
  init(_ real: RealType, _ imaginary: RealType)
}

extension Complex {
  var phase: RealType { get }
}

extension Complex {
  public static func log(_ z: Complex<RealType>, _ b: Bool) -> Complex<RealType>
}

sil [ossa] @callee : $@convention(method) <RealType where RealType : FloatingPoint> (@in_guaranteed Complex<RealType>) -> @out RealType

sil [ossa] @test : $@convention(method) <RealType where RealType : FloatingPoint> (@in_guaranteed Complex<RealType>, Bool, @thin Complex<RealType>.Type) -> @out Complex<RealType> {
bb0(%0 : $*Complex<RealType>, %1 : $*Complex<RealType>, %2 : $Bool, %3 : $@thin Complex<RealType>.Type):
  debug_value %1 : $*Complex<RealType>, let, name "z", argno 1, expr op_deref
  debug_value %2 : $Bool, let, name "b", argno 2
  debug_value %3 : $@thin Complex<RealType>.Type, let, name "self", argno 3
  %7 = alloc_stack $RealType, let, name "θ"
  %8 = alloc_stack $Complex<RealType>
  copy_addr %1 to [init] %8 : $*Complex<RealType>
  %10 = function_ref @callee : $@convention(method) <τ_0_0 where τ_0_0 : FloatingPoint> (@in_guaranteed Complex<τ_0_0>) -> @out τ_0_0
  %11 = apply %10<RealType>(%7, %8) : $@convention(method) <τ_0_0 where τ_0_0 : FloatingPoint> (@in_guaranteed Complex<τ_0_0>) -> @out τ_0_0
  destroy_addr %8 : $*Complex<RealType>
  dealloc_stack %8 : $*Complex<RealType>
  %14 = integer_literal $Builtin.Int1, -1
  %15 = struct_extract %2 : $Bool, #Bool._value
  %16 = builtin "cmp_eq_Int1"(%15 : $Builtin.Int1, %14 : $Builtin.Int1) : $Builtin.Int1
  cond_br %16, bb1, bb2

bb1:
  %18 = metatype $@thick RealType.Type
  %19 = alloc_stack $RealType
  %20 = witness_method $RealType, #FloatingPoint.infinity!getter : <Self where Self : FloatingPoint> (Self.Type) -> () -> Self : $@convention(witness_method: FloatingPoint) <τ_0_0 where τ_0_0 : FloatingPoint> (@thick τ_0_0.Type) -> @out τ_0_0
  %21 = apply %20<RealType>(%19, %18) : $@convention(witness_method: FloatingPoint) <τ_0_0 where τ_0_0 : FloatingPoint> (@thick τ_0_0.Type) -> @out τ_0_0
  %22 = alloc_stack $RealType
  copy_addr [take] %7 to [init] %22 : $*RealType
  %24 = alloc_stack $Complex<RealType>
  %25 = alloc_stack $RealType
  copy_addr [take] %19 to [init] %25 : $*RealType
  %27 = struct_element_addr %24 : $*Complex<RealType>, #Complex.x
  copy_addr [take] %25 to [init] %27 : $*RealType
  dealloc_stack %25 : $*RealType
  %30 = alloc_stack $RealType
  copy_addr [take] %22 to [init] %30 : $*RealType
  %32 = struct_element_addr %24 : $*Complex<RealType>, #Complex.y
  copy_addr [take] %30 to [init] %32 : $*RealType
  dealloc_stack %30 : $*RealType
  copy_addr %24 to [init] %0 : $*Complex<RealType>
  destroy_addr %24 : $*Complex<RealType>
  dealloc_stack %24 : $*Complex<RealType>
  %38 = tuple ()
  dealloc_stack %22 : $*RealType
  dealloc_stack %19 : $*RealType
  dealloc_stack %7 : $*RealType
  br bb3

bb2:
  %43 = metatype $@thick RealType.Type
  %44 = alloc_stack $RealType
  %45 = witness_method $RealType, #FloatingPoint.infinity!getter : <Self where Self : FloatingPoint> (Self.Type) -> () -> Self : $@convention(witness_method: FloatingPoint) <τ_0_0 where τ_0_0 : FloatingPoint> (@thick τ_0_0.Type) -> @out τ_0_0
  %46 = apply %45<RealType>(%44, %43) : $@convention(witness_method: FloatingPoint) <τ_0_0 where τ_0_0 : FloatingPoint> (@thick τ_0_0.Type) -> @out τ_0_0
  %47 = alloc_stack $RealType
  copy_addr [take] %7 to [init] %47 : $*RealType
  %49 = alloc_stack $Complex<RealType>
  %50 = alloc_stack $RealType
  copy_addr [take] %44 to [init] %50 : $*RealType
  %52 = struct_element_addr %49 : $*Complex<RealType>, #Complex.x
  copy_addr [take] %50 to [init] %52 : $*RealType
  dealloc_stack %50 : $*RealType
  %55 = alloc_stack $RealType
  copy_addr [take] %47 to [init] %55 : $*RealType
  %57 = struct_element_addr %49 : $*Complex<RealType>, #Complex.y
  copy_addr [take] %55 to [init] %57 : $*RealType
  dealloc_stack %55 : $*RealType
  copy_addr %49 to [init] %0 : $*Complex<RealType>
  destroy_addr %49 : $*Complex<RealType>
  dealloc_stack %49 : $*Complex<RealType>
  %63 = tuple ()
  dealloc_stack %47 : $*RealType
  dealloc_stack %44 : $*RealType
  dealloc_stack %7 : $*RealType
  br bb3

bb3:
  %68 = tuple ()
  return %68 : $()
}

sil_property #Complex.x<τ_0_0 where τ_0_0 : FloatingPoint> ()
sil_property #Complex.y<τ_0_0 where τ_0_0 : FloatingPoint> ()