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swift-mirror/test/SILAnalysis/basicaa.sil

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// RUN: %sil-opt %s -aa-dump -o /dev/null | FileCheck %s
import Builtin
// Address Arguments don't alias if they are arguments to the first BB.
//
// CHECK-LABEL: @address_args_dont_alias_in_first_bb
// CHECK: PAIR #0.
// CHECK-NEXT: %0 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: %0 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: MustAlias
// CHECK: PAIR #1.
// CHECK-NEXT: %0 = argument of bb0
// CHECK-NEXT: %1 = argument of bb0
// CHECK-NEXT: NoAlias
// CHECK: PAIR #3.
// CHECK-NEXT: %1 = argument of bb0
// CHECK-NEXT: %0 = argument of bb0
// CHECK-NEXT: NoAlias
sil @address_args_dont_alias_in_first_bb : $@thin (@inout Builtin.ObjectPointer, @inout Builtin.ObjectPointer) -> () {
bb0(%0 : $*Builtin.ObjectPointer, %1 : $*Builtin.ObjectPointer):
%2 = tuple()
return %2 : $()
}
// Address Arguments may alias if they are arguments to a BB besides the first.
//
// FIXME: Once we support looking through PHIs, we will allow for must alias here.
//
// CHECK-LABEL: @address_args_may_alias_in_non_first_bb
// CHECK-NOT: NoAlias
sil @address_args_may_alias_in_non_first_bb : $@thin (@inout Builtin.ObjectPointer) -> () {
bb0(%0 : $*Builtin.ObjectPointer):
br bb1(%0 : $*Builtin.ObjectPointer, %0 : $*Builtin.ObjectPointer)
bb1(%1 : $*Builtin.ObjectPointer, %2 : $*Builtin.ObjectPointer):
%3 = tuple()
return %3 : $()
}
struct StructLvl2 {
var tup : (Builtin.Int64, Builtin.Int32)
}
struct StructLvl1 {
var sub : StructLvl2
var x : Builtin.Int64
}
// Two values with different underlying alloc_stack can not alias.
//
// CHECK-LABEL: @different_alloc_stack_dont_alias
// CHECK: PAIR #0.
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: MustAlias
// CHECK: PAIR #1.
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #2.
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #3.
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (1): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #4.
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: NoAlias
// CHECK: PAIR #14.
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %14 = tuple ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #15.
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #16.
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: MustAlias
// CHECK: PAIR #17.
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #18.
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (1): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #19.
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: MayAlias
// CHECK: PAIR #20.
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %3 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.x
// CHECK-NEXT: MayAlias
// CHECK: PAIR #21.
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %4 = struct_element_addr %2 : $*StructLvl2, #StructLvl2.tup
// CHECK-NEXT: MayAlias
// CHECK: PAIR #56.
// CHECK-NEXT: (1): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %9 = struct_element_addr %7 : $*StructLvl2, #StructLvl2.tup
// CHECK-NEXT: MayAlias
// CHECK: PAIR #57.
// CHECK-NEXT: (1): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %10 = tuple_element_addr %9 : $*(Builtin.Int64, Builtin.Int32), 0
// CHECK-NEXT: MayAlias
// CHECK: PAIR #58.
// CHECK-NEXT: (1): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %11 = tuple_element_addr %9 : $*(Builtin.Int64, Builtin.Int32), 1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #59.
// CHECK-NEXT: (1): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: (0): %14 = tuple ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #60.
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: (0): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #61.
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: (1): %0 = alloc_stack $StructLvl1
// CHECK-NEXT: MayAlias
// CHECK: PAIR #62.
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: (0): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #63.
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: (1): %1 = alloc_stack $StructLvl1
// CHECK-NEXT: NoAlias
// CHECK: PAIR #65.
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: (0): %3 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.x
// CHECK-NEXT: NoAlias
// CHECK: PAIR #66.
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: (0): %4 = struct_element_addr %2 : $*StructLvl2, #StructLvl2.tup
// CHECK-NEXT: MayAlias
// CHECK: PAIR #67.
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: (0): %5 = tuple_element_addr %4 : $*(Builtin.Int64, Builtin.Int32), 0
// CHECK-NEXT: NoAlias
// CHECK: PAIR #68.
// CHECK-NEXT: (0): %2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
// CHECK-NEXT: (0): %6 = tuple_element_addr %4 : $*(Builtin.Int64, Builtin.Int32), 1
// CHECK-NEXT: NoAlias
sil @different_alloc_stack_dont_alias : $@thin () -> () {
%0 = alloc_stack $StructLvl1
%1 = alloc_stack $StructLvl1
%2 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
%3 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.x
%4 = struct_element_addr %2 : $*StructLvl2, #StructLvl2.tup
%5 = tuple_element_addr %4 : $*(Builtin.Int64, Builtin.Int32), 0
%6 = tuple_element_addr %4 : $*(Builtin.Int64, Builtin.Int32), 1
%7 = struct_element_addr %1#1 : $*StructLvl1, #StructLvl1.sub
%8 = struct_element_addr %1#1 : $*StructLvl1, #StructLvl1.x
%9 = struct_element_addr %7 : $*StructLvl2, #StructLvl2.tup
%10 = tuple_element_addr %9 : $*(Builtin.Int64, Builtin.Int32), 0
%11 = tuple_element_addr %9 : $*(Builtin.Int64, Builtin.Int32), 1
dealloc_stack %1#0 : $*@local_storage StructLvl1
dealloc_stack %0#0 : $*@local_storage StructLvl1
%12 = tuple()
return %12 : $()
}
// Function Arguments can not alias with no alias arguments or with identified
// function locals.
//
// @args_dont_alias_with_identified_function_locals
// CHECK: PAIR #1.
// CHECK-NEXT: (0): %0 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #2.
// CHECK-NEXT: (0): %0 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %2 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #3.
// CHECK-NEXT: (0): %0 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #4.
// CHECK-NEXT: (0): %0 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #5.
// CHECK-NEXT: (0): %0 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %5 = tuple ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #6.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %0 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #8.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %2 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #9.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #10.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #12.
// CHECK-NEXT: (0): %2 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %0 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #13.
// CHECK-NEXT: (0): %2 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #15.
// CHECK-NEXT: (0): %2 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #16.
// CHECK-NEXT: (0): %2 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
sil @args_dont_alias_with_identified_function_locals : $@thin (Builtin.ObjectPointer, Builtin.ObjectPointer, @inout Builtin.ObjectPointer) -> () {
bb0(%0 : $Builtin.ObjectPointer, %1 : $Builtin.ObjectPointer, %2 : $*Builtin.ObjectPointer):
%3 = alloc_stack $Builtin.ObjectPointer
dealloc_stack %3#0 : $*@local_storage Builtin.ObjectPointer
%4 = tuple()
return %4 : $()
}
sil @create_object_pointer : $@thin () -> (Builtin.ObjectPointer)
sil @use_object_pointer : $@thin (Builtin.ObjectPointer) -> ()
// @escapesource_functionlocal_test_readwrite_nonescaping_alloca
// Test %1 (the aliasing argument)
// CHECK: PAIR #13.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %0 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #14.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: MustAlias
// CHECK: PAIR #15.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #16.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (1): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #17.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #18.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #19.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: function_ref create_object_pointer
// CHECK-NEXT: %4 = function_ref @create_object_pointer : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #20.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #21.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %6 = load %0 : $*Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #22.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: function_ref use_object_pointer
// CHECK-NEXT: %7 = function_ref @use_object_pointer : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #23.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #24.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #25.
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: (0): %12 = tuple ()
// CHECK-NEXT: MayAlias
// Test %3 (the escaping alloca).
// CHECK: PAIR #52.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %0 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #53.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #54.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #55.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (1): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #56.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: MustAlias
// CHECK: PAIR #57.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #58.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: function_ref create_object_pointer
// CHECK-NEXT: %4 = function_ref @create_object_pointer : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #59.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #60.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %6 = load %0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #61.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: function_ref use_object_pointer
// CHECK-NEXT: %7 = function_ref @use_object_pointer : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: NoAlias
// CHECK: PAIR #62.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #63.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: NoAlias
// CHECK: PAIR #64.
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %12 = tuple ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #65.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %0 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #66.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #67.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #68.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (1): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #69.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #70.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: MustAlias
// CHECK: PAIR #71.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: function_ref create_object_pointer
// CHECK-NEXT: %4 = function_ref @create_object_pointer : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #72.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #73.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %6 = load %0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #74.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: function_ref use_object_pointer
// CHECK-NEXT: %7 = function_ref @use_object_pointer : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: NoAlias
// CHECK: PAIR #75.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #76.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: NoAlias
// CHECK: PAIR #77.
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: (0): %12 = tuple ()
// CHECK-NEXT: MayAlias
// Test %5 (the read write apply inst).
// CHECK: PAIR #91.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %0 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #92.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #93.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #94.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (1): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #95.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #96.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #97.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: function_ref create_object_pointer
// CHECK-NEXT: %4 = function_ref @create_object_pointer : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #98.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: MustAlias
// CHECK: PAIR #99.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %6 = load %0 : $*Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #100.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: function_ref use_object_pointer
// CHECK-NEXT: %7 = function_ref @use_object_pointer : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #101.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #102.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #103.
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: (0): %12 = tuple ()
// CHECK-NEXT: MayAlias
// Test %8 (the escaping load)
// CHECK: PAIR #130.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %0 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #131.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #132.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #133.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (1): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #134.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #135.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #136.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: function_ref create_object_pointer
// CHECK-NEXT: %4 = function_ref @create_object_pointer : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #137.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #138.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %6 = load %0 : $*Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #139.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: function_ref use_object_pointer
// CHECK-NEXT: %7 = function_ref @use_object_pointer : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #140.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: MustAlias
// CHECK: PAIR #141.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #142.
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: (0): %12 = tuple ()
// CHECK-NEXT: MayAlias
// Test %9 (the read write apply inst)
// CHECK: PAIR #143.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %0 = argument of bb0 : $*Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #144.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %1 = argument of bb0 : $Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #145.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #146.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (1): %2 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #147.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #148.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (1): %3 = alloc_stack $Builtin.ObjectPointer
// CHECK-NEXT: NoAlias
// CHECK: PAIR #149.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: function_ref create_object_pointer
// CHECK-NEXT: %4 = function_ref @create_object_pointer : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #150.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %5 = apply %4() : $@thin () -> Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #151.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %6 = load %0 : $*Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #152.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: function_ref use_object_pointer
// CHECK-NEXT: %7 = function_ref @use_object_pointer : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: MayAlias
// CHECK: PAIR #153.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %8 = load %3#1 : $*Builtin.ObjectPointer
// CHECK-NEXT: MayAlias
// CHECK: PAIR #154.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: MustAlias
// CHECK: PAIR #155.
// CHECK-NEXT: (0): %9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
// CHECK-NEXT: (0): %12 = tuple ()
// CHECK-NEXT: MayAlias
sil @escapesource_functionlocal_test_escapesource_nonescapinglocal : $@thin (@inout Builtin.ObjectPointer, Builtin.ObjectPointer) -> () {
bb0(%0 : $*Builtin.ObjectPointer, %1 : $Builtin.ObjectPointer):
%2 = alloc_stack $Builtin.ObjectPointer
%3 = alloc_stack $Builtin.ObjectPointer
%4 = function_ref @create_object_pointer : $@thin () -> Builtin.ObjectPointer
%5 = apply %4() : $@thin () -> Builtin.ObjectPointer
%6 = load %0 : $*Builtin.ObjectPointer
%7 = function_ref @use_object_pointer : $@thin (Builtin.ObjectPointer) -> ()
%8 = load %3#1 : $*Builtin.ObjectPointer
%9 = apply %7(%8) : $@thin (Builtin.ObjectPointer) -> ()
dealloc_stack %3#0 : $*@local_storage Builtin.ObjectPointer
dealloc_stack %2#0 : $*@local_storage Builtin.ObjectPointer
%12 = tuple ()
return %12 : $()
}
// CHECK-LABEL: @projections_from_the_same_source_with_the_same_projection_path_mustalias
// CHECK: PAIR #67.
// CHECK-NEXT: (0): %6 = tuple_element_addr %5 : $*(Builtin.Int64, Builtin.Int32), 1
// CHECK-NEXT: (0): %3 = tuple_element_addr %2 : $*(Builtin.Int64, Builtin.Int32), 1
// CHECK-NEXT: MustAlias
sil @projections_from_the_same_source_with_the_same_projection_path_mustalias : $@thin () -> () {
%0 = alloc_stack $StructLvl1
%1 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
%2 = struct_element_addr %1 : $*StructLvl2, #StructLvl2.tup
%3 = tuple_element_addr %2 : $*(Builtin.Int64, Builtin.Int32), 1
%4 = struct_element_addr %0#1 : $*StructLvl1, #StructLvl1.sub
%5 = struct_element_addr %4 : $*StructLvl2, #StructLvl2.tup
%6 = tuple_element_addr %5 : $*(Builtin.Int64, Builtin.Int32), 1
dealloc_stack %0#0 : $*@local_storage StructLvl1
%7 = tuple()
return %7 : $()
}