Files
swift-mirror/test/SILGen/tuples.swift
John McCall 36c605f7dc Remove ScalarToTupleExpr in favor of a flag on TupleShuffleExpr.
Also, implement in-place initialization through tuple shuffles.

Swift SVN r28227
2015-05-06 23:44:26 +00:00

115 lines
5.0 KiB
Swift

// RUN: %target-swift-frontend -emit-silgen %s | FileCheck %s
class C {}
enum Foo {
case X(C, Int)
}
// <rdar://problem/16020428>
// CHECK-LABEL: sil hidden @_TF6tuples8matchFooFT1xOS_3Foo_T_
func matchFoo(x x: Foo) {
switch x {
case .X(let x):
()
}
}
protocol P { func foo() }
struct A : P { func foo() {} }
func make_int() -> Int { return 0 }
func make_p() -> P { return A() }
func make_xy() -> (x: Int, y: P) { return (make_int(), make_p()) }
// CHECK-LABEL: sil hidden @_TF6tuples17testShuffleOpaqueFT_T_
func testShuffleOpaque() {
// CHECK: [[X:%.*]] = alloc_box $P
// CHECK: [[Y:%.*]] = alloc_box $Int
// CHECK: [[T0:%.*]] = function_ref @_TF6tuples7make_xyFT_T1xSi1yPS_1P__
// CHECK-NEXT: [[TEMP:%.*]] = alloc_stack $(x: Int, y: P)
// CHECK-NEXT: apply [[T0]]([[TEMP]]#1)
// CHECK-NEXT: [[T0:%.*]] = tuple_element_addr [[TEMP]]#1 : $*(x: Int, y: P), 0
// CHECK-NEXT: [[T1:%.*]] = load [[T0]] : $*Int
// CHECK-NEXT: [[T2:%.*]] = tuple_element_addr [[TEMP]]#1 : $*(x: Int, y: P), 1
// CHECK-NEXT: store [[T1]] to [[Y]]#1
// CHECK-NEXT: copy_addr [take] [[T2]] to [initialization] [[X]]#1
// CHECK-NEXT: dealloc_stack [[TEMP]]
var (x,y) : (y:P, x:Int) = make_xy()
// CHECK-NEXT: [[PAIR:%.*]] = alloc_box $(y: P, x: Int)
// CHECK-NEXT: [[PAIR_0:%.*]] = tuple_element_addr [[PAIR]]#1 : $*(y: P, x: Int), 0
// CHECK-NEXT: [[PAIR_1:%.*]] = tuple_element_addr [[PAIR]]#1 : $*(y: P, x: Int), 1
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[T0:%.*]] = function_ref @_TF6tuples7make_xyFT_T1xSi1yPS_1P__
// CHECK-NEXT: [[TEMP:%.*]] = alloc_stack $(x: Int, y: P)
// CHECK-NEXT: apply [[T0]]([[TEMP]]#1)
// CHECK-NEXT: [[T0:%.*]] = tuple_element_addr [[TEMP]]#1 : $*(x: Int, y: P), 0
// CHECK-NEXT: [[T1:%.*]] = load [[T0]] : $*Int
// CHECK-NEXT: [[T2:%.*]] = tuple_element_addr [[TEMP]]#1 : $*(x: Int, y: P), 1
// CHECK-NEXT: store [[T1]] to [[PAIR_1]]
// CHECK-NEXT: copy_addr [take] [[T2]] to [initialization] [[PAIR_0]]
// CHECK-NEXT: dealloc_stack [[TEMP]]
var pair : (y:P, x:Int) = make_xy()
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[T0:%.*]] = function_ref @_TF6tuples7make_xyFT_T1xSi1yPS_1P__
// CHECK-NEXT: [[TEMP:%.*]] = alloc_stack $(x: Int, y: P)
// CHECK-NEXT: apply [[T0]]([[TEMP]]#1)
// CHECK-NEXT: [[T0:%.*]] = tuple_element_addr [[TEMP]]#1 : $*(x: Int, y: P), 0
// CHECK-NEXT: [[T1:%.*]] = load [[T0]] : $*Int
// CHECK-NEXT: [[T2:%.*]] = tuple_element_addr [[TEMP]]#1 : $*(x: Int, y: P), 1
// CHECK-NEXT: [[TEMP2:%.*]] = alloc_stack $(y: P, x: Int)
// CHECK-NEXT: [[TEMP2_0:%.*]] = tuple_element_addr [[TEMP2]]#1 : $*(y: P, x: Int), 0
// CHECK-NEXT: copy_addr [take] [[T2]] to [initialization] [[TEMP2_0]]
// CHECK-NEXT: [[TEMP2_1:%.*]] = tuple_element_addr [[TEMP2]]#1 : $*(y: P, x: Int), 1
// CHECK-NEXT: store [[T1]] to [[TEMP2_1]]
// CHECK-NEXT: copy_addr [take] [[TEMP2]]#1 to [[PAIR]]#1
// CHECK-NEXT: dealloc_stack [[TEMP2]]
// CHECK-NEXT: dealloc_stack [[TEMP]]
pair = make_xy()
}
func testShuffleTuple() {
// CHECK: [[X:%.*]] = alloc_box $P
// CHECK: [[Y:%.*]] = alloc_box $Int
// CHECK: [[T0:%.*]] = function_ref @_TF6tuples8make_intFT_Si
// CHECK-NEXT: [[T1:%.*]] = apply [[T0]]()
// CHECK-NEXT: store [[T1]] to [[Y]]#1
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[T0:%.*]] = function_ref @_TF6tuples6make_pFT_PS_1P_
// CHECK-NEXT: apply [[T0]]([[X]]#1)
var (x,y) : (y:P, x:Int) = (x: make_int(), y: make_p())
// CHECK-NEXT: [[PAIR:%.*]] = alloc_box $(y: P, x: Int)
// CHECK-NEXT: [[PAIR_0:%.*]] = tuple_element_addr [[PAIR]]#1 : $*(y: P, x: Int), 0
// CHECK-NEXT: [[PAIR_1:%.*]] = tuple_element_addr [[PAIR]]#1 : $*(y: P, x: Int), 1
// CHECK-NEXT: // function_ref
// CHECK: [[T0:%.*]] = function_ref @_TF6tuples8make_intFT_Si
// CHECK-NEXT: [[T1:%.*]] = apply [[T0]]()
// CHECK-NEXT: store [[T1]] to [[PAIR_1]]
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[T0:%.*]] = function_ref @_TF6tuples6make_pFT_PS_1P_
// CHECK-NEXT: apply [[T0]]([[PAIR_0]])
var pair : (y:P, x:Int) = (x: make_int(), y: make_p())
// This isn't really optimal; we should be evaluating make_p directly
// into the temporary.
// CHECK-NEXT: // function_ref
// CHECK: [[T0:%.*]] = function_ref @_TF6tuples8make_intFT_Si
// CHECK-NEXT: [[INT:%.*]] = apply [[T0]]()
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[T0:%.*]] = function_ref @_TF6tuples6make_pFT_PS_1P_
// CHECK-NEXT: [[TEMP:%.*]] = alloc_stack $P
// CHECK-NEXT: apply [[T0]]([[TEMP]]#1)
// CHECK-NEXT: [[TEMP2:%.*]] = alloc_stack $(y: P, x: Int)
// CHECK-NEXT: [[TEMP2_0:%.*]] = tuple_element_addr [[TEMP2]]#1 : $*(y: P, x: Int), 0
// CHECK-NEXT: copy_addr [take] [[TEMP]]#1 to [initialization] [[TEMP2_0]]
// CHECK-NEXT: [[TEMP2_1:%.*]] = tuple_element_addr [[TEMP2]]#1 : $*(y: P, x: Int), 1
// CHECK-NEXT: store [[INT]] to [[TEMP2_1]]
// CHECK-NEXT: copy_addr [take] [[TEMP2]]#1 to [[PAIR]]#1
// CHECK-NEXT: dealloc_stack [[TEMP2]]
// CHECK-NEXT: dealloc_stack [[TEMP]]
pair = (x: make_int(), y: make_p())
}