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alignment.sil
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// RUN: %target-swift-frontend -emit-ir %s | FileCheck %s
import Swift
@_alignment(16) struct Foo { var x, y, z, w: Float }
@_alignment(16) enum Empty {}
@_alignment(16) enum Singleton { case V4(Float, Float, Float, Float) }
@_alignment(16) enum NoPayload { case A, B, C }
@_alignment(16) enum SinglePayload { case A(Float), B, C }
@_alignment(16) enum MultiPayload { case A(Float), B(Float), C }
sil @test_alignment : $@convention(thin) () -> () {
entry:
// CHECK: alloca %V9alignment3Foo, align 16
%a = alloc_stack $*Foo
// CHECK: alloca %O9alignment9Singleton, align 16
%b = alloc_stack $*Singleton
%c = alloc_stack $*Empty
// CHECK: alloca %O9alignment9NoPayload, align 16
%d = alloc_stack $*NoPayload
// CHECK: alloca %O9alignment13SinglePayload, align 16
%e = alloc_stack $*SinglePayload
// CHECK: alloca %O9alignment12MultiPayload, align 16
%f = alloc_stack $*MultiPayload
// CHECK: load float{{.*}}, align 16
// CHECK: load float{{.*}}, align 4
// CHECK: load float{{.*}}, align 8
// CHECK: load float{{.*}}, align 4
%z = load %a#1 : $*Foo
// CHECK: store float{{.*}}, align 16
// CHECK: store float{{.*}}, align 4
// CHECK: store float{{.*}}, align 8
// CHECK: store float{{.*}}, align 4
store %z to %a#1 : $*Foo
// CHECK: load float{{.*}}, align 16
// CHECK: load float{{.*}}, align 4
// CHECK: load float{{.*}}, align 8
// CHECK: load float{{.*}}, align 4
%y = load %b#1 : $*Singleton
// CHECK: store float{{.*}}, align 16
// CHECK: store float{{.*}}, align 4
// CHECK: store float{{.*}}, align 8
// CHECK: store float{{.*}}, align 4
store %y to %b#1 : $*Singleton
%x = load %c#1 : $*Empty
store %x to %c#1 : $*Empty
// CHECK: load i2{{.*}}, align 16
%w = load %d#1 : $*NoPayload
// CHECK: store i2{{.*}}, align 16
store %w to %d#1 : $*NoPayload
// CHECK: load i32{{.*}}, align 16
// CHECK: load i1{{.*}}, align 4
%v = load %e#1 : $*SinglePayload
// CHECK: store i32{{.*}}, align 16
// CHECK: store i1{{.*}}, align 4
store %v to %e#1 : $*SinglePayload
// CHECK: load i32{{.*}}, align 16
// CHECK: load i2{{.*}}, align 4
%u = load %f#1 : $*MultiPayload
// CHECK: store i32{{.*}}, align 16
// CHECK: store i2{{.*}}, align 4
store %u to %f#1 : $*MultiPayload
dealloc_stack %f#0 : $*@local_storage MultiPayload
dealloc_stack %e#0 : $*@local_storage SinglePayload
dealloc_stack %d#0 : $*@local_storage NoPayload
dealloc_stack %c#0 : $*@local_storage Empty
dealloc_stack %b#0 : $*@local_storage Singleton
dealloc_stack %a#0 : $*@local_storage Foo
return undef : $()
}