test/IRGen/value_buffers.sil

// RUN: %target-swift-frontend %s -emit-ir | %FileCheck %s

// REQUIRES: CPU=x86_64

sil_stage canonical

import Builtin
import Swift

struct BigStruct {
  var x, y, z, w, v, u : Int
}

sil @alloc_small : $(@inout Builtin.UnsafeValueBuffer, Int) -> () {
entry(%b : $*Builtin.UnsafeValueBuffer, %v : $Int):
  %0 = alloc_value_buffer $Int in %b : $*Builtin.UnsafeValueBuffer
  store %v to %0 : $*Int
  %r = tuple ()
  return %r : $()
}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @alloc_small([24 x i8]* nocapture dereferenceable({{.*}}), i64)
// CHECK-NEXT: entry:
// CHECK-NEXT: [[T0:%.*]] = bitcast [24 x i8]* %0 to %TSi*
// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds %TSi, %TSi* [[T0]], i32 0, i32 0
// CHECK-NEXT: store i64 %1, i64* [[T2]], align 8
// CHECK-NEXT: ret void

sil @project_small : $(@inout Builtin.UnsafeValueBuffer, Int) -> () {
entry(%b : $*Builtin.UnsafeValueBuffer, %v : $Int):
  %0 = project_value_buffer $Int in %b : $*Builtin.UnsafeValueBuffer
  store %v to %0 : $*Int
  %r = tuple ()
  return %r : $()
}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @project_small([24 x i8]* nocapture dereferenceable({{.*}}), i64)
// CHECK-NEXT: entry:
// CHECK-NEXT: [[T0:%.*]] = bitcast [24 x i8]* %0 to %TSi*
// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds %TSi, %TSi* [[T0]], i32 0, i32 0
// CHECK-NEXT: store i64 %1, i64* [[T2]], align 8
// CHECK-NEXT: ret void

sil @dealloc_small : $(@inout Builtin.UnsafeValueBuffer) -> () {
entry(%b : $*Builtin.UnsafeValueBuffer):
  dealloc_value_buffer $Int in %b : $*Builtin.UnsafeValueBuffer
  %r = tuple ()
  return %r : $()
}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @dealloc_small([24 x i8]* nocapture dereferenceable({{.*}}))
// CHECK-NEXT: entry:
// CHECK-NEXT: ret void

sil @alloc_big : $(@inout Builtin.UnsafeValueBuffer, BigStruct) -> () {
entry(%b : $*Builtin.UnsafeValueBuffer, %v : $BigStruct):
  %0 = alloc_value_buffer $BigStruct in %b : $*Builtin.UnsafeValueBuffer
  store %v to %0 : $*BigStruct
  %r = tuple ()
  return %r : $()
}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @alloc_big([24 x i8]* nocapture dereferenceable({{.*}}), %T13value_buffers9BigStructV* noalias nocapture dereferenceable({{.*}}))
// CHECK-NEXT: entry:
// CHECK-NEXT: [[T0:%.*]] = call noalias i8* @swift_slowAlloc(i64 48, i64 7)
// CHECK-NEXT: [[T1:%.*]] = bitcast [24 x i8]* %0 to i8**
// CHECK-NEXT: store i8* [[T0]], i8** [[T1]], align 8
// CHECK-NEXT: [[ADDR:%.*]] = bitcast i8* [[T0]] to %T13value_buffers9BigStructV*
// CHECK-NEXT: [[PARAM1:%.*]] = bitcast %T13value_buffers9BigStructV* [[ADDR]] to i8*
// CHECK-NEXT: [[PARAM2:%.*]] = bitcast %T13value_buffers9BigStructV* %1 to i8*
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[PARAM1]], i8* align 8 [[PARAM2]], i64 48, i1 false)
// CHECK-NEXT: ret void

sil @project_big : $(@inout Builtin.UnsafeValueBuffer, BigStruct) -> () {
entry(%b : $*Builtin.UnsafeValueBuffer, %v : $BigStruct):
  %0 = project_value_buffer $BigStruct in %b : $*Builtin.UnsafeValueBuffer
  store %v to %0 : $*BigStruct
  %r = tuple ()
  return %r : $()
}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @project_big([24 x i8]* nocapture dereferenceable({{.*}}), %T13value_buffers9BigStructV* noalias nocapture dereferenceable({{.*}}))
// CHECK-NEXT: entry:
// CHECK-NEXT: [[T0:%.*]] = bitcast [24 x i8]* %0 to %T13value_buffers9BigStructV**
// CHECK-NEXT: [[ADDR:%.*]] = load %T13value_buffers9BigStructV*, %T13value_buffers9BigStructV** [[T0]], align 8
// CHECK-NEXT: [[PARAM1:%.*]] = bitcast %T13value_buffers9BigStructV* [[ADDR]] to i8*
// CHECK-NEXT: [[PARAM2:%.*]] = bitcast %T13value_buffers9BigStructV* %1 to i8*
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[PARAM1]], i8* align 8 [[PARAM2]], i64 48, i1 false)
// CHECK-NEXT: ret void

sil @dealloc_big : $(@inout Builtin.UnsafeValueBuffer) -> () {
entry(%b : $*Builtin.UnsafeValueBuffer):
  dealloc_value_buffer $BigStruct in %b : $*Builtin.UnsafeValueBuffer
  %r = tuple ()
  return %r : $()
}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @dealloc_big([24 x i8]* nocapture dereferenceable({{.*}}))
// CHECK-NEXT: entry:
// CHECK-NEXT: [[T0:%.*]] = bitcast [24 x i8]* %0 to i8**
// CHECK-NEXT: [[ADDR:%.*]] = load i8*, i8** [[T0]], align 8
// CHECK-NEXT: call void @swift_slowDealloc(i8* [[ADDR]], i64 48, i64 7)
// CHECK-NEXT: ret void