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	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2017.01.11.10.40.15;	author joerg;	state Exp;
branches
	1.1.1.1;
next	;
commitid	CNnUNfII1jgNmxBz;

1.1.1.1
date	2017.01.11.10.40.15;	author joerg;	state Exp;
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next	1.1.1.2;
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1.1.1.2
date	2017.08.01.19.34.16;	author joerg;	state Exp;
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	1.1.1.2.4.1;
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1.1.1.3
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1.1.1.4
date	2019.11.13.22.20.16;	author joerg;	state dead;
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1.1.1.1.4.1
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1.1.1.1.4.2
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1.1.1.2.2.1
date	2018.07.28.04.33.43;	author pgoyette;	state Exp;
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1.1.1.2.4.1
date	2019.06.10.21.45.53;	author christos;	state Exp;
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1.1.1.2.4.2
date	2020.04.13.07.47.30;	author martin;	state dead;
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desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcoroutines-ts -std=c++14 -emit-llvm %s -o - -disable-llvm-passes | FileCheck %s

namespace std {
namespace experimental {
template <typename... T>
struct coroutine_traits; // expected-note {{declared here}}
}
}

struct suspend_always {
  bool await_ready() { return false; }
  void await_suspend() {}
  void await_resume() {}
};

struct global_new_delete_tag {};

template<>
struct std::experimental::coroutine_traits<void, global_new_delete_tag> {
  struct promise_type {
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f0( 
extern "C" void f0(global_new_delete_tag) {
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call i8* @@_Znwm(i64 %[[SIZE]])

  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.frame()
  // CHECK: %[[MEM:.+]] = call i8* @@llvm.coro.free(token %[[ID]], i8* %[[FRAME]])
  // CHECK: call void @@_ZdlPv(i8* %[[MEM]])
  co_await suspend_always{};
}

struct promise_new_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_new_tag> {
  struct promise_type {
    void *operator new(unsigned long);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f1( 
extern "C" void f1(promise_new_tag ) {
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call i8* @@_ZNSt12experimental16coroutine_traitsIJv15promise_new_tagEE12promise_typenwEm(i64 %[[SIZE]])

  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.frame()
  // CHECK: %[[MEM:.+]] = call i8* @@llvm.coro.free(token %[[ID]], i8* %[[FRAME]])
  // CHECK: call void @@_ZdlPv(i8* %[[MEM]])
  co_await suspend_always{};
}

struct promise_delete_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_delete_tag> {
  struct promise_type {
    void operator delete(void*);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f2( 
extern "C" void f2(promise_delete_tag) {
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call i8* @@_Znwm(i64 %[[SIZE]])

  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.frame()
  // CHECK: %[[MEM:.+]] = call i8* @@llvm.coro.free(token %[[ID]], i8* %[[FRAME]])
  // CHECK: call void @@_ZNSt12experimental16coroutine_traitsIJv18promise_delete_tagEE12promise_typedlEPv(i8* %[[MEM]])
  co_await suspend_always{};
}

struct promise_sized_delete_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_sized_delete_tag> {
  struct promise_type {
    void operator delete(void*, unsigned long);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f3( 
extern "C" void f3(promise_sized_delete_tag) {
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call i8* @@_Znwm(i64 %[[SIZE]])

  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.frame()
  // CHECK: %[[MEM:.+]] = call i8* @@llvm.coro.free(token %[[ID]], i8* %[[FRAME]])
  // CHECK: %[[SIZE2:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call void @@_ZNSt12experimental16coroutine_traitsIJv24promise_sized_delete_tagEE12promise_typedlEPvm(i8* %[[MEM]], i64 %[[SIZE2]])
  co_await suspend_always{};
}
@


1.1.1.1
log
@Import Clang pre-4.0.0 r291444.
@
text
@@


1.1.1.2
log
@Import clang r309604 from branches/release_50
@
text
@d1 1
a1 3
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcoroutines-ts -std=c++14 \
// RUN:    -Wno-coroutine-missing-unhandled-exception -emit-llvm %s -o - -disable-llvm-passes \
// RUN:   | FileCheck %s
d7 2
a8 28

template <class Promise = void>
struct coroutine_handle {
  coroutine_handle() = default;
  static coroutine_handle from_address(void *) { return {}; }
};

template <>
struct coroutine_handle<void> {
  static coroutine_handle from_address(void *) { return {}; }
  coroutine_handle() = default;
  template <class PromiseType>
  coroutine_handle(coroutine_handle<PromiseType>) {}
};

} // end namespace experimental

struct nothrow_t {};
constexpr nothrow_t nothrow = {};

} // end namespace std

// Required when get_return_object_on_allocation_failure() is defined by
// the promise.
using SizeT = decltype(sizeof(int));
void* operator new(SizeT __sz, const std::nothrow_t&) noexcept;
void  operator delete(void* __p, const std::nothrow_t&) noexcept;

d12 1
a12 1
  void await_suspend(std::experimental::coroutine_handle<>) {}
d28 1
a28 1
// CHECK-LABEL: f0(
a30 4
  // CHECK: %[[NeedAlloc:.+]] = call i1 @@llvm.coro.alloc(token %[[ID]])
  // CHECK: br i1 %[[NeedAlloc]], label %[[AllocBB:.+]], label %[[InitBB:.+]]

  // CHECK: [[AllocBB]]:
d32 1
a32 6
  // CHECK: %[[MEM:.+]] = call i8* @@_Znwm(i64 %[[SIZE]])
  // CHECK: br label %[[InitBB]]

  // CHECK: [[InitBB]]:
  // CHECK: %[[PHI:.+]] = phi i8* [ null, %{{.+}} ], [ %call, %[[AllocBB]] ]
  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.begin(token %[[ID]], i8* %[[PHI]])
d34 1
a35 4
  // CHECK: %[[NeedDealloc:.+]] = icmp ne i8* %[[MEM]], null
  // CHECK: br i1 %[[NeedDealloc]], label %[[FreeBB:.+]], label %[[Afterwards:.+]]

  // CHECK: [[FreeBB]]:
d37 1
a37 5
  // CHECK: br label %[[Afterwards]]

  // CHECK: [[Afterwards]]:
  // CHECK: ret void
  co_return;
d53 1
a53 1
// CHECK-LABEL: f1(
d59 1
a59 1
  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.begin(
d62 1
a62 1
  co_return;
d78 1
a78 1
// CHECK-LABEL: f2(
d84 1
a84 1
  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.begin(
d87 1
a87 1
  co_return;
d103 1
a103 1
// CHECK-LABEL: f3(
d109 1
a109 1
  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.begin(
d113 1
a113 38
  co_return;
}

struct promise_on_alloc_failure_tag {};

template<>
struct std::experimental::coroutine_traits<int, promise_on_alloc_failure_tag> {
  struct promise_type {
    int get_return_object() { return 0; }
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
    static int get_return_object_on_allocation_failure() { return -1; }
  };
};

// CHECK-LABEL: f4(
extern "C" int f4(promise_on_alloc_failure_tag) {
  // CHECK: %[[RetVal:.+]] = alloca i32
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: %[[MEM:.+]] = call i8* @@_ZnwmRKSt9nothrow_t(i64 %[[SIZE]], %"struct.std::nothrow_t"* dereferenceable(1) @@_ZStL7nothrow)
  // CHECK: %[[OK:.+]] = icmp ne i8* %[[MEM]], null
  // CHECK: br i1 %[[OK]], label %[[OKBB:.+]], label %[[ERRBB:.+]]

  // CHECK: [[ERRBB]]:
  // CHECK:   %[[FailRet:.+]] = call i32 @@_ZNSt12experimental16coroutine_traitsIJi28promise_on_alloc_failure_tagEE12promise_type39get_return_object_on_allocation_failureEv(
  // CHECK:   store i32 %[[FailRet]], i32* %[[RetVal]]
  // CHECK:   br label %[[RetBB:.+]]

  // CHECK: [[OKBB]]:
  // CHECK:   %[[OkRet:.+]] = call i32 @@_ZNSt12experimental16coroutine_traitsIJi28promise_on_alloc_failure_tagEE12promise_type17get_return_objectEv(
  // CHECK:   store i32 %[[OkRet]], i32* %[[RetVal]]

  // CHECK: [[RetBB]]:
  // CHECK:   %[[LoadRet:.+]] = load i32, i32* %[[RetVal]], align 4
  // CHECK:   ret i32 %[[LoadRet]]
  co_return;
@


1.1.1.2.4.1
log
@Sync with HEAD
@
text
@a108 54
struct promise_matching_placement_new_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_matching_placement_new_tag, int, float, double> {
  struct promise_type {
    void *operator new(unsigned long, promise_matching_placement_new_tag,
                       int, float, double);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f1a(
extern "C" void f1a(promise_matching_placement_new_tag, int x, float y , double z) {
  // CHECK: store i32 %x, i32* %x.addr, align 4
  // CHECK: store float %y, float* %y.addr, align 4
  // CHECK: store double %z, double* %z.addr, align 8
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: %[[INT:.+]] = load i32, i32* %x.addr, align 4
  // CHECK: %[[FLOAT:.+]] = load float, float* %y.addr, align 4
  // CHECK: %[[DOUBLE:.+]] = load double, double* %z.addr, align 8
  // CHECK: call i8* @@_ZNSt12experimental16coroutine_traitsIJv34promise_matching_placement_new_tagifdEE12promise_typenwEmS1_ifd(i64 %[[SIZE]], i32 %[[INT]], float %[[FLOAT]], double %[[DOUBLE]])
  co_return;
}

// Declare a placement form operator new, such as the one described in
// C++ 18.6.1.3.1, which takes a void* argument.
void* operator new(SizeT __sz, void *__p) noexcept;

struct promise_matching_global_placement_new_tag {};
struct dummy {};
template<>
struct std::experimental::coroutine_traits<void, promise_matching_global_placement_new_tag, dummy*> {
  struct promise_type {
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// A coroutine that takes a single pointer argument should not invoke this
// placement form operator. [dcl.fct.def.coroutine]/7 dictates that lookup for
// allocation functions matching the coroutine function's signature be done
// within the scope of the promise type's class.
// CHECK-LABEL: f1b(
extern "C" void f1b(promise_matching_global_placement_new_tag, dummy *) {
  // CHECK: call i8* @@_Znwm(i64
  co_return;
}

a175 1
  // CHECK: %[[Gro:.+]] = alloca i32
d189 1
a189 5
  // CHECK:   store i32 %[[OkRet]], i32* %[[Gro]]

  // CHECK: %[[Tmp1:.*]] = load i32, i32* %[[Gro]]
  // CHECK-NEXT: store i32 %[[Tmp1]], i32* %[[RetVal]]
  // CHECK-NEXT: br label %[[RetBB]]
@


1.1.1.2.4.2
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.2.2.1
log
@Sync with HEAD
@
text
@a108 54
struct promise_matching_placement_new_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_matching_placement_new_tag, int, float, double> {
  struct promise_type {
    void *operator new(unsigned long, promise_matching_placement_new_tag,
                       int, float, double);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f1a(
extern "C" void f1a(promise_matching_placement_new_tag, int x, float y , double z) {
  // CHECK: store i32 %x, i32* %x.addr, align 4
  // CHECK: store float %y, float* %y.addr, align 4
  // CHECK: store double %z, double* %z.addr, align 8
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: %[[INT:.+]] = load i32, i32* %x.addr, align 4
  // CHECK: %[[FLOAT:.+]] = load float, float* %y.addr, align 4
  // CHECK: %[[DOUBLE:.+]] = load double, double* %z.addr, align 8
  // CHECK: call i8* @@_ZNSt12experimental16coroutine_traitsIJv34promise_matching_placement_new_tagifdEE12promise_typenwEmS1_ifd(i64 %[[SIZE]], i32 %[[INT]], float %[[FLOAT]], double %[[DOUBLE]])
  co_return;
}

// Declare a placement form operator new, such as the one described in
// C++ 18.6.1.3.1, which takes a void* argument.
void* operator new(SizeT __sz, void *__p) noexcept;

struct promise_matching_global_placement_new_tag {};
struct dummy {};
template<>
struct std::experimental::coroutine_traits<void, promise_matching_global_placement_new_tag, dummy*> {
  struct promise_type {
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// A coroutine that takes a single pointer argument should not invoke this
// placement form operator. [dcl.fct.def.coroutine]/7 dictates that lookup for
// allocation functions matching the coroutine function's signature be done
// within the scope of the promise type's class.
// CHECK-LABEL: f1b(
extern "C" void f1b(promise_matching_global_placement_new_tag, dummy *) {
  // CHECK: call i8* @@_Znwm(i64
  co_return;
}

a175 1
  // CHECK: %[[Gro:.+]] = alloca i32
d189 1
a189 5
  // CHECK:   store i32 %[[OkRet]], i32* %[[Gro]]

  // CHECK: %[[Tmp1:.*]] = load i32, i32* %[[Gro]]
  // CHECK-NEXT: store i32 %[[Tmp1]], i32* %[[RetVal]]
  // CHECK-NEXT: br label %[[RetBB]]
@


1.1.1.3
log
@Import clang r337282 from trunk
@
text
@a108 54
struct promise_matching_placement_new_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_matching_placement_new_tag, int, float, double> {
  struct promise_type {
    void *operator new(unsigned long, promise_matching_placement_new_tag,
                       int, float, double);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f1a(
extern "C" void f1a(promise_matching_placement_new_tag, int x, float y , double z) {
  // CHECK: store i32 %x, i32* %x.addr, align 4
  // CHECK: store float %y, float* %y.addr, align 4
  // CHECK: store double %z, double* %z.addr, align 8
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: %[[INT:.+]] = load i32, i32* %x.addr, align 4
  // CHECK: %[[FLOAT:.+]] = load float, float* %y.addr, align 4
  // CHECK: %[[DOUBLE:.+]] = load double, double* %z.addr, align 8
  // CHECK: call i8* @@_ZNSt12experimental16coroutine_traitsIJv34promise_matching_placement_new_tagifdEE12promise_typenwEmS1_ifd(i64 %[[SIZE]], i32 %[[INT]], float %[[FLOAT]], double %[[DOUBLE]])
  co_return;
}

// Declare a placement form operator new, such as the one described in
// C++ 18.6.1.3.1, which takes a void* argument.
void* operator new(SizeT __sz, void *__p) noexcept;

struct promise_matching_global_placement_new_tag {};
struct dummy {};
template<>
struct std::experimental::coroutine_traits<void, promise_matching_global_placement_new_tag, dummy*> {
  struct promise_type {
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// A coroutine that takes a single pointer argument should not invoke this
// placement form operator. [dcl.fct.def.coroutine]/7 dictates that lookup for
// allocation functions matching the coroutine function's signature be done
// within the scope of the promise type's class.
// CHECK-LABEL: f1b(
extern "C" void f1b(promise_matching_global_placement_new_tag, dummy *) {
  // CHECK: call i8* @@_Znwm(i64
  co_return;
}

a175 1
  // CHECK: %[[Gro:.+]] = alloca i32
d189 1
a189 5
  // CHECK:   store i32 %[[OkRet]], i32* %[[Gro]]

  // CHECK: %[[Tmp1:.*]] = load i32, i32* %[[Gro]]
  // CHECK-NEXT: store i32 %[[Tmp1]], i32* %[[RetVal]]
  // CHECK-NEXT: br label %[[RetBB]]
@


1.1.1.4
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.1.4.1
log
@file coro-alloc.cpp was added on branch pgoyette-localcount on 2017-03-20 06:52:59 +0000
@
text
@d1 114
@


1.1.1.1.4.2
log
@Sync with HEAD
@
text
@a0 114
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcoroutines-ts -std=c++14 -emit-llvm %s -o - -disable-llvm-passes | FileCheck %s

namespace std {
namespace experimental {
template <typename... T>
struct coroutine_traits; // expected-note {{declared here}}
}
}

struct suspend_always {
  bool await_ready() { return false; }
  void await_suspend() {}
  void await_resume() {}
};

struct global_new_delete_tag {};

template<>
struct std::experimental::coroutine_traits<void, global_new_delete_tag> {
  struct promise_type {
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f0( 
extern "C" void f0(global_new_delete_tag) {
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call i8* @@_Znwm(i64 %[[SIZE]])

  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.frame()
  // CHECK: %[[MEM:.+]] = call i8* @@llvm.coro.free(token %[[ID]], i8* %[[FRAME]])
  // CHECK: call void @@_ZdlPv(i8* %[[MEM]])
  co_await suspend_always{};
}

struct promise_new_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_new_tag> {
  struct promise_type {
    void *operator new(unsigned long);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f1( 
extern "C" void f1(promise_new_tag ) {
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call i8* @@_ZNSt12experimental16coroutine_traitsIJv15promise_new_tagEE12promise_typenwEm(i64 %[[SIZE]])

  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.frame()
  // CHECK: %[[MEM:.+]] = call i8* @@llvm.coro.free(token %[[ID]], i8* %[[FRAME]])
  // CHECK: call void @@_ZdlPv(i8* %[[MEM]])
  co_await suspend_always{};
}

struct promise_delete_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_delete_tag> {
  struct promise_type {
    void operator delete(void*);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f2( 
extern "C" void f2(promise_delete_tag) {
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call i8* @@_Znwm(i64 %[[SIZE]])

  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.frame()
  // CHECK: %[[MEM:.+]] = call i8* @@llvm.coro.free(token %[[ID]], i8* %[[FRAME]])
  // CHECK: call void @@_ZNSt12experimental16coroutine_traitsIJv18promise_delete_tagEE12promise_typedlEPv(i8* %[[MEM]])
  co_await suspend_always{};
}

struct promise_sized_delete_tag {};

template<>
struct std::experimental::coroutine_traits<void, promise_sized_delete_tag> {
  struct promise_type {
    void operator delete(void*, unsigned long);
    void get_return_object() {}
    suspend_always initial_suspend() { return {}; }
    suspend_always final_suspend() { return {}; }
    void return_void() {}
  };
};

// CHECK-LABEL: f3( 
extern "C" void f3(promise_sized_delete_tag) {
  // CHECK: %[[ID:.+]] = call token @@llvm.coro.id(i32 16
  // CHECK: %[[SIZE:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call i8* @@_Znwm(i64 %[[SIZE]])

  // CHECK: %[[FRAME:.+]] = call i8* @@llvm.coro.frame()
  // CHECK: %[[MEM:.+]] = call i8* @@llvm.coro.free(token %[[ID]], i8* %[[FRAME]])
  // CHECK: %[[SIZE2:.+]] = call i64 @@llvm.coro.size.i64()
  // CHECK: call void @@_ZNSt12experimental16coroutine_traitsIJv24promise_sized_delete_tagEE12promise_typedlEPvm(i8* %[[MEM]], i64 %[[SIZE2]])
  co_await suspend_always{};
}
@