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// RUN: %clang_cc1 -triple x86_64-pc-windows-msvc18.0.0 -fcoroutines -emit-llvm %s -o - -disable-llvm-passes | FileCheck %s
void *myAlloc(long long);
// CHECK-LABEL: f(
void f(int n) {
// CHECK: %n.addr = alloca i32
// CHECK: %promise = alloca i32
int promise;
// CHECK: %[[COROID:.+]] = call token @llvm.coro.id(i32 32, ptr %promise, ptr null, ptr null)
__builtin_coro_id(32, &promise, 0, 0);
// CHECK-NEXT: call i1 @llvm.coro.alloc(token %[[COROID]])
__builtin_coro_alloc();
// CHECK-NEXT: call ptr @llvm.coro.noop()
__builtin_coro_noop();
// CHECK-NEXT: %[[SIZE:.+]] = call i64 @llvm.coro.size.i64()
// CHECK-NEXT: %[[MEM:.+]] = call ptr @myAlloc(i64 noundef %[[SIZE]])
// CHECK-NEXT: %[[FRAME:.+]] = call ptr @llvm.coro.begin(token %[[COROID]], ptr %[[MEM]])
__builtin_coro_begin(myAlloc(__builtin_coro_size()));
// CHECK-NEXT: call void @llvm.coro.resume(ptr %[[FRAME]])
__builtin_coro_resume(__builtin_coro_frame());
// CHECK-NEXT: call void @llvm.coro.destroy(ptr %[[FRAME]])
__builtin_coro_destroy(__builtin_coro_frame());
// CHECK-NEXT: call i1 @llvm.coro.done(ptr %[[FRAME]])
__builtin_coro_done(__builtin_coro_frame());
// CHECK-NEXT: call ptr @llvm.coro.promise(ptr %[[FRAME]], i32 48, i1 false)
__builtin_coro_promise(__builtin_coro_frame(), 48, 0);
// CHECK-NEXT: call ptr @llvm.coro.free(token %[[COROID]], ptr %[[FRAME]])
__builtin_coro_free(__builtin_coro_frame());
// CHECK-NEXT: call void @llvm.coro.end(ptr %[[FRAME]], i1 false, token none)
__builtin_coro_end(__builtin_coro_frame(), 0);
// CHECK-NEXT: call i8 @llvm.coro.suspend(token none, i1 true)
__builtin_coro_suspend(1);
}
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