1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2 
3 #include "Inputs/cuda.h"
4 
5 __launch_bounds__(128, 7) void Test2Args(void);
6 __launch_bounds__(128) void Test1Arg(void);
7 
8 __launch_bounds__(0xffffffff) void TestMaxArg(void);
9 __launch_bounds__(0x100000000) void TestTooBigArg(void); // expected-error {{integer constant expression evaluates to value 4294967296 that cannot be represented in a 32-bit unsigned integer type}}
10 __launch_bounds__(0x10000000000000000) void TestWayTooBigArg(void); // expected-error {{integer literal is too large to be represented in any integer type}}
11 
12 __launch_bounds__(-128, 7) void TestNegArg1(void); // expected-warning {{'launch_bounds' attribute parameter 0 is negative and will be ignored}}
13 __launch_bounds__(128, -7) void TestNegArg2(void); // expected-warning {{'launch_bounds' attribute parameter 1 is negative and will be ignored}}
14 
15 __launch_bounds__(1, 2, 3) void Test3Args(void); // expected-error {{'launch_bounds' attribute takes no more than 2 arguments}}
16 __launch_bounds__() void TestNoArgs(void); // expected-error {{'launch_bounds' attribute takes at least 1 argument}}
17 
18 int TestNoFunction __launch_bounds__(128, 7); // expected-warning {{'launch_bounds' attribute only applies to functions and methods}}
19 
20 __launch_bounds__(true) void TestBool(void);
21 __launch_bounds__(128.0) void TestFP(void); // expected-error {{'launch_bounds' attribute requires parameter 0 to be an integer constant}}
22 __launch_bounds__((void*)0) void TestNullptr(void); // expected-error {{'launch_bounds' attribute requires parameter 0 to be an integer constant}}
23 
24 int nonconstint = 256;
25 __launch_bounds__(nonconstint) void TestNonConstInt(void); // expected-error {{'launch_bounds' attribute requires parameter 0 to be an integer constant}}
26 
27 const int constint = 512;
28 __launch_bounds__(constint) void TestConstInt(void);
29 __launch_bounds__(constint * 2 + 3) void TestConstIntExpr(void);
30 
31 template <int a, int b> __launch_bounds__(a, b) void TestTemplate2Args(void) {}
32 template void TestTemplate2Args<128,7>(void);
33 
34 template <int a> __launch_bounds__(a) void TestTemplate1Arg(void) {}
35 template void TestTemplate1Arg<128>(void);
36 
37 template <class a>
38 __launch_bounds__(a) void TestTemplate1ArgClass(void) {} // expected-error {{'a' does not refer to a value}}
39 // expected-note@-2 {{declared here}}
40 
41 template <int a, int b, int c>
42 __launch_bounds__(a + b, c + constint) void TestTemplateExpr(void) {}
43 template void TestTemplateExpr<128+constint, 3, 7>(void);
44 
45 template <int... Args>
46 __launch_bounds__(Args) void TestTemplateVariadicArgs(void) {} // expected-error {{expression contains unexpanded parameter pack 'Args'}}
47 
48 template <int... Args>
49 __launch_bounds__(1, Args) void TestTemplateVariadicArgs2(void) {} // expected-error {{expression contains unexpanded parameter pack 'Args'}}
50