1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -triple nvptx-unknown-unknown -target-cpu sm_90 -verify %s
3 #include "Inputs/cuda.h"
5 __launch_bounds__(128, 7) void Test2Args(void);
6 __launch_bounds__(128) void Test1Arg(void);
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 __launch_bounds__(1, 1, 0x10000000000000000) void TestWayTooBigArg(void); // expected-error {{integer literal is too large to be represented in any integer type}}
13 __launch_bounds__(-128, 7) void TestNegArg1(void); // expected-warning {{'launch_bounds' attribute parameter 0 is negative and will be ignored}}
14 __launch_bounds__(128, -7) void TestNegArg2(void); // expected-warning {{'launch_bounds' attribute parameter 1 is negative and will be ignored}}
15 __launch_bounds__(-128, 1, 7) void TestNegArg2(void); // expected-warning {{'launch_bounds' attribute parameter 0 is negative and will be ignored}}
16 __launch_bounds__(128, -1, 7) void TestNegArg2(void); // expected-warning {{'launch_bounds' attribute parameter 1 is negative and will be ignored}}
17 __launch_bounds__(128, 1, -7) void TestNegArg2(void); // expected-warning {{'launch_bounds' attribute parameter 2 is negative and will be ignored}}
18 // expected-warning@20 {{'launch_bounds' attribute parameter 0 is negative and will be ignored}}
19 // expected-warning@20 {{'launch_bounds' attribute parameter 1 is negative and will be ignored}}
20 __launch_bounds__(-128, -1, 7) void TestNegArg2(void);
21 // expected-warning@23 {{'launch_bounds' attribute parameter 0 is negative and will be ignored}}
22 // expected-warning@23 {{'launch_bounds' attribute parameter 2 is negative and will be ignored}}
23 __launch_bounds__(-128, 1, -7) void TestNegArg2(void);
24 // expected-warning@27 {{'launch_bounds' attribute parameter 0 is negative and will be ignored}}
25 // expected-warning@27 {{'launch_bounds' attribute parameter 1 is negative and will be ignored}}
26 // expected-warning@27 {{'launch_bounds' attribute parameter 2 is negative and will be ignored}}
27 __launch_bounds__(-128, -1, -7) void TestNegArg2(void);
30 __launch_bounds__(1, 2, 3, 4) void Test4Args(void); // expected-error {{'launch_bounds' attribute takes no more than 3 arguments}}
31 __launch_bounds__() void TestNoArgs(void); // expected-error {{'launch_bounds' attribute takes at least 1 argument}}
33 int TestNoFunction __launch_bounds__(128, 7, 13); // expected-warning {{'launch_bounds' attribute only applies to Objective-C methods, functions, and function pointers}}
35 __launch_bounds__(true) void TestBool(void);
36 __launch_bounds__(128, 1, 128.0) void TestFP(void); // expected-error {{'launch_bounds' attribute requires parameter 2 to be an integer constant}}
37 __launch_bounds__(128, 1, (void*)0) void TestNullptr(void); // expected-error {{'launch_bounds' attribute requires parameter 2 to be an integer constant}}
39 int nonconstint = 256;
40 __launch_bounds__(125, 1, nonconstint) void TestNonConstInt(void); // expected-error {{'launch_bounds' attribute requires parameter 2 to be an integer constant}}
42 const int constint = 512;
43 __launch_bounds__(128, 1, constint) void TestConstInt(void);
44 __launch_bounds__(128, 1, constint * 2 + 3) void TestConstIntExpr(void);
46 template <int a, int b, int c> __launch_bounds__(a, b, c) void TestTemplate2Args(void) {}
47 template void TestTemplate2Args<128,7, 13>(void);
49 template <int a, int b, int c>
50 __launch_bounds__(a + b, c + constint, a + b + c + constint) void TestTemplateExpr(void) {}
51 template void TestTemplateExpr<128+constint, 3, 7>(void);
53 template <int... Args>
54 __launch_bounds__(Args) void TestTemplateVariadicArgs(void) {} // expected-error {{expression contains unexpanded parameter pack 'Args'}}
56 template <int... Args>
57 __launch_bounds__(1, 22, Args) void TestTemplateVariadicArgs2(void) {} // expected-error {{expression contains unexpanded parameter pack 'Args'}}