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1 // RUN: %clang_cc1 -analyze -analyzer-checker=optin.mpi.MPI-Checker -verify %s
2 
3 #include "MPIMock.h"
4 
5 // Use MPI-Checker to test 'getDescriptiveName', as the checker uses the
6 // function for diagnostics.
testGetDescriptiveName()7 void testGetDescriptiveName() {
8   int rank = 0;
9   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
10   MPI_Request sendReq1;
11   MPI_Wait(&sendReq1, MPI_STATUS_IGNORE); // expected-warning{{Request 'sendReq1' has no matching nonblocking call.}}
12 }
13 
testGetDescriptiveName2()14 void testGetDescriptiveName2() {
15   int rank = 0;
16   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
17   MPI_Request sendReq1[10][10][10];
18   MPI_Wait(&sendReq1[1][7][9], MPI_STATUS_IGNORE); // expected-warning{{Request 'sendReq1[1][7][9]' has no matching nonblocking call.}}
19 }
20 
testGetDescriptiveName3()21 void testGetDescriptiveName3() {
22   int rank = 0;
23   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
24   typedef struct { MPI_Request req; } ReqStruct;
25   ReqStruct rs;
26   MPI_Request *r = &rs.req;
27   MPI_Wait(r, MPI_STATUS_IGNORE); // expected-warning{{Request 'rs.req' has no matching nonblocking call.}}
28 }
29 
testGetDescriptiveName4()30 void testGetDescriptiveName4() {
31   int rank = 0;
32   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
33   typedef struct { MPI_Request req[2][2]; } ReqStruct;
34   ReqStruct rs;
35   MPI_Request *r = &rs.req[0][1];
36   MPI_Wait(r, MPI_STATUS_IGNORE); // expected-warning{{Request 'rs.req[0][1]' has no matching nonblocking call.}}
37 }
38 
testGetDescriptiveName5()39 void testGetDescriptiveName5() {
40   int rank = 0;
41   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
42   typedef struct { MPI_Request req; } ReqStructInner;
43   typedef struct  { ReqStructInner req; } ReqStruct;
44   ReqStruct rs;
45   MPI_Request *r = &rs.req.req;
46   MPI_Wait(r, MPI_STATUS_IGNORE); // expected-warning{{Request 'rs.req.req' has no matching nonblocking call.}}
47 }
48