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| // RUN: %clang_cc1 -analyze -analyzer-checker=optin.mpi.MPI-Checker -analyzer-output=text -verify %s
|
| // MPI-Checker test file to test note diagnostics.
|
| #include "MPIMock.h"
|
| void doubleNonblocking() {
| double buf = 0;
| MPI_Request sendReq;
| MPI_Isend(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &sendReq); // expected-note{{Request is previously used by nonblocking call here.}}
| MPI_Irecv(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &sendReq); // expected-warning{{Double nonblocking on request 'sendReq'.}} expected-note{{Double nonblocking on request 'sendReq'.}}
| MPI_Wait(&sendReq, MPI_STATUS_IGNORE);
| }
|
| void missingWait() {
| double buf = 0;
| MPI_Request sendReq;
| MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD, &sendReq); // expected-note{{Request is previously used by nonblocking call here.}}
| } // expected-warning{{Request 'sendReq' has no matching wait.}} expected-note{{Request 'sendReq' has no matching wait.}}
|
| // If more than 2 nonblocking calls are using a request in a sequence, they all
| // point to the first call as the 'previous' call. This is because the
| // BugReporterVisitor only checks for differences in state or existence of an
| // entity.
| void tripleNonblocking() {
| double buf = 0;
| MPI_Request sendReq;
| MPI_Isend(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &sendReq); // expected-note 2{{Request is previously used by nonblocking call here.}}
| MPI_Irecv(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &sendReq); // expected-warning{{Double nonblocking on request 'sendReq'.}} expected-note{{Double nonblocking on request 'sendReq'.}}
|
| MPI_Isend(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &sendReq); // expected-warning{{Double nonblocking on request 'sendReq'.}} expected-note{{Double nonblocking on request 'sendReq'.}}
|
| MPI_Wait(&sendReq, MPI_STATUS_IGNORE);
| }
|
|
