343 lines
10 KiB
C++
343 lines
10 KiB
C++
|
// RUN: %clang_analyze_cc1 -analyzer-checker=optin.mpi.MPI-Checker -verify %s
|
||
|
|
|
||
|
|
#include "MPIMock.h"
|
||
|
|
|
||
|
|
void matchedWait1() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
if (rank >= 0) {
|
||
|
|
MPI_Request sendReq1, recvReq1;
|
||
|
|
MPI_Isend(&buf, 1, MPI_DOUBLE, rank + 1, 0, MPI_COMM_WORLD, &sendReq1);
|
||
|
|
MPI_Irecv(&buf, 1, MPI_DOUBLE, rank - 1, 0, MPI_COMM_WORLD, &recvReq1);
|
||
|
|
|
||
|
|
MPI_Wait(&sendReq1, MPI_STATUS_IGNORE);
|
||
|
|
MPI_Wait(&recvReq1, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void matchedWait2() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
if (rank >= 0) {
|
||
|
|
MPI_Request sendReq1, recvReq1;
|
||
|
|
MPI_Isend(&buf, 1, MPI_DOUBLE, rank + 1, 0, MPI_COMM_WORLD, &sendReq1);
|
||
|
|
MPI_Irecv(&buf, 1, MPI_DOUBLE, rank - 1, 0, MPI_COMM_WORLD, &recvReq1);
|
||
|
|
MPI_Wait(&sendReq1, MPI_STATUS_IGNORE);
|
||
|
|
MPI_Wait(&recvReq1, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void matchedWait3() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
if (rank >= 0) {
|
||
|
|
MPI_Request sendReq1, recvReq1;
|
||
|
|
MPI_Isend(&buf, 1, MPI_DOUBLE, rank + 1, 0, MPI_COMM_WORLD, &sendReq1);
|
||
|
|
MPI_Irecv(&buf, 1, MPI_DOUBLE, rank - 1, 0, MPI_COMM_WORLD, &recvReq1);
|
||
|
|
|
||
|
|
if (rank > 1000) {
|
||
|
|
MPI_Wait(&sendReq1, MPI_STATUS_IGNORE);
|
||
|
|
MPI_Wait(&recvReq1, MPI_STATUS_IGNORE);
|
||
|
|
} else {
|
||
|
|
MPI_Wait(&sendReq1, MPI_STATUS_IGNORE);
|
||
|
|
MPI_Wait(&recvReq1, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void missingWait1() { // Check missing wait for dead region.
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Request sendReq1;
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD, &sendReq1);
|
||
|
|
} // expected-warning{{Request 'sendReq1' has no matching wait.}}
|
||
|
|
|
||
|
|
void missingWait2() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
if (rank == 0) {
|
||
|
|
} else {
|
||
|
|
MPI_Request sendReq1, recvReq1;
|
||
|
|
|
||
|
|
MPI_Isend(&buf, 1, MPI_DOUBLE, rank + 1, 0, MPI_COMM_WORLD, &sendReq1);
|
||
|
|
MPI_Irecv(&buf, 1, MPI_DOUBLE, rank - 1, 0, MPI_COMM_WORLD, &recvReq1); // expected-warning{{Request 'sendReq1' has no matching wait.}}
|
||
|
|
MPI_Wait(&recvReq1, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void doubleNonblocking() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
if (rank == 1) {
|
||
|
|
} else {
|
||
|
|
MPI_Request sendReq1;
|
||
|
|
|
||
|
|
MPI_Isend(&buf, 1, MPI_DOUBLE, rank + 1, 0, MPI_COMM_WORLD, &sendReq1);
|
||
|
|
MPI_Irecv(&buf, 1, MPI_DOUBLE, rank - 1, 0, MPI_COMM_WORLD, &sendReq1); // expected-warning{{Double nonblocking on request 'sendReq1'.}}
|
||
|
|
MPI_Wait(&sendReq1, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void doubleNonblocking2() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
|
||
|
|
MPI_Request req;
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD, &req);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD, &req); // expected-warning{{Double nonblocking on request 'req'.}}
|
||
|
|
MPI_Wait(&req, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void doubleNonblocking3() {
|
||
|
|
typedef struct { MPI_Request req; } ReqStruct;
|
||
|
|
|
||
|
|
ReqStruct rs;
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD, &rs.req);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD, &rs.req); // expected-warning{{Double nonblocking on request 'rs.req'.}}
|
||
|
|
MPI_Wait(&rs.req, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void doubleNonblocking4() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
|
||
|
|
MPI_Request req;
|
||
|
|
for (int i = 0; i < 2; ++i) {
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD, &req); // expected-warning{{Double nonblocking on request 'req'.}}
|
||
|
|
}
|
||
|
|
MPI_Wait(&req, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void tripleNonblocking() {
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Request sendReq;
|
||
|
|
MPI_Isend(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &sendReq);
|
||
|
|
MPI_Irecv(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &sendReq); // expected-warning{{Double nonblocking on request 'sendReq'.}}
|
||
|
|
MPI_Isend(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &sendReq); // expected-warning{{Double nonblocking on request 'sendReq'.}}
|
||
|
|
MPI_Wait(&sendReq, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void missingNonBlocking() {
|
||
|
|
int rank = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
MPI_Request sendReq1[10][10][10];
|
||
|
|
MPI_Wait(&sendReq1[1][7][9], MPI_STATUS_IGNORE); // expected-warning{{Request 'sendReq1[1][7][9]' has no matching nonblocking call.}}
|
||
|
|
}
|
||
|
|
|
||
|
|
void missingNonBlocking2() {
|
||
|
|
int rank = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
typedef struct { MPI_Request req[2][2]; } ReqStruct;
|
||
|
|
ReqStruct rs;
|
||
|
|
MPI_Request *r = &rs.req[0][1];
|
||
|
|
MPI_Wait(r, MPI_STATUS_IGNORE); // expected-warning{{Request 'rs.req[0][1]' has no matching nonblocking call.}}
|
||
|
|
}
|
||
|
|
|
||
|
|
void missingNonBlocking3() {
|
||
|
|
int rank = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
MPI_Request sendReq;
|
||
|
|
MPI_Wait(&sendReq, MPI_STATUS_IGNORE); // expected-warning{{Request 'sendReq' has no matching nonblocking call.}}
|
||
|
|
}
|
||
|
|
|
||
|
|
void missingNonBlockingMultiple() {
|
||
|
|
int rank = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
MPI_Request sendReq[4];
|
||
|
|
for (int i = 0; i < 4; ++i) {
|
||
|
|
MPI_Wait(&sendReq[i], MPI_STATUS_IGNORE); // expected-warning-re 1+{{Request {{.*}} has no matching nonblocking call.}}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void missingNonBlockingWaitall() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
MPI_Request req[4];
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req[0]);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req[1]);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req[3]);
|
||
|
|
|
||
|
|
MPI_Waitall(4, req, MPI_STATUSES_IGNORE); // expected-warning{{Request 'req[2]' has no matching nonblocking call.}}
|
||
|
|
}
|
||
|
|
|
||
|
|
void missingNonBlockingWaitall2() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
MPI_Request req[4];
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req[0]);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req[3]);
|
||
|
|
|
||
|
|
MPI_Waitall(4, req, MPI_STATUSES_IGNORE); // expected-warning-re 2{{Request '{{(.*)[[1-2]](.*)}}' has no matching nonblocking call.}}
|
||
|
|
}
|
||
|
|
|
||
|
|
void missingNonBlockingWaitall3() {
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
MPI_Request req[4];
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req[0]);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req[2]);
|
||
|
|
|
||
|
|
MPI_Waitall(4, req, MPI_STATUSES_IGNORE); // expected-warning-re 2{{Request '{{(.*)[[1,3]](.*)}}' has no matching nonblocking call.}}
|
||
|
|
}
|
||
|
|
|
||
|
|
void missingNonBlockingWaitall4() {
|
||
|
|
int rank = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
MPI_Request req[4];
|
||
|
|
MPI_Waitall(4, req, MPI_STATUSES_IGNORE); // expected-warning-re 4{{Request '{{(.*)[[0-3]](.*)}}' has no matching nonblocking call.}}
|
||
|
|
}
|
||
|
|
|
||
|
|
void noDoubleRequestUsage() {
|
||
|
|
typedef struct {
|
||
|
|
MPI_Request req;
|
||
|
|
MPI_Request req2;
|
||
|
|
} ReqStruct;
|
||
|
|
|
||
|
|
ReqStruct rs;
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&rs.req);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&rs.req2);
|
||
|
|
MPI_Wait(&rs.req, MPI_STATUS_IGNORE);
|
||
|
|
MPI_Wait(&rs.req2, MPI_STATUS_IGNORE);
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void noDoubleRequestUsage2() {
|
||
|
|
typedef struct {
|
||
|
|
MPI_Request req[2];
|
||
|
|
MPI_Request req2;
|
||
|
|
} ReqStruct;
|
||
|
|
|
||
|
|
ReqStruct rs;
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&rs.req[0]);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&rs.req[1]);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&rs.req2);
|
||
|
|
MPI_Wait(&rs.req[0], MPI_STATUS_IGNORE);
|
||
|
|
MPI_Wait(&rs.req[1], MPI_STATUS_IGNORE);
|
||
|
|
MPI_Wait(&rs.req2, MPI_STATUS_IGNORE);
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void nestedRequest() {
|
||
|
|
typedef struct {
|
||
|
|
MPI_Request req[2];
|
||
|
|
MPI_Request req2;
|
||
|
|
} ReqStruct;
|
||
|
|
|
||
|
|
ReqStruct rs;
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&rs.req[0]);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&rs.req[1]);
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&rs.req2);
|
||
|
|
MPI_Waitall(2, rs.req, MPI_STATUSES_IGNORE);
|
||
|
|
MPI_Wait(&rs.req2, MPI_STATUS_IGNORE);
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void singleRequestInWaitall() {
|
||
|
|
MPI_Request r;
|
||
|
|
int rank = 0;
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&r);
|
||
|
|
MPI_Waitall(1, &r, MPI_STATUSES_IGNORE);
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void multiRequestUsage() {
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Request req;
|
||
|
|
|
||
|
|
MPI_Isend(&buf, 1, MPI_DOUBLE, 1, 0, MPI_COMM_WORLD, &req);
|
||
|
|
MPI_Wait(&req, MPI_STATUS_IGNORE);
|
||
|
|
|
||
|
|
MPI_Irecv(&buf, 1, MPI_DOUBLE, 1, 0, MPI_COMM_WORLD, &req);
|
||
|
|
MPI_Wait(&req, MPI_STATUS_IGNORE);
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void multiRequestUsage2() {
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Request req;
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req);
|
||
|
|
MPI_Wait(&req, MPI_STATUS_IGNORE);
|
||
|
|
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req);
|
||
|
|
MPI_Wait(&req, MPI_STATUS_IGNORE);
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
// wrapper function
|
||
|
|
void callNonblocking(MPI_Request *req) {
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
req);
|
||
|
|
}
|
||
|
|
|
||
|
|
// wrapper function
|
||
|
|
void callWait(MPI_Request *req) {
|
||
|
|
MPI_Wait(req, MPI_STATUS_IGNORE);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Call nonblocking, wait wrapper functions.
|
||
|
|
void callWrapperFunctions() {
|
||
|
|
MPI_Request req;
|
||
|
|
callNonblocking(&req);
|
||
|
|
callWait(&req);
|
||
|
|
} // no error
|
||
|
|
|
||
|
|
void externFunctions1() {
|
||
|
|
double buf = 0;
|
||
|
|
MPI_Request req;
|
||
|
|
MPI_Ireduce(MPI_IN_PLACE, &buf, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD,
|
||
|
|
&req);
|
||
|
|
void callWaitExtern(MPI_Request *req);
|
||
|
|
callWaitExtern(&req);
|
||
|
|
} // expected-warning{{Request 'req' has no matching wait.}}
|
||
|
|
|
||
|
|
void externFunctions2() {
|
||
|
|
MPI_Request req;
|
||
|
|
void callNonblockingExtern(MPI_Request *req);
|
||
|
|
callNonblockingExtern(&req);
|
||
|
|
}
|