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// REQUIRES: static-analyzer
// RUN: %check_clang_tidy %s mpi-buffer-deref %t -- -- -I %S/Inputs/type-mismatch
#include "mpimock.h"
void negativeTests() {
char *buf;
MPI_Send(&buf, 1, MPI_CHAR, 0, 0, MPI_COMM_WORLD);
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: pointer->pointer [mpi-buffer-deref]
unsigned **buf2;
MPI_Send(buf2, 1, MPI_UNSIGNED, 0, 0, MPI_COMM_WORLD);
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: pointer->pointer
short buf3[1][1];
MPI_Send(buf3, 1, MPI_SHORT, 0, 0, MPI_COMM_WORLD);
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: array->array
long double _Complex *buf4[1];
MPI_Send(buf4, 1, MPI_C_LONG_DOUBLE_COMPLEX, 0, 0, MPI_COMM_WORLD);
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: pointer->array
std::complex<float> *buf5[1][1];
MPI_Send(&buf5, 1, MPI_CXX_FLOAT_COMPLEX, 0, 0, MPI_COMM_WORLD);
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: pointer->array->array->pointer
}
void positiveTests() {
char buf;
MPI_Send(&buf, 1, MPI_CHAR, 0, 0, MPI_COMM_WORLD);
unsigned *buf2;
MPI_Send(buf2, 1, MPI_UNSIGNED, 0, 0, MPI_COMM_WORLD);
short buf3[1][1];
MPI_Send(buf3[0], 1, MPI_SHORT, 0, 0, MPI_COMM_WORLD);
long double _Complex *buf4[1];
MPI_Send(*buf4, 1, MPI_C_LONG_DOUBLE_COMPLEX, 0, 0, MPI_COMM_WORLD);
long double _Complex buf5[1];
MPI_Send(buf5, 1, MPI_C_LONG_DOUBLE_COMPLEX, 0, 0, MPI_COMM_WORLD);
std::complex<float> *buf6[1][1];
MPI_Send(*buf6[0], 1, MPI_CXX_FLOAT_COMPLEX, 0, 0, MPI_COMM_WORLD);
// Referencing an array with '&' is valid, as this also points to the
// beginning of the array.
long double _Complex buf7[1];
MPI_Send(&buf7, 1, MPI_C_LONG_DOUBLE_COMPLEX, 0, 0, MPI_COMM_WORLD);
}
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