derek.holloway
7502bf64a4
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52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
// REQUIRES: static-analyzer
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// RUN: %check_clang_tidy %s mpi-buffer-deref %t -- -- -I %S/Inputs/type-mismatch
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#include "mpimock.h"
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void negativeTests() {
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char *buf;
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MPI_Send(&buf, 1, MPI_CHAR, 0, 0, MPI_COMM_WORLD);
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: pointer->pointer [mpi-buffer-deref]
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unsigned **buf2;
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MPI_Send(buf2, 1, MPI_UNSIGNED, 0, 0, MPI_COMM_WORLD);
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: pointer->pointer
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short buf3[1][1];
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MPI_Send(buf3, 1, MPI_SHORT, 0, 0, MPI_COMM_WORLD);
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: array->array
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long double _Complex *buf4[1];
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MPI_Send(buf4, 1, MPI_C_LONG_DOUBLE_COMPLEX, 0, 0, MPI_COMM_WORLD);
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: pointer->array
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std::complex<float> *buf5[1][1];
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MPI_Send(&buf5, 1, MPI_CXX_FLOAT_COMPLEX, 0, 0, MPI_COMM_WORLD);
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: buffer is insufficiently dereferenced: pointer->array->array->pointer
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}
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void positiveTests() {
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char buf;
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MPI_Send(&buf, 1, MPI_CHAR, 0, 0, MPI_COMM_WORLD);
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unsigned *buf2;
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MPI_Send(buf2, 1, MPI_UNSIGNED, 0, 0, MPI_COMM_WORLD);
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short buf3[1][1];
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MPI_Send(buf3[0], 1, MPI_SHORT, 0, 0, MPI_COMM_WORLD);
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long double _Complex *buf4[1];
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MPI_Send(*buf4, 1, MPI_C_LONG_DOUBLE_COMPLEX, 0, 0, MPI_COMM_WORLD);
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long double _Complex buf5[1];
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MPI_Send(buf5, 1, MPI_C_LONG_DOUBLE_COMPLEX, 0, 0, MPI_COMM_WORLD);
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std::complex<float> *buf6[1][1];
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MPI_Send(*buf6[0], 1, MPI_CXX_FLOAT_COMPLEX, 0, 0, MPI_COMM_WORLD);
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// Referencing an array with '&' is valid, as this also points to the
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// beginning of the array.
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long double _Complex buf7[1];
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MPI_Send(&buf7, 1, MPI_C_LONG_DOUBLE_COMPLEX, 0, 0, MPI_COMM_WORLD);
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}
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