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Checkers are now required to specify whether they're creating a
path-sensitive report or a path-insensitive report by constructing an
object of the respective type.
This makes BugReporter more independent from the rest of the Static Analyzer
because all Analyzer-specific code is now in sub-classes.
Differential Revision: https://reviews.llvm.org/D66572
llvm-svn: 371450
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std::shared_pointer<PathDiagnosticPiece> -> PathDiagnosticPieceRef
find clang/ -type f -exec sed -i 's/std::shared_ptr<PathDiagnosticPiece>/PathDiagnosticPieceRef/g' {} \;
git diff -U3 --no-color HEAD^ | clang-format-diff-6.0 -p1 -i
Just as C++ is meant to be refactored, right?
Differential Revision: https://reviews.llvm.org/D65381
llvm-svn: 368717
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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Differential Revision: https://reviews.llvm.org/D52640
llvm-svn: 343353
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In the current implementation, we run visitors until the fixed point is
reached.
That is, if a visitor adds another visitor, the currently processed path
is destroyed, all diagnostics is discarded, and it is regenerated again,
until it's no longer modified.
This pattern has a few negative implications:
- This loop does not even guarantee to terminate.
E.g. just imagine two visitors bouncing a diagnostics around.
- Performance-wise, e.g. for sqlite3 all visitors are being re-run at
least 10 times for some bugs.
We have already seen a few reports where it leads to timeouts.
- If we want to add more computationally intense visitors, this will
become worse.
- From architectural standpoint, the current layout requires copying
visitors, which is conceptually wrong, and can be annoying (e.g. no
unique_ptr on visitors allowed).
The proposed change is a much simpler architecture: the outer loop
processes nodes upwards, and whenever the visitor is added it only
processes current nodes and above, thus guaranteeing termination.
Differential Revision: https://reviews.llvm.org/D47856
llvm-svn: 335666
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Simplifies and makes explicit the memory ownership model rather than
implicitly passing/acquiring ownership.
llvm-svn: 291143
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Correct two comments that do not match the current behavior of the checker.
A patch by Alexander Droste!
Differential Revision: https://reviews.llvm.org/D22670
llvm-svn: 277547
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llvm-svn: 272534
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bots happy.
This is a speculative attempt to fix the compiler error: "list initialization inside
member initializer list or non-static data member initializer is not implemented" with
r272529.
llvm-svn: 272530
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This commit adds a static analysis checker to verify the correct usage of the MPI API in C
and C++. This version updates the reverted r271981 to fix a memory corruption found by the
ASan bots.
Three path-sensitive checks are included:
- Double nonblocking: Double request usage by nonblocking calls without intermediate wait
- Missing wait: Nonblocking call without matching wait.
- Unmatched wait: Waiting for a request that was never used by a nonblocking call
Examples of how to use the checker can be found at https://github.com/0ax1/MPI-Checker
A patch by Alexander Droste!
Reviewers: zaks.anna, dcoughlin
Differential Revision: http://reviews.llvm.org/D21081
llvm-svn: 272529
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Even with the fix in r271981, ASan is finding a stack use after return.
This reverts commits r271977 and r271981.
llvm-svn: 271984
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Fix a compilation error on the bots involving brace initialization.
Differential Revision: http://reviews.llvm.org/D12761
llvm-svn: 271981
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Second try at reapplying
"[analyzer] Add checker for correct usage of MPI API in C and C++."
Special thanks to Dan Liew for helping test the fix for the template
specialization compiler error with gcc.
The original patch is by Alexander Droste!
Differential Revision: http://reviews.llvm.org/D12761
llvm-svn: 271977
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and C++.""
This reverts commit r271914. It is still breaking bots.
llvm-svn: 271920
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Reapply r271907 with a fix for the compiler error with gcc about specializing
clang::ento::ProgramStateTrait in a different namespace.
Differential Revision: http://reviews.llvm.org/D12761
llvm-svn: 271914
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This reverts commit r271907. It broke a bunch of bots with compile errors
about specializations in different namespaces.
llvm-svn: 271909
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This commit adds a static analysis checker to check for the correct usage of the
MPI API in C and C++.
3 path-sensitive checks are included:
- Double nonblocking: Double request usage by nonblocking calls
without intermediate wait.
- Missing wait: Nonblocking call without matching wait.
- Unmatched wait: Waiting for a request that was never used by a
nonblocking call.
Examples of how to use the checker can be found
at https://github.com/0ax1/MPI-Checker
Reviewers: zaks.anna
A patch by Alexander Droste!
Differential Revision: http://reviews.llvm.org/D12761
llvm-svn: 271907
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