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These are identified by misc-include-cleaner. I've filtered out those
that break builds. Also, I'm staying away from llvm-config.h,
config.h, and Compiler.h, which likely cause platform- or
compiler-specific build failures.
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DynamicRecursiveASTVisitor (#115144)
This pr refactors all recursive AST visitors in `Sema`, `Analyze`, and
`StaticAnalysis` to inherit from DRAV instead. This is over half of the
visitors that inherit from RAV directly.
See also #115132, #110040, #93462
LLVM Compile-Time Tracker link for this branch:
https://llvm-compile-time-tracker.com/compare.php?from=5adb5c05a2e9f31385fbba8b0436cbc07d91a44d&to=b58e589a86c06ba28d4d90613864d10be29aa5ba&stat=instructions%3Au
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This patch replaces uses of StringRef::{starts,ends}with with
StringRef::{starts,ends}_with for consistency with
std::{string,string_view}::{starts,ends}_with in C++20.
I'm planning to deprecate and eventually remove
StringRef::{starts,ends}with.
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Discovered by a downstream user, we found that the CallGraph ignores
callees unless they are defined. This seems foolish, and prevents
combining the report with other reports to create unified reports.
Additionally, declarations contain information that is likely useful to
consumers of the CallGraph.
This patch implements this by splitting the includeInGraph function into
two versions, the current one plus one that is for callees only. The
only difference currently is that includeInGraph checks for a body, then
calls includeCalleeInGraph.
Differential Revision: https://reviews.llvm.org/D76435
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CallGraphNode::CallRecord
Summary:
Storing not just the callee, but the actual call may be interesting for some use-cases.
In particular, D72362 would like that to better pretty-print the cycles in call graph.
Reviewers: NoQ, erichkeane
Reviewed By: NoQ
Subscribers: martong, Charusso, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D74081
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CallGraph visited LambdaExpr by getting the Call Operator from
CXXRecordDecl (LambdaExpr::getCallOperator calls
CXXRecordDecl::getLambdaCallOperator), which replaced generic lambda
call operators with the non-instantiated FunctionDecl. The result was
that the CallGraph would only pick up non-dependent calls.
This patch does a few things:
1- Extend CXXRecordDecl to have a getDependentLambdaCallOperator, which
will get the FunctionTemplateDecl, rather than immediately getting the
TemplateDecl.
2- Define getLambdaCallOperator and getDependentLambdaCallOperator in
terms of a common function.
3- Extend LambdaExpr with a getDependentCallOperator, which just calls
the above function.
4- Changes CallGraph to handle Generic LambdaExprs.
llvm-svn: 373247
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This patch improves Clang call graph analysis by adding in expressions
that are not found in regular function bodies, such as default arguments
or member initializers.
Patch by Joshua Cranmer!
Differential Revision: https://reviews.llvm.org/D65453
llvm-svn: 369321
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Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.
Differential revision: https://reviews.llvm.org/D66259
llvm-svn: 368942
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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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CallGraph previously would just show the normal name of a function,
which gets really confusing when using it on large C++ projects. This
patch switches the printName call to a printQualifiedName, so that the
namespaces are included.
Change-Id: Ie086d863f6b2251be92109ea1b0946825b28b49a
llvm-svn: 348950
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sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h}
llvm-svn: 338291
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other minor fixes (NFC).
llvm-svn: 320091
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Function call can appear in the arguments of another function call, eg.:
foo(bar());
This patch adds support for such cases.
Patch by Ivan Sidorenko!
Differential revision: https://reviews.llvm.org/D28905
llvm-svn: 293280
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Summary:
Remove the CallGraph in addCallee as it is not used in addCallee.
It decouples addCallee from CallGraph, so that we can use CallGraphNode
within our customized CallGraph.
Reviewers: bkramer
Subscribers: cfe-commits, ioeric
Differential Revision: https://reviews.llvm.org/D27674
llvm-svn: 289431
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Reviewers: timshen
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D25427
llvm-svn: 283775
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r259192 post commit comment.
llvm-svn: 259232
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++range)‘ pattern to range for loops.
The pattern was born out of the lack of range-based for loops in C++98
and is somewhat obscure. No functionality change intended.
llvm-svn: 241300
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llvm-svn: 240353
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The patch is generated using this command:
$ tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \
-checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \
work/llvm/tools/clang
To reduce churn, not touching namespaces spanning less than 10 lines.
llvm-svn: 240270
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A patch by Daniel DeFreez!
We were previously dropping edges on re-declarations. Store the
canonical declarations in the graph to ensure that different
references to the same function end up reflected with the same call graph
node.
(Note, this might lead to performance fluctuation because call graph
is used to determine the function analysis order.)
llvm-svn: 224398
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llvm-svn: 209191
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definition below all of the header #include lines, clang edition.
If you want more details about this, you can see some of the commits to
Debug.h in LLVM recently. This is just the clang section of a cleanup
I've done for all uses of DEBUG_TYPE in LLVM.
llvm-svn: 206849
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iterator_range decls(). The same is true for the noload versions of these APIs. Updating all of the usages of the iterators with range-based for loops.
llvm-svn: 203278
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llvm-svn: 201739
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llvm-svn: 170907
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deterministic.
Commit message for r170826:
[analyzer] Traverse the Call Graph in topological order.
Modify the call graph by removing the parentless nodes. Instead all
nodes are children of root to ensure they are all reachable. Remove the
tracking of nodes that are "top level" or global. This information is
not used and can be obtained from the Decls stored inside
CallGraphNodes.
Instead of existing ordering hacks, analyze the functions in topological
order over the Call Graph.
Together with the addition of devirtualizable ObjC message sends and
blocks to the call graph, this gives around 6% performance improvement
on several large ObjC benchmarks.
llvm-svn: 170906
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./bin/clang -cc1 -internal-isystem /home/espindola/llvm/build/lib/clang/3.3/include/ -analyze -analyzer-checker=debug.DumpCallGraph /home/espindola/llvm/clang/test/Analysis/debug-CallGraph.c -fblocks
changes in each run.
llvm-svn: 170829
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Modify the call graph by removing the parentless nodes. Instead all
nodes are children of root to ensure they are all reachable. Remove the
tracking of nodes that are "top level" or global. This information is
not used and can be obtained from the Decls stored inside
CallGraphNodes.
Instead of existing ordering hacks, analyze the functions in topological
order over the Call Graph.
Together with the addition of devirtualizable ObjC message sends and
blocks to the call graph, this gives around 6% performance improvement
on several large ObjC benchmarks.
llvm-svn: 170826
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This paves the road for constructing a better function dependency graph.
If we analyze a function before the functions it calls and inlines,
there is more opportunity for optimization.
Note, we add call edges to the called methods that correspond to
function definitions (declarations with bodies).
llvm-svn: 170825
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uncovered.
This required manually correcting all of the incorrect main-module
headers I could find, and running the new llvm/utils/sort_includes.py
script over the files.
I also manually added quite a few missing headers that were uncovered by
shuffling the order or moving headers up to be main-module-headers.
llvm-svn: 169237
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-Wunused-private-field.
llvm-svn: 158086
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We should not deserialize unused declarations from the PCH file. Achieve
this by storing the top level declarations during parsing
(HandleTopLevelDecl ASTConsumer callback) and analyzing/building a call
graph only for those.
Tested the patch on a sample ObjC file that uses PCH. With the patch,
the analyzes is 17.5% faster and clang consumes 40% less memory.
Got about 10% overall build/analyzes time decrease on a large Objective
C project.
A bit of CallGraph refactoring/cleanup as well..
llvm-svn: 154625
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function definitions. Fixes <rdar://problem/11178609>.
llvm-svn: 154081
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llvm-svn: 152738
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collecting function Decls.
llvm-svn: 152651
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llvm-svn: 152439
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llvm-svn: 152350
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llvm-svn: 152331
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The final graph contains a single root node, which is a parent of all externally available functions(and 'main'). As well as a list of Parentless/Unreachable functions, which are either truly unreachable or are unreachable due to our analyses imprecision.
The analyzer checkers debug.DumpCallGraph or debug.ViewGraph can be used to look at the produced graph.
Currently, the graph is not very precise, for example, it entirely skips edges resulted from ObjC method calls.
llvm-svn: 152272
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llvm-svn: 90424
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llvm-svn: 90137
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- Eliminates many calls to std::string.c_str()
- Fixes an invalid read in ReturnStackAddressChecker due to an unsafe call to
StringRef.data() which doesn't guarantee null-termination.
llvm-svn: 88779
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Patch by Simone Pellegrini.
llvm-svn: 85386
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-A NamedDecl reference
-A TypeLoc
llvm-svn: 83095
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llvm-svn: 83087
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llvm-svn: 81346
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llvm-svn: 76940
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- Root is the main function or 0.
- ExternalCallingNode has edges to all external functions.
llvm-svn: 76876
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- change the DenseMap used in callgraph to std::map, since DenseMap cannot
be used with mapped_iterator and friends.
llvm-svn: 76874
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