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llvm-svn: 356892
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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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llvm-svn: 349758
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in r346847
Summary: (See D54204 for original review)
Reviewers: hokein
Subscribers: xazax.hun, cfe-commits
Differential Revision: https://reviews.llvm.org/D54579
llvm-svn: 346961
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The check was using AST matchers in a very inefficient manner. By rewriting the
BinaryOperator-related parts using RAV, the check was sped up by a factor of
up to 10000 on some files (mostly, generated code using binary operators in
tables), but also significantly sped up for regular large files.
As a side effect, the code became clearer and more readable.
llvm-svn: 303081
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Expand the simplify boolean expression check to handle implicit conversion of integral types to bool and improve the handling of implicit conversion of member pointers to bool.
Implicit conversion of member pointers are replaced with explicit comparisons to nullptr.
Implicit conversions of integral types are replaced with explicit comparisons to 0.
Patch by Richard Thomson.
llvm-svn: 260681
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http://bb.pgr.jp/builders/cmake-clang-tools-x86_64-linux/builds/23351
http://lab.llvm.org:8011/builders/clang-s390x-linux/builds/492
llvm-svn: 260097
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of integral types to bool and improve the handling of implicit conversion of member pointers to bool.
Implicit conversion of member pointers are replaced with explicit comparisons to nullptr.
Implicit conversions of integral types are replaced with explicit comparisons to 0.
Patch by Richard Thomson.
llvm-svn: 260096
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boolean expressions
This changeset still emits the diagnostic that the expression could be simplified, but it doesn't generate any fix-its that would lose comments or preprocessor directives within the text that would be replaced.
Fixes PR25842
Reviewers: alexfh
Subscribers: xazax.hun, cfe-commits
Patch by Richard Thomson! (+a naming style fix)
Differential Revision: http://reviews.llvm.org/D15737
llvm-svn: 256492
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Changes mostly address formatting and unification of the style. Use
MarkDown style for inline code snippets and lists. Added some text
for a few checks.
The idea is to move most of the documentation out to separate rST files and have
implementation files refer to the corresponding documentation files.
llvm-svn: 246169
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Enhance clang-tidy readability-simplify-boolean-expr to handle 'if (e) return
true; return false;' and improve replacement expressions.
This changeset extends the simplify boolean expression check in clang-tidy to
simplify if (e) return true; return false; to return e; (note the lack of an
else clause on the if statement.) By default, chained conditional assignment is
left unchanged, unless a configuration parameter is set to non-zero to override
this behavior.
It also improves the handling of replacement expressions to apply
static_cast<bool>(expr) when expr is not of type bool.
http://reviews.llvm.org/D9810
Patch by Richard Thomson!
llvm-svn: 241155
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Enhance clang-tidy readability-simplify-boolean-expr check to handle chained
conditional assignment and chained conditional return.
Based on feedback from applying this tool to the clang/LLVM codebase, this
changeset improves the readability-simplify-boolean-expr check so that
conditional assignment or return statements at the end of a chain of if/else if
statements are left unchanged unless a configuration option is supplied.
http://reviews.llvm.org/D8996
Patch by Richard Thomson!
llvm-svn: 237541
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This check looks for comparisons between boolean expressions and boolean
constants and simplifies them to just use the appropriate boolean expression
directly.
if (b == true) becomes if (b)
if (b == false) becomes if (!b)
if (b && true) becomes if (b)
if (b && false) becomes if (false)
if (b || true) becomes if (true)
if (b || false) becomes if (b)
e ? true : false becomes e
e ? false : true becomes !e
if (true) t(); else f(); becomes t();
if (false) t(); else f(); becomes f();
if (e) return true; else return false; becomes return (e);
if (e) return false; else return true; becomes return !(e);
if (e) b = true; else b = false; becomes b = e;
if (e) b = false; else b = true; becomes b = !(e);
http://reviews.llvm.org/D7648
Patch by Richard Thomson!
llvm-svn: 234626
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