Commit Graph

80485 Commits

Author SHA1 Message Date
David Bolvansky aaea76ba02 [Diagnostics] Emit better -Wbool-operation's warning message if we known that the result is always true
llvm-svn: 373973
2019-10-07 21:57:03 +00:00
Alexey Bataev d457f7e080 [OPENMP]Fix caonical->canonical, NFC.
Fixed typo.

llvm-svn: 373952
2019-10-07 19:57:40 +00:00
Amy Huang 6bdfe3aeba Fix for expanding __pragmas in macro arguments
Summary:
Avoid parsing __pragma into an annotation token when macro arguments are pre-expanded.
This is what clang currently does when parsing _Pragmas.

Fixes https://bugs.llvm.org/show_bug.cgi?id=41128, where clang crashed
when trying to get the length of an annotation token.

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D68114

llvm-svn: 373950
2019-10-07 19:41:53 +00:00
Alexey Bataev bef93a98cd [OPENMP50]Treat range-based for as canonical loop.
According to OpenMP 5.0, range-based for is also considered as a
canonical form of loops.

llvm-svn: 373939
2019-10-07 18:54:57 +00:00
Michal Gorny cdbeaf548f [clang] [cmake] Support LLVM_DISTRIBUTION_COMPONENTS in stand-alone build
Differential Revision: https://reviews.llvm.org/D68412

llvm-svn: 373936
2019-10-07 18:14:56 +00:00
Erich Keane 8a410bcef0 Fix Calling Convention through aliases
r369697 changed the behavior of stripPointerCasts to no longer include
aliases.  However, the code in CGDeclCXX.cpp's createAtExitStub counted
on the looking through aliases to properly set the calling convention of
a call.

The result of the change was that the calling convention mismatch of the
call would be replaced with a llvm.trap, causing a runtime crash.

Differential Revision: https://reviews.llvm.org/D68584

llvm-svn: 373929
2019-10-07 17:28:03 +00:00
Yitzhak Mandelbaum e4cec2d3c7 [libTooling][NFC] Fix build break in r373916.
r373916 used raw strings inside macro calls, which breaks some builds.

llvm-svn: 373928
2019-10-07 17:24:23 +00:00
Paul Hoad 2c3f73800f [clang-format] [PR27004] omits leading space for noexcept when formatting operator delete()
Summary:
clang-format is incorrectly thinking the parameter parens are part of a cast operation, this is resulting in there sometimes being not space between the paren and the noexcept (and other keywords like volatile etc..)

```
void operator++(int) noexcept;
void operator++(int &) noexcept;
void operator delete(void *, std::size_t, const std::nothrow_t &)noexcept;
```

Reviewers: klimek, owenpan, mitchell-stellar

Reviewed By: mitchell-stellar

Subscribers: cfe-commits

Tags: #clang-format, #clang

Differential Revision: https://reviews.llvm.org/D68481

llvm-svn: 373922
2019-10-07 17:03:44 +00:00
Paul Hoad a65cfe3037 [clang-format] [NFC] Ensure clang-format is itself clang-formatted.
Summary:
Before making a proposed change, ensure ClangFormat.cpp is fully clang-formatted,

no functional change just clang-formatting using the in tree .clang-format.

Reviewers: mitchell-stellar

Reviewed By: mitchell-stellar

Subscribers: Eugene.Zelenko, cfe-commits

Tags: #clang-format, #clang

Differential Revision: https://reviews.llvm.org/D68551

llvm-svn: 373921
2019-10-07 16:53:35 +00:00
Simon Pilgrim 7e38f0c408 Codegen - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but in these cases we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373918
2019-10-07 16:42:25 +00:00
Yitzhak Mandelbaum d5b983555f [libTooling] Add `toString` method to the Stencil class
Summary:
`toString` generates a string representation of the stencil.

Patch by Harshal T. Lehri.

Reviewers: gribozavr

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D68574

llvm-svn: 373916
2019-10-07 16:20:22 +00:00
Simon Pilgrim dc4d908d6e Sema - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but in these cases we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373911
2019-10-07 14:25:46 +00:00
Utkarsh Saxena edf5027689 [clang] Add test for FindNextToken in Lexer.
Reviewers: ilya-biryukov

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D68565

llvm-svn: 373910
2019-10-07 14:20:46 +00:00
Simon Pilgrim 8dc1700979 RewriteModernObjC - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but in these cases we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373905
2019-10-07 13:58:15 +00:00
Simon Pilgrim 3459a4c770 AST - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but in these cases we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373904
2019-10-07 13:58:05 +00:00
Gabor Marton 305a11d409 [ASTImporter][NFC] Enable disabled but passing test
RedeclChainShouldBeCorrectAmongstNamespaces

llvm-svn: 373896
2019-10-07 11:34:54 +00:00
Gabor Marton 8f7fbed85e [ASTImporter][NFC] Update ASTImporter internals docs
llvm-svn: 373895
2019-10-07 11:15:18 +00:00
Gabor Marton 579882ae44 [ASTImporter][NFC] Fix typo in user docs
llvm-svn: 373894
2019-10-07 11:14:53 +00:00
Hans Wennborg 32b47ddb2d clang-cl: Ignore the new /ZH options
These were added to the MS docs in
85b9b6967e
and are supposedly available in VS 2019 16.4 (though my 2019 Preview,
version 16.4.0-pre.1.0 don't seem to have them.)

llvm-svn: 373887
2019-10-07 09:30:15 +00:00
Richard Smith df3761f6dc [c++20] Check for a class-specific operator delete when deleting an
object of class type with a virtual destructor.

llvm-svn: 373875
2019-10-07 03:14:28 +00:00
Richard Smith 74ce7112c3 Fix behavior of __builtin_bit_cast when the From and To types are the
same.

We were missing the lvalue-to-rvalue conversion entirely in this case,
and in fact still need the full CK_LValueToRValueBitCast conversion to
perform a load with no TBAA.

llvm-svn: 373874
2019-10-07 02:45:12 +00:00
Richard Smith 344df110e5 Implements CWG 1601 in [over.ics.rank/4.2]
Summary:
The overload resolution for enums with a fixed underlying type has changed in the C++14 standard. This patch implements the new rule.

Patch by Mark de Wever!

Reviewers: rsmith

Reviewed By: rsmith

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65695

llvm-svn: 373866
2019-10-06 18:50:40 +00:00
Richard Smith 1e9c0cecab [Sema] Avoids an assertion failure when an invalid conversion declaration is used
Summary:
When using a user-defined conversion function template with a deduced return type the compiler gives a set of warnings:
```
bug.cc:252:44: error: cannot specify any part of a return type in the declaration of a conversion function; use an alias template to declare a conversion to 'auto (Ts &&...) const'
  template <typename... Ts> operator auto()(Ts &&... xs) const;
                                           ^~~~~~~~~~~~~~~~~~~
bug.cc:252:29: error: conversion function cannot convert to a function type
  template <typename... Ts> operator auto()(Ts &&... xs) const;
                            ^
error: pointer to function type cannot have 'const' qualifier
```
after which it triggers an assertion failure. It seems the last error is incorrect and doesn't have any location information. This patch stops the compilation after the second warning.

Fixes bug 31422.

Patch by Mark de Wever!

Reviewers: rsmith

Reviewed By: rsmith

Subscribers: bbannier, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64820

llvm-svn: 373862
2019-10-06 18:40:59 +00:00
Sanjay Patel c38881a6b7 [InstCombine] don't assume 'inbounds' for bitcast pointer to GEP transform (PR43501)
https://bugs.llvm.org/show_bug.cgi?id=43501
We can't declare a GEP 'inbounds' in general. But we may salvage that information if
we have known dereferenceable bytes on the source pointer.

Differential Revision: https://reviews.llvm.org/D68244

llvm-svn: 373847
2019-10-06 13:08:08 +00:00
Paul Hoad c209598268 [clang-format][docs] Fix the Google C++ and Chromium style guide URLs
Summary: The Google C++ and Chromium style guides are broken in the clang-format docs. This patch updates them.

Reviewers: djasper, MyDeveloperDay

Reviewed By: MyDeveloperDay

Subscribers: cfe-commits

Tags: #clang

Patch by: m4tx

Differential Revision: https://reviews.llvm.org/D61256

llvm-svn: 373844
2019-10-06 09:37:58 +00:00
Simon Pilgrim 68f21b360b Try to fix sphinx indentation error
llvm-svn: 373831
2019-10-05 16:08:17 +00:00
Simon Pilgrim 43bbca9228 RewriteObjC - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373829
2019-10-05 13:42:14 +00:00
David Bolvansky 83b81c1f6e [Diagnostics] Highlight expr's source range for -Wbool-operation
Warning message looks better; and GCC adds it too.

llvm-svn: 373828
2019-10-05 13:28:15 +00:00
Simon Pilgrim f4cc3b3e10 SemaTemplate - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373827
2019-10-05 13:21:08 +00:00
Simon Pilgrim 22b6873195 TreeTransform - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373826
2019-10-05 13:20:59 +00:00
Simon Pilgrim 0e82722f9a Remove redundant !HasDependentValue check. NFCI.
Fixes cppcheck warning.

llvm-svn: 373825
2019-10-05 13:20:51 +00:00
Simon Pilgrim 20692a0d3d SemaStmt - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373824
2019-10-05 13:20:42 +00:00
Paul Hoad 375a84bb75 [clang-format] SpacesInSquareBrackets should affect lambdas with parameters too
Summary:
This patch makes the `SpacesInSquareBrackets` setting also apply to C++ lambdas with parameters.

Looking through the revision history, it appears support for only array brackets was added, and lambda brackets were ignored. Therefore, I am inclined to think it was simply an omission, rather than a deliberate choice.

See https://bugs.llvm.org/show_bug.cgi?id=17887 and https://reviews.llvm.org/D4944.

Reviewers: MyDeveloperDay, reuk, owenpan

Reviewed By: MyDeveloperDay

Subscribers: cfe-commits

Patch by: mitchell-stellar

Tags: #clang-format, #clang

Differential Revision: https://reviews.llvm.org/D68473

llvm-svn: 373821
2019-10-05 09:55:23 +00:00
David Bolvansky 3acc649b86 [NFCI] Slightly improve warning message
llvm-svn: 373818
2019-10-05 08:09:06 +00:00
David Bolvansky 559265c8da [Diagnostics] Use Expr::isKnownToHaveBooleanValue() to check bitwise negation of bool in languages without a bool type
Thanks for this advice, Richard Trieu!

llvm-svn: 373817
2019-10-05 08:02:11 +00:00
Yuanfang Chen 442ddffe13 [clang] fix a typo from r372531
Reviewers: xbolva00

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D68482

llvm-svn: 373792
2019-10-04 21:37:20 +00:00
Michal Gorny c178809eb6 [clang] [cmake] Use add_clang_tool() to install all tools
Switch clang-check, clang-extdef-mapping and clang-offload-bundler
to use add_clang_tool() rather than add_clang_executable() with a custom
install rule.  This makes them LLVM_DISTRIBUTION_COMPONENTS-friendly.

Differential Revision: https://reviews.llvm.org/D68429

llvm-svn: 373785
2019-10-04 20:28:59 +00:00
Erik Pilkington f7766b1ed4 [Sema] Split out -Wformat-type-confusion from -Wformat-pedantic
The warnings now in -Wformat-type-confusion don't align with how we interpret
'pedantic' in clang, and don't belong in -pedantic.

Differential revision: https://reviews.llvm.org/D67775

llvm-svn: 373774
2019-10-04 19:20:27 +00:00
Reid Kleckner cfe3bf89c2 Add missing null pointer check in -ftime-trace code
createOutputFile diagnoses the error for the caller already, so recover
by not writing the output.

Fixes PR43555

No test, since I couldn't think of a good, portable, simple way to make
the regular -o output file writable, but outputfile.json not writable.

llvm-svn: 373771
2019-10-04 18:57:01 +00:00
Jordan Rose 5fd467feb8 [CMake] Clang: Don't use object libraries with Xcode
Undoes some of the effects of r360946 when using the Xcode CMake
generator---it doesn't handle object libraries correctly at all.
Attempts to still honor BUILD_SHARED_LIBS for Xcode, but I didn't
actually test it. Should have no effect on non-Xcode generators.

https://reviews.llvm.org/D68430

llvm-svn: 373769
2019-10-04 18:17:58 +00:00
Alexey Bataev 1c9e1731b0 [OPENMP50]Suppport for multiple vendors in the same vendor context
selector.

According to OpenMP 5.0, multiple vendors could be specified in the
vendor context selector via ',' as a separator.

llvm-svn: 373756
2019-10-04 15:58:45 +00:00
Simon Pilgrim 237d0af7a8 SemaDeclAttr - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but in these cases we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373753
2019-10-04 15:02:46 +00:00
Simon Pilgrim 0abbb154ca CGBlocks - silence static analyzer getAs<> null dereference warnings. NFCI.
The static analyzer is warning about potential null dereferences, but in these cases we should be able to use castAs<> directly and if not assert will fire for us.

llvm-svn: 373752
2019-10-04 15:01:54 +00:00
Paul Hoad cccf5aa081 [clang-format] C++11 braced lists should respect the SpacesInParentheses setting
Summary:
According to the clang-format documentation, "Fundamentally, C++11 braced lists are formatted exactly like function calls would be formatted in their place. If the braced list follows a name (e.g. a type or variable name), clang-format formats as if the `{}` were the parentheses of a function call with that name."

This patch furthers the treatment of C++11 braced list braces as parentheses by respecting the `SpacesInParentheses` setting.

Reviewers: MyDeveloperDay, reuk, owenpan

Reviewed By: MyDeveloperDay

Subscribers: cfe-commits

Tags: #clang-format, #clang

Patch By: mitchell-stellar

Differential Revision: https://reviews.llvm.org/D68415

llvm-svn: 373751
2019-10-04 14:25:20 +00:00
Paul Hoad ba12cec21f [clang-format] [PR43531] clang-format damages "alternative representations" for operators
Summary:
https://bugs.llvm.org/show_bug.cgi?id=43531

Fix for clang-format incorrectly handles "alternative operators" as described by https://en.cppreference.com/w/cpp/language/operator_alternative

compl = ~
not = !

these are unary operators, and clang-format will remove the space between them and a numeric constant

this incorrectly formats the following code

```
int a compl 5;
int a not 5;
```

into:

```
int a compl5;
int a not5;
```

The code adds FIXME unit tests for "alternative token" representations for {} [] and # as defined by the same link, which would require a more detailed change to the FormatTokenLexer

Reviewers: klimek, reuk, owenpan, mitchell-stellar, STL_MSFT

Reviewed By: mitchell-stellar

Subscribers: cfe-commits

Tags: #clang-format, #clang-tools-extra, #clang

Differential Revision: https://reviews.llvm.org/D68332

llvm-svn: 373750
2019-10-04 14:16:59 +00:00
Sam McCall f44ca7f6eb Further improve -Wbool-operation bitwise negation message
llvm-svn: 373749
2019-10-04 14:11:05 +00:00
Haojian Wu 5d862c042b [clang-rename] Fix a crash when renaming a class without definition.
Reviewers: sammccall

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D68459

llvm-svn: 373748
2019-10-04 14:09:31 +00:00
Paul Hoad a37a6dcd04 [clang-format] [PR42417] clang-format inserts a space after '->' for operator->() overloading
Summary:
https://bugs.llvm.org/show_bug.cgi?id=42417

This revision removes the extra space between the opertor-> and the parens ()

```
class Bug {
    auto operator-> () -> int*;
    auto operator++(int) -> int;
};
```

Reviewers: klimek, owenpan, byoungyoung, mitchell-stellar

Reviewed By: mitchell-stellar

Subscribers: cfe-commits

Tags: #clang-format, #clang

Differential Revision: https://reviews.llvm.org/D68242

llvm-svn: 373746
2019-10-04 13:24:15 +00:00
Simon Tatham f8ad4d663f [clang] Prevent false positives in arm-mfpu-none codegen test.
A user pointed out to me in private email that this test will fail if
it sees the letter 's' followed by a digit in any part of clang's
assembly output after the function label. That includes the .ident at
the end, which can include a full pathname or hostname or both from
the system clang was built on. So if that path or hostname includes
any text like 's5' then it will cause the test to fail.

Fixed by adding a check for `.fnend`, to limit the scope of the
`CHECK-NOT` to only the actual generated code for the test function.

(Committed without prior review on the basis that it's a simple and
obvious pure test-suite fix and also in a test I contributed myself.)

llvm-svn: 373744
2019-10-04 13:01:41 +00:00
David Bolvansky 5e851ad6c1 [NFCI] Improve the -Wbool-operation's warning message
Based on the request from the post commit review. Also added one new test.

llvm-svn: 373743
2019-10-04 12:55:13 +00:00