nullptr_t does not access memory.
We now reuse CK_NullToPointer to represent a conversion from a glvalue
of type nullptr_t to a prvalue of nullptr_t where necessary.
llvm-svn: 345562
The existing padding checker skips classes that have any base classes.
This patch allows the checker to traverse very simple cases:
classes that have no fields and have exactly one base class.
This is important mostly in the case of array declarations.
Patch by Max Bernstein!
Test plan: make check-all
Differential revision: https://reviews.llvm.org/D53206
llvm-svn: 345558
Now that libc++ uses __exclude_from_explicit_instantiation__ attribute,
this is no longer needed.
Differential Revision: https://reviews.llvm.org/D53839
llvm-svn: 345552
There are multiple reasons why field structures can be imported
in wrong order. The simplest is the ability of field initializers
and method bodies to refer fields not in order they are listed in.
Unfortunately, there is no clean solution for that currently
so I'm leaving a FIXME.
Differential Revision: https://reviews.llvm.org/D44100
llvm-svn: 345545
When using sanitizers, add <resource_dir>/<target>/lib/<sanitizer>
to the list of library paths to support using sanitized version of
runtime libraries if available.
Differential Revision: https://reviews.llvm.org/D53487
llvm-svn: 345537
being shared.
According to the standard, the variables with unspecified data-sharing
attributes in presence of `default(none)` clause must be reported to
users. Compiler did not generate error reports for the variables used in
other OpenMP regions. Patch fixes this.
llvm-svn: 345533
This has been a long time coming. Note the usage of AnalyzerOptions: I'll need
it for D52742, and added it in rC343620. The main motivation for this was that
I'll need to add yet another parameter to every single function, and some
functions would reach their 10th parameter with that change.
llvm-svn: 345531
Summary: Iteration variable must be strictly less than the number of iterations. This fixes a bug introduced by previous patch D53448.
Reviewers: ABataev, caomhin
Reviewed By: ABataev
Subscribers: guansong, cfe-commits
Differential Revision: https://reviews.llvm.org/D53827
llvm-svn: 345527
This reverts commit r345487, which reverted r345486. I think the crashes were
caused by an OOM on the builder, trying again to confirm...
llvm-svn: 345517
Don't store the data for the init statement and condition variable
if not needed. This cuts the size of SwitchStmt by up to 2 pointers.
The order of the children is intentionally kept the same.
Also use the newly available space in the bit-fields of Stmt
to store the bit representing whether all enums have been covered
instead of using a PointerIntPair.
Differential Revision: https://reviews.llvm.org/D53714
Reviewed By: rjmccall
llvm-svn: 345510
Summary: This patch adds a new code generation path for bound sharing directives containing distribute parallel for. The new code generation scheme applies to chunked schedules on distribute and parallel for directives. The scheme simplifies the code that is being generated by eliminating the need for an outer for loop over chunks for both distribute and parallel for directives. In the case of distribute it applies to any sized chunk while in the parallel for case it only applies when chunk size is 1.
Reviewers: ABataev, caomhin
Reviewed By: ABataev
Subscribers: jholewinski, guansong, cfe-commits
Differential Revision: https://reviews.llvm.org/D53448
llvm-svn: 345509
Summary: This patch enables the choosing of the default schedule for parallel for loops even in non-SPMD cases.
Reviewers: ABataev, caomhin
Reviewed By: ABataev
Subscribers: jholewinski, guansong, cfe-commits
Differential Revision: https://reviews.llvm.org/D53443
llvm-svn: 345507
The test for case statements did not cover GNU range case statements.
Differential Revision: https://reviews.llvm.org/D53610
Reviewed By: rjmccall
llvm-svn: 345506
If the loop counter is not declared in the context of the loop and it is
private, such loop counters should not be captured in the outlined
regions.
llvm-svn: 345505
Summary:
I recently discovered that adding the following code into `opencl-c.h` causes
failure of `test/Headers/opencl-c-header.cl`:
```
#pragma OPENCL EXTENSION cl_my_ext : begin
void cl_my_ext_foobarbaz();
#pragma OPENCL EXTENSIOn cl_my_ext : end
```
Clang crashes at the assertion is `ASTReader::getGlobalSubmoduleID()`:
```
assert(I != M.SubmoduleRemap.end() && "Invalid index into submodule index remap");
```
The root cause of the problem that to deserialize `OPENCL_EXTENSION_DECLS`
section `ASTReader` needs to deserialize a Decl contained in it. In turn,
deserializing a Decl requires information about whether this declaration is
part of a (sub)module, but this information is not read yet because it is
located further in a module file.
Reviewers: Anastasia, yaxunl, JDevlieghere
Reviewed By: Anastasia
Subscribers: sidorovd, cfe-commits, asavonic
Differential Revision: https://reviews.llvm.org/D53200
llvm-svn: 345497
Summary:
During method import we check for structural eq of two methods.
In the structural eq check we check for their isVirtual() flag. That
flag, however, may depend on the number of overrides. Before this
change we imported the overrides *after* we had imported the rest of the
redecl chain. So, during the import of another decl from the chain
IsVirtual() gave false result.
Writing tests for this is not really possible, because there is no way
to remove an overridden method via the AST API.
(We should access the private ASTContext::OverriddenMethods container.)
Also, we should do the remove in the middle of the import process.
Reviewers: a_sidorin, a.sidorin
Subscribers: rnkovacs, dkrupp, Szelethus, cfe-commits
Differential Revision: https://reviews.llvm.org/D53704
llvm-svn: 345496
This commit enables pushing an empty #pragma clang attribute push, then adding
multiple attributes to it, then popping them all with #pragma clang attribute
pop, just like #pragma clang diagnostic. We still support the current way of
adding these, #pragma clang attribute push(__attribute__((...))), by treating it
like a combined push/attribute. This is needed to create macros like:
DO_SOMETHING_BEGIN(attr1, attr2, attr3)
// ...
DO_SOMETHING_END
rdar://45496947
Differential revision: https://reviews.llvm.org/D53621
llvm-svn: 345486
We correctly handled extended vectors of non-floating point types.
However, we have the Intel style builtins which MSVC also supports which
do overlap in sizes with the floating point extended vectors. This
would result in overloading of floating point extended vector types
which matched sizes (e.g. <3 x float> would be backed by a <4 x float>
and thus match sizes) to be mangled similarly. Extended vectors are a
clang extension which live outside of the builtins, so mangle them all
similarly. This change just extends the current scheme to treat
floating point types similar to the way that we treat other types
currently.
This now allows the swift runtime to be built for Windows again.
llvm-svn: 345479
Don't store the data for case statements of the form LHS ... RHS if not
needed. This cuts the size of CaseStmt by 1 pointer + 1 SourceLocation in
the common case.
Also use the newly available space in the bit-fields of Stmt to store the
keyword location of SwitchCase and move the small accessor
SwitchCase::getSubStmt to the header.
Differential Revision: https://reviews.llvm.org/D53609
Reviewed By: rjmccall
llvm-svn: 345472
Only store the needed data in IfStmt. This cuts the size of IfStmt
by up to 3 pointers + 1 SourceLocation. The order of the children
is intentionally kept the same even though it would be more
convenient to put the optional trailing objects last. Additionally
use the newly available space in the bit-fields of Stmt to store
the location of the "if".
The result of this is that for the common case of an
if statement of the form:
if (some_cond)
some_statement
the size of IfStmt is brought down to 8 bytes + 2 pointers,
instead of 8 bytes + 5 pointers + 2 SourceLocation.
Differential Revision: https://reviews.llvm.org/D53607
Reviewed By: rjmccall
llvm-svn: 345464
Make the following changes to PredefinedExpr:
1. Move PredefinedExpr below StringLiteral so that it can use its definition.
2. Rename IdentType to IdentKind to be more in line with clang's conventions,
and propagate the change to its users.
3. Move the location and the IdentKind into the newly available space of
the bit-fields of Stmt.
4. Only store the function name when needed. When parsing all of Boost,
of the 1357 PredefinedExpr 919 have no function name.
Differential Revision: https://reviews.llvm.org/D53605
Reviewed By: rjmccall
llvm-svn: 345460
Although some classes are using the tail padding of Stmt, most of
them are not. In particular the expression classes are not using it
since there is Expr in between, and Expr contains a single pointer.
This patch widen the bit-fields to Stmt to 8 bytes and move some
data from NullStmt, CompoundStmt, LabelStmt, AttributedStmt, SwitchStmt,
WhileStmt, DoStmt, ForStmt, GotoStmt, ContinueStmt, BreakStmt
and ReturnStmt to the newly available space.
In itself this patch do not achieve much but I plan to go through each of
the classes in the statement/expression hierarchy and use this newly
available space. A quick estimation gives me that this should shrink the
size of the statement/expression hierarchy by >10% when parsing all of Boost.
Differential Revision: https://reviews.llvm.org/D53604
Reviewed By: rjmccall
llvm-svn: 345459
This reverts commit 8d6af840396f2da2e4ed6aab669214ae25443204 and commit
b78d19c287b6e4a9abc9fb0545de9a3106d38d3d which causes slower build times
by initializing the AddressSanitizer on every function run.
The corresponding revisions are https://reviews.llvm.org/D52814 and
https://reviews.llvm.org/D52739.
llvm-svn: 345433
Default property value 'true' preserves current behavior. Value 'false' can be
used to create VFS "root", file system that gives better control over which
files compiler can use during compilation as there are no unpredictable
accesses to real file system.
Non-fallthrough use case changes how we treat multiple VFS overlay
files. Instead of all of them being at the same level just above a real
file system, now they are nested and subsequent overlays can refer to
files in previous overlays.
Change is done both in LLVM and Clang, corresponding LLVM commit is r345431.
rdar://problem/39465552
Reviewers: bruno, benlangmuir
Reviewed By: bruno
Subscribers: dexonsmith, cfe-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D50539
llvm-svn: 345432
Summary:
- Add `UETT_PreferredAlignOf` to account for the difference between `__alignof` and `alignof`
- `AlignOfType` now returns ABI alignment instead of preferred alignment iff clang-abi-compat > 7, and one uses _Alignof or alignof
Patch by Nicole Mazzuca!
Differential Revision: https://reviews.llvm.org/D53207
llvm-svn: 345419
Summary:
This is a simple test of the parallel for code generation. It will be used to showcase the change introduced by patch D53443.
Reviewers: ABataev, caomhin
Reviewed By: ABataev
Subscribers: guansong, cfe-commits
Differential Revision: https://reviews.llvm.org/D53772
llvm-svn: 345417
Summary:
- Added names for some emitted values (such as "tobool" for
the result of a cast to boolean).
- Replaced explicit IRBuilder request for doing sext/zext/trunc
by using CreateIntCast instead.
- Simplify code for emitting satuation into one if-statement
for clamping to max, and one if-statement for clamping to min.
Reviewers: leonardchan, ebevhan
Reviewed By: leonardchan
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D53707
llvm-svn: 345398
The generated MS manglings differ between 32- and 64-bit, and the test only
expects the latter. See also the commit email thread.
> Thanks to Cameron DaCamara at Microsoft for letting us know what their
> chosen mangling is here!
llvm-svn: 345380
This reverts commit r345370, as it uncovered even more issues in
tests with partial/inconsistent path normalization:
http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/13562http://lab.llvm.org:8011/builders/clang-x64-windows-msvc/builds/886http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast/builds/20994
In particular, these tests seem to have failed:
Clang :: CodeGen/thinlto-diagnostic-handler-remarks-with-hotness.ll
Clang :: CodeGen/thinlto-multi-module.ll
Clang :: Driver/cuda-external-tools.cu
Clang :: Driver/cuda-options.cu
Clang :: Driver/hip-toolchain-no-rdc.hip
Clang :: Driver/hip-toolchain-rdc.hip
Clang :: Driver/openmp-offload-gpu.c
At least the Driver tests could potentially be fixed by extending
the path normalization to even more places, but the issues with the
CodeGen tests are still unknown.
In addition, a number of other tests seem to have been broken in
other clang dependent tools such as clang-tidy and clangd.
llvm-svn: 345372
libtool inspects the output of $CC -v to detect what object files and
libraries are linked in by default. When clang is built as a native
windows executable, all paths are formatted with backslashes, and
the backslashes cause each argument to be enclosed in quotes. The
backslashes and quotes break further processing within libtool (which
is implemented in shell script, running in e.g. msys) pretty badly.
Between unix style pathes (that only work in tools that are linked
to the msys runtime, essentially the same as cygwin) and proper windows
style paths (with backslashes, that can easily break shell scripts
and msys environments), the best compromise is to use windows style
paths (starting with e.g. c:) but with forward slashes, which both
msys based tools, shell scripts and native windows executables can
cope with. This incidentally turns out to be the form of paths that
GCC prints out when run with -v on windows as well.
This change potentially makes the output from clang -v a bit more
inconsistent, but it is isn't necessarily very consistent to begin with.
Compared to the previous attempt in SVN r345004, this now does
the same transformation on more paths, hopefully on the right set
of paths so that all tests pass (previously some tests failed, where
path fragments that were required to be identical turned out to
use different path separators in different places). This now also
is done only for non-windows, or cygwin/mingw targets, to preserve
all backslashes for MSVC cases (where the paths can end up e.g. embedded
into PDB files. (The transformation function itself,
llvm::sys::path::convert_to_slash only has an effect when run on windows.)
Differential Revision: https://reviews.llvm.org/D53066
llvm-svn: 345370
This corrects the leader for the swift names. The encoding for 4.2 and
5.0 differ by a single bit on the second character and were swapped.
llvm-svn: 345360
Adds support for -mno-stack-arg-probe and -mstack-probe-size.
(Not really happy copy-pasting code, but that's what we do for all the
other Windows targets.)
Differential Revision: https://reviews.llvm.org/D53617
llvm-svn: 345354
Generate the FP16FML intrinsics into arm_neon.h (AArch64 only for now).
Add two new type modifiers to NeonEmitter to handle the new prototypes.
Define __ARM_FEATURE_FP16FML when +fp16fml is enabled and guard the
intrinsics with the macro in arm_neon.h.
Based on a patch by Gao Yiling.
Differential Revision: https://reviews.llvm.org/D53633
llvm-svn: 345344
Nodes which have only one predecessor and only one successor can not
always be hidden, even if all states are the same.
An additional condition is needed: the predecessor may have only one successor.
This can be seen on this example:
```
A
/ \
B C
\ /
D
```
Nodes B and C can not be hidden even if all nodes in the graph have the
same state.
Differential Revision: https://reviews.llvm.org/D53735
llvm-svn: 345341
Richard Smith