The `__builtin_msa_ctcmsa` and `__builtin_msa_cfcmsa` builtins are mapped
to the `ctcmsa` and `cfcmsa` instructions respectively. While MSA
control registers have indexes in 0..7 range, the instructions accept
register index in 0..31 range [1].
[1] MIPS Architecture for Programmers Volume IV-j:
The MIPS64 SIMD Architecture Module
https://www.mips.com/?do-download=the-mips64-simd-architecture-module
llvm-svn: 361967
The mangling used to contain the MD5 name of both the RTTI type
descriptor and the name of the copy ctor in MSVC2013, but it changed
to just the former in 2015. It looks like it changed back to the old
mangling in VS2017 version 15.7 and onwards, including VS2019 (version
16.0). VS2017 version 15.0 still has the VS2015 mangling. Versions
between 15.0 and 15.7 are't on godbolt. I found 15.4 (_MSC_VER 1911)
locally and that uses the 15.0 mangling still, but I didn't find 15.5 or
15.6, so I'm not sure where exactly it changed back.
Differential Revision: https://reviews.llvm.org/D62490
llvm-svn: 361959
The new ARMPredicates.td is included from ARM.td, early enough that
the predicate definitions are already in scope when ARMSchedule.td is
included. This will make it possible to refer to them in
UnsupportedFeatures fields of scheduling models.
NFC: the chunk of Tablegen being moved here is copied and pasted
verbatim.
Patch by: Simon Tatham
Differential Revision: https://reviews.llvm.org/D60693
llvm-svn: 361958
Summary:
The `before` and `after` selectors allow users to specify a zero-length range --
a point -- at the relevant location in an AST-node's source. Point ranges can
be useful, for example, to insert a change using an API that takes a range to be
modified (e.g. `tooling::change()`).
Reviewers: ilya-biryukov
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D62419
llvm-svn: 361955
* Adds a 'scalable' flag to VectorType
* Adds an 'ElementCount' class to VectorType to pass (possibly scalable) vector lengths, with overloaded operators.
* Modifies existing helper functions to use ElementCount
* Adds support for serializing/deserializing to/from both textual and bitcode IR formats
* Extends the verifier to reject global variables of scalable types
* Updates documentation
See the latest version of the RFC here: http://lists.llvm.org/pipermail/llvm-dev/2018-July/124396.html
Reviewers: rengolin, lattner, echristo, chandlerc, hfinkel, rkruppe, samparker, SjoerdMeijer, greened, sebpop
Reviewed By: hfinkel, sebpop
Differential Revision: https://reviews.llvm.org/D32530
llvm-svn: 361953
Summary: These symbols have been included via StdSymbolMap.inc.
Reviewers: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D62527
llvm-svn: 361952
Summary:
Improve the way of checking a symbol name is in the first cell. The previous way
is not very robost for cases where a cell lists multiple symbols (e.g. int8_t).
Reviewers: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D62575
llvm-svn: 361951
This should be the last bit of refactoring in preparation for a patch that would
finally fix PR37494.
This patch introduces the concept of memory dependency groups (class
MemoryGroup) and "Load/Store Unit token" (LSUToken) to track the status of a
memory operation.
A MemoryGroup is a node of a memory dependency graph. It is used internally to
classify memory operations based on the memory operations they depend on. Let I
and J be two memory operations, we say that I and J equivalent (for the purpose
of mapping instructions to memory dependency groups) if the set of memory
operations they depend depend on is identical.
MemoryGroups are identified by so-called LSUToken (a unique group identifier
assigned by the LSUnit to every group). When an instruction I is dispatched to
the LSUnit, the LSUnit maps I to a group, and then returns a LSUToken.
LSUTokens are used by class Scheduler to track memory dependencies.
This patch simplifies the LSUnit interface and moves most of the implementation
details to its base class (LSUnitBase). There is no user visible change to the
output.
llvm-svn: 361950
Summary:
This code is modifying a support file list after it has been created.
This makes it hard to share the file list between type units and
compile units in DWARF. It's not a total showstopper, but supporting
this while also sharing the lists would make things more complicated.
Given that this was added to support a project which never fully
materialised, and that even back then there were some concerns about the
correctness of this approach (according to D11003#200772 the compile
unit name is not guaranteed to be the first one in the support file
list), I think we should just delete this workaround.
Reviewers: clayborg, tberghammer, dsrbecky
Subscribers: aprantl, lldb-commits
Differential Revision: https://reviews.llvm.org/D62517
llvm-svn: 361948
Summary: The LLDB test suite doesn't need lldb-server in the framework bundle anymore.
Reviewers: JDevlieghere, jasonmolenda, xiaobai
Reviewed By: JDevlieghere
Subscribers: mgorny, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D62474
llvm-svn: 361947
Summary:
Modify the way LLDB.framework tools are collected. This allows for better fine-tuning of the install behavior downstream. Each target calls `lldb_add_to_framework()` individually. When entering the function, the target exists and we can tweak its very own post-build and install steps. This was not possible with the old `LLDB_FRAMEWORK_TOOLS` approach.
No function change otherwise.
This is a reduced follow-up from the proposal in D61952.
Reviewers: xiaobai, compnerd, JDevlieghere
Reviewed By: JDevlieghere
Subscribers: clayborg, friss, ki.stfu, mgorny, lldb-commits, labath, #lldb
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D62472
llvm-svn: 361946
It is now possible after D61937 was landed and was discussed
in it's review comments. It is not consistent with GNU, which
does not output .dynamic section content in this case for
no visible reason.
Differential revision: https://reviews.llvm.org/D62179
llvm-svn: 361943
Summary: The kind has been 'unknown' before, now it is 'field'.
Reviewers: kadircet
Reviewed By: kadircet
Subscribers: jkorous, arphaman, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D62573
llvm-svn: 361941
Summary:
The function was not being consistent in how it retrieved the language
of the current compile unit. Sometimes it did so from the lldb CU
object, and sometimes from the DWARF die. This patch unifies the
handling on the latter. The reason for choosing the DWARF method is
because I'd eventually like to stop creating lldb CUs for dwarf type
units (and so this code needs to would need to work without them).
Reviewers: clayborg, JDevlieghere, aprantl
Subscribers: jdoerfert, lldb-commits
Differential Revision: https://reviews.llvm.org/D62481
llvm-svn: 361939
Summary:
debug_ranges got renamed to debug_rnglists in DWARF 5. Prior to this
patch lldb was just picking the first section it could find in the file,
and using that for all address ranges lookups. This is not correct in
case the file contains a mixture of compile units with various standard
versions (not a completely unlikely scenario).
In this patch I make lldb support reading from both sections
simulaneously, and decide the correct section to use based on the
version number of the compile unit. SymbolFileDWARF::DebugRanges is
split into GetDebugRanges and GetDebugRngLists (the first one is renamed
mainly so we can catch all incorrect usages).
I tried to structure the code similarly to how llvm handles this logic
(hence DWARFUnit::FindRnglistFromOffset/Index), but the implementations
are still relatively far from each other.
Reviewers: JDevlieghere, aprantl, clayborg
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D62302
llvm-svn: 361938
Summary:
Patch adds support for the following instructions:
* EOR3, BSL, BCAX, BSL1N, BSL2N, NBSL, XAR
Aliases for types .B/.H/.S for EOR3 and BCAX have been added, the
preferred disassembly is .D.
The specification can be found here:
https://developer.arm.com/docs/ddi0602/latest
Reviewed By: SjoerdMeijer
Differential Revision: https://reviews.llvm.org/D62387
llvm-svn: 361936
According to i386 System V ABI 2.1: Structures and unions assume the
alignment of their most strictly aligned component. But current
implementation always takes them as 4-byte aligned which will result
in incorrect code, e.g:
1 #include <immintrin.h>
2 typedef union {
3 int d[4];
4 __m128 m;
5 } M128;
6 extern void foo(int, ...);
7 void test(void)
8 {
9 M128 a;
10 foo(1, a);
11 foo(1, a.m);
12 }
The first call (line 10) takes the second arg as 4-byte aligned while
the second call (line 11) takes the second arg as 16-byte aligned.
There is oxymoron for the alignment of the 2 calls because they should
be the same.
This patch fixes the bug by following i386 System V ABI and apply it to
Linux only since other System V OS (e.g Darwin, PS4 and FreeBSD) don't
want to spend any effort dealing with the ramifications of ABI breaks
at present.
Patch by Wei Xiao (wxiao3)
Differential Revision: https://reviews.llvm.org/D60748
llvm-svn: 361934
Summary:
Patch adds support for the following instructions:
SVE2 floating-point pairwise operations:
* FADDP, FMAXNMP, FMINNMP, FMAXP, FMINP
The specification can be found here:
https://developer.arm.com/docs/ddi0602/latest
Reviewed By: chill
Differential Revision: https://reviews.llvm.org/D62383
llvm-svn: 361933
This removes 2 precompiled objects from the test case and replaces
them with a single YAML. That allowed to simplify and clean up the test,
remove excessive checks.
Differential revision: https://reviews.llvm.org/D62529
llvm-svn: 361932
Fix two issues that caused libcxx source path not to be inferred
correctly when not specified explicitly:
1. get_lit_conf() uses default value only if the lit variable is set
to None. Due to the mehod of substituting lit.site.cfg, they were
"" rather than None when unset, effectively causing the default never
to apply. Instead, use 'or' construct to use the default whenever
get_lit_conf() returns a false value.
2. If os.path.join() is given a component starting with '/', it takes
it to be an absolute path and ignores everything preceding it.
Remove the slash to correctly append subdirectory.
With these two fixes, libunwind tests start working on NetBSD buildbot
again.
Differential Revision: https://reviews.llvm.org/D62005
llvm-svn: 361931
Port xmmintrin.h which include Intel SSE intrinsics implementation to PowerPC platform (using Altivec).
The new headers containing those implemenations are located into a directory named ppc_wrappers
which has higher priority when the platform is PowerPC on Linux. They are mainly developed by Steven Munroe,
with contributions from Paul Clarke, Bill Schmidt, Jinsong Ji and Zixuan Wu.
Patched by: Qiu Chaofan <qiucf@cn.ibm.com>
Reviewed By: Jinsong Ji
Differential Revision: https://reviews.llvm.org/D62121
llvm-svn: 361928
There's no guarantee that the other partition will be loaded, so it
can't be reused.
Differential Revision: https://reviews.llvm.org/D62365
llvm-svn: 361926
This change causes us to read partition specifications from partition
specification sections and split output sections into partitions according
to their reachability from partition entry points.
This is only the first step towards a full implementation of partitions. Later
changes will add additional synthetic sections to each partition so that
they can be loaded independently.
Differential Revision: https://reviews.llvm.org/D60353
llvm-svn: 361925
Cameron McInally