Sjoerd Meijer [Mon, 17 Feb 2020 10:13:47 +0000 (10:13 +0000)]
[AArch64] Fix small typos in the target description. NFC.
Patch by Tamas Petz.
Differential Revision: https://reviews.llvm.org/D74603
Simon Tatham [Mon, 17 Feb 2020 09:11:35 +0000 (09:11 +0000)]
[TableGen] Don't elide bitconverts in PatFrag fragments.
Summary:
In the DAG pattern backend, `SimplifyTree` simplifies a pattern by
removing bitconverts between two identical types. But that function is
also run on the fragments list in instances of `PatFrags`, in which
the types haven't been specified yet. So the input and output of the
bitconvert always evaluate to the empty set of types, which makes them
compare equal. So the test always passes, and bitconverts are
unconditionally removed from the PatFrag RHS.
Fixed by spotting the empty type set and using it to inhibit the
optimization.
Reviewers: nhaehnle, hfinkel
Reviewed By: nhaehnle
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D74627
Jan Kratochvil [Mon, 17 Feb 2020 09:24:19 +0000 (10:24 +0100)]
[lldb] [nfc] Simplify user_id_t -> size_t
As discussed in https://reviews.llvm.org/D73206#1871895> simplifying
usage of `user_id_t`.
There is even written:
// The compile unit ID is the index of the DWARF unit.
DWARFUnit *dwarf_cu = info->GetUnitAtIndex(comp_unit->GetID());
Differential Revision: https://reviews.llvm.org/D74670
Sourabh Singh Tomar [Mon, 17 Feb 2020 09:18:25 +0000 (14:48 +0530)]
[NFCI][DebugInfo]: Corrected a Typo.
Sjoerd Meijer [Mon, 17 Feb 2020 09:13:21 +0000 (09:13 +0000)]
[X86] New test to check rev16 patterns, prep step for D74032. NFC.
Sylvestre Ledru [Mon, 17 Feb 2020 09:02:11 +0000 (10:02 +0100)]
clang analyzer: Fix the webpage rendering
Raphael Isemann [Mon, 17 Feb 2020 08:39:06 +0000 (09:39 +0100)]
[lldb] Fix some tests failing with gmodules after change to stdlib.h
Commit
82b47b2978405f802a33b00d046e6f18ef6a47be changes the way the stdlib.h
header is structured which seems to cause strange lookup failures in the modules
build. This updates a few failing tests so that they pass with the new
behavior of stdlib.h.
See the discussion in https://reviews.llvm.org/rG82b47b2978405f802a33b00d046e6f18ef6a47be
Kang Zhang [Mon, 17 Feb 2020 08:34:56 +0000 (08:34 +0000)]
[NFC][PowerPC] Update the test case scalar-equal.ll
Modify the command option to add --enable-no-nans-fp-math
Fangrui Song [Mon, 17 Feb 2020 06:34:42 +0000 (22:34 -0800)]
[MC] Delete two unused MCCodePadder functions missed by D71106
QingShan Zhang [Mon, 17 Feb 2020 05:42:49 +0000 (05:42 +0000)]
[PowerPC] Add the missing InstrAliasing for 64-bit rotate instructions
We have the InstAlias rules for 32-bit rotate but missing the 64-bit one.
Rotate left immediate rotlwi ra,rs,n rlwinm ra,rs,n,0,31
Rotate left rotlw ra,rs,rb rlwnm ra,rs,rb,0,31
Differential Revision: https://reviews.llvm.org/D72676
Kang Zhang [Mon, 17 Feb 2020 05:27:36 +0000 (05:27 +0000)]
[NFC][PowerPC] Add a new test case scalar-equal.ll
Michael Liao [Mon, 17 Feb 2020 05:18:01 +0000 (00:18 -0500)]
Fix `-Wpedantic` warning. NFC.
River Riddle [Mon, 17 Feb 2020 05:06:56 +0000 (21:06 -0800)]
[mlir] Address post commit feedback of D73590 for SymbolsAndSymbolTables.md
Craig Topper [Mon, 17 Feb 2020 04:52:18 +0000 (20:52 -0800)]
[X86] Disable load folding for X86ISD::ADD with 128 as an immediate.
It can be turned into a sub with -128 instead as long as the
carry flag isn't used.
Fangrui Song [Mon, 17 Feb 2020 04:33:07 +0000 (20:33 -0800)]
[CUDA][HIP][OpenMP] Add lib/Sema/UsedDeclVisitor.h after D70172
Craig Topper [Mon, 17 Feb 2020 04:24:20 +0000 (20:24 -0800)]
[X86] Remove unnecessary check for null SDValue. NFC
Matt Arsenault [Sun, 16 Feb 2020 03:09:23 +0000 (22:09 -0500)]
AMDGPU/GlobalISel: Fix non-power-of-2 G_SITOFP/G_UITOFP
This wouldn't work for s33-s63 sources.
Matt Arsenault [Sun, 16 Feb 2020 03:13:29 +0000 (22:13 -0500)]
AMDGPU/GlobalISel: Add some missing tests for non-power-of-2 cases
Matt Arsenault [Sun, 16 Feb 2020 03:24:17 +0000 (22:24 -0500)]
AMDGPU/GlobalISel: Move lambdas to normal function
These aren't using any local state
Yaxun (Sam) Liu [Mon, 17 Feb 2020 02:38:03 +0000 (21:38 -0500)]
[CUDA][HIP][OpenMP] Emit deferred diagnostics by a post-parsing AST travese
This patch removes the explicit call graph for CUDA/HIP/OpenMP deferred
diagnostics generated during parsing since it is error prone due to
incomplete information about function declarations during parsing. In stead,
this patch does a post-parsing AST traverse and emits deferred diagnostics
based on the use graph implicitly generated during the traverse.
Differential Revision: https://reviews.llvm.org/D70172
Nico Weber [Mon, 17 Feb 2020 02:29:37 +0000 (21:29 -0500)]
[gn build] use -Xclang form for fdebug-comp-dir for now
The driver version of the flag seems to confuse goma.
Zheng Chen [Fri, 14 Feb 2020 06:42:43 +0000 (01:42 -0500)]
[Powerpc] set instruction count as lsr first priority of lsr.
On Powerpc, set instruction count as lsr first priority of lsr by default.
Add an option ppc-lsr-no-insns-cost to return back to default lsr cost model.
Reviewed By: steven.zhang, jsji
Differential Revision: https://reviews.llvm.org/D72683
Yaxun (Sam) Liu [Wed, 29 Jan 2020 19:11:37 +0000 (14:11 -0500)]
[OpenCL][CUDA][HIP][SYCL] Add norecurse
norecurse function attr indicates the function is not called recursively
directly or indirectly.
Add norecurse to OpenCL functions, SYCL functions in device compilation
and CUDA/HIP kernels.
Although there is LLVM pass adding norecurse to functions, it only works
for whole-program compilation. Also FE adding norecurse can make that
pass run faster since functions with norecurse do not need to be checked
again.
Differential Revision: https://reviews.llvm.org/D73651
Craig Topper [Sun, 16 Feb 2020 23:59:50 +0000 (15:59 -0800)]
[X86] Increase latency of port5 masked compares and kshift/kadd/kunpck instructions in SKX scheduler model
Uops.info shows these as 4 cycle latency.
Craig Topper [Sun, 16 Feb 2020 19:40:30 +0000 (11:40 -0800)]
[X86] Add more avx512 instrutions to llvm-mca resource tests
Pierre Habouzit [Fri, 31 Jan 2020 00:48:11 +0000 (16:48 -0800)]
[objc_direct] Small updates to help with adoption.
Add fixits for messaging self in MRR or using super, as the intent is
clear, and it turns out people do that a lot more than expected.
Allow for objc_direct_members on main interfaces, it's extremely useful
for internal only classes, and proves to be quite annoying for adoption.
Add some better warnings around properties direct/non-direct clashes (it
was done for methods but properties were a miss).
Add some errors when direct properties are marked @dynamic.
Radar-Id: rdar://problem/
58355212
Signed-off-by: Pierre Habouzit <phabouzit@apple.com>
Differential Revision: https://reviews.llvm.org/D73755
Fangrui Song [Sun, 16 Feb 2020 20:59:10 +0000 (12:59 -0800)]
[IR] Change maybeSetDSOLocal to isImplicitDSOLocal
This allows some simplification.
Florian Hahn [Sun, 16 Feb 2020 19:33:21 +0000 (20:33 +0100)]
[SCCP] Re-generate check lines using --function-signature. (NFC)
Craig Topper [Sun, 16 Feb 2020 07:15:52 +0000 (23:15 -0800)]
[X86] Separate floating point handling out of EmitCmp and emitFlagsForSetcc.
Both of those functions only have a single caller starting
at LowerSETCC. Just handle floating point directly in LowerSETCC.
This removes the need to pass Chain and IsSignaling all the way
down.
Craig Topper [Sat, 15 Feb 2020 23:20:03 +0000 (15:20 -0800)]
[X86] Split X86ISD::CMP into an integer and FP opcode.
Mark de Wever [Sun, 16 Feb 2020 17:34:26 +0000 (18:34 +0100)]
[Sema] Fix pointer-to-int-cast for MSVC build bot
Revision
9658d895c81a breaks the clang-x64-windows-msvc build bot [1].
This should fix the unit test using the same method as used in
9658d895c81a.
Note I don't have access to a Windows system so the patch is based on the
errors generated by the bot.
[1] http://lab.llvm.org:8011/builders/clang-x64-windows-msvc/builds/14358
Differential Revision: https://reviews.llvm.org/D74694
marshall [Sun, 16 Feb 2020 17:55:50 +0000 (18:55 +0100)]
Update last-mod date for libcxx status page
marshall [Sun, 16 Feb 2020 17:54:06 +0000 (18:54 +0100)]
Updated with list of papers and issues adopted in Prague
LLVM GN Syncbot [Sun, 16 Feb 2020 17:32:06 +0000 (17:32 +0000)]
[gn build] Port
ee2c0f76d74
Eric Astor [Sun, 16 Feb 2020 17:29:51 +0000 (12:29 -0500)]
[ms] [llvm-ml] Add a draft MASM parser
Summary:
Many directives are unavailable, and support for others may be limited.
This first draft has preliminary support for:
- conditional directives (including errors),
- data allocation (unsigned types up to 8 bytes, and ALIGN),
- equates/variables (numeric and text),
- and procedure directives (without parameters),
as well as COMMENT, ECHO, INCLUDE, INCLUDELIB, PUBLIC, and EXTERN. Text variables (aka text macros) are expanded in-place wherever the identifier occurs.
We deliberately ignore all ml.exe processor directives.
Prominent features not yet supported:
- structs
- macros (both procedures and functions)
- procedures (with specified parameters)
- substitution & expansion operators
Conditional directives are complicated by the fact that "ifdef rax" is a valid way to check if a file is being assembled for a 64-bit x86 processor; we add support for "ifdef <register>" in general, which requires adding a tryParseRegister method to all MCTargetAsmParsers. (Some targets require backtracking in the non-register case.)
Reviewers: rnk, thakis
Reviewed By: thakis
Subscribers: kerbowa, merge_guards_bot, wuzish, arsenm, dschuff, jyknight, dylanmckay, sdardis, nemanjai, jvesely, mgorny, sbc100, jgravelle-google, hiraditya, aheejin, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, MaskRay, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, jsji, Jim, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D72680
Nikita Popov [Sun, 16 Feb 2020 17:02:29 +0000 (18:02 +0100)]
[IRBuilder] Prefer InsertPointGuard over full copy; NFC
Don't copy the IRBuilder when an InsertPointGuard would also do.
Nikita Popov [Sun, 16 Feb 2020 16:57:18 +0000 (17:57 +0100)]
[IRBuilder] Fix unnecessary IRBuilder copies; NFC
Fix a few cases where an IRBuilder is passed to a helper function
by value, while a by reference pass was intended.
Simon Pilgrim [Sun, 16 Feb 2020 13:54:17 +0000 (13:54 +0000)]
[X86] combineX86ShuffleChain - add support for combining 512-bit shuffles to PALIGNR
Simon Pilgrim [Sun, 16 Feb 2020 13:09:16 +0000 (13:09 +0000)]
[X86] combineX86ShuffleChain - add support for combining 512-bit shuffles to bit shifts
Nikita Popov [Sun, 16 Feb 2020 15:59:15 +0000 (16:59 +0100)]
Revert "[IRBuilder] Virtualize IRBuilder"
This reverts commit
0765d3824d069f37596bc5a890399099b776c2a0.
This reverts commit
1b04866a3db9f816a559860f941da067fe1eccf1.
Relevant looking crashes observed on:
http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win
Sanjay Patel [Sun, 16 Feb 2020 15:40:28 +0000 (10:40 -0500)]
[VectorCombine] fix cost calc for extract-cmp
getOperationCost() is not the cost we wanted; that's not the
throughput value that the rest of the calculation uses.
We may want to switch everything in this code to use the
getInstructionThroughput() wrapper to avoid these kinds of
problems, but I'll look at that as a follow-up because that
can create other logical diffs via using optional parameters
(we'd need to speculatively create the vector instruction to
make a fair(er) comparison).
Sanjay Patel [Sun, 16 Feb 2020 15:32:56 +0000 (10:32 -0500)]
[x86] form broadcast of scalar memop even with >1 use
The unseen logic diff occurs because MayFoldLoad() is defined like this:
static bool MayFoldLoad(SDValue Op) {
return Op.hasOneUse() && ISD::isNormalLoad(Op.getNode());
}
The test diffs here all seem ok to me on screen/paper, but it's hard to know
if that will lead to universally better perf for all targets. For example,
if a target implements broadcast from mem as multiple uops, we would have to
weigh the potential reduction of instructions and register pressure vs.
possible increase in number of uops. I don't know if we can make a truly
informed decision on this at compile-time.
The motivating case that I'm looking at in PR42024:
https://bugs.llvm.org/show_bug.cgi?id=42024
...resembles the diff in extract-concat.ll, but we're not going to change the
larger example there without at least 1 other fix.
Differential Revision: https://reviews.llvm.org/D74088
Nikita Popov [Sun, 16 Feb 2020 09:15:53 +0000 (10:15 +0100)]
[InstCombine] Create new log2 intrinsic; NFCI
Rather than mixing creation of new instructions and in-place
modification here, create a new log2 intrinsic. This should be
NFC apart from worklist order changes.
Nikita Popov [Sun, 16 Feb 2020 09:51:11 +0000 (10:51 +0100)]
[InstCombine] Add multiuse tests for cttz transform; NFC
These show incorrect duplication of instructions.
Mark de Wever [Sun, 16 Feb 2020 14:01:25 +0000 (15:01 +0100)]
[Sema] Adds the pointer-to-int-cast diagnostic
Converting a pointer to an integer whose result cannot represented in the
integer type is undefined behavior is C and prohibited in C++. C++ already
has a diagnostic when casting. This adds a diagnostic for C.
Since this diagnostic uses the range of the conversion it also modifies
int-to-pointer-cast diagnostic to use a range.
Fixes PR8718: No warning on casting between pointer and non-pointer-sized int
Differential Revision: https://reviews.llvm.org/D72231
Nikita Popov [Sun, 16 Feb 2020 14:21:21 +0000 (15:21 +0100)]
[IRBuilder] Try to fix warnings
Try to fix -Wnon-virtual-dtor warnings that cause build failure
on clang-pcc64le-rhel.
Nikita Popov [Sat, 1 Feb 2020 17:23:36 +0000 (18:23 +0100)]
[IRBuilder] Virtualize IRBuilder
Related llvm-dev thread:
http://lists.llvm.org/pipermail/llvm-dev/2020-February/138951.html
This patch moves the IRBuilder from templating over the constant
folder and inserter towards making both of these virtual.
There are a couple of motivations for this:
1. It's not possible to share code between use-sites that use
different IRBuilder folders/inserters (short of templating the code
and moving it into headers).
2. Methods currently defined on IRBuilderBase (which is not templated)
do not use the custom inserter, resulting in subtle bugs (e.g.
incorrect InstCombine worklist management). It would be possible to
move those into the templated IRBuilder, but...
3. The vast majority of the IRBuilder implementation has to live
in the header, because it depends on the template arguments.
4. We have many unnecessary dependencies on IRBuilder.h,
because it is not easy to forward-declare. (Significant parts of
the backend depend on it via TargetLowering.h, for example.)
This patch addresses the issue by making the following changes:
* IRBuilderDefaultInserter::InsertHelper becomes virtual.
IRBuilderBase accepts a reference to it.
* IRBuilderFolder is introduced as a virtual base class. It is
implemented by ConstantFolder (default), NoFolder and TargetFolder.
IRBuilderBase has a reference to this as well.
* All the logic is moved from IRBuilder to IRBuilderBase. This means
that methods can in the future replace their IRBuilder<> & uses
(or other specific IRBuilder types) with IRBuilderBase & and thus
be usable with different IRBuilders.
* The IRBuilder class is now a thin wrapper around IRBuilderBase.
Essentially it only stores the folder and inserter and takes care
of constructing the base builder.
What this patch doesn't do, but should be simple followups after this change:
* Fixing use of the inserter for creation methods originally defined
on IRBuilderBase.
* Replacing IRBuilder<> uses in arguments with IRBuilderBase, where useful.
* Moving code from the IRBuilder header to the source file.
From the user perspective, these changes should be mostly transparent:
The only thing that consumers using a custom inserted may need to do is
inherit from IRBuilderDefaultInserter publicly and mark their InsertHelper
as public.
Differential Revision: https://reviews.llvm.org/D73835
Georgii Rymar [Thu, 13 Feb 2020 12:12:31 +0000 (15:12 +0300)]
[llvm-readobj] - Refactor the code that dumps relocations.
The current code has following issues:
1) It has a duplicated logic part.
2) This logic relies on unwrapOrError calls, but if we want to convert
them to warnings, we will need to change all of them what is hard to do
because of the duplication.
In this patch I've created a new method that returns Expected<> what allows
now to catch all errors in a single place and remove the code duplication.
Note: this change is itself a refactor NFC. It does not change the current logic
anyhow. It prepares the code for the follow-up(s).
Differential revision: https://reviews.llvm.org/D74545
riverriddle@google.com [Sun, 16 Feb 2020 07:54:28 +0000 (23:54 -0800)]
[mlir] Allow adding extra class declarations to interfaces.
Summary: This matches the similar feature on operation definitions.
Reviewers: jpienaar, antiagainst
Reviewed By: jpienaar, antiagainst
Subscribers: mehdi_amini, burmako, shauheen, antiagainst, nicolasvasilache, arpith-jacob, mgester, lucyrfox, liufengdb, Joonsoo, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D74438
River Riddle [Sun, 16 Feb 2020 07:48:59 +0000 (23:48 -0800)]
[mlir][Parser][NFC] Remove several usages of getEncodedSourceLocation
Summary: getEncodedSourceLocation can be very costly to compute, especially if the input line becomes very long. This revision inlines some of the verification of a few `getChecked` methods to avoid the materialization of an encoded source location.
Differential Revision: https://reviews.llvm.org/D74587
Johannes Doerfert [Sun, 16 Feb 2020 06:51:11 +0000 (00:51 -0600)]
[FIX] Do not copy an llvm::function_ref if it has to be reused
Some buildbots signaled a problem in this method when the
llvm::function_ref was copied and reused after
1228d42ddab8. To
eliminate the problem we avoid copying the llvm::function_ref and
instead we pass it as a const reference.
Johannes Doerfert [Sun, 16 Feb 2020 02:38:49 +0000 (20:38 -0600)]
[Attributor][FIX] Use pointer not reference as it can be null
Dimitry Andric [Sun, 16 Feb 2020 00:47:12 +0000 (01:47 +0100)]
Restore functionality of --sysroot on FreeBSD after
b18cb9c47
After
b18cb9c47, clang would sometimes prefer the host C++ includes
(e.g. in /usr/include/c++/v1) before those specified via --sysroot.
While this behavior may be desirable on Linux, it is not so on FreeBSD,
where we make extensive use of --sysroot during the build of the base
system. In that case, clang must *not* search outside the sysroot,
except for its own internal headers.
Add an override addLibCxxIncludePaths() to restore the old behavior,
which is to simply append /usr/include/c++/v1 to the specified sysroot.
While here, apply clang-format to the FreeBSD specific toolchain files.
Fixes PR44923.
Greg Clayton [Sun, 16 Feb 2020 00:46:50 +0000 (16:46 -0800)]
[NFC] Move ValidTextRanges out of DwarfTransformer and into GsymCreator and unify address is not in GSYM errors so all strings match.
Johannes Doerfert [Sun, 16 Feb 2020 00:07:42 +0000 (18:07 -0600)]
[FIX] Remove pointer in attribute to eliminate leaks (see D71830)
Eric Fiselier [Sat, 15 Feb 2020 23:55:07 +0000 (18:55 -0500)]
[libc++] Move abs and div into stdlib.h to fix header cycle.
libc++ is careful to not fracture overload sets. When one overload
is visible to a user, all of them should be. Anything less causes
subtle bugs and ODR violations.
Previously, in order to support ::abs and ::div being supplied by
both <cmath> and <cstdlib> we had to do awful things that make
<math.h> and <stdlib.h> have header cycles and be non-modular.
This really breaks with modules.
Specifically the problem was that in C++ ::abs introduces overloads
for floating point numbers, these overloads forward to ::fabs,
which are defined in math.h. Therefore ::abs needed to be in math.h
too. But this required stdlib.h to include math.h and math.h to
include stdlib.h.
To avoid these problems the definitions have been moved to stddef.h
(which math includes), and the floating point overloads of ::abs
have been changed to call __builtin_fabs, which both Clang and GCC
support.
Eric Fiselier [Sat, 15 Feb 2020 23:26:29 +0000 (18:26 -0500)]
[libc++] Add utility to generate and display libc++'s header dependency
graph.
Simon Pilgrim [Sat, 15 Feb 2020 23:34:31 +0000 (23:34 +0000)]
[X86] Add test cases showing failure to simplify target shuffles to bit shifts
Simon Pilgrim [Sat, 15 Feb 2020 23:33:17 +0000 (23:33 +0000)]
Fix Wdocumentation unknown parameter warnings. NFCI.
Simon Pilgrim [Sat, 15 Feb 2020 22:48:10 +0000 (22:48 +0000)]
[X86][AVX512] Split AVX512F and AVX512BW shuffle combining tests
Split off shuffle combine tests that use AVX512F intrinsics, so we can test it with/without AVX512BW support.
Fangrui Song [Sat, 15 Feb 2020 19:40:10 +0000 (11:40 -0800)]
[X86][AsmPrinter] PrintSymbolOperand: prefer to lower ELF MO_GlobalAddress to .Lfoo$local
Florian Hahn [Sat, 15 Feb 2020 20:24:19 +0000 (21:24 +0100)]
[ValueLattice] Update markConstantRange to return false equal ranges.
Currently we always return true, when markConstantRange is used on an
object already containing a constant range. If NewR is equal to the
existing constant range however, nothing changes and we should return
false.
I also went ahead and added a clarifying comment and improved the
assertion.
Reviewers: efriedma, davide, nikic
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D73240
Craig Topper [Sat, 15 Feb 2020 20:55:51 +0000 (12:55 -0800)]
[X86] Merge two switches together to simplify some code. NFC
Craig Topper [Sat, 15 Feb 2020 18:48:57 +0000 (10:48 -0800)]
[X86] Fix typo in comment. NFC
Simon Pilgrim [Sat, 15 Feb 2020 20:04:15 +0000 (20:04 +0000)]
[X86] combineX86ShuffleChain - add support for combining to X86ISD::ROTLI
Refactors matchShuffleAsBitRotate to allow use by both lowerShuffleAsBitRotate and matchUnaryPermuteShuffle.
Florian Hahn [Sat, 15 Feb 2020 18:22:02 +0000 (19:22 +0100)]
[ValueLattice] Make mark* functions public, return if value changed.
This patch prepares ValueLatticeElement to be used by SCCP, by:
* making the mark* functions public
* make the mark* functions return a bool indicating if the value has changed.
Reviewers: efriedma, davide, mssimpso, nikic
Reviewed By: nikic
Differential Revision: https://reviews.llvm.org/D60581
Simon Pilgrim [Sat, 15 Feb 2020 19:23:00 +0000 (19:23 +0000)]
[X86] Add test showing failure to combine shuffle to bit rotation
Craig Topper [Sat, 15 Feb 2020 17:59:10 +0000 (09:59 -0800)]
[X86] Move combineIncDecVector logic from Select to PreprocessISelDAG.
This allows it to work properly with masked inc/dec for avx512. Those
would have a vselect as the root node so didn't get a chance to call
combineIncDecVector.
This also simplifies the logic because we don't have to manage
the topological ordering.
Florian Hahn [Thu, 13 Feb 2020 23:05:50 +0000 (00:05 +0100)]
Recommit "[SCCP] Remove forcedconstant, go to overdefined instead"
This includes a fix for cases where things get marked as overdefined in
ResolvedUndefsIn, but we later discover a constant. To avoid crashing,
we consistently bail out on overdefined values in the visitors. This is
similar to the previous behavior with forcedconstant.
This reverts the revert commit
02b72f564c8be0b4f4337d5c4a3fcf7e8018a818.
Fangrui Song [Sat, 15 Feb 2020 16:52:56 +0000 (08:52 -0800)]
[MC] De-capitalize MCStreamer::Emit{Bundle,Addrsig}* etc
So far, all non-COFF-related Emit* functions have been de-capitalized.
Simon Pilgrim [Sat, 15 Feb 2020 16:47:35 +0000 (16:47 +0000)]
Fix gcc9.2 -Winit-list-lifetime warning. NFCI.
Reported by @lbenes (Luke Benes)
Georgii Rymar [Sat, 15 Feb 2020 15:34:06 +0000 (18:34 +0300)]
[obj2yaml] - Fix a -Wsign-compare warning gived by GCC 9.2
I was reported that with commit:
https://github.com/llvm/llvm-project/commit/
d3963051c490
gcc-9.2 is giving the warning below.
This should help (I have no gcc 9.2 to test).
[ 57%] Building CXX object tools/obj2yaml/CMakeFiles/obj2yaml.dir/elf2yaml.cpp.o
/llvm/tools/obj2yaml/elf2yaml.cpp: In instantiation of ‘llvm::Expected<llvm::ELFYAML::Object*>
{anonymous}::ELFDumper<ELFT>::dump() [with ELFT = llvm::object::ELFType<llvm::support::little, false>]’:
/llvm/tools/obj2yaml/elf2yaml.cpp:1218:31: required from ‘llvm::Error elf2yaml(llvm::raw_ostream&,
const llvm::object::ELFFile<ELFT>&) [with ELFT = llvm::object::ELFType<llvm::support::little, false>]’
/llvm/tools/obj2yaml/elf2yaml.cpp:1231:47: required from here
/llvm/tools/obj2yaml/elf2yaml.cpp:207:41: warning: comparison of integer expressions of different
signedness: ‘llvm::support::detail::packed_endian_specific_integral<unsigned int, llvm::support::little, 1>::value_type’ {aka ‘unsigned int’} and ‘int’ [-Wsign-compare]
207 | if (!SymTab || SymTabShndx->sh_link != SymTab - Sections.begin())
/llvm/tools/obj2yaml/elf2yaml.cpp: In instantiation of ‘llvm::Expected<llvm::ELFYAML::Object*>
{anonymous}::ELFDumper<ELFT>::dump() [with ELFT = llvm::object::ELFType<llvm::support::big, false>]’:
...
Alexandre Ganea [Sat, 15 Feb 2020 14:03:38 +0000 (09:03 -0500)]
[Support] In tests, fix warning: variable ‘Threads’ set but not used
Simon Pilgrim [Sat, 15 Feb 2020 13:53:18 +0000 (13:53 +0000)]
Fix boolean/bitwise operator precedence warnings. NFCI.
Simon Pilgrim [Sat, 15 Feb 2020 13:27:06 +0000 (13:27 +0000)]
[APInt] byteSwap - handle any whole byte bitwidth greater than 16-bits
As noted on D74621, the bswap intrinsic has a self imposed limitation that the type's bitwidth must be divisible by 16, but there's no reason that APInt::byteSwap must have the same limitation, given that it can already handle any byte width.
Pavel Iliin [Sat, 15 Feb 2020 10:50:59 +0000 (10:50 +0000)]
[AArch64][FIX] Correct register live range during pseudo expansion.
This commit fixes the broken tests after
commit
b6a9fe209992789be3ed95664d25196361cfad34
on the expensive check builder:
http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-ubuntu/builds/2884
Simon Pilgrim [Sat, 15 Feb 2020 12:16:14 +0000 (12:16 +0000)]
[APInt] byteSwap - simplify sub 64-bits cases to match general implementation. NFCI.
We can just byteSwap the entire uint64_t VAL and then shift down into place like we do for the multi-word case.
Simon Pilgrim [Sat, 15 Feb 2020 11:56:26 +0000 (11:56 +0000)]
[APInt] Add some procedural APInt::byteSwap unit tests
rGf0181cc7bac3 added specific tests up to i64, this adds a general loop to test some basic byte moves for larger APInts.
David Green [Sat, 15 Feb 2020 10:41:14 +0000 (10:41 +0000)]
[AArch64] Fixup kill flags on BSL generation
This hopefully fixes up the expensive checks bot.
Nico Weber [Sat, 15 Feb 2020 11:25:21 +0000 (06:25 -0500)]
[gn build] unbreak win build by removing flags that only work with a sysroot
Alexey Lapshin [Fri, 14 Feb 2020 15:57:21 +0000 (18:57 +0300)]
[Debuginfo][NFC] Remove usages of WithColor::error and WithColor::warning.
Summary:
This patch is extracted from D74308.
It patches all usages of WithColor::error() and WithColor::warning
in DebugInfoDWARF library.
Depends on D74481
Reviewers: jhenderson, dblaikie, probinson, aprantl, JDevlieghere
Reviewed By: JDevlieghere
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D74635
Richard Smith [Sat, 15 Feb 2020 10:15:26 +0000 (02:15 -0800)]
PR44890: Inherit explicitly-specified template arguments into base class
deduction.
Richard Smith [Sat, 15 Feb 2020 09:51:43 +0000 (01:51 -0800)]
[cxx_status] New papers from Prague 2020 WG21 meeting.
serge-sans-paille [Fri, 14 Feb 2020 11:11:20 +0000 (12:11 +0100)]
Fix standalone build interaction with compiler extension
As suggested in https://github.com/llvm/llvm-project/issues/120, don't try to
generate the extension file from clang, only do the linking step.
Fixes the regression introduced in D74464 when running cmake inside the clang
directory.
Differential Revision: https://reviews.llvm.org/D74602
Alexey Lapshin [Tue, 11 Feb 2020 15:32:27 +0000 (18:32 +0300)]
[Debuginfo][NFC] Create common error handlers for DWARFContext.
Summary:
this review is extracted from D74308.
It creates two error handlers which allow to redefine error
reporting routine and should be used for all places
where errors are reported:
std::function<void(Error)> RecoverableErrorHandler = defaultErrorHandler;
std::function<void(Error)> WarningHandler = defaultWarningHandler;
It also creates accessors to above handlers which should be used to
report errors.
function_ref<void(Error)> getRecoverableErrorHandler() {
return RecoverableErrorHandler;
}
function_ref<void(Error)> getWarningHandler() { return WarningHandler; }
It patches all error reporting places inside DWARFContext and DWARLinker.
Reviewers: jhenderson, dblaikie, probinson, aprantl, JDevlieghere
Reviewed By: jhenderson, JDevlieghere
Subscribers: hiraditya, llvm-commits
Tags: #llvm, #debug-info
Differential Revision: https://reviews.llvm.org/D74481
Johannes Doerfert [Tue, 28 Jan 2020 04:49:36 +0000 (22:49 -0600)]
[Attributor] Collect memory accesses with their respective kind and location
In addition to a single bit per memory locations, e.g., globals and
arguments, we now collect more information about the actual accesses,
e.g., what instruction caused it, was it a read/write/read+write, and
what the underlying base pointer was. Follow up patches will make
explicit use of this.
Reviewed By: uenoku
Differential Revision: https://reviews.llvm.org/D73527
Johannes Doerfert [Sat, 15 Feb 2020 07:38:58 +0000 (01:38 -0600)]
[NFC] Revert unnecessary parts of
b91c267380
In
b91c267380 I accidentally introduced fixes that were not necessary
after
1a93285c686a. All but the `llvm_unreachable` are reverted again.
Johannes Doerfert [Sat, 15 Feb 2020 07:37:23 +0000 (01:37 -0600)]
[FIX] Order macros after D72304
Johannes Doerfert [Sat, 15 Feb 2020 06:59:08 +0000 (00:59 -0600)]
[FIX] Remove warnings and UB after
1228d42ddab8
Johannes Doerfert [Sat, 15 Feb 2020 06:58:42 +0000 (00:58 -0600)]
[FIX] Repair clang-tidy check after D72304
Fady Ghanim [Sat, 15 Feb 2020 06:42:23 +0000 (00:42 -0600)]
[OpenMP][OMPIRBuilder] Add Directives (master and critical) to OMPBuilder.
Add support for Master and Critical directive in the OMPIRBuilder. Both make use of a new common interface for emitting inlined OMP regions called `emitInlinedRegion` which was added in this patch as well.
Also this patch modifies clang to use the new directives when `-fopenmp-enable-irbuilder` commandline option is passed.
Reviewed By: jdoerfert
Differential Revision: https://reviews.llvm.org/D72304
Fangrui Song [Sat, 15 Feb 2020 06:40:47 +0000 (22:40 -0800)]
[MCStreamer] De-capitalize EmitValue EmitIntValue{,InHex}
Uday Bondhugula [Sat, 15 Feb 2020 06:54:18 +0000 (22:54 -0800)]
NFC: add indexing operator for ArrayAttr
Summary: - add ArrayAttr::operator[](unsigned idx)
Differential Revision: https://reviews.llvm.org/D74663
Johannes Doerfert [Sat, 15 Feb 2020 06:40:39 +0000 (00:40 -0600)]
[OpenMP][NFC] Update OpenMPSupport table
Atmn Patel [Sat, 15 Feb 2020 03:45:49 +0000 (21:45 -0600)]
[OpenMP][NFCI] Use the libFrontend DefaultKind in Clang
This swaps out the OpenMPDefaultClauseKind enum with a
llvm::omp::DefaultKind enum which is stored in OMPConstants.h.
This should not change any functionality.
Reviewed By: jdoerfert
Differential Revision: https://reviews.llvm.org/D74513
Fangrui Song [Sat, 15 Feb 2020 05:47:19 +0000 (21:47 -0800)]
[Attributor] Fix -Wunused-variable for -DLLVM_ENABLE_ASSERTIONS=off builds after
b4352e43d86e
Fangrui Song [Sat, 15 Feb 2020 05:14:31 +0000 (21:14 -0800)]
[AsmPrinter] Omit unique ID for .stack_sizes
Follow-up for D74006.
Fangrui Song [Sat, 15 Feb 2020 05:02:26 +0000 (21:02 -0800)]
[AsmPrinter][XRay] Omit unique ID for xray_instr_map and xray_fn_idx
Follow-up for D74006.
Diogo Sampaio [Sat, 15 Feb 2020 05:05:15 +0000 (05:05 +0000)]
[AArch64][FPenv] Update chain of int to fp conversion
Summary:
When using strict fp, it is required to update the
chain when performing integer type promotion of a
operand to a integer to floating point conversion.
Reviewers: craig.topper, john.brawn
Reviewed By: craig.topper
Subscribers: kristof.beyls, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D74597
Fangrui Song [Sat, 15 Feb 2020 04:35:04 +0000 (20:35 -0800)]
[AsmPrinter] Omit unique ID for __patchable_function_entries sections
Follow-up for D74006.
When the integrated assembler is used, we use SHF_LINK_ORDER. The
linked-to symbol is part of ELFSectionKey, thus we can omit the unique
ID.