Erich Keane [Tue, 17 Sep 2019 21:27:07 +0000 (21:27 +0000)]
Revert "Create UsersManual section entitled 'Controlling Floating Point"
This reverts commit
a08d5a4b0ebd44dc64f41049ed4e97a3c6d31498.
llvm-svn: 372185
Erik Pilkington [Tue, 17 Sep 2019 21:11:51 +0000 (21:11 +0000)]
[Sema] Split of versions of -Wimplicit-{float,int}-conversion for Objective-C BOOL
Also, add a diagnostic group, -Wobjc-signed-char-bool, to control all these
related diagnostics.
rdar://
51954400
Differential revision: https://reviews.llvm.org/D67559
llvm-svn: 372183
Reid Kleckner [Tue, 17 Sep 2019 21:10:49 +0000 (21:10 +0000)]
[PGO] Don't use comdat groups for counters & data on COFF
For COFF, a comdat group is really a symbol marked
IMAGE_COMDAT_SELECT_ANY and zero or more other symbols marked
IMAGE_COMDAT_SELECT_ASSOCIATIVE. Typically the associative symbols in
the group are not external and are not referenced by other TUs, they are
things like debug info, C++ dynamic initializers, or other section
registration schemes. The Visual C++ linker reports a duplicate symbol
error for symbols marked IMAGE_COMDAT_SELECT_ASSOCIATIVE even if they
would be discarded after handling the leader symbol.
Fixes coverage-inline.cpp in check-profile after r372020.
llvm-svn: 372182
Jinsong Ji [Tue, 17 Sep 2019 21:09:41 +0000 (21:09 +0000)]
Reland "[docs][Bugpoint]Add notes about multiple crashes"
Fix the warning.
Bugpoint.rst:124:Mismatch: both interpreted text role prefix and
reference suffix.
Note that the line no here is wrong and misleading,
the problem is in line 128, not 124.
llvm-svn: 372181
Erich Keane [Tue, 17 Sep 2019 20:45:23 +0000 (20:45 +0000)]
Create UsersManual section entitled 'Controlling Floating Point
Behavior'
Create a new section for documenting the floating point options. Move
all the floating point options into this section, and add new entries
for the floating point options that exist but weren't previously
described in the UsersManual.
Patch By: mibintc
Differential Revision: https://reviews.llvm.org/D67517
llvm-svn: 372180
Greg Clayton [Tue, 17 Sep 2019 20:31:01 +0000 (20:31 +0000)]
Fix buildbots.
MSVC doesn't correctly capture constexpr in lambdas, and other builds warn if you do, others will error out if you do. Avoid lambdas.
llvm-svn: 372179
Reid Kleckner [Tue, 17 Sep 2019 20:29:10 +0000 (20:29 +0000)]
Ignore exception specifier mismatch when merging redeclarations
Exception specifiers are now part of the function type in C++17.
Normally, it is illegal to redeclare the same function or specialize a
template with a different exception specifier, but under
-fms-compatibility, we accept it with a warning. Without this change,
the function types would not match due to the exception specifier, and
clang would claim that the types were "incompatible". Now we emit the
warning and merge the redeclaration as we would in C++14 and earlier.
Fixes PR42842, which is about compiling _com_ptr_t in C++17.
Based on a patch by Alex Fusco <alexfusco@google.com>!
Differential Revision: https://reviews.llvm.org/D67590
llvm-svn: 372178
Jessica Paquette [Tue, 17 Sep 2019 20:24:23 +0000 (20:24 +0000)]
[AArch64][GlobalISel] Support -tailcallopt
This adds support for `-tailcallopt` tail calls to CallLowering. This
piggy-backs off the changes from D67577, since doing it without a bit of
refactoring gets extremely ugly.
Support is basically ported from AArch64ISelLowering. The main difference here
is that tail calls in `-tailcallopt` change the ABI, so there's some extra
bookkeeping for the stack.
Show that we are correctly lowering these by updating tail-call.ll.
Also show that we don't do anything strange in general by updating
fastcc-reserved.ll, which passes `-tailcallopt`, but doesn't emit any tail
calls.
Differential Revision: https://reviews.llvm.org/D67580
llvm-svn: 372177
Jan Korous [Tue, 17 Sep 2019 19:45:24 +0000 (19:45 +0000)]
[clang-scan-deps] Add verbose mode
When running in the default mode we don't print anything other than actual output to stdout to make automated processing easier.
Differential Revision: https://reviews.llvm.org/D67522
llvm-svn: 372174
GN Sync Bot [Tue, 17 Sep 2019 19:41:36 +0000 (19:41 +0000)]
gn build: Merge r372168
llvm-svn: 372173
Roman Lebedev [Tue, 17 Sep 2019 19:37:07 +0000 (19:37 +0000)]
AArch64CallLowering::lowerCall(): fix build by not passing InArgs into lowerTailCall()
llvm-svn: 372172
Roman Lebedev [Tue, 17 Sep 2019 19:32:26 +0000 (19:32 +0000)]
[NFC][InstCombine] dropRedundantMaskingOfLeftShiftInput(): some NFC diff shaving
llvm-svn: 372171
Roman Lebedev [Tue, 17 Sep 2019 19:32:11 +0000 (19:32 +0000)]
[NFC][InstCombine] More tests for "Dropping pointless masking before left shift" (PR42563)
While we already fold that pattern if the sum of shift amounts is not
smaller than bitwidth, there's painfully obvious generalization:
https://rise4fun.com/Alive/F5R
I.e. the "sub of shift amounts" tells us how many bits will be left
in the output. If it's less than bitwidth, we simply need to
apply a mask, which is constant.
llvm-svn: 372170
Bardia Mahjour [Tue, 17 Sep 2019 19:22:01 +0000 (19:22 +0000)]
Revert "Data Dependence Graph Basics"
This reverts commit
c98ec60993a7aa65073692b62f6d728b36e68ccd, which broke the sphinx-docs build.
llvm-svn: 372168
Simon Pilgrim [Tue, 17 Sep 2019 19:16:00 +0000 (19:16 +0000)]
NVPTXAsmPrinter - Don't dereference a dyn_cast result. NFCI.
llvm-svn: 372166
Simon Pilgrim [Tue, 17 Sep 2019 19:14:11 +0000 (19:14 +0000)]
WasmEmitter - Don't dereference a dyn_cast result. NFCI.
llvm-svn: 372165
Jessica Paquette [Tue, 17 Sep 2019 19:08:44 +0000 (19:08 +0000)]
[AArch64][GlobalISel][NFC] Refactor tail call lowering code
When you begin implementing -tailcallopt, this gets somewhat hairy. Refactor
the call lowering code so that the tail call lowering stuff gets its own
function.
Differential Revision: https://reviews.llvm.org/D67577
llvm-svn: 372164
GN Sync Bot [Tue, 17 Sep 2019 19:00:41 +0000 (19:00 +0000)]
gn build: Merge r372162
llvm-svn: 372163
Bardia Mahjour [Tue, 17 Sep 2019 18:55:44 +0000 (18:55 +0000)]
Data Dependence Graph Basics
Summary:
This is the first patch in a series of patches that will implement data dependence graph in LLVM. Many of the ideas used in this implementation are based on the following paper:
D. J. Kuck, R. H. Kuhn, D. A. Padua, B. Leasure, and M. Wolfe (1981). DEPENDENCE GRAPHS AND COMPILER OPTIMIZATIONS.
This patch contains support for a basic DDGs containing only atomic nodes (one node for each instruction). The edges are two fold: def-use edges and memory-dependence edges.
The implementation takes a list of basic-blocks and only considers dependencies among instructions in those basic blocks. Any dependencies coming into or going out of instructions that do not belong to those basic blocks are ignored.
The algorithm for building the graph involves the following steps in order:
1. For each instruction in the range of basic blocks to consider, create an atomic node in the resulting graph.
2. For each node in the graph establish def-use edges to/from other nodes in the graph.
3. For each pair of nodes containing memory instruction(s) create memory edges between them. This part of the algorithm goes through the instructions in lexicographical order and creates edges in reverse order if the sink of the dependence occurs before the source of it.
Authored By: bmahjour
Reviewer: Meinersbur, fhahn, myhsu, xtian, dmgreen, kbarton, jdoerfert
Reviewed By: Meinersbur, fhahn, myhsu
Subscribers: ychen, arphaman, simoll, a.elovikov, mgorny, hiraditya, jfb, wuzish, llvm-commits, jsji, Whitney, etiotto
Tag: #llvm
Differential Revision: https://reviews.llvm.org/D65350
llvm-svn: 372162
Jinsong Ji [Tue, 17 Sep 2019 18:39:04 +0000 (18:39 +0000)]
[docs][Bugpoint] Revert
5584ead50 a5aa3353
No sure why there are still warnings, revert while I investigate.
llvm-svn: 372161
Jinsong Ji [Tue, 17 Sep 2019 18:23:06 +0000 (18:23 +0000)]
[docs][Bugpoint] Fix build break.
Bugpoint.rst:124: WARNING: Mismatch: both interpreted text role prefix
and reference suffix.
llvm-svn: 372160
Craig Topper [Tue, 17 Sep 2019 18:19:06 +0000 (18:19 +0000)]
[X86] Use APInt::operator<<= and APInt::lshrInPlace. NFC
llvm-svn: 372159
Craig Topper [Tue, 17 Sep 2019 18:19:02 +0000 (18:19 +0000)]
[SimplifyDemandedBits] Use APInt::intersects to instead of ANDing and comparing to 0 separately. NFC
llvm-svn: 372158
Jinsong Ji [Tue, 17 Sep 2019 18:10:09 +0000 (18:10 +0000)]
[docs][Bugpoint]Add notes about multiple crashes
Summary:
When reducing case for a CodeGenCrash, bugpoint may generate a new
reduced
testcase that exposes/causes another crash or break something due to
limitation.
Bugpoint does not distiguish different crashes currently,
so when this happens, bugpoint will go on reducing for the new crash,
or just abort, we can't get the case reduced for the origial crash.
An advice is added into usage doc to connect to recommend checking error
message with scripts and `-compile-command`.
Reviewers: modocache, bogner, sebpop, reames, vsk, MatzeB
Reviewed By: vsk
Subscribers: mehdi_amini, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D66832
llvm-svn: 372157
Craig Topper [Tue, 17 Sep 2019 18:02:56 +0000 (18:02 +0000)]
[X86] Simplify b2b KSHIFTL+KSHIFTR using demanded elts.
llvm-svn: 372155
Craig Topper [Tue, 17 Sep 2019 18:02:52 +0000 (18:02 +0000)]
[X86] Call SimplifyDemandedVectorElts on KSHIFTL/KSHIFTR nodes during DAG combine.
llvm-svn: 372154
Craig Topper [Tue, 17 Sep 2019 18:02:46 +0000 (18:02 +0000)]
[X86] Simplify some code in LowerBUILD_VECTORvXi1. NFCI
The case were Immediate is 0 and HasConstElts is true should never
happen since that would mean the constant elts were all zero. But
we check for all zero build vector earlier. So just use HasConstElts
and blindly take Immediate without checking if its 0.
Move the code that bitcasts and extract the immediate into the
the HasConstElts case since the other code just creates an undef
with the right type. No casting needed.
llvm-svn: 372153
Erik Pilkington [Tue, 17 Sep 2019 18:02:45 +0000 (18:02 +0000)]
Use 'BOOL' instead of BOOL in diagnostic messages
Type names should be enclosed in single quotes.
llvm-svn: 372152
Stanislav Mekhanoshin [Tue, 17 Sep 2019 17:56:13 +0000 (17:56 +0000)]
[AMDGPU] Added MI bit IsDOT
NFC, needed for future commit.
Differential Revision: https://reviews.llvm.org/D67669
llvm-svn: 372151
GN Sync Bot [Tue, 17 Sep 2019 17:51:27 +0000 (17:51 +0000)]
gn build: Merge r372149
llvm-svn: 372150
Greg Clayton [Tue, 17 Sep 2019 17:46:13 +0000 (17:46 +0000)]
GSYM: Add the llvm::gsym::Header header class with tests
This patch adds the llvm::gsym::Header class which appears at the start of a stand alone GSYM file, or in the first bytes of the GSYM data in a GSYM section within a file. Added encode and decode methods with full error handling and full tests.
Differential Revision: https://reviews.llvm.org/D67666
llvm-svn: 372149
Alexey Bataev [Tue, 17 Sep 2019 17:44:27 +0000 (17:44 +0000)]
[OPENMP] Rework the test, NFC.
llvm-svn: 372148
Alexey Bataev [Tue, 17 Sep 2019 17:36:49 +0000 (17:36 +0000)]
[OPENMP5.0]Introduce attribute for declare variant directive.
Added attribute for declare variant directive. It will allow to handle
declare variant directive at the codegen and will allow to add extra
checks.
llvm-svn: 372147
Simon Pilgrim [Tue, 17 Sep 2019 17:32:15 +0000 (17:32 +0000)]
[TableGen] CodeGenMapTable - Don't dereference a dyn_cast result. NFCI.
The static analyzer is warning about potential null dereferences of dyn_cast<> results - in these cases we can safely use cast<> directly as we know that these cases should all be the correct type, which is why its working atm and anyway cast<> will assert if they aren't.
llvm-svn: 372146
Simon Pilgrim [Tue, 17 Sep 2019 17:26:14 +0000 (17:26 +0000)]
[ARM][AsmParser] Don't dereference a dyn_cast result. NFCI.
The static analyzer is warning about potential null dereferences of dyn_cast<> results - in these cases we can safely use cast<> directly as we know that these cases should all be the correct type, which is why its working atm and anyway cast<> will assert if they aren't.
llvm-svn: 372145
Simon Pilgrim [Tue, 17 Sep 2019 17:24:55 +0000 (17:24 +0000)]
Fix MSVC lambda capture warnings. NFCI.
llvm-svn: 372144
David Bolvansky [Tue, 17 Sep 2019 17:17:30 +0000 (17:17 +0000)]
Remove asan test for strncat(x, y, 0)
llvm-svn: 372143
David Bolvansky [Tue, 17 Sep 2019 17:12:24 +0000 (17:12 +0000)]
Reland "[SLC] Preserve attrs for strncpy(x, "", y) -> memset(align 1 x, '\0', y)"
llvm-svn: 372142
David Bolvansky [Tue, 17 Sep 2019 17:07:31 +0000 (17:07 +0000)]
[ASAN] Adjust asan tests due to new optimizations
llvm-svn: 372141
Nemanja Ivanovic [Tue, 17 Sep 2019 16:45:20 +0000 (16:45 +0000)]
[PowerPC] Exploit single instruction load-and-splat for word and doubleword
We currently produce a load, followed by (possibly a move for integers and) a
splat as separate instructions. VSX has always had a splatting load for
doublewords, but as of Power9, we have it for words as well. This patch just
exploits these instructions.
Differential revision: https://reviews.llvm.org/D63624
llvm-svn: 372139
Alina Sbirlea [Tue, 17 Sep 2019 16:33:35 +0000 (16:33 +0000)]
[MemorySSA] Fix phi insertion when inserting a def.
Summary:
When inserting a Def, the current algorithm is walking edges backward
and inserting new Phis where needed. There may be additional Phis needed
in the IDF of the newly inserted Def and Phis.
Adding Phis in the IDF of the Def was added ina previous patch, but we
may also need other Phis in the IDF of the newly added Phis.
Reviewers: george.burgess.iv
Subscribers: Prazek, sanjoy.google, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D67637
llvm-svn: 372138
Alina Sbirlea [Tue, 17 Sep 2019 16:31:37 +0000 (16:31 +0000)]
[MemorySSA] Update MSSA for non-conventional AA.
Summary:
Regularly when moving an instruction that may not read or write memory,
the instruction is not modelled in MSSA, so not action is necessary.
For a non-conventional AA pipeline, MSSA needs to explicitly check when
creating accesses, so as to not model instructions that may not read and
write memory.
Reviewers: george.burgess.iv
Subscribers: Prazek, sanjoy.google, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D67562
llvm-svn: 372137
Petr Hosek [Tue, 17 Sep 2019 16:27:36 +0000 (16:27 +0000)]
Move DK_Misexpect for compatability with getNextAvailablePluginDiagnosticKind
First identified after D66324 landed.
Patch By: paulkirth
Differential Revision: https://reviews.llvm.org/D67648
llvm-svn: 372136
Greg Clayton [Tue, 17 Sep 2019 16:15:49 +0000 (16:15 +0000)]
GSYM: add encoding and decoding to FunctionInfo
This patch adds encoding and decoding of the FunctionInfo objects along with full error handling and tests. Full details of the FunctionInfo encoding format appear in the FunctionInfo.h header file.
Differential Revision: https://reviews.llvm.org/D67506
llvm-svn: 372135
David Green [Tue, 17 Sep 2019 15:32:28 +0000 (15:32 +0000)]
[ARM] Add a SelectTAddrModeImm7 for MVE narrow loads and stores
We were previously using the SelectT2AddrModeImm7 for both normal and narrowing
MVE loads/stores. As the narrowing instructions do not accept sp as a register,
it makes little sense to optimise a FrameIndex into the load, only to have to
recover that later on. This adds a SelectTAddrModeImm7 which does not do that
folding, and uses it for narrowing load/store patterns.
Differential Revision: https://reviews.llvm.org/D67489
llvm-svn: 372134
David Green [Tue, 17 Sep 2019 15:25:24 +0000 (15:25 +0000)]
[ARM] Fixup pipeline test. NFC
llvm-svn: 372133
David Green [Tue, 17 Sep 2019 15:23:09 +0000 (15:23 +0000)]
[ARM] Reserve an emergency spill slot for fp16 addressing modes that need it
Similar to D67327, but this time for the FP16 VLDR and VSTR instructions that
use the AddrMode5FP16 addressing mode. We need to reserve an emergency spill
slot for instructions that will be out of range to use sp directly.
AddrMode5FP16 is 8 bits with a scale of 2.
Differential Revision: https://reviews.llvm.org/D67483
llvm-svn: 372132
Alexey Bataev [Tue, 17 Sep 2019 15:11:52 +0000 (15:11 +0000)]
[OPENMP]Try to rework the test to pacify the buildbots, NFC.
llvm-svn: 372130
Yitzhak Mandelbaum [Tue, 17 Sep 2019 15:10:39 +0000 (15:10 +0000)]
[clang-format] Fix cleanup of `AnnotatedLine` to include children nodes.
Summary:
AnnotatedLine has a tree structure, and things like the body of a lambda will be
a child of the lambda expression. For example,
[&]() { foo(a); };
will have an AnnotatedLine with a child:
[&]() {};
'- foo(a);
Currently, when the `Cleaner` class analyzes the affected lines, it does not
cleanup the lines' children nodes, which results in missed cleanup
opportunities, like the lambda body in the example above.
This revision extends the algorithm to visit children, thereby fixing the above problem.
Patch by Eric Li.
Reviewers: krasimir
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D67659
llvm-svn: 372129
Benjamin Kramer [Tue, 17 Sep 2019 14:56:11 +0000 (14:56 +0000)]
[clangd] Fix another TSAN issue
llvm-svn: 372128
Benjamin Kramer [Tue, 17 Sep 2019 14:27:31 +0000 (14:27 +0000)]
[RISCV] Unbreak the build
llvm-svn: 372127
Sam Parker [Tue, 17 Sep 2019 14:21:36 +0000 (14:21 +0000)]
[ARM] Fix for buildbots
Remove setPreservesCFG from ARMConstantIslandPass and add a couple
of -verify-machine-dom-info instances into the existing codegen
tests.
llvm-svn: 372126
Krasimir Georgiev [Tue, 17 Sep 2019 14:15:23 +0000 (14:15 +0000)]
Revert "[SLC] Preserve attrs for strncpy(x, "", y) -> memset(align 1 x, '\0', y)"
Summary:
This reverts commit r372101.
Causes ASAN build bot failures:
http://lab.llvm.org:8011/builders/sanitizer-ppc64be-linux/builds/14176
From http://lab.llvm.org:8011/builders/sanitizer-ppc64be-linux/builds/14176/steps/64-bit%20check-asan/logs/stdio:
```
[ RUN ] AddressSanitizer.StrNCatOOBTest
/home/buildbots/ppc64be-sanitizer/sanitizer-ppc64be/build/llvm-project/compiler-rt/lib/asan/tests/asan_str_test.cpp:462: Failure
Death test: strncat(to - 1, from, 0)
Result: failed to die.
```
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D67658
llvm-svn: 372125
Erich Keane [Tue, 17 Sep 2019 14:11:51 +0000 (14:11 +0000)]
Add SpellingNotCalculated to Attribute Enums to suppress UBSan warnings
UBSan downstreams noticed that the assignment of SpellingNotCalculated
to the spellings caused warnings.
llvm-svn: 372124
Nico Weber [Tue, 17 Sep 2019 14:06:05 +0000 (14:06 +0000)]
gn build: (manually) merge r372076
llvm-svn: 372123
George Rimar [Tue, 17 Sep 2019 13:58:46 +0000 (13:58 +0000)]
[llvm-readobj/llvm-objdump] - Improve how tool locate the dynamic table and report warnings about that.
Before this patch we gave a priority to a dynamic table found
from the section header.
It was discussed (here: https://reviews.llvm.org/D67078?id=218356#inline-602082)
that probably preferring the table from PT_DYNAMIC is better,
because it is what runtime loader sees.
This patch makes the table from PT_DYNAMIC be chosen at first place if it is available.
But also it adds logic to fall back to SHT_DYNAMIC if the table from the dynamic segment is
broken or fall back to use no table if both are broken.
It adds a few more diagnostic warnings for the logic above.
Differential revision: https://reviews.llvm.org/D67547
llvm-svn: 372122
Sam Parker [Tue, 17 Sep 2019 13:46:26 +0000 (13:46 +0000)]
[ARM] Fix for buildbots
Add --verifymachineinstrs and update the remaining low overhead loop
tests.
llvm-svn: 372121
Luis Marques [Tue, 17 Sep 2019 13:34:17 +0000 (13:34 +0000)]
[RISCV][NFC] Use NoRegister instead of 0 literal
Summary: Trivial cleanup.
Reviewers: asb, lenary
Reviewed By: lenary
Subscribers: hiraditya, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, kito-cheng, shiva0217, jrtc27, MaskRay, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei, psnobl, benna, Jim, s.egerton, pzheng, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D67526
llvm-svn: 372120
Sven van Haastregt [Tue, 17 Sep 2019 13:32:56 +0000 (13:32 +0000)]
[OpenCL] Tidy up some comments; NFC
llvm-svn: 372119
Simon Pilgrim [Tue, 17 Sep 2019 13:27:02 +0000 (13:27 +0000)]
[X86] X86DAGToDAGISel::tryFoldLoad - assert root/parent pointers are non-null. NFCI.
Silences a static analyzer warning.
llvm-svn: 372118
Simon Pilgrim [Tue, 17 Sep 2019 13:25:56 +0000 (13:25 +0000)]
InterleavedAccessInfo - Don't dereference a dyn_cast result. NFCI.
llvm-svn: 372117
Simon Pilgrim [Tue, 17 Sep 2019 13:24:54 +0000 (13:24 +0000)]
[LoopVectorize] Don't dereference a dyn_cast result. NFCI.
The static analyzer is warning about potential null dereferences of dyn_cast<> results, we can use cast<> directly as we know that these cases should all be CastInst, which is why its working atm and anyway cast<> will assert if they aren't.
llvm-svn: 372116
David Green [Tue, 17 Sep 2019 12:58:51 +0000 (12:58 +0000)]
[ARM] Fix for MVE load/store stack accesses
MVE loads and stores have a 7 bit immediate range, scaled by the length of the type. This needs to be taught to the stack estimation code to ensure that an emergency spill slot is reserved in case we run out of registers when materialising stack indices.
Also the narrowing loads/stores can be created with frame indices even though they do not accept SP as a register. We need in those cases to make sure we have an emergency register to use as the frame base, as SP can never be used.
Differential Revision: https://reviews.llvm.org/D67327
llvm-svn: 372114
Benjamin Kramer [Tue, 17 Sep 2019 12:56:29 +0000 (12:56 +0000)]
Hide implementation details in namespaces.
llvm-svn: 372113
Krasimir Georgiev [Tue, 17 Sep 2019 12:23:03 +0000 (12:23 +0000)]
lldb: move a test input to the test Inputs dir
Summary:
This makes the input file for a new test added in r372060 directly
available in the Inputs subdirectory of the test dir.
Differential Revision: https://reviews.llvm.org/D67655
llvm-svn: 372112
Sam Parker [Tue, 17 Sep 2019 12:19:32 +0000 (12:19 +0000)]
[ARM][LowOverheadLoops] Add LR def safety check
Converting the *LoopStart pseudo instructions into DLS/WLS results in
LR being defined. These instructions were inserted on the assumption
that LR would already contain the loop counter because a mov is
introduced during ISel as the the consumers in the loop can only use
LR. That assumption proved wrong!
So perform a safety check, finding an appropriate place to insert the
DLS/WLS instructions or revert if this isn't possible.
Differential Revision: https://reviews.llvm.org/D67539
llvm-svn: 372111
George Rimar [Tue, 17 Sep 2019 12:05:39 +0000 (12:05 +0000)]
[llvm-readobj] - Test PPC64 relocations properly.
We had a precompiled binary committed and not all of the relocations
supported were tested. This patch fixes this.
Differential revision: https://reviews.llvm.org/D67617
llvm-svn: 372110
George Rimar [Tue, 17 Sep 2019 12:00:55 +0000 (12:00 +0000)]
[obj2yaml] - Support PPC64 relocation types.
We do not support them and fail with llvm_unreachable currently.
This is not the only target we do not support and also seems we are missing
the tests for those we have already. But I needed this one for another patch,
so posted it separatelly.
Relocation names are taken from llvm\include\llvm\BinaryFormat\ELFRelocs\PowerPC64.def
Differential revision: https://reviews.llvm.org/D67615
llvm-svn: 372109
George Rimar [Tue, 17 Sep 2019 11:51:26 +0000 (11:51 +0000)]
[yaml2obj/obj2yaml] - Allow setting an arbitrary values for e_machine.
Currently we only allow using a known named constants
for `Machine` field in YAML documents.
This patch allows using any numbers (valid or "unknown")
and adds test cases for current and new functionality.
With this it is possible to write a test cases for really unknown
EM_* targets.
Differential revision: https://reviews.llvm.org/D67652
llvm-svn: 372108
James Henderson [Tue, 17 Sep 2019 11:43:42 +0000 (11:43 +0000)]
[docs] Make --version text more correct
Follow-up to r371983. Referring to "this program" in the description of
the --version option in the documentation isn't exactly correct, because
the docs are not part of the program, and so "this program" doesn't
really refer to anything. This patch brings the other users of this
terminology into line with the new updates to llvm-size and
llvm-strings.
Reviewed by: alexshap, MaskRay
Differential Revision: https://reviews.llvm.org/D67618
llvm-svn: 372107
Luis Marques [Tue, 17 Sep 2019 11:15:35 +0000 (11:15 +0000)]
[RISCV] Switch to the Machine Scheduler
Most of the test changes are trivial instruction reorderings and differing
register allocations, without any obvious performance impact.
Differential Revision: https://reviews.llvm.org/D66973
llvm-svn: 372106
Johannes Doerfert [Tue, 17 Sep 2019 10:52:41 +0000 (10:52 +0000)]
[Attributor][Fix] Initialize the cache prior to using it
Summary:
There were segfaults as we modified and iterated the instruction maps in
the cache at the same time. This was happening because we created new
instructions while we populated the cache. This fix changes the order
in which we perform these actions. First, the caches for the whole
module are created, then we start to create abstract attributes.
I don't have a unit test but the LLVM test suite exposes this problem.
Reviewers: uenoku, sstefan1
Subscribers: hiraditya, bollu, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D67232
llvm-svn: 372105
Luis Marques [Tue, 17 Sep 2019 10:52:09 +0000 (10:52 +0000)]
Revert Patch from Phabricator
This reverts r372092 (git commit
e38695a0255c9e7b53639f349f8101bae1ce5c04)
llvm-svn: 372104
Simon Pilgrim [Tue, 17 Sep 2019 10:51:30 +0000 (10:51 +0000)]
[X86] Use APInt::getLowBitsSet helper. NFCI.
Also avoids a static analyzer warning about out of range shifts.
llvm-svn: 372103
Utkarsh Saxena [Tue, 17 Sep 2019 10:28:05 +0000 (10:28 +0000)]
Add SemanticRanges to Clangd server.
Summary:
Adds Semantic Ranges capabilities to Clangd server.
Also adds tests for running it via clangd server.
This differs from the LSP spec as the spec needs this to be evaluated on multiple 'pos' and the expected output is an list of list of semantic ranges.
This is majorly for multi cursor and assuming this is a rare thing, we don't want to optimize make things complicated just for this.
This should be done in the LSP level by queueing one request per 'pos' in the input.
LSP Spec:
https://github.com/microsoft/language-server-protocol/blob/dbaeumer/3.15/specification.md#textDocument_selectionRange
Reviewers: hokein
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D67650
llvm-svn: 372102
David Bolvansky [Tue, 17 Sep 2019 10:25:38 +0000 (10:25 +0000)]
[SLC] Preserve attrs for strncpy(x, "", y) -> memset(align 1 x, '\0', y)
llvm-svn: 372101
Graham Hunter [Tue, 17 Sep 2019 10:19:23 +0000 (10:19 +0000)]
[SVE][MVT] Fixed-length vector MVT ranges
* Reordered MVT simple types to group scalable vector types
together.
* New range functions in MachineValueType.h to only iterate over
the fixed-length int/fp vector types.
* Stopped backends which don't support scalable vector types from
iterating over scalable types.
Reviewers: sdesmalen, greened
Reviewed By: greened
Differential Revision: https://reviews.llvm.org/D66339
llvm-svn: 372099
David Bolvansky [Tue, 17 Sep 2019 10:12:48 +0000 (10:12 +0000)]
[InstCombine] Annotate strdup with deref_or_null
llvm-svn: 372098
David Bolvansky [Tue, 17 Sep 2019 10:03:45 +0000 (10:03 +0000)]
[NFCI] Fixed buildbots
llvm-svn: 372097
Fangrui Song [Tue, 17 Sep 2019 09:56:55 +0000 (09:56 +0000)]
[SimplifyLibCalls] Fix -Wunused-result after D53342/r372091
llvm-svn: 372096
David Bolvansky [Tue, 17 Sep 2019 09:53:14 +0000 (09:53 +0000)]
[NFC] Updated test
llvm-svn: 372095
Peter Smith [Tue, 17 Sep 2019 09:49:30 +0000 (09:49 +0000)]
[ELF][AARCH64] Refactor AArchErrataFix to match changes in ARMErrataFix NFC.
D67284 introduced ARMErrataFix.cpp which was derived from
AArch64ErrataFix.cpp. There were some useful refactoring changes made to
ARMErrataFix.cpp made as part of the review. This change applies the
relevant changes back to AArch64ErrataFix.cpp.
Main changes are:
- Old style variable names in comments like IS, are now new style isec.
- Simplify init() collection of mappingSymbols to always start with a code
mapping symbol.
- Simplify logic in mergeCmp().
- Fix one 80 column overflow caused by IS -> isec transformation.
Differential Revision: https://reviews.llvm.org/D67622
llvm-svn: 372094
David Bolvansky [Tue, 17 Sep 2019 09:45:52 +0000 (09:45 +0000)]
[NFC} Updated test
llvm-svn: 372093
Luis Marques [Tue, 17 Sep 2019 09:43:08 +0000 (09:43 +0000)]
Patch from Phabricator
llvm-svn: 372092
David Bolvansky [Tue, 17 Sep 2019 09:32:52 +0000 (09:32 +0000)]
[SimplifyLibCalls] Mark known arguments with nonnull
Reviewers: efriedma, jdoerfert
Reviewed By: jdoerfert
Subscribers: ychen, rsmith, joerg, aaron.ballman, lebedev.ri, uenoku, jdoerfert, hfinkel, javed.absar, spatel, dmgreen, llvm-commits
Differential Revision: https://reviews.llvm.org/D53342
llvm-svn: 372091
Michal Gorny [Tue, 17 Sep 2019 09:31:00 +0000 (09:31 +0000)]
[lldb] [Process/gdb-remote] Fix defaulting signal to invalid in action list
Fix processing of "C" packet with signal for the whole process to
default signal value for action list to LLDB_INVALID_SIGNAL_NUMBER
rather than 0.
Differential Revision: https://reviews.llvm.org/D67625
llvm-svn: 372090
George Rimar [Tue, 17 Sep 2019 09:26:49 +0000 (09:26 +0000)]
[llvm-readobj] - Fix BB after r372087.
Seems I forgot to update the number of bytes checked.
llvm-svn: 372089
Fangrui Song [Tue, 17 Sep 2019 09:25:52 +0000 (09:25 +0000)]
[llvm-ar] Parse 'h' and '-h': display help and exit
Support `llvm-ar h` and `llvm-ar -h` because they may be what users try
at first. Note, operation 'h' is undocumented in GNU ar.
Reviewed By: jhenderson
Differential Revision: https://reviews.llvm.org/D67560
llvm-svn: 372088
George Rimar [Tue, 17 Sep 2019 09:12:10 +0000 (09:12 +0000)]
[llvm-readobj] - Fix a TODO in elf-reloc-zero-name-or-value.test.
The "TODO" mentioned was:
"Add test for symbol with no name but with a value once yaml2obj allows
referencing symbols with no name from relocations."
We can do it now.
Differential revision: https://reviews.llvm.org/D67609
llvm-svn: 372087
Alexander Timofeev [Tue, 17 Sep 2019 09:08:58 +0000 (09:08 +0000)]
[AMDGPU]: PHI Elimination hooks added for custom COPY insertion. Fixed
Defferential Revision: https://reviews.llvm.org/D67101
Reviewers: rampitec, vpykhtin
llvm-svn: 372086
Sam Parker [Tue, 17 Sep 2019 09:08:05 +0000 (09:08 +0000)]
[ARM] LE support in ConstantIslands
The low-overhead branch extension provides a loop-end 'LE' instruction
that performs no decrement nor compare, it just jumps backwards. This
patch modifies the constant islands pass to try to insert LE
instructions in place of a Thumb2 conditional branch, instead of
shrinking it. This only happens if a cmp can be converted to a cbn/z
and used to exit the loop.
Differential Revision: https://reviews.llvm.org/D67404
llvm-svn: 372085
Florian Hahn [Tue, 17 Sep 2019 09:02:48 +0000 (09:02 +0000)]
[LoopUnroll] Use LoopSize+1 as threshold, to allow unrolling loops matching LoopSize.
We use `< UP.Threshold` later on, so we should use LoopSize + 1, to
allow unrolling if the result won't exceed to loop size.
Fixes PR43305.
Reviewers: efriedma, dmgreen, paquette
Reviewed By: dmgreen
Differential Revision: https://reviews.llvm.org/D67594
llvm-svn: 372084
George Rimar [Tue, 17 Sep 2019 08:53:18 +0000 (08:53 +0000)]
[llvm-readobj] - Refactor the code.
It's a straightforward refactoring that allows to simplify and encapsulate the code.
Differential revision: https://reviews.llvm.org/D67624
llvm-svn: 372083
Sjoerd Meijer [Tue, 17 Sep 2019 08:43:11 +0000 (08:43 +0000)]
[Clang] Pragma vectorize_width() implies vectorize(enable)
Specifying the vectorization width was supposed to implicitly enable
vectorization, except that it wasn't really doing this. It was only
setting the vectorize.width metadata, but not vectorize.enable.
This should fix PR27643.
Differential Revision: https://reviews.llvm.org/D66290
llvm-svn: 372082
George Rimar [Tue, 17 Sep 2019 08:38:53 +0000 (08:38 +0000)]
[llvm-objcopy] - Remove python invocations from 2 test cases.
It is possible to use yaml2obj to create sections with overlapping sh_offset now.
This patch does that.
Differential revision: https://reviews.llvm.org/D67610
llvm-svn: 372081
Kito Cheng [Tue, 17 Sep 2019 08:19:17 +0000 (08:19 +0000)]
[RISCV] Add option aliases: -mcmodel=medany and -mcmodel=medlow
RISC-V GCC use -mcmodel=medany and -mcmodel=medlow, but LLVM use
-mcmodel=small and -mcmodel=medium.
Add those two option aliases for provide same user interface between
GCC and LLVM.
Reviewed By: lenary
Differential Revision: https://reviews.llvm.org/D67066
llvm-svn: 372080
Florian Hahn [Tue, 17 Sep 2019 08:14:09 +0000 (08:14 +0000)]
[bugpoint] Add support for -Oz and properly enable -Os.
This patch adds -Oz as option and also properly enables support for -Os.
Currently, the existing check for -Os is dead, because the enclosing if
only checks of O1, O2 and O3.
There is still a difference between the -Oz pipeline compared to opt,
but I have not been able to track that down yet.
Reviewers: bogner, sebpop, efriedma
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D67593
llvm-svn: 372079
Kito Cheng [Tue, 17 Sep 2019 08:09:56 +0000 (08:09 +0000)]
[RISCV] Define __riscv_cmodel_medlow and __riscv_cmodel_medany correctly
RISC-V LLVM was only implement small/medlow code model, so it defined
__riscv_cmodel_medlow directly without check.
Now, we have medium/medany code model in RISC-V back-end, it should
define according the actually code model.
Reviewed By: lewis-revill
Differential Revision: https://reviews.llvm.org/D67065
llvm-svn: 372078
Raphael Isemann [Tue, 17 Sep 2019 07:58:01 +0000 (07:58 +0000)]
Reland "[lldb][NFC] Make ApplyObjcCastHack less scary"
First version had a typo.
llvm-svn: 372077
Sam Parker [Tue, 17 Sep 2019 07:43:04 +0000 (07:43 +0000)]
[ARM][MVE] Add invalidForTailPredication to TSFlags
Set this bit for the MVE reduction instructions to prevent a loop from
becoming tail predicated in their presence.
Differential Revision: https://reviews.llvm.org/D67444
llvm-svn: 372076