Dean Michael Berris [Mon, 10 Sep 2018 02:57:05 +0000 (02:57 +0000)]
[XRay] Remove unused reference
The reference was only used in the assertion.
Follow-up on D51723.
llvm-svn: 341771
Matt Arsenault [Mon, 10 Sep 2018 02:54:25 +0000 (02:54 +0000)]
AMDGPU: Fix tests using old number for constant address space
llvm-svn: 341770
Dean Michael Berris [Mon, 10 Sep 2018 02:35:25 +0000 (02:35 +0000)]
[XRay] Add a BlockVerifier visitor for FDR Records
Summary:
This patch implements a `BlockVerifier` type which enforces the
invariants of the log structure of FDR mode logs on a per-block basis.
This ensures that the data we encounter from an FDR mode log
semantically correct (i.e. that records follow the documented "grammar"
for FDR mode log records).
This is another part of the refactoring of D50441.
This is a slightly modified version of rL341628, avoiding the
`std::tuple<...>` constructor that is not constexpr in C++11.
Reviewers: mboerger, eizan
Subscribers: mgorny, hiraditya, llvm-commits
Differential Revision: https://reviews.llvm.org/D51723
llvm-svn: 341769
Matt Arsenault [Mon, 10 Sep 2018 02:23:39 +0000 (02:23 +0000)]
AMDGPU: Use GOT PSV since it has an address space now
llvm-svn: 341768
Matt Arsenault [Mon, 10 Sep 2018 02:23:30 +0000 (02:23 +0000)]
AMDGPU: Don't abort on unknown addrspace argument
llvm-svn: 341767
Kelvin Li [Mon, 10 Sep 2018 02:07:09 +0000 (02:07 +0000)]
[OpenMP] Add support for nested 'declare target' directives
Add the capability to nest multiple declare target directives
- including header files within a declare target region.
Differential Revision: https://reviews.llvm.org/D51378
Patch by Patrick Lyster
llvm-svn: 341766
Craig Topper [Sun, 9 Sep 2018 20:36:36 +0000 (20:36 +0000)]
[X86] Custom type legalize (v2i32 (fp_to_uint v2f64))) without avx512vl by widening to v4i32 and v4f64 instead of v8i32 and v8f64. Make it aware of x86-experimental-vector-widening-legalization
We have isel patterns for v4i32/v4f64 that artificially widen to v8i32/v8f64 so just use that.
If x86-experimental-vector-widening-legalization is enabled, we don't need any custom legalization and can just return. I've modified the test RUN lines to cover this case.
llvm-svn: 341765
Fangrui Song [Sun, 9 Sep 2018 17:20:03 +0000 (17:20 +0000)]
[Sema] Make typo correction slightly more efficient
edit_distance returns UpperBound+1 if the distance will exceed UpperBound. We can subtract 1 from UpperBound and change >= to > in the if condition. The threshold does not change but edit_distance will have more opportunity to bail out earlier.
llvm-svn: 341763
Sanjay Patel [Sun, 9 Sep 2018 14:13:22 +0000 (14:13 +0000)]
[SelectionDAG] enhance vector demanded elements to look at a vector select condition operand
This is the DAG equivalent of D51433.
If we know we're not using all vector lanes, use that knowledge to potentially simplify a vselect condition.
The reduction/horizontal tests show that we are eliminating AVX1 operations on the upper half of 256-bit
vectors because we don't need those anyway.
I'm not sure what the pr34592 test is showing. That's run with -O0; is SimplifyDemandedVectorElts supposed
to be running there?
Differential Revision: https://reviews.llvm.org/D51696
llvm-svn: 341762
Hamza Sood [Sun, 9 Sep 2018 13:12:53 +0000 (13:12 +0000)]
Fix build bots after a mistake in r341760
llvm-svn: 341761
Hamza Sood [Sun, 9 Sep 2018 12:06:35 +0000 (12:06 +0000)]
[Tooling] Improve handling of CL-style options
This patch fixes the handling of clang-cl options in InterpolatingCompilationDatabase.
They were previously ignored completely, which led to a lot of bugs:
Additional options were being added with the wrong syntax. E.g. a file was
specified as C++ by adding -x c++, which causes an error in CL mode.
The args were parsed and then rendered, which means that the aliasing information
was lost. E.g. /W4 was rendered to -Wall, which in CL mode means -Weverything.
CL options were ignored when checking things like -std=, so a lot of logic was
being bypassed.
Differential Revision: https://reviews.llvm.org/D51321
llvm-svn: 341760
Pavel Labath [Sun, 9 Sep 2018 08:42:00 +0000 (08:42 +0000)]
Speculative fix for NetBSD bot for r341758
llvm-svn: 341759
Pavel Labath [Sun, 9 Sep 2018 06:01:12 +0000 (06:01 +0000)]
Re-commit "Modernize NativeProcessProtocol::GetSoftwareBreakpointTrapOpcode"
This recommits r341487, which was reverted due to failing tests with
clang. It turned out I had incorrectly expected that the literal arrays
passed to ArrayRef constructor will have static (permanent) storage.
This was only the case with gcc, while clang was constructing them on
stack, leading to dangling pointers when the function returns.
The fix is to explicitly assign static storage duration to the opcode
arrays.
llvm-svn: 341758
Akira Hatanaka [Sun, 9 Sep 2018 05:22:49 +0000 (05:22 +0000)]
Revert r341754.
The commit broke a couple of bots:
http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/12347
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/7310
llvm-svn: 341757
Fangrui Song [Sun, 9 Sep 2018 01:54:18 +0000 (01:54 +0000)]
[Parser] Remove an unnecessary `mutable`
llvm-svn: 341756
Nico Weber [Sat, 8 Sep 2018 20:58:39 +0000 (20:58 +0000)]
ms: Insert $$Z in mangling between directly consecutive parameter packs.
Fixes PR38783.
Differential Revision: https://reviews.llvm.org/D51784
llvm-svn: 341755
Akira Hatanaka [Sat, 8 Sep 2018 20:03:00 +0000 (20:03 +0000)]
Distinguish `__block` variables that are captured by escaping blocks
from those that aren't.
This patch changes the way __block variables that aren't captured by
escaping blocks are handled:
- Since non-escaping blocks on the stack never get copied to the heap
(see https://reviews.llvm.org/D49303), Sema shouldn't error out when
the type of a non-escaping __block variable doesn't have an accessible
copy constructor.
- IRGen doesn't have to use the specialized byref structure (see
https://clang.llvm.org/docs/Block-ABI-Apple.html#id8) for a
non-escaping __block variable anymore. Instead IRGen can emit the
variable as a normal variable and copy the reference to the block
literal. Byref copy/dispose helpers aren't needed either.
rdar://problem/
39352313
Differential Revision: https://reviews.llvm.org/D51564
llvm-svn: 341754
Craig Topper [Sat, 8 Sep 2018 19:32:58 +0000 (19:32 +0000)]
[X86] Create paddus/psubus from narrower vectors with i8/i16 element types.
Summary:
This patch allows vectors with a power of 2 number of elements and i8/i16 element type to select paddus/psubus instructions. ReplaceNodeResults has been updated to custom widen these operations up to 128 bits like we already do for PAVG.
Another step towards fixing PR38691
Reviewers: RKSimon, spatel
Reviewed By: RKSimon, spatel
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D51818
llvm-svn: 341753
Craig Topper [Sat, 8 Sep 2018 18:47:56 +0000 (18:47 +0000)]
[X86] Mark the ADCX and ADOX instruction as commutable.
llvm-svn: 341752
Craig Topper [Sat, 8 Sep 2018 18:47:54 +0000 (18:47 +0000)]
[X86] Add test cases for commuting ADCX/ADOX instruction to avoid copies.
This is a MIR test so we can test ADOX which we have no isel patterns for. I also plan to remove ADCX isel patterns in the near future so this will help maintain coverage.
llvm-svn: 341751
JF Bastien [Sat, 8 Sep 2018 16:50:56 +0000 (16:50 +0000)]
Revert "NFC: use bit_cast more in AArch64AddressingModes"
It seems some bots think std::array is either not trivially-copyable, or isn't
the right size.
llvm-svn: 341750
JF Bastien [Sat, 8 Sep 2018 16:43:49 +0000 (16:43 +0000)]
NFC: use bit_cast more in AArch64AddressingModes
llvm-svn: 341749
Jonas Hahnfeld [Sat, 8 Sep 2018 12:10:19 +0000 (12:10 +0000)]
[libomptarget-nvptx] Remove last mentions of __kmpc_print_*
Their implementation was removed during review, delete their
prototype declarations.
llvm-svn: 341748
Pavel Labath [Sat, 8 Sep 2018 10:33:14 +0000 (10:33 +0000)]
Revert "Modernize NativeProcessProtocol::GetSoftwareBreakpointTrapOpcode"
This reverts commit r341487. Jan Kratochvil reports it breaks LLDB when
compiling with clang.
llvm-svn: 341747
David Bolvansky [Sat, 8 Sep 2018 07:15:56 +0000 (07:15 +0000)]
Check if a terminal supports colors on Windows properly
Summary:
Previously we SetUseColor(true) wrongly when output was not a terminal so it broken some (not public) bots.
Thanks for issue report, @stella.stamenova
Reviewers: stella.stamenova, zturner
Reviewed By: stella.stamenova
Subscribers: abidh, lldb-commits, stella.stamenova
Differential Revision: https://reviews.llvm.org/D51772
llvm-svn: 341746
Craig Topper [Sat, 8 Sep 2018 06:31:43 +0000 (06:31 +0000)]
[X86] Add commuted isel pattern for the load form of ADCX instructions.
This prevents the legacy ADC instruction from being favored over ADCX when the load is in the operand 0.
llvm-svn: 341745
Craig Topper [Sat, 8 Sep 2018 06:31:41 +0000 (06:31 +0000)]
[X86] Add load folding test cases for the addcarryx intrinsic.
We are currently only able to fold a load in operand 1 to ADCX. A load in operand 0 will use the legacy ADC instruction.
Ultimately I want to remove isel support for ADCX, but first I'm going to fix the shortcomings I know of so I can write proper MIR tests to maintain coverage later.
llvm-svn: 341744
Craig Topper [Sat, 8 Sep 2018 05:08:18 +0000 (05:08 +0000)]
[X86] Add stack folding MIR test for ADCX/ADOX.
We currently have no way to isel ADOX and I plan to remove isel patterns for ADCX. This test will ensure we still have stack folding support for these instructions if we need them in the future.
llvm-svn: 341743
JF Bastien [Sat, 8 Sep 2018 04:07:41 +0000 (04:07 +0000)]
Fix typo in previous commit
llvm-svn: 341742
JF Bastien [Sat, 8 Sep 2018 03:55:25 +0000 (03:55 +0000)]
ADT: add <bit> header, implement C++20 bit_cast, use
Summary: I saw a few places that were punning through a union of FP and integer, and that made me sad. Luckily, C++20 adds bit_cast for exactly that purpose. Implement our own version in ADT (without constexpr, leaving us a bit sad), and use it in the few places my grep-fu found silly union punning.
This was originally committed as r341728 and reverted in r341730.
Reviewers: javed.absar, steven_wu, srhines
Subscribers: dexonsmith, llvm-commits
Differential Revision: https://reviews.llvm.org/D51693
llvm-svn: 341741
Fangrui Song [Sat, 8 Sep 2018 02:04:20 +0000 (02:04 +0000)]
Fix typos. NFC
llvm-svn: 341740
Kostya Serebryany [Sat, 8 Sep 2018 01:27:10 +0000 (01:27 +0000)]
[hwasan] rename two .cc tests into .c
llvm-svn: 341739
Evgeniy Stepanov [Sat, 8 Sep 2018 01:16:47 +0000 (01:16 +0000)]
[hwasan] Disable print-memory-usage-android test.
Requires a rooted device => fails on sanitizer-x86_64-linux-android bot.
llvm-svn: 341738
Adrian Prantl [Sat, 8 Sep 2018 00:21:55 +0000 (00:21 +0000)]
Remove addBlockByrefAddress(), it is dead code as far as clang is concerned.
This patch removes addBlockByrefAddress(), it is dead code as far as
clang is concerned: Every byref block capture is emitted with a
complex expression that is equivalent to what this function does.
rdar://problem/
31629055
Differential Revision: https://reviews.llvm.org/D51763
llvm-svn: 341737
Richard Smith [Sat, 8 Sep 2018 00:17:37 +0000 (00:17 +0000)]
Switch to using a reserved identifier for this internal compiler-rt function.
llvm-svn: 341736
Evgeniy Stepanov [Sat, 8 Sep 2018 00:11:12 +0000 (00:11 +0000)]
[hwasan] Export memory stats through /proc/$PID/maps.
Adds a line to /proc/$PID/maps with more or less up-to-date memory
stats of the process.
llvm-svn: 341735
Richard Smith [Fri, 7 Sep 2018 23:57:54 +0000 (23:57 +0000)]
Do not use optimized atomic libcalls for misaligned atomics.
Summary:
The optimized (__atomic_foo_<n>) libcalls assume that the atomic object
is properly aligned, so should never be called on an underaligned
object.
This addresses one of several problems identified in PR38846.
Reviewers: jyknight, t.p.northover
Subscribers: jfb, cfe-commits
Differential Revision: https://reviews.llvm.org/D51817
llvm-svn: 341734
Alina Sbirlea [Fri, 7 Sep 2018 23:51:41 +0000 (23:51 +0000)]
[MemorySSA] Relax verification of clobbering accesses.
llvm-svn: 341733
Davide Italiano [Fri, 7 Sep 2018 23:49:05 +0000 (23:49 +0000)]
[XCodeproj] Remove extra whitespace in SBAPI path.
llvm-svn: 341732
Zachary Turner [Fri, 7 Sep 2018 23:36:08 +0000 (23:36 +0000)]
Fix some of the PDB tests.
They were unintentionally calling DIA directly, which requires
Windows. We need to pass the -native flag, and this then required
fixing up one or two tests.
llvm-svn: 341731
JF Bastien [Fri, 7 Sep 2018 23:23:47 +0000 (23:23 +0000)]
Revert "ADT: add <bit> header, implement C++20 bit_cast, use"
Bots sad. Looks like missing std::is_trivially_copyable.
llvm-svn: 341730
Zachary Turner [Fri, 7 Sep 2018 23:21:33 +0000 (23:21 +0000)]
[PDB] Support pointer types in the native reader.
In order to start testing this, I've added a new mode to
llvm-pdbutil which is only really useful for writing tests.
It just dumps the value of raw fields in record format.
This isn't really ideal and it won't allow us to test some
important cases, but it's better than nothing for now.
llvm-svn: 341729
JF Bastien [Fri, 7 Sep 2018 23:08:26 +0000 (23:08 +0000)]
ADT: add <bit> header, implement C++20 bit_cast, use
Summary: I saw a few places that were punning through a union of FP and integer, and that made me sad. Luckily, C++20 adds bit_cast for exactly that purpose. Implement our own version in ADT (without constexpr, leaving us a bit sad), and use it in the few places my grep-fu found silly union punning.
Reviewers: javed.absar
Subscribers: dexonsmith, llvm-commits
Differential Revision: https://reviews.llvm.org/D51693
llvm-svn: 341728
Reid Kleckner [Fri, 7 Sep 2018 23:07:55 +0000 (23:07 +0000)]
[COFF] Implement llvm.global_ctors priorities for MSVC COFF targets
Summary:
MSVC and LLD sort sections ASCII-betically, so we need to use section
names that sort between .CRT$XCA (the start) and .CRT$XCU (the default
priority).
In the general case, use .CRT$XCT12345 as the section name, and let the
linker sort the zero-padded digits.
Users with low priorities typically want to initialize as early as
possible, so use .CRT$XCA00199 for prioties less than 200. This number
is arbitrary.
Implements PR38552.
Reviewers: majnemer, mstorsjo
Subscribers: hiraditya, llvm-commits
Differential Revision: https://reviews.llvm.org/D51820
llvm-svn: 341727
Abderrazek Zaafrani [Fri, 7 Sep 2018 22:41:57 +0000 (22:41 +0000)]
[SimplifyIndVar] Avoid generating truncate instructions with non-hoisted Laod operand.
Differential Revision: https://reviews.llvm.org/D49151
llvm-svn: 341726
Piotr Padlewski [Fri, 7 Sep 2018 22:29:48 +0000 (22:29 +0000)]
Set cost of invariant group intrinsics to 0
Summary:
Like with other similar intrinsics, presense of strip or
launder.invariant.group should not change the result of inlining cost.
This is because they are just markers and do not perform any computation.
Reviewers: amharc, rsmith, reames, kuhar
Subscribers: eraman, llvm-commits
Differential Revision: https://reviews.llvm.org/D51814
llvm-svn: 341725
George Karpenkov [Fri, 7 Sep 2018 22:13:35 +0000 (22:13 +0000)]
[analyzer] [NFC] Move methods for dumping the coverage in HTMLDiagnostics into the class
Differential Revision: https://reviews.llvm.org/D51513
llvm-svn: 341724
George Karpenkov [Fri, 7 Sep 2018 22:13:15 +0000 (22:13 +0000)]
[analyzer] [NFC] Use StringRef when returning a large string literal in HTMLDiagnostics
(NB: could be a clang-tidy / analyzer check)
Differential Revision: https://reviews.llvm.org/D51512
llvm-svn: 341723
George Karpenkov [Fri, 7 Sep 2018 22:07:57 +0000 (22:07 +0000)]
[analyzer] Remove the "postponed" hack, deal with derived symbols using an extra map
The "derived" symbols indicate children fields of a larger symbol.
As parents do not have pointers to their children, the garbage
collection algorithm the analyzer currently uses adds such symbols into
a "postponed" category, and then keeps running through the worklist
until the fixed point is reached.
The current patch rectifies that by instead using a helper map which
stores pointers from parents to children, so that no fixed point
calculation is necessary.
The current patch yields ~5% improvement in running time on sqlite.
Differential Revision: https://reviews.llvm.org/D51397
llvm-svn: 341722
Ben Hamilton [Fri, 7 Sep 2018 22:03:48 +0000 (22:03 +0000)]
[clang-tidy/ObjC] Update list of acronyms in PropertyDeclarationCheck
Summary: This adds a few common acronyms we found were missing from PropertyDeclarationCheck.
Reviewers: Wizard, hokein
Reviewed By: hokein
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D51819
llvm-svn: 341721
Ben Hamilton [Fri, 7 Sep 2018 22:02:38 +0000 (22:02 +0000)]
[clang-tidy/ObjC] Update list of acronyms in PropertyDeclarationCheck
Summary: This adds a few common acronyms we found were missing from PropertyDeclarationCheck.
Reviewers: Wizard, hokein
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D51819
llvm-svn: 341720
George Karpenkov [Fri, 7 Sep 2018 21:58:24 +0000 (21:58 +0000)]
Revert "Revert "Revert "Revert "[analyzer] Add coverage information to plist output, update tests""""
This reverts commit
2f5d71d9fa135be86bb299e7d773036e50bf1df6.
Hopefully fixing tests on Windows.
llvm-svn: 341719
Thomas Lively [Fri, 7 Sep 2018 21:54:46 +0000 (21:54 +0000)]
[WebAssembly] v8x16.shuffle
Summary:
Since the shuffle mask is not exposed as an operand in the native ISel
DAG, create a new WebAssembly ISD node exposing the mask. The mask is
lowered as sixteen immediate byte indices no matter what type the
original vector shuffle was operating on.
This CL depends on D51656
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D51659
llvm-svn: 341718
Reid Kleckner [Fri, 7 Sep 2018 21:47:25 +0000 (21:47 +0000)]
[benchmark] Fix flags used to compile benchmark library with clang-cl
`MSVC` is true for clang-cl, but `"${CMAKE_CXX_COMPILER_ID}" STREQUAL
"MSVC"` is false, so we would enable -Wall, which means -Weverything
with clang-cl, and we get tons of undesired warnings.
Use the simpler condition to fix things.
llvm-svn: 341717
Reid Kleckner [Fri, 7 Sep 2018 21:47:00 +0000 (21:47 +0000)]
[benchmark] Re-enable benchmarks on all platforms including Windows
The assertion in MCCodeView.cpp was resolved in r340878.
This reverts both r340905 and r340836, making benchmarks build by
default everywhere.
llvm-svn: 341716
Sanjay Patel [Fri, 7 Sep 2018 21:40:41 +0000 (21:40 +0000)]
[InstCombine][x86] add tests for possible blendv transform (PR38814); NFC
llvm-svn: 341715
Davide Italiano [Fri, 7 Sep 2018 21:36:21 +0000 (21:36 +0000)]
[Disassembler] Run ARM-specific tests only if the ARM backend is built.
<rdar://problem/
44239070>
llvm-svn: 341714
Philip Reames [Fri, 7 Sep 2018 21:36:11 +0000 (21:36 +0000)]
[AST] Generalize argument specific aliasing
AliasSetTracker has special case handling for memset, memcpy and memmove which pre-existed argmemonly on functions and readonly and writeonly on arguments. This patch generalizes it using the AA infrastructure to any call correctly annotated.
The motivation here is to cut down on confusion, not performance per se. For most instructions, there is a direct mapping to alias set. However, this is not guaranteed by the interface and was not in fact true for these three intrinsics *and only these three intrinsics*. I kept getting myself confused about this invariant, so I figured it would be good to clearly distinguish between a instructions and alias sets. Calls happened to be an easy target.
The nice side effect is that custom implementations of memset/memcpy/memmove - including wrappers discovered by IPO - can now be optimized the same as builts by LICM.
Note: The actual removal of the memset/memtransfer specific handling will happen in a follow on NFC patch. It was originally part of this one, but separate for ease of review and rebase.
Differential Revision: https://reviews.llvm.org/D50730
llvm-svn: 341713
Reid Kleckner [Fri, 7 Sep 2018 21:30:52 +0000 (21:30 +0000)]
[codeview] Add .cv_string directive for testing purposes
The main use case for this directive is to allow assembly writers to
write their own FPO data strings without going through the .cv_fpo*
directive family.
I'm experimenting with different RPN programs to fix PR38857, and I
figured I should go ahead and make this directive permanent.
llvm-svn: 341712
Craig Topper [Fri, 7 Sep 2018 21:28:46 +0000 (21:28 +0000)]
[X86] Add codegen tests for narrow PADDUS/PSUBUS patterns for PR38691.
llvm-svn: 341711
Richard Smith [Fri, 7 Sep 2018 21:24:27 +0000 (21:24 +0000)]
Make -Watomic-alignment say whether the atomic operation was oversized
or misaligned.
llvm-svn: 341710
Alina Sbirlea [Fri, 7 Sep 2018 21:14:48 +0000 (21:14 +0000)]
[MemorySSA] Update MemoryPhi wiring for block splitting to consider if identical edges were merged.
Summary:
Block splitting is done with either identical edges being merged, or not.
Only critical edges can be split without merging identical edges based on an option.
Teach the memoryssa updater to take this into account: for the same edge between two blocks only move one entry from the Phi in Old to the new Phi in New.
Reviewers: george.burgess.iv
Subscribers: sanjoy, jlebar, Prazek, llvm-commits
Differential Revision: https://reviews.llvm.org/D51563
llvm-svn: 341709
Sanjay Patel [Fri, 7 Sep 2018 21:03:34 +0000 (21:03 +0000)]
[InstCombine] narrow vector select with padded condition and extracted result (PR38691)
shuf (sel (shuf NarrowCond, undef, WideMask), X, Y), undef, NarrowMask) -->
sel NarrowCond, (shuf X, undef, NarrowMask), (shuf Y, undef, NarrowMask)
The motivating case from:
https://bugs.llvm.org/show_bug.cgi?id=38691
...is the last regression test. In that case, we're just left with the narrow select.
Note that if we do create new shuffles, they use the existing extraction identity mask,
so there's no danger that this transform creates arbitrary shuffles.
Differential Revision: https://reviews.llvm.org/D51496
llvm-svn: 341708
Thomas Lively [Fri, 7 Sep 2018 20:59:50 +0000 (20:59 +0000)]
[WebAssembly] Change SIMD lane indices to vec_i8imm_op
Summary: To explicitly opt out of LEB encoding for these immediates.
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D51766
llvm-svn: 341707
Nick Desaulniers [Fri, 7 Sep 2018 20:58:57 +0000 (20:58 +0000)]
[AArch64] Support reserving x1-7 registers.
Summary:
Reserving registers x1-7 is used to support CONFIG_ARM64_LSE_ATOMICS in Linux kernel. This change adds support for reserving registers x1 through x7.
Reviewers: javed.absar, phosek, srhines, nickdesaulniers, efriedma
Reviewed By: nickdesaulniers, efriedma
Subscribers: niravd, jfb, manojgupta, nickdesaulniers, jyknight, efriedma, kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D48580
llvm-svn: 341706
Craig Topper [Fri, 7 Sep 2018 20:56:03 +0000 (20:56 +0000)]
[X86] Don't create ZERO_EXTEND_INREG/SIGN_EXTEND_INREG for v1iX vectors.
The generic type legalizer will scalarize vXi1 instructions getting rid of the vector entirely. Creating wider vector instructions is just going to prevent that.
llvm-svn: 341705
Craig Topper [Fri, 7 Sep 2018 20:56:01 +0000 (20:56 +0000)]
[X86] Don't create X86ISD::AVG nodes from v1iX vectors.
The type legalizer will try to scalarize this and fail.
It looks like there's some other v1iX oddities out there too since we still generated some vector instructions.
llvm-svn: 341704
Jonathan Peyton [Fri, 7 Sep 2018 20:33:35 +0000 (20:33 +0000)]
[OpenMP] Update copyright to 2018
Better late than never
llvm-svn: 341703
Fangrui Song [Fri, 7 Sep 2018 20:23:15 +0000 (20:23 +0000)]
[PGO] Fix some style issue of ControlHeightReduction
Reviewers: yamauchi
Reviewed By: yamauchi
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D51811
llvm-svn: 341702
Alexandre Ganea [Fri, 7 Sep 2018 20:07:36 +0000 (20:07 +0000)]
[CMake] Fix LLVM_ENABLE_LTO option on Windows
Differential Revision: https://reviews.llvm.org/D51804
llvm-svn: 341701
Richard Smith [Fri, 7 Sep 2018 19:25:39 +0000 (19:25 +0000)]
PR38870: Add warning for zero-width unicode characters appearing in
identifiers.
llvm-svn: 341700
Craig Topper [Fri, 7 Sep 2018 19:14:24 +0000 (19:14 +0000)]
[X86] Custom emit __builtin_rdtscp so we can emit an explicit store for the out parameter
This is the clang side of D51803. The llvm intrinsic now returns two results. So we need to emit an explicit store in IR for the out parameter. This is similar to addcarry/subborrow/rdrand/rdseed.
Differential Revision: https://reviews.llvm.org/D51805
llvm-svn: 341699
Craig Topper [Fri, 7 Sep 2018 19:14:15 +0000 (19:14 +0000)]
[X86] Modify the the rdtscp intrinsic to return values instead of taking a pointer argument
Similar to what was recently done for addcarry/subborrow and has been done for rdrand/rdseed for a while. It's better to use two results and an explicit store in IR when the store isn't part of the semantics of the instruction. This allows store->load forwarding to happen in the middle end. Or the store to be removed if its never loaded.
Differential Revision: https://reviews.llvm.org/D51803
llvm-svn: 341698
Alex Lorenz [Fri, 7 Sep 2018 18:59:45 +0000 (18:59 +0000)]
warn_stdlibcxx_not_found: suggest '-stdlib=libc++' instead of '-std'
Addresses first post-commit feedback for r335081 from Nico
llvm-svn: 341697
Jason Molenda [Fri, 7 Sep 2018 18:51:10 +0000 (18:51 +0000)]
Add the Disassembler unit test dir.
llvm-svn: 341696
Reid Kleckner [Fri, 7 Sep 2018 18:48:27 +0000 (18:48 +0000)]
[codeview] Improve readobj FPO dumper and pdbutil register names
The improved dumping helps me investigate PR38857.
llvm-svn: 341695
Jonathan Peyton [Fri, 7 Sep 2018 18:46:40 +0000 (18:46 +0000)]
[OpenMP] Change hint parameter type for critical to uint32_t
Add atomic hint flags to the enum.
The hint parameter type was changed to uint32_t in __kmpc_critical_with_hint()
Patch by Olga Malysheva
Differential Revision: https://reviews.llvm.org/D51235
llvm-svn: 341694
Jonathan Peyton [Fri, 7 Sep 2018 18:45:13 +0000 (18:45 +0000)]
[OpenMP] Synchronization hint constants added to headers
ident flags reserved for atomic hints.
This patch adds omp_sync_hint_t to omp.h and omp_sync_hint_kind to omp_lib.h.
For better maintainability the list of macros for ident flags was replaced with
a enum. The new KMP_IDENT_ATOMIC_HINT_MASK was added to the enum to
support possible future atomic hints.
Also fix omp_lib.h.var to be under 72 chars again after 5.0 OpenMP Memory commit
Patch by Olga Malysheva
Differential Revision: https://reviews.llvm.org/D51233
llvm-svn: 341693
Hiroshi Yamauchi [Fri, 7 Sep 2018 18:44:53 +0000 (18:44 +0000)]
[PGO][CHR] Build/warning fix
llvm-svn: 341692
Ana Pazos [Fri, 7 Sep 2018 18:43:43 +0000 (18:43 +0000)]
[RISCV] Fix crash in decoding instruction with unknown floating point rounding mode
Summary:
Instead of crashing in printFRMArg, decode and warn about invalid instruction.
This bug was uncovered by a LLVM MC Disassembler Protocol Buffer Fuzzer
for the RISC-V assembly language.
Reviewers: asb
Reviewed By: asb
Subscribers: rbar, johnrusso, simoncook, sabuasal, niosHD, kito-cheng, shiva0217, zzheng, edward-jones, mgrang, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei, asb
Differential Revision: https://reviews.llvm.org/D51705
llvm-svn: 341691
Jim Ingham [Fri, 7 Sep 2018 18:43:04 +0000 (18:43 +0000)]
NFC: Move Searcher::Depth into lldb-enumerations as SearchDepth.
In a subsequent commit, I will need to expose the search depth
to the SB API's, so I'm moving this define into lldb-enumerations
where it will get added to the lldb module.
llvm-svn: 341690
Alexandre Ganea [Fri, 7 Sep 2018 18:32:59 +0000 (18:32 +0000)]
[Error] Reintroduce type validation in createFileError()
This prevents from using ErrorSuccess as an argument to createFileError().
Differential Revision: https://reviews.llvm.org/D51490
llvm-svn: 341689
Fangrui Song [Fri, 7 Sep 2018 18:29:20 +0000 (18:29 +0000)]
[llvm-dwp] Clean up tests X86/*.test
llvm-svn: 341688
Jonathan Peyton [Fri, 7 Sep 2018 18:25:49 +0000 (18:25 +0000)]
[OpenMP] Initial implementation of OMP 5.0 Memory Management routines
Implemented omp_alloc, omp_free, omp_{set,get}_default_allocator entries,
and OMP_ALLOCATOR environment variable.
Added support for HBW memory on Linux if libmemkind.so library is accessible
(dynamic library only, no support for static libraries).
Only used stable API (hbwmalloc) of the memkind library
though we may consider using experimental API in future.
The ICV def-allocator-var is implemented per implicit task similar to
place-partition-var. In the absence of a requested allocator, the uses the
default allocator.
Predefined allocators (the only ones currently available) are made similar
for C and Fortran, - pointers (long integers) with values 1 to 8.
Patch by Andrey Churbanov
Differential Revision: https://reviews.llvm.org/D51232
llvm-svn: 341687
Ana Pazos [Fri, 7 Sep 2018 18:23:19 +0000 (18:23 +0000)]
[RISCV] Fix AddressSanitizer heap-buffer-overflow in disassembling
Summary:
RISCVDisassembler should check number of bytes available before reading them.
Crash noticed when enabling -DLLVM_USE_SANITIZER=Address.
This bug was uncovered by a LLVM MC Disassembler Protocol Buffer Fuzzer for the RISC-V assembly language.
Reviewers: asb
Reviewed By: asb
Subscribers: rbar, johnrusso, simoncook, sabuasal, niosHD, kito-cheng, shiva0217, zzheng, edward-jones, mgrang, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei, asb
Differential Revision: https://reviews.llvm.org/D51708
llvm-svn: 341686
Davide Italiano [Fri, 7 Sep 2018 18:22:27 +0000 (18:22 +0000)]
[Scalar] Commit the correct patch, forgot `git add`.
<rdar://problem/
44229924>
llvm-svn: 341685
JF Bastien [Fri, 7 Sep 2018 18:17:59 +0000 (18:17 +0000)]
NFC: remove magic bool in LoopIdiomRecognize
Use an enum class instead.
llvm-svn: 341684
Jim Ingham [Fri, 7 Sep 2018 18:10:26 +0000 (18:10 +0000)]
Add input files to the "prepare swig bindings" step.
This build phase had no inputs, so you always had to manually
delete LLDBWrapPython.cpp to get it to rebuild. Add the correct
inputs.
llvm-svn: 341683
Davide Italiano [Fri, 7 Sep 2018 18:03:43 +0000 (18:03 +0000)]
[Scalar] Fix undefined behaviour when converting double to long.
This showed up in an Ubsan build of lldb (inside the CFAbsoluteTime
data formatter). As we only care about the bit pattern, we just
round to the nearest double, and truncate to a size that fits
in ulonglong_t.
<rdar://problem/
44229924>
llvm-svn: 341682
Hiroshi Yamauchi [Fri, 7 Sep 2018 18:00:58 +0000 (18:00 +0000)]
[PGO][CHR] Small cleanup.
Summary:
Do away with demangling. It wasn't really necessary.
Declared some local functions to be static.
Reviewers: davidxl
Reviewed By: davidxl
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D51740
llvm-svn: 341681
Kristina Brooks [Fri, 7 Sep 2018 17:33:43 +0000 (17:33 +0000)]
[Bindings][Go] Fixed go.test failure due to C-API argument type mismatch.
go.test was failing previously with error,
Command Output (stderr):
dibuilder.go:301: cannot use C.uint(t.Encoding) (type C.uint) as type
C.LLVMDWARFTypeEncoding in argument to func literal
This patch fixes the argument type.
Patch by Chirag (Chirag Patel)
Differential Revision: https://reviews.llvm.org/D51721
llvm-svn: 341680
Matthias Braun [Fri, 7 Sep 2018 17:08:44 +0000 (17:08 +0000)]
utils/abtest: Refactor and add bisection method
- Refactor/rewrite most of the code. Also make sure it passes
pycodestyle/pyflakes now
- Add a new mode that performs bisection on the search space. This
should be faster in the common case where there is only a small number
of files or functions actually leading to failure.
The previous sequential behavior can still be accessed via `--seq`.
llvm-svn: 341679
Craig Topper [Fri, 7 Sep 2018 16:58:57 +0000 (16:58 +0000)]
[X86] Modify addcarry/subborrow builtins to emit an 2 result and intrinsic and an store instruction.
This is the clang side of D51769. The llvm intrinsics now return two results instead of using an out parameter.
Differential Revision: https://reviews.llvm.org/D51771
llvm-svn: 341678
Craig Topper [Fri, 7 Sep 2018 16:58:39 +0000 (16:58 +0000)]
[X86] Change the addcarry and subborrow intrinsics to return 2 results and remove the pointer argument.
We should represent the store directly in IR instead. This gives the middle end a chance to remove it if it can see a load from the same address.
Differential Revision: https://reviews.llvm.org/D51769
llvm-svn: 341677
Craig Topper [Fri, 7 Sep 2018 16:58:36 +0000 (16:58 +0000)]
[X86] Use regular expressions to make test immune to register allocation changes.
llvm-svn: 341676
Craig Topper [Fri, 7 Sep 2018 16:27:55 +0000 (16:27 +0000)]
[X86] Teach X86DAGToDAGISel::foldLoadStoreIntoMemOperand to handle loads in operand 1 of commutable operations.
Previously we only handled loads in operand 0, but nothing guarantees the load will be operand 0 for commutable operations.
Differential Revision: https://reviews.llvm.org/D51768
llvm-svn: 341675
Craig Topper [Fri, 7 Sep 2018 16:19:50 +0000 (16:19 +0000)]
[InstCombine] Fold (min/max ~X, Y) -> ~(max/min X, ~Y) when Y is freely invertible
If the ~X wasn't able to simplify above the max/min, we might be able to simplify it by moving it below the max/min.
I had to modify the ~(min/max ~X, Y) transform to prevent getting stuck in a loop when we saw the new ~(max/min X, ~Y) before the ~Y had been folded away to remove the new not.
Differential Revision: https://reviews.llvm.org/D51398
llvm-svn: 341674
Anna Thomas [Fri, 7 Sep 2018 15:53:48 +0000 (15:53 +0000)]
[LV] Fix code gen for conditionally executed loads and stores
Fix a latent bug in loop vectorizer which generates incorrect code for
memory accesses that are executed conditionally. As pointed in review,
this bug definitely affects uniform loads and may affect conditional
stores that should have turned into scatters as well).
The code gen for conditionally executed uniform loads on architectures
that support masked gather instructions is broken.
Without this patch, we were unconditionally executing the *conditional*
load in the vectorized version.
This patch does the following:
1. Uniform conditional loads on architectures with gather support will
have correct code generated. In particular, the cost model
(setCostBasedWideningDecision) is fixed.
2. For the recipes which are handled after the widening decision is set,
we use the isScalarWithPredication(I, VF) form which is added in the
patch.
3. Fix the vectorization cost model for scalarization
(getMemInstScalarizationCost): implement and use isPredicatedInst to
identify *all* predicated instructions, not just scalar+predicated. So,
now the cost for scalarization will be increased for maskedloads/stores
and gather/scatter operations. In short, we should be choosing the
gather/scatter in place of scalarization on archs where it is
profitable.
4. We needed to weaken the assert in useEmulatedMaskMemRefHack.
Reviewers: Ayal, hsaito, mkuper
Differential Revision: https://reviews.llvm.org/D51313
llvm-svn: 341673
Tom Stellard [Fri, 7 Sep 2018 15:51:52 +0000 (15:51 +0000)]
MachO: Change getString16() back to inline function
This was accidentally changed in r341670.
llvm-svn: 341672
Marshall Clow [Fri, 7 Sep 2018 15:47:59 +0000 (15:47 +0000)]
[asan] Update a vector's storage annotation during destruction. Reviewed as https://reviews.llvm.org/D50101. Thanks to bobsayshilol (Ben) for the patch.
llvm-svn: 341671