Rui Ueyama [Thu, 11 Oct 2018 21:57:52 +0000 (21:57 +0000)]
Remove `else` after `return`.
llvm-svn: 344302
Sanjay Patel [Thu, 11 Oct 2018 21:44:38 +0000 (21:44 +0000)]
[x86] regenerate CHECKs; NFC
llvm-svn: 344301
Eli Friedman [Thu, 11 Oct 2018 21:43:06 +0000 (21:43 +0000)]
[ELF] Fix link failure with Android compressed relocation support.
Android uses a compressed relocation format, which means the size of the
relocation section isn't predictable based on the number of relocations,
and can vary if the layout changes in any way. To deal with this, the
linker normally runs multiple passes until the layout converges.
The layout should converge if the size of the compressed
relocation section increases monotonically: if the size of an encoded
offset increases by one byte, the larget value which can be encoded is
multiplied by 128, so the representable offsets grow much faster than
the size of the section itself.
The problem here is that there is no code to ensure the size of the
section doesn't decrease. If the size of the relocation section
decreases, the relative offsets can increase due to alignment
restrictions, so that can force the size of the relocation section to
increase again. The end result is an infinite loop; the loop gets cut
off after 10 iterations with the message "thunk creation not
converged".
To avoid this issue, this patch adds padding to the end of the
relocation section if its size would decrease. The extra
padding is harmless because of the way the format is defined:
decoding stops after it reaches the number of relocations specified
in the section's header.
Differential Revision: https://reviews.llvm.org/D53003
llvm-svn: 344300
Eugene Zelenko [Thu, 11 Oct 2018 21:40:32 +0000 (21:40 +0000)]
[Documentation] Rephrase modernize-deprecated-ios-base-aliases description. Add clangd and clang-doc placeholders in Release Notes.
llvm-svn: 344299
Aaron Smith [Thu, 11 Oct 2018 21:37:18 +0000 (21:37 +0000)]
[llvm-pdbutil] Pretty print PDBSymbolUsingNamespace symbols
Reviewers: rnk, zturner, llvm-commits
Differential Revision: https://reviews.llvm.org/D52799
llvm-svn: 344298
Dan Albert [Thu, 11 Oct 2018 21:28:42 +0000 (21:28 +0000)]
Revert "[Driver] Default Android toolchains to libc++."
Breaks some of the Android bots because they aren't expecting to need
to explicitly set -stdlib.
This reverts commit
031072f5048654b01a40f639633de1ff4e2f3dc8.
llvm-svn: 344297
Dan Albert [Thu, 11 Oct 2018 20:58:43 +0000 (20:58 +0000)]
[Driver] Default Android toolchains to libc++.
Reviewers: srhines, pirama, EricWF
Reviewed By: srhines
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D53109
llvm-svn: 344296
Dan Albert [Thu, 11 Oct 2018 20:57:54 +0000 (20:57 +0000)]
[Driver] Default to `-z now` and `-z relro` on Android.
Summary:
RTLD_LAZY is not supported on Android (though failing to use `-z now`
will work since it is assumed by the loader).
RelRO is required.
Reviewers: srhines, pirama
Reviewed By: srhines
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D53117
llvm-svn: 344295
Rui Ueyama [Thu, 11 Oct 2018 20:43:01 +0000 (20:43 +0000)]
Rename SymbolTable::addRegular -> SymbolTable::addDefined.
We have addAbsolute, addBitcode, addCommon, etc. addRegular looked a
bit inconsistent.
llvm-svn: 344294
Dan Albert [Thu, 11 Oct 2018 20:39:32 +0000 (20:39 +0000)]
[Driver] Fix --hash-style choice for Android.
Summary:
Android supports GNU style hashes as of Marshmallow, so we should be
generating both styles for pre-M targets and GNU hashes for newer
targets.
Reviewers: srhines, pirama
Reviewed By: srhines
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D53118
llvm-svn: 344293
Rui Ueyama [Thu, 11 Oct 2018 20:38:34 +0000 (20:38 +0000)]
Remove unused default arguments.
llvm-svn: 344292
Craig Topper [Thu, 11 Oct 2018 20:36:06 +0000 (20:36 +0000)]
[X86] Type legalize v2f32 loads by using an f64 load and a scalar_to_vector.
On 64-bit targets the generic legalize will use an i64 load and a scalar_to_vector for us. But on 32-bit targets i64 isn't legal and the generic legalizer will end up emitting two 32-bit loads. We have DAG combines that try to put those two loads back together with pretty good success.
This patch instead uses f64 to avoid the splitting entirely. I've made it do the same for 64-bit mode for consistency and to keep the load in the fp domain.
There are a few things in here that look like regressions in 32-bit mode, but I believe they bring us closer to the 64-bit mode codegen. And that the 64-bit mode code could be better. I think those issues should be looked at separately.
Differential Revision: https://reviews.llvm.org/D52528
llvm-svn: 344291
Rui Ueyama [Thu, 11 Oct 2018 20:34:29 +0000 (20:34 +0000)]
Remove SymbolTable::addUndefined<ELF32LE>(StringRef).
Because we can implement the function as a non-member function.
llvm-svn: 344290
Kostya Serebryany [Thu, 11 Oct 2018 20:29:00 +0000 (20:29 +0000)]
[hwasan] relax a test
llvm-svn: 344289
Michal Gorny [Thu, 11 Oct 2018 20:26:55 +0000 (20:26 +0000)]
[python] [tests] Fix calling tests on Windows
Fix passing arguments to the Python test command to use 'env' builtin
CMake command, in order to fix compatibility with Windows.
Differential Revision: https://reviews.llvm.org/D53151
llvm-svn: 344288
Thomas Lively [Thu, 11 Oct 2018 20:21:22 +0000 (20:21 +0000)]
[WebAssembly][NFC] Remove repetition of Defs = [ARGUMENTS] (fixed)
llvm-svn: 344287
Warren Ristow [Thu, 11 Oct 2018 20:19:25 +0000 (20:19 +0000)]
Update test of r344198 to work with release builds.
llvm-svn: 344286
Aaron Enye Shi [Thu, 11 Oct 2018 19:52:32 +0000 (19:52 +0000)]
[HIP] Remove unused irif bitcode from test
This is part of previous commit [HIP] Replace irif library with hip.amdgcn.bc
Reviewers: yaxunl
Differential Revision: https://reviews.llvm.org/D52673
llvm-svn: 344285
Sumanth Gundapaneni [Thu, 11 Oct 2018 19:48:15 +0000 (19:48 +0000)]
[Hexagon] Restrict compound instructions with constant value.
Having a constant value operand in the compound instruction
is not always profitable. This patch improves coremark by ~4% on
Hexagon.
Differential Revision: https://reviews.llvm.org/D53152
llvm-svn: 344284
Sumanth Gundapaneni [Thu, 11 Oct 2018 19:45:07 +0000 (19:45 +0000)]
[Pipeliner] Use the Index from Topo instead of relying on NodeNum. (NFC)
In future, if we may add any new DAG mutations other than artificial dependencies,
the NodeNum may not be valid. Instead the index from topological schedule DAG can be
used as long as we update it with the DAG change.
Differential Revision: https://reviews.llvm.org/D53104
llvm-svn: 344283
Sumanth Gundapaneni [Thu, 11 Oct 2018 19:42:46 +0000 (19:42 +0000)]
[Pipeliner] Fix the Schedule DAG topoligical order.
This patch updates the DAG change to reflect in the topological ordering
of the nodes.
Differential Revision: https://reviews.llvm.org/D53105
llvm-svn: 344282
Aaron Enye Shi [Thu, 11 Oct 2018 19:41:54 +0000 (19:41 +0000)]
[HIP] Replace irif library with hip.amdgcn.bc
No longer use irif amdgcn library, instead we will use the previous fence functions from new hip.amdgcn.bc bitcode library. Update hip-device-libs.hip test as well.
llvm-svn: 344281
Thomas Lively [Thu, 11 Oct 2018 18:45:48 +0000 (18:45 +0000)]
[WebAssembly] Revert rL344180, which was breaking expensive checks
llvm-svn: 344280
Zachary Turner [Thu, 11 Oct 2018 18:45:44 +0000 (18:45 +0000)]
Revert SymbolFileNativePDB plugin.
This was originally causing some test failures on non-Windows
platforms, which required fixes in the compiler and linker. After
those fixes, however, other tests started failing. Reverting
temporarily until I can address everything.
llvm-svn: 344279
Artem Dergachev [Thu, 11 Oct 2018 18:43:08 +0000 (18:43 +0000)]
Revert r344197 "[MC][ELF] compute entity size for explicit sections"
Revert r344206 "[MC][ELF] Fix section_mergeable_size.ll"
They were causing failures on too many important buildbots for too long.
Please revert eagerly if your fix takes more than a couple of hours to land!
llvm-svn: 344278
Jason Molenda [Thu, 11 Oct 2018 18:41:34 +0000 (18:41 +0000)]
Fix this comment so it is consistent with all the others.
llvm-svn: 344277
Sean Fertile [Thu, 11 Oct 2018 18:40:35 +0000 (18:40 +0000)]
Revert "clang-cl: Add /showFilenames option (PR31957)"
This reverts https://reviews.llvm.org/rL344234 which is causing failures on
several bots due to invalid llvm.linker.options.
llvm-svn: 344276
Jason Molenda [Thu, 11 Oct 2018 18:37:53 +0000 (18:37 +0000)]
Don't mark an LC_BUILD_VERSION as giving us a
correct version if it has a major verison 0.
llvm-svn: 344275
Leonard Chan [Thu, 11 Oct 2018 18:31:51 +0000 (18:31 +0000)]
[PassManager/Sanitizer] Port of AddresSanitizer pass from legacy to new PassManager
This patch ports the legacy pass manager to the new one to take advantage of
the benefits of the new PM. This involved moving a lot of the declarations for
`AddressSantizer` to a header so that it can be publicly used via
PassRegistry.def which I believe contains all the passes managed by the new PM.
This patch essentially decouples the instrumentation from the legacy PM such
hat it can be used by both legacy and new PM infrastructure.
Differential Revision: https://reviews.llvm.org/D52739
llvm-svn: 344274
Alexey Bataev [Thu, 11 Oct 2018 18:30:31 +0000 (18:30 +0000)]
[OPENMP][NVPTX]Reduce memory use for globalized vars in
target/teams/distribute regions.
Previously introduced globalization scheme that uses memory coalescing
scheme may increase memory usage fr the variables that are devlared in
target/teams/distribute contexts. We don't need 32 copies of such
variables, just 1. Patch reduces memory use in this case.
llvm-svn: 344273
Nirav Dave [Thu, 11 Oct 2018 18:28:59 +0000 (18:28 +0000)]
[DAG] Fix Big Endian in Load-Store forwarding
Summary:
Correct offset calculation in load-store forwarding for big-endian
targets.
Reviewers: rnk, RKSimon, waltl
Subscribers: sdardis, nemanjai, hiraditya, jrtc27, atanasyan, jsji, llvm-commits
Differential Revision: https://reviews.llvm.org/D53147
llvm-svn: 344272
Krzysztof Parzyszek [Thu, 11 Oct 2018 18:26:02 +0000 (18:26 +0000)]
[Hexagon] Eliminate potential sources of non-determinism in HCE
Also, avoid comparing GUIDs when ordering global addresses, because
source file location can cause different GUID to be calculated. As a
result, a pair of symbols can compare "less" in one directory, but
"greater" in another.
llvm-svn: 344271
Craig Topper [Thu, 11 Oct 2018 18:06:07 +0000 (18:06 +0000)]
[X86] Restore X86ISelDAGToDAG::matchBEXTRFromAnd. Teach address matching to create a BEXTR pattern from a (shl (and X, mask >> C1) if C1 can be folded into addressing mode.
This is an alternative to D53080 since I think using a BEXTR for a shifted mask is definitely an improvement when the shl can be absorbed into addressing mode. The other cases I'm less sure about.
We already have several tricks for handling an and of a shift in address matching. This adds a new case for BEXTR.
I've moved the BEXTR matching code back to X86ISelDAGToDAG to allow it to match. I suppose alternatively we could directly emit a X86ISD::BEXTR node that isel could pattern match. But I'm trying to view BEXTR matching as an isel concern so DAG combine can see 'and' and 'shift' operations that are well understood. We did lose a couple cases from tbm_patterns.ll, but I think there are ways to recover that.
I've also put back the manual load folding code in matchBEXTRFromAnd that I removed a few months ago in r324939. This gives us some more freedom to make decisions based on the ability to fold a load. I haven't done anything with that yet.
Differential Revision: https://reviews.llvm.org/D53126
llvm-svn: 344270
Zachary Turner [Thu, 11 Oct 2018 18:01:55 +0000 (18:01 +0000)]
Better support for POSIX paths in PDBs.
While it doesn't make a *ton* of sense for POSIX paths to be
in PDBs, it's possible to occur in real scenarios involving
cross compilation.
The tools need to be able to handle this, because certain types
of debugging scenarios are possible without a running process
and so don't necessarily require you to be on a Windows system.
These include post-mortem debugging and binary forensics (e.g.
using a debugger to disassemble functions and examine symbols
without running the process).
There's changes in clang, LLD, and lldb in this patch. After
this the cross-platform disassembly and source-list tests pass
on Linux.
Furthermore, the behavior of LLD can now be summarized by a much
simpler rule than before: Unless you specify /pdbsourcepath and
/pdbaltpath, the PDB ends up with paths that are valid within
the context of the machine that the link is performed on.
Differential Revision: https://reviews.llvm.org/D53149
llvm-svn: 344269
Jordan Rupprecht [Thu, 11 Oct 2018 17:55:11 +0000 (17:55 +0000)]
[llvm-nm] Fix crash when running with --print-armap on corrupt archives.
error() in llvm-nm intentionally does not return so that the callee can move on to future files/slices. When printing the archive map, this is not currently handled (the caller assumes that error() returns), so processing continues despite there being an error.
Also, change one return to a break, so that symbols can be printed even if the archive map is corrupt.
llvm-svn: 344268
Eric Liu [Thu, 11 Oct 2018 17:50:04 +0000 (17:50 +0000)]
Revert "[Lex] TokenConcatenation now takes const Preprocessor"
This reverts commit r344262. This was an unintentional commit.
llvm-svn: 344267
Eric Liu [Thu, 11 Oct 2018 17:49:20 +0000 (17:49 +0000)]
clang-cl: set output of lit-test to a tmp file after r344234
Some test frameworks do not allow output file in CWD.
llvm-svn: 344266
Martin Storsjo [Thu, 11 Oct 2018 17:45:58 +0000 (17:45 +0000)]
[COFF] Add and use a Wordsize field in Config. NFCI.
Differential Revision: https://reviews.llvm.org/D53143
llvm-svn: 344265
Martin Storsjo [Thu, 11 Oct 2018 17:45:51 +0000 (17:45 +0000)]
[COFF] Set proper pointer size alignment for LocalImportChunk
When these are accessed with load/store instructions on ARM64,
it becomes strictly necessary to have them properly aligned.
This fixes PR39228.
Differential Revision: https://reviews.llvm.org/D53128
llvm-svn: 344264
Michal Gorny [Thu, 11 Oct 2018 17:45:35 +0000 (17:45 +0000)]
[python] [tests] Retab CMakeLists.txt for consistency (NFC)
llvm-svn: 344263
Eric Liu [Thu, 11 Oct 2018 17:35:29 +0000 (17:35 +0000)]
[Lex] TokenConcatenation now takes const Preprocessor
Differential Revision: https://reviews.llvm.org/D52502
llvm-svn: 344262
Marshall Clow [Thu, 11 Oct 2018 17:28:57 +0000 (17:28 +0000)]
Revert commit r344254; does not work with C++03
llvm-svn: 344261
Michal Gorny [Thu, 11 Oct 2018 17:25:05 +0000 (17:25 +0000)]
[tests] Remove Python tests from check-all due to breakage
Remove the Python tests from default target in order to fix two
kinds of breakage uncovered by enabling them: one failing test on Linux,
and problem with the test command on Windows. Both to be addressed
in followup revisions.
llvm-svn: 344260
Aaron Ballman [Thu, 11 Oct 2018 16:40:18 +0000 (16:40 +0000)]
Improve -Wshadow warnings with enumerators.
Addresses PR24718 by checking for enumerators that shadow other enumerators. Catches issues like:
enum E1{e1};
void f(void) {
enum E2{e1};
}
llvm-svn: 344259
Michal Gorny [Thu, 11 Oct 2018 16:32:54 +0000 (16:32 +0000)]
[tests] Include Python binding tests in CMake rules
Add a new CMake rule check-clang-python to run the Python bindings'
test suite, and include it in check-all.
Differential Revision: https://reviews.llvm.org/D52840
llvm-svn: 344258
Brad Smith [Thu, 11 Oct 2018 16:13:44 +0000 (16:13 +0000)]
Some improvements to the OpenBSD driver.
- OpenBSD has switched to compiler_rt / libcxx
- Fix sysroot and lib path handling
- Some cleaning up
llvm-svn: 344257
Fangrui Song [Thu, 11 Oct 2018 16:09:26 +0000 (16:09 +0000)]
[clang-move] Remove clang:: qualifier
Summary:
The use sites are enclosed by `namespace clang`, so clang:: is not
necessary. Many unqualified names have already been used, e.g. SourceManager SourceLocation LangOptions. This change makes the code terser and more consistent.
Reviewers: hokein
Reviewed By: hokein
Subscribers: ioeric, cfe-commits
Differential Revision: https://reviews.llvm.org/D53060
llvm-svn: 344256
Sanjay Patel [Thu, 11 Oct 2018 16:07:25 +0000 (16:07 +0000)]
[DAGCombiner] move comment closer to the corresponding code; NFC
llvm-svn: 344255
Marshall Clow [Thu, 11 Oct 2018 15:38:07 +0000 (15:38 +0000)]
Prefer to use the __is_XXX compiler intrinsics to the (old, busted) __has_XXX intrinsics when implementing type traits. Thanks to Richard Smith for the patch.
llvm-svn: 344254
Andrea Di Biagio [Thu, 11 Oct 2018 14:54:54 +0000 (14:54 +0000)]
[llvm-mca][BtVer2] Add tests for optimizable GPR register moves. NFC
llvm-svn: 344253
Eric Liu [Thu, 11 Oct 2018 14:52:33 +0000 (14:52 +0000)]
[lldb] Surpress copy-elison warning.
llvm-svn: 344252
Amara Emerson [Thu, 11 Oct 2018 14:51:11 +0000 (14:51 +0000)]
[InstCombine] Fix SimplifyLibCalls erasing an instruction while IC still had references to it.
InstCombine keeps a worklist and assumes that optimizations don't
eraseFromParent() the instruction, which SimplifyLibCalls violates. This change
adds a new callback to SimplifyLibCalls to let clients specify their own hander
for erasing actions.
Differential Revision: https://reviews.llvm.org/D52729
llvm-svn: 344251
Eric Liu [Thu, 11 Oct 2018 14:44:12 +0000 (14:44 +0000)]
[lldb] rename MinOS::minor to MinOS::minor_version etc. NFC
The constructor initializer minor(...)/major(...) can be confused with system
macros `#define minor(...)` on some platforms.
llvm-svn: 344250
Patrick Lyster [Thu, 11 Oct 2018 14:41:10 +0000 (14:41 +0000)]
Add support for 'dynamic_allocators' clause on 'requires' directive. Differential Revision: https://reviews.llvm.org/D53079
llvm-svn: 344249
Diogo N. Sampaio [Thu, 11 Oct 2018 14:10:32 +0000 (14:10 +0000)]
[AARCH64][FIX] Emit data symbol for constant pool data
The ARM64 elf emitter would omit printing data
symbol for zero filled constant data. This patch
overrides the emitFill method as to enforce that
the symbol is correctly printed.
Differential revision: https://reviews.llvm.org/D53132
llvm-svn: 344248
Sam McCall [Thu, 11 Oct 2018 13:42:53 +0000 (13:42 +0000)]
[Tooling] Move CompilationDatabasePlugin to the Registry header, where it's useful. NFC
llvm-svn: 344247
Andrew Savonichev [Thu, 11 Oct 2018 13:35:34 +0000 (13:35 +0000)]
[Sema][OpenCL] Improve diagnostics for not viable overloadable function candidates
Summary:
Allowed extension name (that ought to be disabled) printing in the note message.
This diagnostic was proposed here: https://reviews.llvm.org/D51341
Reviewers: Anastasia, yaxunl
Reviewed By: Anastasia
Subscribers: cfe-commits, asavonic, bader
Differential Revision: https://reviews.llvm.org/D52292
llvm-svn: 344246
Sam McCall [Thu, 11 Oct 2018 13:06:10 +0000 (13:06 +0000)]
[clangd] Remove no-op crash handler, we never set a crash context.
Summary:
I think this was just copied from somewhere with the belief that it actually
did some crash handling.
Of course the question arises: *should* we set one? I don't think so:
- clangd used to crash a lot, now it's pretty stable, because we found and
fixed the crashes. I think the long-term effects of crashing hard are good.
- the implementation can't do any magic, it just uses longjmp to return without
running any destructors by default. This is unsafe in general (e.g. mutexes
won't unlock) and will certainly end up leaking memory. Whatever UB caused
the crash may still stomp all over global state, etc.
I think there's an argument for isolating the background indexer (autoindex)
because it's not directly under the user's control, the crash surface is larger,
and it doesn't particularly need to interact with the rest of clangd.
But there, fork() and communicate through the FS is safer.
Reviewers: ioeric, ilya-biryukov
Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D53034
llvm-svn: 344245
Aaron Ballman [Thu, 11 Oct 2018 12:57:29 +0000 (12:57 +0000)]
Revert r344241 as it broke multiple bots.
http://lab.llvm.org:8011/builders/clang-x86_64-debian-fast/builds/10814
http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast/builds/20613
llvm-svn: 344244
Dylan McKay [Thu, 11 Oct 2018 12:49:50 +0000 (12:49 +0000)]
Generalize an IR verifier check to work with non-zero program address spaces
This commit modifies an existing IR verifier check that
assumes all functions will be located in the default address
space 0.
Rather than using the default paramater value getPointerTo(AddrSpace=0),
explicitly specify the program memory address space from the data layout.
This only affects targets that specify a nonzero address space
in their data layouts. The only in-tree target that does this
is AVR.
llvm-svn: 344243
Kristof Umann [Thu, 11 Oct 2018 11:58:53 +0000 (11:58 +0000)]
[analyzer][UninitializedObjectChecker] Reports Loc fields pointing to themselves
I've added a new functionality, the checker is now able to
detect and report fields pointing to themselves. I figured
this would fit well into the checker as there's no reason
for a pointer to point to itself instead of being nullptr.
Differential Revision: https://reviews.llvm.org/D51305
llvm-svn: 344242
Michal Gorny [Thu, 11 Oct 2018 11:58:14 +0000 (11:58 +0000)]
[tests] Include Python binding tests in CMake rules
Add a new CMake rule check-clang-python to run the Python bindings'
test suite, and include it in check-all.
Differential Revision: https://reviews.llvm.org/D52840
llvm-svn: 344241
Michal Gorny [Thu, 11 Oct 2018 11:58:07 +0000 (11:58 +0000)]
[python] [tests] Support overriding library path via environment
Support a new CLANG_LIBRARY_PATH environment variable for the Python
binding tests. This variable can be used to force the bindings to load
libclang.* from a specific directory.
I plan to use this when integrating Python binding tests with the CMake
build system. Currently, those tests load libclang.so from default
search paths, so I would have to rely on platform-specific mechanics
such as LD_LIBRARY_PATH. Instead of copying the whole logic necessary
to handle platform differences into yet another place, it's easier to
just add a dedicated variable for this purpose.
Differential Revision: https://reviews.llvm.org/D52806
llvm-svn: 344240
David Green [Thu, 11 Oct 2018 11:28:27 +0000 (11:28 +0000)]
[InstCombine] Demand bits of UMin
This is the umin alternative to the umax code from rL344237. We use
DeMorgans law on the umax case to bring us to the same thing on umin,
but using countLeadingOnes, not countLeadingZeros.
Differential Revision: https://reviews.llvm.org/D53036
llvm-svn: 344239
Alex Bradbury [Thu, 11 Oct 2018 11:11:58 +0000 (11:11 +0000)]
[RISCV] Re-generate test/CodeGen/RISCV/vararg.ll after r344142
The improved load-store forwarding committed in r344142 broke this test.
llvm-svn: 344238
David Green [Thu, 11 Oct 2018 11:04:09 +0000 (11:04 +0000)]
[InstCombine] Demand bits of UMax
Use the demanded bits of umax(A,C) to prove we can just use A so long as the
lowest non-zero bit of DemandMask is higher than the highest non-zero bit of C
Differential Revision: https://reviews.llvm.org/D53033
llvm-svn: 344237
David Green [Thu, 11 Oct 2018 10:46:12 +0000 (10:46 +0000)]
[InstCombine] Add tests for demand bits of min/max. NFC.
llvm-svn: 344236
Andrea Di Biagio [Thu, 11 Oct 2018 10:39:03 +0000 (10:39 +0000)]
[tblgen][CodeGenSchedule] Add a check for invalid RegisterFile definitions with zero physical registers.
llvm-svn: 344235
Hans Wennborg [Thu, 11 Oct 2018 10:04:15 +0000 (10:04 +0000)]
clang-cl: Add /showFilenames option (PR31957)
Add a /showFilenames option for users who want clang to echo the
currently compiled filename. MSVC does this echoing by default, and it's
useful for showing progress in build systems that doesn't otherwise
provide any progress report, such as MSBuild.
Differential Revision: https://reviews.llvm.org/D52773
llvm-svn: 344234
Florian Hahn [Thu, 11 Oct 2018 09:46:25 +0000 (09:46 +0000)]
[LV] Use SmallVector instead of DenseMap in calculateRegisterUsage (NFC).
We assign indices sequentially for seen instructions, so we can just use
a vector and push back the seen instructions. No need for using a
DenseMap.
Reviewers: hsaito, rengolin, nadav, dcaballe
Reviewed By: rengolin
Differential Revision: https://reviews.llvm.org/D53089
llvm-svn: 344233
Florian Hahn [Thu, 11 Oct 2018 09:27:24 +0000 (09:27 +0000)]
[LV] Ignore more debug info.
We can avoid doing some unnecessary work by skipping debug instructions
in a few loops. It also helps to ensure debug instructions do not
prevent vectorization, although I do not have any concrete test cases
for that.
Reviewers: rengolin, hsaito, dcaballe, aprantl, vsk
Reviewed By: rengolin, dcaballe
Differential Revision: https://reviews.llvm.org/D53091
llvm-svn: 344232
Roman Lebedev [Thu, 11 Oct 2018 09:09:52 +0000 (09:09 +0000)]
[compiler-rt][ubsan] Split Implicit Integer Truncation Sanitizer into unsigned and signed checks
Summary:
This is compiler-rt part.
clang part is D50901.
Reviewers: rsmith, vsk, filcab, Sanitizers
Reviewed by: filcab
Differential Revision: https://reviews.llvm.org/D50902
llvm-svn: 344231
Roman Lebedev [Thu, 11 Oct 2018 09:09:50 +0000 (09:09 +0000)]
[clang][ubsan] Split Implicit Integer Truncation Sanitizer into unsigned and signed checks
Summary:
As per IRC disscussion, it seems we really want to have more fine-grained `-fsanitize=implicit-integer-truncation`:
* A check when both of the types are unsigned.
* Another check for the other cases (either one of the types is signed, or both of the types is signed).
This is clang part.
Compiler-rt part is D50902.
Reviewers: rsmith, vsk, Sanitizers
Reviewed by: rsmith
Differential Revision: https://reviews.llvm.org/D50901
llvm-svn: 344230
Calixte Denizet [Thu, 11 Oct 2018 08:53:55 +0000 (08:53 +0000)]
[profile] Fix the gcov tests after the patch in D49853 landed.
Summary:
The goal of the patch in D49853 is to display counter on the line of function definition.
So some tests need to be fixed.
Reviewers: marco-c, davidxl
Reviewed By: marco-c
Subscribers: sylvestre.ledru, delcypher, llvm-commits, #sanitizers
Differential Revision: https://reviews.llvm.org/D49854
llvm-svn: 344229
Calixte Denizet [Thu, 11 Oct 2018 08:53:43 +0000 (08:53 +0000)]
[gcov] Display the hit counter for the line of a function definition
Summary:
Right now there is no hit counter on the line of function.
So the idea is add the line of the function to all the lines covered by the entry block.
Tests in compiler-rt/profile will be fixed in another patch: https://reviews.llvm.org/D49854
Reviewers: marco-c, davidxl
Reviewed By: marco-c
Subscribers: sylvestre.ledru, llvm-commits
Differential Revision: https://reviews.llvm.org/D49853
llvm-svn: 344228
Max Kazantsev [Thu, 11 Oct 2018 08:46:39 +0000 (08:46 +0000)]
[NFC] Factor out getOrCreateAddRecExpr method
llvm-svn: 344227
George Rimar [Thu, 11 Oct 2018 08:25:35 +0000 (08:25 +0000)]
[ELF] - Set sh_info and sh_link for .rela.plt sections.
This is https://bugs.llvm.org/show_bug.cgi?id=37538,
Currently, LLD may set both sh_link and sh_info for
.rela.plt section to zero when we have only .rela.iplt section part used.
ELF spec (https://docs.oracle.com/cd/E19683-01/816-1386/chapter6-94076/index.html)
says that for SHT_REL and SHT_RELA, sh_link references the associated symbol table
and sh_info the "section to which the relocation applies."
When we set the sh_link field, for the regular case we use the .dynsym index.
For .rela.iplt sections, it is unclear what is the associated symbol table,
because R_*_RELATIVE relocations do not use symbol names and we might have no
.dynsym section at all so this patch uses .symtab section index.
Differential revision: https://reviews.llvm.org/D52830
llvm-svn: 344226
Chandler Carruth [Thu, 11 Oct 2018 08:05:10 +0000 (08:05 +0000)]
Fix the qualification of `IntrusiveRefCntPtr` to use `llvm::`.
Without this, the code only compiled if the header was included after
something introduced the alias from `clang::` to `llvm::` for this type.
Any modules build would fail here.
llvm-svn: 344225
Roman Lebedev [Thu, 11 Oct 2018 07:51:13 +0000 (07:51 +0000)]
[X86][BMI1]: X86DAGToDAGISel: select BEXTR from x & ~(-1 << nbits) pattern
Summary:
As discussed in D48491, we can't really do this in the TableGen,
since we need to produce *two* instructions. This only implements
one single pattern. The other 3 patterns will be in follow-ups.
I'm not sure yet if we want to also fuse shift into here
(i.e `(x >> start) & ...`)
Reviewers: RKSimon, craig.topper, spatel
Reviewed By: craig.topper
Differential Revision: https://reviews.llvm.org/D52304
llvm-svn: 344224
Max Kazantsev [Thu, 11 Oct 2018 07:22:26 +0000 (07:22 +0000)]
[IndVars] Drop "exact" flag from lshr and udiv when substituting their args
There is a transform that may replace `lshr (x+1), 1` with `lshr x, 1` in case
if it can prove that the result will be the same. However the initial instruction
might have an `exact` flag set, and it now should be dropped unless we prove
that it may hold. Incorrectly set `exact` attribute may then produce poison.
Differential Revision: https://reviews.llvm.org/D53061
Reviewed By: sanjoy
llvm-svn: 344223
Martin Storsjo [Thu, 11 Oct 2018 06:53:38 +0000 (06:53 +0000)]
[llvm-nm] Include the text "@FILE" in the output of --help
libtool requires this text to be present, in order to conclude that
the tool supports response files. Also add an explicit test of using
response files with llvm-nm.
Differential Revision: https://reviews.llvm.org/D53064
llvm-svn: 344222
Marshall Clow [Thu, 11 Oct 2018 04:07:20 +0000 (04:07 +0000)]
Add a test that shows what happens with throwing destructors. NFC.
llvm-svn: 344220
Chris Bieneman [Thu, 11 Oct 2018 04:06:14 +0000 (04:06 +0000)]
[CMake] Temporarily remove the LLVM_ENABLE_IDE option
All uses of this option have been removed, and the intent is to change the purpose and default value of this option. To prevent it from having impacts on users, this patch temporarily removes the option and purges it from CMake caches. In a few days, once this has propagated to contributors I will re-introduce the option with the new default value.
llvm-svn: 344219
Chris Bieneman [Thu, 11 Oct 2018 04:02:53 +0000 (04:02 +0000)]
[CMake] Unconditionally add .h and .td files to target sources
Previously adding header and table gen files was conditional on using an IDE. Since these files have the `HEADER_FILE_ONLY` attribute applied they are ignored as sources by all non-IDE generators, so there is really no reason not to include them.
Additionally having the CMake always include these files allows the CMake-server to include them in the sources list for targets, which is valuable to anyone using CMake-server integrated tools.
llvm-svn: 344218
Chris Bieneman [Thu, 11 Oct 2018 04:00:51 +0000 (04:00 +0000)]
[Coverage] Apply filtered paths to summary
Summary:
The script to generate code coverage reports supports passing filter paths to llvm-cov when generating the HTML reports, but doesn't pass those paths to the summary generation as well. This results in a summary report that doesn't match the HTML report.
This patch addresses the problem by also passing the filter paths to the summary report generation.
Reviewers: vsk
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D53110
llvm-svn: 344217
Zachary Turner [Thu, 11 Oct 2018 03:42:17 +0000 (03:42 +0000)]
Use fully qualified namespace name.
llvm::detail is not the only namespace named detail. So if
someone has done a `using namespace llvm::support`, for example,
this will fail with an ambiguous namespace name. Granted
people generally shouldn't be using large namespaces like that,
but it's common at local function scopes.
llvm-svn: 344216
Eric Fiselier [Thu, 11 Oct 2018 03:01:14 +0000 (03:01 +0000)]
Use C++03 friendly version of alignof
llvm-svn: 344215
Eric Fiselier [Thu, 11 Oct 2018 01:48:00 +0000 (01:48 +0000)]
Fix use of removed _LIBCPP_HAS_NO_BUILTIN_ALIGNED_OPERATOR_NEW_DELETE
It was replaced with the better named
_LIBCPP_HAS_NO_BUILTIN_OVERLOADED_OPERATOR_NEW_DELETE.
llvm-svn: 344214
Kostya Serebryany [Thu, 11 Oct 2018 01:05:18 +0000 (01:05 +0000)]
[hwasan] extend the stack-uar test
llvm-svn: 344213
Fangrui Song [Thu, 11 Oct 2018 00:58:00 +0000 (00:58 +0000)]
Eliminate dependency to formatv(). NFC.
llvm-svn: 344212
Thomas Lively [Thu, 11 Oct 2018 00:49:24 +0000 (00:49 +0000)]
[WebAssembly][NFC] Use intrinsic dag nodes directly
Summary: Instead of custom lowering to WebAssemblyISD nodes first.
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D53119
llvm-svn: 344211
Kostya Serebryany [Thu, 11 Oct 2018 00:34:20 +0000 (00:34 +0000)]
[hwasan] more compact printing for 'Previosly allocated frames'
llvm-svn: 344210
Jason Molenda [Thu, 11 Oct 2018 00:28:35 +0000 (00:28 +0000)]
Upstreaming the BridgeOS device support and the
LC_BUILD_VERSION load command handling - this
commit is a combination of patches by Adrian
Prantl and myself. llvm::Triple::BridgeOS
isn't defined yet, so all references to that
are currently commented out.
Also update Xcode project file to build the
NativePDB etc plugins.
<rdar://problem/
43353615>
llvm-svn: 344209
Eric Fiselier [Thu, 11 Oct 2018 00:18:54 +0000 (00:18 +0000)]
Update libc++abi's detection of aligned allocation after r344207.
llvm-svn: 344208
Eric Fiselier [Thu, 11 Oct 2018 00:17:24 +0000 (00:17 +0000)]
Distinguish between library and language support for aligned allocation.
There are two cases:
1. The library has all it needs to provide align_val_t and the
new/delete overloads needed to support aligned allocation.
2. The compiler has actually turned the language feature on.
There are times where libc++ needs to distinguish between the two.
This patch adds the additional macro
_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION which denotes when case (1)
does not hold. _LIBCPP_HAS_NO_ALIGNED_ALLOCATION is defined whenever
_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION is defined, or when the
compiler has not enabled the language feature.
Additionally this patch cleans up a number of other macros related
to detection of aligned allocation machinery.
llvm-svn: 344207
Fangrui Song [Thu, 11 Oct 2018 00:08:59 +0000 (00:08 +0000)]
[MC][ELF] Fix section_mergeable_size.ll
Some targets use %progbits instead of @progbits.
Updating that check with a {{[@%]}}progbits regex to make those bots happy.
llvm-svn: 344206
Thomas Lively [Thu, 11 Oct 2018 00:07:55 +0000 (00:07 +0000)]
[WebAssembly] Saturating float-to-int builtins
Summary: Depends on D53007 and D53004.
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, kristina, cfe-commits
Differential Revision: https://reviews.llvm.org/D53009
llvm-svn: 344205
Thomas Lively [Thu, 11 Oct 2018 00:01:25 +0000 (00:01 +0000)]
[WebAssembly] Saturating float to int intrinsics
Summary:
Although the saturating float to int instructions are already
emitted from normal IR, the fpto{s,u}i instructions produce poison
values if the argument cannot fit in the result type. These intrinsics
are therefore necessary to get guaranteed defined saturating behavior.
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D53004
llvm-svn: 344204
Kostya Serebryany [Wed, 10 Oct 2018 23:57:38 +0000 (23:57 +0000)]
[hwasan] simplify a test
llvm-svn: 344203
Saleem Abdulrasool [Wed, 10 Oct 2018 23:53:12 +0000 (23:53 +0000)]
llvm-c: Add C APIs to access DebugLoc info
Add thin shims to C interface to provide access to DebugLoc info for
Instructions, GlobalVariables and Functions. Patch by Josh Berdine!
llvm-svn: 344202