Commit Graph

6124 Commits

Author SHA1 Message Date
Martin Storsjo 2f24e93481 [AArch64] Extend CallingConv::X86_64_Win64 to AArch64 as well
Rename the enum value from X86_64_Win64 to plain Win64.

The symbol exposed in the textual IR is changed from 'x86_64_win64cc'
to 'win64cc', but the numeric value is kept, keeping support for
old bitcode.

Differential Revision: https://reviews.llvm.org/D34474

llvm-svn: 308208
2017-07-17 20:05:19 +00:00
Craig Topper 4fa0cdbb74 [TableGen][MC] Fix a few places where we didn't hide the underlying type of LaneBitmask very well.
One place compared with 32, which I've replaced with LaneBitmask::BitWidth.

The other places are shifts of a constant 1 by a lane number. But if LaneBitmask were to be a larger type than 32-bits like 64-bits, the 1 would need to be 1ULL to do a 64-bit shift. To hide this I've added a LanebitMask::getLane that hides the shift and make sures the 1 is casted to correct type first.

llvm-svn: 308042
2017-07-14 18:30:09 +00:00
George Karpenkov dfa6c20f4b [lit] add a -vv option to echo all executed commands.
Debugging LIT scripts can be rather painful, as LIT directly does not
specify which line has failed.
Rather, FileCheck is expected to report the failing location, but it can
be often ambiguous if multiple commands are tested against the same
prefix.  This change adds a -vv option, which echoes all output.
Then detecting the error becomes straightforward: last printed line is
the failing one.

Of course, it could be desired to try to get failing line number
directly from bash, but it involves excessive hacks on older bash
versions (cf.
https://stackoverflow.com/questions/24398691/how-to-get-the-real-line-number-of-a-failing-bash-command)

Differential Revision: https://reviews.llvm.org/D35330

llvm-svn: 307938
2017-07-13 19:26:27 +00:00
Reid Kleckner f7d0d0fece [lit] Fix import StringIO errors in Python 3
Remove the cStringIO micro-optimization, as it isn't portable to Python
3.

llvm-svn: 307669
2017-07-11 16:12:53 +00:00
Reid Kleckner 14e1d55b0d [lit] Implement non-pipelined echo commands internally
Summary:
This speeds up the LLD test suite on Windows by 3x. Most of the time is
spent on lld/test/ELF/linkerscript/diagnostics.s, which repeatedly
constructs linker scripts with appending echo commands.

Reviewers: dlj, zturner, modocache

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D35093

llvm-svn: 307668
2017-07-11 16:05:50 +00:00
Daniel Sanders 57938df813 [globalisel][tablegen] Fix an multi-insn match bug where ComplexPattern is used on multiple insns.
In each rule, each use of ComplexPattern is assigned an element in the Renderers
array. The matcher then collects renderer functions in this array and they are
used to render instructions. This works well for a single instruction but a
bug in the allocation mechanism causes the elements to be assigned on a
per-instruction basis rather than a per-rule basis.

So in the case of:
  (set GPR32:$dst, (Op complex:$src1, complex:$src2))
tablegen currently assigns elements 0 and 1 to $src1 and $src2 respectively,
but for:
  (set GPR32:$dst, (Op complex:$src1, (Op complex:$src2)))
it currently assigned both $src1 and $src2 the same element (0). This results in
one complex operand being rendered twice and the other being forgotten.
This patch corrects the allocation such that $src1 and $src2 are still allocated
different elements in this case.

llvm-svn: 307646
2017-07-11 10:40:18 +00:00
Daniel Sanders fe12c0fa56 [globalisel][tablegen] Correct matching of intrinsic ID's.
TreePatternNode considers them to be plain integers but MachineInstr considers
them to be a distinct kind of operand.

The tweak to AArch64InstrInfo.td to produce a simple test case is a NFC for
everything except GlobalISelEmitter (confirmed by diffing the tablegenerated
files). GlobalISelEmitter is currently unable to infer the type of operands in
the Dst pattern from the operands in the Src pattern.

llvm-svn: 307634
2017-07-11 08:57:29 +00:00
Craig Topper 1491bdfd78 vim: add 'builtin', 'nobuiltin', 'nonnull', and 'speculatable' to the keyword list.
llvm-svn: 307419
2017-07-07 18:28:45 +00:00
Craig Topper 15e3de1c1e [TableGen] Cleanup capturing of instruction namespace for the fast isel emitter to remove a std::string and duplicated code. NFC
llvm-svn: 307363
2017-07-07 06:22:36 +00:00
Craig Topper 86a9aee88f [TableGen] Use StringRef instead of std::string for CodeGenInstruction namespace. NFC
llvm-svn: 307362
2017-07-07 06:22:35 +00:00
Craig Topper 2b347eb15a [TableGen] Fix some mismatches in the use of Namespace fields versus Target name in some of our emitters.
Some of our emitters were using the name of the Target to reference things that were created by others emitters using Namespace.

Apparently all targets have the same Target name as their instruction and register Namespace field?

Someone on IRC had a target that didn't do this and was getting build errors. This patch is a necessary, but maybe not sufficient fix.

llvm-svn: 307358
2017-07-07 05:19:25 +00:00
George Karpenkov 22a402fb66 [lit] Modify LIT to accept environment variable LIT_FILTER to select tests.
This is especially useful when lit is invoked indirectly by the build
system, and additional arguments can not be easily specified.

Differential Revision: https://reviews.llvm.org/D35091

llvm-svn: 307339
2017-07-07 00:22:11 +00:00
Reid Kleckner c58b7c5973 [lit] Factor out some shell input/output redirection logic, NFC
This is a very light refactoring aimed at improving readability. There
is definitely still room for improvement here.

llvm-svn: 307310
2017-07-06 20:40:27 +00:00
Adam Nemet 8d10129e59 [opt-viewer] Move under tools, install it
We weren't installing opt-viewer and co before, this fixes the omission.  I am
also moving the tools from utils/ to tools/.  I believe that this is more
appropriate since these tools have matured greatly in the past year through
contributions by multiple people (thanks!) so they are ready to become
external tools.

The tools are installed under <install>/share/opt-viewer/.

I am *not* adding the llvm- prefix.  If people feel strongly about adding
that, this is probably a good time since the new location will require some
mental adjustment anyway.

Fixes PR33521

Differential Revision: https://reviews.llvm.org/D35048

llvm-svn: 307285
2017-07-06 17:51:15 +00:00
Ilya Biryukov 13cde86e74 Fixes to Dockerfile scripts.
- Put buildfiles into /tmp/clang-build/build, instead of /tmp/clang-build.
  We checkout the sources to /tmp/clang-build/src and running
  cmake in /tmp/clang-build was done by mistake.
- Don't add an extra ';' at the start of enabled projects list.
  It worked either way, but looked strange.
- Minor comment update.

llvm-svn: 307258
2017-07-06 13:10:55 +00:00
Ilya Biryukov 7f02a75a74 Made a script to build docker images easier to use.
Summary:
- Removed double indirection via command-line args (i.e. two `--`
  options of `build_docker_image.sh`).
- Added a comment on how to build 2-stage clang install into the
  `build_docker_image.sh`, it used to be only in the `docs/Docker.rst`.

Reviewers: klimek, mehdi_amini

Reviewed By: klimek

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D35050

llvm-svn: 307256
2017-07-06 12:46:51 +00:00
Daniel Sanders 3ae33209cc [globalisel][tablegen] Rename and re-comment render functions to match the new MatchTables. NFC.
The conversion to MatchTable left the function names and comments referring to
C++ statements and expressions. Updated the names and comments to account for
the fact that they're no longer unconstrained statements/expressions.

llvm-svn: 307248
2017-07-06 10:37:17 +00:00
Daniel Sanders 9d662d2486 [globalisel][tablegen] Rename and re-comment to match the new MatchTables. NFC.
The conversion to MatchTable left the function names and comments referring to
C++ statements and expressions. Updated the names and comments to account for
the fact that they're no longer unconstrained statements/expressions.

llvm-svn: 307246
2017-07-06 10:06:12 +00:00
Daniel Sanders 85ffd3609f [globalisel][tablegen] Import rules containing intrinsic_wo_chain.
Summary:
As of this patch, 1018 out of 3938 rules are currently imported.

Depends on D32275

Reviewers: qcolombet, kristof.beyls, rovka, t.p.northover, ab, aditya_nandakumar

Reviewed By: qcolombet

Subscribers: dberris, igorb, llvm-commits

Differential Revision: https://reviews.llvm.org/D32278

llvm-svn: 307240
2017-07-06 08:12:20 +00:00
David L. Jones a63c3369aa [lit] Fix unit test discovery for Visual Studio builds.
Fix by Andrew Ng!

The Visual Studio build can contain output for multiple configuration types (
e.g. Debug, Release & RelWithDebInfo) within the same build output
directory. Therefore when discovering unit tests, the "build mode" sub directory
containing the appropriate configuration is included in the search. This sub
directory may not always be present, so a test for its existence is required.

Reviewers: zturner, modocache, dlj

Reviewed By: zturner, dlj

Subscribers: grimar, bd1976llvm, gbreynoo, edd, jhenderson, llvm-commits

Differential Revision: https://reviews.llvm.org/D34976

llvm-svn: 307235
2017-07-06 03:23:18 +00:00
Alexander Shaposhnikov d968f6f423 [tablegen] Avoid creating temporary strings
If a method / function returns a StringRef but the 
variable is of type const std::string& a temporary string is
created (StringRef has a cast operator to std::string),
which is a suboptimal behavior.

Differential revision: https://reviews.llvm.org/D34994

Test plan: make check-all

llvm-svn: 307195
2017-07-05 20:14:54 +00:00
Daniel Sanders a6cfce6863 [globalisel][tablegen] Finish fixing compile-time regressions by merging the matcher and emitter state machines.
Summary:
Also, made a few minor tweaks to shave off a little more cumulative memory consumption:
* All rules share a single NewMIs instead of constructing their own. Only one
  will end up using it.
* Use MIs.resize(1) instead of MIs.clear();MIs.push_back(I) and prevent
  GIM_RecordInsn from changing MIs[0].

Depends on D33764

Reviewers: rovka, vitalybuka, ab, t.p.northover, qcolombet, aditya_nandakumar

Reviewed By: ab

Subscribers: kristof.beyls, igorb, llvm-commits

Differential Revision: https://reviews.llvm.org/D33766

llvm-svn: 307159
2017-07-05 14:50:18 +00:00
Sjoerd Meijer 6d14fdf62d [AsmParser] Mnemonic Spell Corrector
This implements suggesting other mnemonics when an invalid one is specified,
for example:

$ echo "adXd r1,r2,#3" | llvm-mc -triple arm
<stdin>:1:1: error: invalid instruction, did you mean: add, qadd?
adXd r1,r2,#3
^

The implementation is target agnostic, but as a first step I have added it only
to the ARM backend; so the ARM backend is a good example if someone wants to
enable this too for another target.

Differential Revision: https://reviews.llvm.org/D33128

llvm-svn: 307148
2017-07-05 12:39:13 +00:00
Daniel Sanders 805e9cb3fc [globalisel][tablegen] Fix the misuse of STATISTICS() on release builds (like r307088) after r307133.
r307133 brought back a couple instances of the same mistake that was already
fixed by r307088. Fixed it again.

Using NumPatternEmitted as a unique id for the tables is not valid on release
builds since the counters don't count in that case.

llvm-svn: 307146
2017-07-05 12:14:18 +00:00
Daniel Sanders d93a35ae40 [globalisel][tablegen] Added instruction emission to the state-machine-based matcher.
Summary:
This further improves the compile-time regressions that will be caused by a
re-commit of r303259.

Also added included preliminary work in preparation for the multi-insn emitter
since I needed to change the relevant part of the API for this patch anyway.

Depends on D33758

Reviewers: rovka, vitalybuka, ab, t.p.northover, qcolombet, aditya_nandakumar

Reviewed By: ab

Subscribers: kristof.beyls, igorb, llvm-commits

Differential Revision: https://reviews.llvm.org/D33764

llvm-svn: 307133
2017-07-05 09:39:33 +00:00
Daniel Sanders c60abe37f2 [globalisel][tablegen] Fix release builds after r307079
Using NumPatternEmitted as a unique id for the tables is not valid on release
builds since the counters don't count in that case.

Also fix an unused variable warning.

llvm-svn: 307088
2017-07-04 15:31:50 +00:00
Ilya Biryukov 0273b81cfb NFC. Removed mention of missing script from build_docker_image.sh.
llvm-svn: 307080
2017-07-04 14:41:21 +00:00
Daniel Sanders 6ab0daade8 [globalisel][tablegen] Partially fix compile-time regressions by converting matcher to state-machine(s)
Summary:
Replace the matcher if-statements for each rule with a state-machine. This
significantly reduces compile time, memory allocations, and cumulative memory
allocation when compiling AArch64InstructionSelector.cpp.o after r303259 is
recommitted.

The following patches will expand on this further to fully fix the regressions.

Reviewers: rovka, ab, t.p.northover, qcolombet, aditya_nandakumar

Reviewed By: ab

Subscribers: vitalybuka, aemerson, javed.absar, igorb, llvm-commits, kristof.beyls

Differential Revision: https://reviews.llvm.org/D33758

llvm-svn: 307079
2017-07-04 14:35:06 +00:00
Hiroshi Inoue 2344b7611a fix trivial typos in comments; NFC
llvm-svn: 307075
2017-07-04 13:09:29 +00:00
Alexander Shaposhnikov 8b5f0c9111 [tablegen] Avoid creating a temporary vector in getInstructionCase
Record::getValues returns ArrayRef which has a cast operator
to std::vector, as a result a temporary vector is created
if the type of the variable is const std::vector& 
that is suboptimal in this case.

Differential revision: https://reviews.llvm.org/D34969

Test plan: make check-all

llvm-svn: 307063
2017-07-04 06:16:53 +00:00
Ilya Biryukov 4d7234cc7d Fixed argument parsing in docker scripts.
llvm-svn: 307031
2017-07-03 15:16:27 +00:00
David L. Jones 13f0fac12f [lit] Factor out listdir logic shared by different test formats.
Summary:
The lit test formats use largely the same logic for discovering tests. There are
some superficial differences in the logic, which seem reasonable enough to
handle in a single routine.

At a high level, the common goal is "look for files that end with one of these
suffixes, and skip anything starting with a dot." The balance of the logic
specific to ShTest and GoogleTest collapses quite a bit, so that
getTestsInDirectory is only a couple of lines around a call to the new function.

Reviewers: zturner, MatzeB, modocache

Subscribers: sanjoy, llvm-commits

Differential Revision: https://reviews.llvm.org/D34855

llvm-svn: 306895
2017-06-30 21:58:55 +00:00
Zachary Turner e9db96e6d9 Revert "[lit] Clean output directories before running tests."
This reverts commit da6318a92fba793e4f2447ec478b001392d57d43.

This is causing failures on some build bots due to what appears
to be some kind of lit ordering dependency.

llvm-svn: 306833
2017-06-30 16:05:03 +00:00
Zachary Turner 0955739b36 [lit] Clean output directories before running tests.
Presently lit leaks files in the tests' output directories.
Specifically, if a test creates output files, lit makes no
effort to remove them prior to the next test run.  This is
problematic because it leads to false positives whenever a
test passes because stale  files were present.  In general
it is a source of flakiness that should be removed.

This patch addresses this by building the list of all test
directories that are part of the current run set, and then
deleting those directories and recreating them anew.  This
gives each test a clean baseline to start from.

Differential Revision: https://reviews.llvm.org/D34732

llvm-svn: 306832
2017-06-30 16:01:30 +00:00
Ilya Biryukov af351dae02 Added Dockerfiles to build clang from sources.
Reviewers: klimek, chandlerc, mehdi_amini

Reviewed By: klimek, mehdi_amini

Subscribers: mehdi_amini, jlebar, llvm-commits

Differential Revision: https://reviews.llvm.org/D34197

llvm-svn: 306810
2017-06-30 09:46:45 +00:00
Sam Clegg 3d65030c45 Remove `inline` keyword from inline `classof` methods
The style guide states that the explicit `inline`
should not be used with inline methods.  classof is
very common inline method with a fair amount on
inconsistency:

$ git grep classof ./include | grep inline | wc -l
230
$ git grep classof ./include | grep -v inline | wc -l
257

I chose to target this method rather the larger change
since this method is easily cargo-culted (I did it at
least once).  I considered doing the larger change and
removing all occurrences but that would be a much larger
change.

Differential Revision: https://reviews.llvm.org/D33906

llvm-svn: 306731
2017-06-29 19:35:17 +00:00
Brian Gesiak 5e0a9465c4 [opt-viewer] Add progress indicators (PR33522)
Summary:
Provide feedback to users of opt-diff.py, opt-stats.py, and opt-viewer.py,
on how many YAML files have finished being processed, and how many HTML
files have been generated. This feedback is particularly helpful for
opt-viewer.py, which may take a long time to complete when given many
large YAML files as input.

The progress indicators use simple output such as the following:

```
Reading YAML files...
    9 of 1197
```

Test plan:
Run `utils/opt-viewer/opt-*.py` on a CentOS and macOS machine, using
Python 3.4 and Python 2.7 respectively, and ensure the output is
formatted well on both.

Reviewers: anemet, davidxl

Reviewed By: anemet

Subscribers: simon.f.whittaker, llvm-commits

Differential Revision: https://reviews.llvm.org/D34735

llvm-svn: 306726
2017-06-29 18:56:25 +00:00
Brian Gesiak d3a0571301 [opt-viewer] Python 3 support in opt-viewer.py
Summary:
Minor changes that allow opt-stats.py to support both Python 2 and 3.
In addition to the same dictionary iterator changes that were necessary
in https://reviews.llvm.org/D34564, this diff also:

* Explcitly converts strings to bytes when reading from and writing to stdin
  and stdout.
* No longer uses dictionaries as a sort key for optimization remarks.
  Dictionary sort order in Python 2 is pretty esoteric anyway, so it's
  not clear that the additional sorting had a benefit for end users
  (for details, https://stackoverflow.com/a/3484456/679254 is a good
  resource on Python 2 dictionary sort order).

Reviewers: anemet, davidxl

Reviewed By: anemet

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D34647

llvm-svn: 306720
2017-06-29 18:47:31 +00:00
Brian Gesiak 39b88f01a5 [opt-viewer] opt-viewer.py takes -o argument
Summary:
Change how the output directory is specified when invoking
opt-viewer.py, from `opt-viewer.py yaml_file_one yaml_file_two output_dir` to
`opt-viewer.py -o output_dir yaml_file_one yaml_file_two`.

This makes it easier to pipe the results of another command into
opt-viewer.py. For example:

```
find . -name "*.yaml" -print | xargs /path/to/opt-viewer.py -o html
```

Reviewers: anemet, davidxl

Reviewed By: anemet

Subscribers: fhahn, llvm-commits

Differential Revision: https://reviews.llvm.org/D34711

llvm-svn: 306694
2017-06-29 16:20:31 +00:00
David L. Jones 0a466fc209 [lit] Re-apply: Fix some convoluted logic around Unicode encoding, and de-duplicate across modules that used it.
(Take 2: this patch re-applies r306625, which was reverted in r306629. This
patch includes only trivial fixes.)

In Python2 and Python3, the various (non-)?Unicode string types are sort of
spaghetti. Python2 has unicode support tacked on via the 'unicode' type, which
is distinct from 'str' (which are bytes). Python3 takes the "unicode-everywhere"
approach, with 'str' representing a Unicode string.

Both have a 'bytes' type. In Python3, it is the only way to represent raw bytes.
However, in Python2, 'bytes' is an alias for 'str'. This leads to interesting
problems when an interface requires a precise type, but has to run under both
Python2 and Python3.

The previous logic appeared to be correct in all cases, but went through more
layers of indirection than necessary. This change does the necessary conversions
in one shot, with documentation about which paths might be taken in Python2 or
Python3.

Changes from r306625: some tests just print binary outputs, so in those cases,
fall back to str() in Python3. For googletests, add one missing call to
to_string().

(Tested by verifying the visible breakage with Python3. Verified that everything
works in py2 and py3.)

llvm-svn: 306643
2017-06-29 04:37:35 +00:00
David L. Jones eb615506b3 Revert "[lit] Fix some convoluted logic around Unicode encoding, and de-duplicate across modules that used it."
This reverts r306625.

llvm-svn: 306629
2017-06-29 02:22:49 +00:00
David L. Jones 30251947ed Fix spelling: uncode -> unicode.
Remember kids: there is no 'I' in str or bytes, but there is ALWAYS an
'I' in unicode.

llvm-svn: 306626
2017-06-29 01:03:56 +00:00
David L. Jones d59c9cd539 [lit] Fix some convoluted logic around Unicode encoding, and de-duplicate across modules that used it.
Summary:
In Python2 and Python3, the various (non-)?Unicode string types are sort of
spaghetti. Python2 has unicode support tacked on via the 'unicode' type, which
is distinct from 'str' (which are bytes). Python3 takes the "unicode-everywhere"
approach, with 'str' representing a Unicode string.

Both have a 'bytes' type. In Python3, it is the only way to represent raw bytes.
However, in Python2, 'bytes' is an alias for 'str'. This leads to interesting
problems when an interface requires a precise type, but has to run under both
Python2 and Python3.

The previous logic appeared to be correct in all cases, but went through more
layers of indirection than necessary. This change does the necessary conversions
in one shot, with documentation about which paths might be taken in Python2 or
Python3.

Reviewers: zturner, modocache

Subscribers: llvm-commits, sanjoy

Differential Revision: https://reviews.llvm.org/D34793

llvm-svn: 306625
2017-06-29 01:03:55 +00:00
David L. Jones 34a18722fd [lit] Remove dead code not referenced in the LLVM SVN repo.
Summary:
This change removes the intermediate 'FileBasedTest' format from lit. This
format is only ever used by the ShTest format, so the logic can be moved into
ShTest directly.

In order to better clarify what the TestFormat subclasses do, I fleshed out the
TestFormat base class with Python's notion of abstract methods, using
@abc.abstractmethod. This gives a convenient way to document the expected
interface, without the risk of instantiating an abstract class (that's what
ABCMeta does -- it raises an exception if you try to instantiate a class which
has abstract methods, but not if you instantiate a subclass that implements
them).

Reviewers: zturner, modocache

Subscribers: sanjoy, llvm-commits

Differential Revision: https://reviews.llvm.org/D34792

llvm-svn: 306623
2017-06-29 01:01:03 +00:00
David L. Jones b3c88339ad [lit] Remove dead code (not referenced anywhere), and clarify some function names.
Summary:
The dead code seems to be unreferenced, according to textual search across the
LLVM SVN repo.

The clarification part of this change alters the name of a module-level function
so that it is different from the name of the class-methods that call it.
Currently, there are no erroneous references, but stylistically (c.f. PEP-8),
internal "helper" functions should generally be named accordingly by prepending
an underscore. (I also chose to add '_impl', which isn't necessary, but helps me
at least to mentally disambiguate the interface and implementation functions.)

Reviewers: zturner, modocache

Subscribers: sanjoy, llvm-commits

Differential Revision: https://reviews.llvm.org/D34775

llvm-svn: 306600
2017-06-28 21:14:13 +00:00
Krzysztof Parzyszek 9b54878b38 Break up long lines, NFC
llvm-svn: 306585
2017-06-28 18:59:18 +00:00
Daniel Sanders 320390bab8 [globalisel][tablegen] Post-commit review nits for r306388. NFC
One early exit and a missing assert string.

llvm-svn: 306552
2017-06-28 15:16:03 +00:00
Daniel Sanders 3229198ecd [globalisel][tablegen] Multiple 80-col corrections.
llvm-svn: 306544
2017-06-28 13:50:04 +00:00
Joel Jones 8037233b54 [TableGen] Improve Debug Output for --debug-only=subtarget-emitter NFCI
Add headers for each section of output, with white space and "+++" to
improve readability.

Differential Revision: https://reviews.llvm.org/D34713

llvm-svn: 306492
2017-06-28 00:06:40 +00:00
Brian Gesiak 9473db43b6 [opt-viewer] Python 3 support in opt-diff.py
Summary:
The `file()` builtin is not available in Python 3; use `open()` instead.
https://docs.python.org/3.0/whatsnew/3.0.html#builtins

Reviewers: anemet, davidxl, davide

Reviewed By: davide

Subscribers: davide, fhahn, llvm-commits

Differential Revision: https://reviews.llvm.org/D34670

llvm-svn: 306423
2017-06-27 16:46:50 +00:00
David Green 22322fb638 Change sort function used in tblgen to be strict weak ordering
The windows debug is failing as the sort function is not strict
weak ordering, so switch a >= to a >.

llvm-svn: 306422
2017-06-27 16:28:44 +00:00
Daniel Sanders cc36dbf55d [globalisel][tablegen] Add support for EXTRACT_SUBREG.
Summary:
After this patch, we finally have test cases that require multiple
instruction emission.

Depends on D33590

Reviewers: ab, qcolombet, t.p.northover, rovka, kristof.beyls

Subscribers: javed.absar, llvm-commits, igorb

Differential Revision: https://reviews.llvm.org/D33596

llvm-svn: 306388
2017-06-27 10:11:39 +00:00
Ayman Musa 40e3f194ae [TableGen] Fix bug in TableGen CodeGenPatterns when adding variants of the patterns.
All patterns reside in a std::vector container, where new variants are added to it using the standard library's emplace_back function.
When calling this with a new element while there is no enough allocated space, a bigger space is allocated and all the old info in the small vector is copied to the newly allocated vector, then the old vector is freed.
The problem is that before doing this "copying", we take a reference of one of the elements in the old vector, and after the "copying" we add it to the new vector.
As the old vector is freed after the copying, the reference now does not point to a valid element.

Added new function to the API of CodeGenDAGPatterns class to return the same information as a copy in order to avoid this issue.

This was revealed in rL305465 that added many patterns and forced the reallocation of the vector which caused crashes in windows bots.

Differential Revision: https://reviews.llvm.org/D34341

llvm-svn: 306371
2017-06-27 07:10:20 +00:00
Brian Gesiak 9b4e8975a9 [opt-viewer] Python 3 support in opt-stats.py
Summary: Minor changes that allow opt-stats.py to support both Python 2 and 3.

Reviewers: anemet, davidxl

Reviewed By: anemet

Subscribers: llvm-commits, fhahn

Differential Revision: https://reviews.llvm.org/D34564

llvm-svn: 306306
2017-06-26 16:51:24 +00:00
Craig Topper 18e6b57cdf [TableGen] Remove some copies around PatternToMatch.
Summary:
This patch does a few things that should remove some copies around PatternsToMatch. These were noticed while reviewing code for D34341.

Change constructor to take Dstregs by value and move it into the class. Change one of the callers to add std::move to the argument so that it gets moved.

Make AddPatternToMatch take PatternToMatch by rvalue reference so we can move it into the PatternsToMatch vector. I believe we should have a implicit default move constructor available on PatternToMatch. I chose rvalue reference because both callers call it with temporaries already.

Reviewers: RKSimon, aymanmus, spatel

Reviewed By: aymanmus

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D34411

llvm-svn: 306251
2017-06-25 17:33:49 +00:00
Brian Gesiak 7e66b6b8ea [opt-viewer] Remove positional arg checks (NFC)
Summary:
opt-stats.py and opt-viewer.py's argument parsers both take a positional
argument 'yaml_files'. Positional arguments in Python's argparse module are
required by default, so the subsequent checks for `len(args.yaml_files) == 0`
are unnecessary -- if the length was zero, then the call to
`parser.parse_args()` would have thrown an error already.

Because there is no way for `len(args.yaml_files)` to be zero at these
points, removing the code is NFC.

Reviewers: anemet, davidxl

Reviewed By: anemet

Subscribers: llvm-commits, fhahn

Differential Revision: https://reviews.llvm.org/D34567

llvm-svn: 306147
2017-06-23 20:06:34 +00:00
Craig Topper 2a053a9f9d [TableGen] Take a parameter by reference instead of pointer so we don't have to add & on both callers. NFC
llvm-svn: 305807
2017-06-20 16:34:37 +00:00
Craig Topper e8a8e6a6b1 [TableGen] Use range based for loop. NFC
llvm-svn: 305806
2017-06-20 16:34:35 +00:00
Yuka Takahashi ba5d4af490 [GSoC] Flag value completion for clang
This is patch for GSoC project, bash-completion for clang.

To use this on bash, please run `source clang/utils/bash-autocomplete.sh`.
bash-autocomplete.sh is code for bash-completion.

In this patch, Options.td was mainly changed in order to add value class
in Options.inc.

llvm-svn: 305805
2017-06-20 16:31:31 +00:00
Daniel Sanders a6e2cebf98 [globalisel][tablegen] Add support for COPY_TO_REGCLASS.
Summary:
As part of this
* Emitted instructions now have named MachineInstr variables associated
  with them. This isn't particularly important yet but it's a small step
  towards multiple-insn emission.
* constrainSelectedInstRegOperands() is no longer hardcoded. It's now added
  as the ConstrainOperandsToDefinitionAction() action. COPY_TO_REGCLASS uses
  an alternate constraint mechanism ConstrainOperandToRegClassAction() which
  supports arbitrary constraints such as that defined by COPY_TO_REGCLASS.

Reviewers: ab, qcolombet, t.p.northover, rovka, kristof.beyls, aditya_nandakumar

Reviewed By: ab

Subscribers: javed.absar, igorb, llvm-commits

Differential Revision: https://reviews.llvm.org/D33590

llvm-svn: 305791
2017-06-20 12:36:34 +00:00
Pengxuan Zheng 4a99e37edc [test-release.sh] Enable Polly by default
Reviewers: grosser, hans, zinob, bollu

Reviewed By: grosser, hans

Subscribers: tstellar, llvm-commits

Differential Revision: https://reviews.llvm.org/D34306

llvm-svn: 305763
2017-06-20 01:04:25 +00:00
Peter Collingbourne 460eb5de98 Revert r305598, "utils: Add a git-r utility for mapping svn revisions to git revisions in the monorepo."
$ git revert `git r 305598`

We need to decide whether we want development tools to be written in
Go first.

llvm-svn: 305741
2017-06-19 20:43:09 +00:00
Simon Pilgrim 48bed53918 Use range for loops. NFCI.
llvm-svn: 305693
2017-06-19 13:24:12 +00:00
Peter Collingbourne f6ca97284c utils: Add a git-r utility for mapping svn revisions to git revisions in the monorepo.
llvm-svn: 305598
2017-06-16 22:15:18 +00:00
Krzysztof Parzyszek f723776fc0 [TableGen] Do not assume that the first variant is the original pattern
The variant generation for commutative/associative patterns would simply
delete the first output from the list assuming that it was identical to
the original pattern. This does not have to be the case, and a legitimate
variant could actually be removed that way. 

llvm-svn: 305556
2017-06-16 13:44:34 +00:00
Tom Stellard 2e17366a57 test-release.sh: Run the test-suite using phase3 clang
Summary: We were using the system compiler to run the test suite.

Reviewers: hansw

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D34246

llvm-svn: 305525
2017-06-15 23:05:21 +00:00
Sanjay Patel cae64a0497 [utils] remove ability to generate llc check lines from update_test_checks.py
The dream of a unified check-line auto-generator for all phases of compilation is dead.
The llc script has already diverged to be better at its goal, so having 2 scripts that
do almost the same thing just causes confusion. Now, this script will only work with 
opt to produce check lines for IR transforms.

llvm-svn: 305208
2017-06-12 17:44:30 +00:00
Brian Gesiak 701386d531 [opt-viewer] Include default values in help output
Summary:
Python's argparse module includes a `%(default)s` format specifier that
can be used to print the default value of an option in its help text.
Use this for opt-viewer utilities' `--jobs` arguments.

Reviewers: anemet

Reviewed By: anemet

Subscribers: llvm-commits, fhahn

Differential Revision: https://reviews.llvm.org/D34081

llvm-svn: 305155
2017-06-10 21:33:27 +00:00
Tom Stellard eb6fd41516 test-release.sh: Remove workaround for test-suite build
Summary: We aren't actually building the test suite, so this isn't needed.

Reviewers: rengolin, hansw

Reviewed By: rengolin

Subscribers: rengolin, llvm-commits

Differential Revision: https://reviews.llvm.org/D29840

llvm-svn: 305017
2017-06-08 21:31:59 +00:00
Filipe Cabecinhas cc07564a27 PR33331 - opt-viewer.py produces broken output for directories with spaces
Fix: Properly quote href attributes.

Patch by Simon Whittaker!

llvm-svn: 304919
2017-06-07 14:57:20 +00:00
Benjamin Kramer cf60ab313a [FileCheck] Don't scan past the closing CHECK-DAG for CHECK-NOT inside CHECK-DAG
If there's enough data in fron of it the skipped region would just
become arbitrarily large, and we scan for the CHECK-NOT everywhere.

llvm-svn: 304900
2017-06-07 12:06:45 +00:00
Chandler Carruth 41ed4034dd [x86] Revert the X86FoldTablesEmitter due to more miscompiles.
In testing, we've found yet another miscompile caused by the new tables.
And this one is even less clear how to fix (we could teach it to fold
a 16-bit load instead of the 32-bit load it wants, or block folding
entirely).

Also, the approach to excluding instructions seems increasingly to not
scale well.

I have left a more detailed analysis on the review log for the original
patch (https://reviews.llvm.org/D32684) along with suggested path
forward. I will land an additional test case that I wrote which covers
the code that was miscompiling (folding into the output of `pextrw`) in
a subsequent commit to keep this a pure revert.

For each commit reverted here, I've restricted the revert to the
non-test code touching the x86 fold table emission until the last commit
where I did revert the test updates. This means the *new* test cases
added for `insertps` and `xchg` remain untouched (and continue to pass).

Reverted commits:
r304540: [X86] Don't fold into memory operands into insertps in the ...
r304347: [TableGen] Adapt more places to getValueAsString now ...
r304163: [X86] Don't fold away the memory operand of an xchg.
r304123: Don't capture a temporary std::string in a StringRef.
r304122: Resubmit "[X86] Adding new LLVM TableGen backend that ..."

Original commit was in r304088, and after a string of fixes was reverted
previously in r304121 to fix build bots, and then re-landed in r304122.

llvm-svn: 304762
2017-06-06 02:15:31 +00:00
Peter Collingbourne f27f51de43 git-llvm: Update the project list for the llvm-project-20170507 monorepo.
llvm-svn: 304691
2017-06-04 22:18:57 +00:00
David Blaikie 719c94a559 Make the Twine pretty-printer work with GDB 7.11
Apparently ::NodeKind is sometimes part of the name in GDB.
Without this patch I get the following error message from GDB:
`Unhandled NodeKind llvm::Twine::NodeKind::EmptyKind`.

Patch by Alexander Richardson!

Differential Revision: https://reviews.llvm.org/D32795

llvm-svn: 304675
2017-06-04 03:27:12 +00:00
Alex Lorenz 9e39013941 [lit][macOS] Add a utility function to find the platform SDK version
on macOS

This function will be used to tie Clang's Integeration tests to a particular
SDK version. See https://reviews.llvm.org/D32178 for more context.

llvm-svn: 304541
2017-06-02 11:21:37 +00:00
Benjamin Kramer 19092d783c [X86] Don't fold into memory operands into insertps in the generated folding tables.
insertps behaves differently, the register form selects from an input
register based on the immediate operand while the memory form just loads
the given address. We have custom code to change the immediate in cases
where that's legal, so completely remove insertps from the generated
tables.

llvm-svn: 304540
2017-06-02 10:50:22 +00:00
Craig Topper c05a1032e9 [TableGen] Remove code for renaming anonymous register classes as it can never execute.
It tried to detect 9 letters (the length of anonymous) followed by a period. But anonymous classes start with "anonymous_" rather than "anonymous." these days.

llvm-svn: 304387
2017-06-01 06:56:13 +00:00
Craig Topper ebe46f6c6f [TableGen] Use StringRef to capture getValueAsString in a couple more places. NFC
llvm-svn: 304386
2017-06-01 06:56:11 +00:00
Craig Topper bcd3c37f4a [TableGen] Adapt more places to getValueAsString now returning a StringRef instead of a std::string.
llvm-svn: 304347
2017-05-31 21:12:46 +00:00
Craig Topper 2b8419a22d [TableGen] Make Record::getValueAsString and getValueAsListOfStrings return StringRefs instead of std::string
Internally both these methods just return the result of getValue on either a StringInit or a CodeInit object. In both cases this returns a StringRef pointing to a string allocated in the BumpPtrAllocator so its not going anywhere. So we can just pass that StringRef along.

This is a fairly naive patch that targets just the build failures caused by this change. There's additional work that can be done to avoid creating std::string at call sites that still think getValueAsString returns a std::string. I'll try to clean those up in future patches.

Differential Revision: https://reviews.llvm.org/D33710

llvm-svn: 304325
2017-05-31 19:01:11 +00:00
Craig Topper 481ff7087f [TableGen] Introduce DagInit::getArgs that returns an ArrayRef. Use it to fix 80 column violations in arg_begin/arg_end. Remove DagInit::args and use getArgs instead. NFC
llvm-svn: 304177
2017-05-29 21:49:34 +00:00
Benjamin Kramer fd1952761e [X86] Don't fold away the memory operand of an xchg.
xchg with a mem operand has different locking semantics. If we unfold it
into a xchg r,r we will loose the implicit lock. Likewise we never want
to fold a register xchg into a memory one as it would be a lot slower.

This triggers during LLVM selfhost.

llvm-svn: 304163
2017-05-29 16:25:20 +00:00
Zachary Turner eaacd07079 Don't capture a temporary std::string in a StringRef.
This fixes the breakages in llvm-tblgen.

llvm-svn: 304123
2017-05-29 02:20:12 +00:00
Zachary Turner df1832cf86 Resubmit "[X86] Adding new LLVM TableGen backend that generates the X86 backend memory folding tables."
This was reverted due to buildbot breakages and I was not familiar
with this code to investigate it.  But while trying to get a
useful backtrace for the author, it turns out the fix was very
obvious.  Resubmitting this patch as is, and will submit the
fix in a followup so that the fix is not hidden in the larger
CL.

llvm-svn: 304122
2017-05-29 02:19:37 +00:00
Zachary Turner 5b199be769 Revert "[X86] Adding new LLVM TableGen backend that generates the X86 backend memory folding tables."
This reverts commit 28cb1003507f287726f43c771024a1dc102c45fe as well
as all subsequent followups.  llvm-tblgen currently segfaults with
this change, and it seems it has been broken on the bots all
day with no fixes in preparation.  See, for example:

http://lab.llvm.org:8011/builders/clang-x86-windows-msvc2015/

llvm-svn: 304121
2017-05-29 01:48:53 +00:00
Craig Topper 251cdbef1d [TableGen][X86] Fix formatting I accidentally messed up in r304099. NFC
llvm-svn: 304115
2017-05-28 23:47:17 +00:00
Craig Topper cf09175de8 [TableGen][X86] Use CHAR_BIT with sizeof instead of hardcoded 8. NFC
llvm-svn: 304100
2017-05-28 18:24:43 +00:00
Craig Topper 8351075181 [TableGen][X86] Mark a couple global tables as const. NFC
llvm-svn: 304099
2017-05-28 18:24:41 +00:00
Craig Topper a38a80108b [TableGen][X86] Improve formatting of the fold table output by indenting the body of the table and adding blank lines between tables. NFC
llvm-svn: 304098
2017-05-28 18:24:39 +00:00
Craig Topper 2bf3152325 [TableGen][X86] Add an llvm_unreachable to a switch so we get an error if we need expansion in the future.
llvm-svn: 304097
2017-05-28 18:24:37 +00:00
Craig Topper 8eaf0edb41 [TableGen][X86] Remove unnecessary std::string creations. NFC
llvm-svn: 304096
2017-05-28 18:24:35 +00:00
Craig Topper f62d4e240d [TableGen][X86] Replace a global std::vector with a regular array. llvm::find works on arrays, just need to use std::end to check the result.
llvm-svn: 304095
2017-05-28 18:24:32 +00:00
Craig Topper 5a4ec21461 [TableGen][X86] getValueAsString returns a std::string not a StringRef. Capture it that way to avoid a StringRef to a temporary.
llvm-svn: 304093
2017-05-28 17:48:41 +00:00
Ayman Musa d9f1fe43a8 [X86] Adding new LLVM TableGen backend that generates the X86 backend memory folding tables.
X86 backend holds huge tables in order to map between the register and memory forms of each instruction.
This TableGen Backend automatically generated all these tables with the appropriate flags for each entry.

Differential Revision: https://reviews.llvm.org/D32684

llvm-svn: 304088
2017-05-28 12:55:36 +00:00
Dimitry Andric 76b6038cc6 Return a lit.Test.Result object from TestRunner's executeShTest()
Summary:
For various clang analyzer tests, which were unsupported, I got lit
exceptions, similar to the following:

    Exception during script execution:
    Traceback (most recent call last):
      File "utils/lit/lit/run.py", line 190, in execute_test
        result = test.config.test_format.execute(test, lit_config)
      File "tools/clang/test/Analysis/analyzer_test.py", line 11, in execute
        if result.code == lit.Test.FAIL:
    AttributeError: 'tuple' object has no attribute 'code'

This is because executeShTest() in utils/lit/lit/TestRunner.py is
supposed to return a lit.Test.Result object, but in case of unsupported
tests, it returns a plain tuple.

Fix this by returning a properly initialized lit.Test.Result object
instead.

Reviewers: rnk, rafael, modocache

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D33579

llvm-svn: 303943
2017-05-25 23:56:44 +00:00
Galina Kistanova 1754fee864 Fixed nondeterminism in RuleMatcher::emit.
llvm-svn: 303829
2017-05-25 01:51:53 +00:00
Zachary Turner dc4cbc0c89 git-llvm script should add .exe on Windows.
llvm-svn: 303708
2017-05-24 00:28:46 +00:00
Rui Ueyama 2f8db1d654 [git-llvm] Check if svn is installed.
The error message that git-llvm script prints out when svn is missing
is very cryptic. I spent a fair amount of time to find what was wrong
with my environment. It looks like many newcomers also exprienced a
hard time to submit their first patches due to this error.

This patch adds a more user-friendly error message.

Differential Revision: https://reviews.llvm.org/D33458

llvm-svn: 303696
2017-05-23 21:50:40 +00:00
Francis Visoiu Mistrih 41c96dc7ff abtest: remove duplicate script
This is fixing a mistake from r303690.

Differential Revision: https://reviews.llvm.org/D33303

llvm-svn: 303692
2017-05-23 21:28:41 +00:00
Francis Visoiu Mistrih 1c98701e57 AsmPrinter: mark the beginning and the end of a function in verbose mode
llvm-svn: 303690
2017-05-23 21:22:16 +00:00