Commit Graph

98038 Commits

Author SHA1 Message Date
NAKAMURA Takumi
3f4c031f21 Suppress llvm-cov.test on Win32, with REQUIRES: shell
"cd" is unsupported in lit internal runner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194652 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 02:05:41 +00:00
Matt Arsenault
0ea3ce91af Update emacs llvm mode.
It seems this hasn't been done in a while.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194650 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 02:03:02 +00:00
Jiangning Liu
082ac99cc8 Implement AArch64 NEON instruction set AdvSIMD (table).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194648 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 01:57:32 +00:00
Yunzhong Gao
2999b2f2cc Fixing a heisenbug where the memory dependence analysis behaves differently
with and without -g.

Adding a test case to make sure that the threshold used in the memory
dependence analysis is respected. The test case also checks that debug
intrinsics are not counted towards this threshold.

Differential Revision: http://llvm-reviews.chandlerc.com/D2141



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194646 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 01:10:52 +00:00
Nick Kledzik
4e7c22a90b Add simple support for tags in YAML I/O
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194644 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 00:59:59 +00:00
Yuchen Wu
4bd0224887 llvm-cov: Slightly improved error checking.
- readInt() should check all 4 bytes can be read, not just 1.
- In the event of false data in the gcno file, it was possible to index
  into a non-existent index of SmallVector, causing assertion error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194639 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 00:38:41 +00:00
Yuchen Wu
131a764e0e llvm-cov: Removed StringMap holding GCOVLines.
According to the hazy gcov documentation, it appeared to be technically
possible for lines within a block to belong to different source files.
However, upon further investigation, gcov does not actually support
multiple source files for a single block.

This change removes a level of separation between blocks and lines by
replacing the StringMap of GCOVLines with a SmallVector of ints
representing line numbers. This also means that the GCOVLines class is
no longer needed.

This paves the way for supporting the "-a" option, which will output
block information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194637 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 00:32:00 +00:00
Yuchen Wu
dbb51ff01f llvm-cov: Replaced asserts with proper error handling.
Unified the interface for read functions. They all return a boolean
indicating if the read from file succeeded. Functions that previously
returned the read value now store it into a variable that is passed in
by reference instead. Callers will need to check the return value to
detect if an error occurred.

Also added a new test which ensures that no assertions occur when file
contains invalid data. llvm-cov should return with error code 1 upon
failure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194635 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 00:07:15 +00:00
Michael Gottesman
006806267a Fixed 80+ violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194634 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 00:05:07 +00:00
Tom Stellard
7c94599d1b R600: Fix uninitialized variable usage
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194632 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 23:58:51 +00:00
Reed Kotler
5aeb5e530e Take care of long short branch immediate instructions for mips16 in
constant islands.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194630 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 23:52:18 +00:00
Tom Stellard
a2b4eb6d15 R600/SI: Add support for private address space load/store
Private address space is emulated using the register file with
MOVRELS and MOVRELD instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194626 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 23:36:50 +00:00
Tom Stellard
b52bf6a3b3 R600/SI: Prefer SALU instructions for bit shift operations
All shift operations will be selected as SALU instructions and then
if necessary lowered to VALU instructions in the SIFixSGPRCopies pass.

This allows us to do more operations on the SALU which will improve
performance and is also required for implementing private memory
using indirect addressing, since the private memory pointers must stay
in the scalar registers.

This patch includes some fixes from Matt Arsenault.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194625 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 23:36:37 +00:00
Yuchen Wu
eef8b8c35c llvm-cov: Changed XFAIL targets to be more generic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194622 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 23:33:17 +00:00
Yuchen Wu
86e37f567b Added basic unit test for llvm-cov.
This test compares the output of llvm-cov against a coverage file
generated by gcov. Currently, llvm-cov does not work on certain
platforms (namely big-endian architectures such as PowerPC, among
others). These platforms are marked as XFAIL for now, but will be fixed
later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194616 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 22:50:15 +00:00
Sebastian Pop
f44941d81d add more comments around the delinearization of arrays
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194612 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 22:37:58 +00:00
Rui Ueyama
c9024c6ebc Path: Add tests for existing file magics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194607 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 21:55:41 +00:00
Rui Ueyama
e0573aab49 Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194605 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 20:31:21 +00:00
Hans Wennborg
7adae8e795 Revert my CMake patches concerning building with /MT (r194589, r194596)
Reid pointed out we already have LLVM_USE_CRT_{buildtype} to set it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194604 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 20:29:10 +00:00
Jakub Staszak
dc9a217d05 Simplify code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194602 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 20:18:38 +00:00
Jakub Staszak
a305ffb65b Use StringRef instead of std::string
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194601 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 20:09:11 +00:00
Chad Rosier
11966d7c98 [AArch64] Add support for legacy AArch32 NEON scalar shift by immediate
instructions.  This patch does not include the shift right and accumulate
instructions.  A number of non-overloaded intrinsics have been remove in favor
of their overloaded counterparts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194598 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 20:05:37 +00:00
Hans Wennborg
4ac2e3c604 CMake: make building with /MT an option instead of always forcing it
for release builds.

This is a follow-up to r194589. Aaron pointed out that building
libraries with /MT and using them in an application that uses a
different run-time library can be a bad idea.

Move the option to build with /MT behind a CMake option so it can be
turned on selectively, such as when building the toolchain installer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194596 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 19:12:02 +00:00
Weiming Zhao
929bdb2379 Enable generating legacy IT block for AArch32
By default, the behavior of IT block generation will be determinated
dynamically base on the arch (armv8 vs armv7). This patch adds backend
options: -arm-restrict-it and -arm-no-restrict-it.  The former one
restricts the generation of IT blocks (the same behavior as thumbv8) for
both arches. The later one allows the generation of legacy IT block (the
same behavior as ARMv7 Thumb2) for both arches.

Clang will support -mrestrict-it and -mno-restrict-it, which is
compatible with GCC.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194592 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 18:29:49 +00:00
Hans Wennborg
e258845a63 cmake: link release builds statically against run-time library on windows (use /MT instead of /MD)
This should fix the problem of snapshot builds created with MSVC 2012 not
working for users with MSVC 2010, etc.

Differential Revision: http://llvm-reviews.chandlerc.com/D2157

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194589 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 18:16:23 +00:00
David Blaikie
a9a8f0f432 DIEHash: Move header include to be first in the implementation file to flush out header inclusion ordering issues
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194588 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 18:07:27 +00:00
Richard Sandiford
541c5de2fb [SystemZ] Add the general form of BCR
At the moment this is just the MC support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194585 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 16:57:53 +00:00
Benjamin Kramer
1a362619f8 Move Delinearization pass into an anonymous namespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194582 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 15:35:17 +00:00
Benjamin Kramer
43a0f3959e Make sure LLVMLoadLibraryPermanently gets an extern "C" symbol.
Otherwise it's impossible to use it. Also don't include C++ headers in
a C header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194581 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 15:35:13 +00:00
Alexey Samsonov
0ab53c7112 FileCheck: fix matching of one check-prefix is a prefix of another
Summary:
Fix a case when "FileCheck --check-prefix=CHECK --check-prefix=CHECKER"
would silently ignore check-lines of the form:
  CHECKER: foo

Reviewers: dsanders

Reviewed By: dsanders

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2168

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194577 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 14:12:52 +00:00
Rafael Espindola
de9a1a2055 Remove AllowQuotesInName and friends from MCAsmInfo.
Accepting quotes is a property of an assembler, not of an object file. For
example, ELF can support any names for sections and symbols, but the gnu
assembler only accepts quotes in some contexts and llvm-mc in a few more.

LLVM should not produce different symbols based on a guess about which assembler
will be reading the code it is printing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194575 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 14:01:59 +00:00
Rafael Espindola
7af43e0ad0 Don't call doFinalization from verifyFunction.
verifyFunction needs to call doInitialization to collect metadata and avoid
crashing when verifying debug info in a function.

But it should not call doFinalization since that is where the verifier will
check declarations, variables and aliases, which is not desirable when one
only wants to verify a function.

A possible cleanup would be to split the class into a ModuleVerifier and
FunctionVerifier.

Issue reported by Ilia Filippov. Patch by Michael Kruse.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194574 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 13:44:11 +00:00
Vladimir Medic
c0fad4d9fd Fix bug in .gpword directive parsing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194570 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 13:18:04 +00:00
Zoran Jovanovic
1206f1968b Support for microMIPS trap instruction with immediate operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194569 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 13:15:03 +00:00
Alexey Samsonov
4223b96010 Fix -Wdelete-non-virtual-dtor warnings by making SampleProfile methods non-virtual
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194568 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 13:09:39 +00:00
Diego Novillo
563b29f8db SampleProfileLoader pass. Initial setup.
This adds a new scalar pass that reads a file with samples generated
by 'perf' during runtime. The samples read from the profile are
incorporated and emmited as IR metadata reflecting that profile.

The profile file is assumed to have been generated by an external
profile source. The profile information is converted into IR metadata,
which is later used by the analysis routines to estimate block
frequencies, edge weights and other related data.

External profile information files have no fixed format, each profiler
is free to define its own. This includes both the on-disk representation
of the profile and the kind of profile information stored in the file.
A common kind of profile is based on sampling (e.g., perf), which
essentially counts how many times each line of the program has been
executed during the run.

The SampleProfileLoader pass is organized as a scalar transformation.
On startup, it reads the file given in -sample-profile-file to
determine what kind of profile it contains.  This file is assumed to
contain profile information for the whole application. The profile
data in the file is read and incorporated into the internal state of
the corresponding profiler.

To facilitate testing, I've organized the profilers to support two file
formats: text and native. The native format is whatever on-disk
representation the profiler wants to support, I think this will mostly
be bitcode files, but it could be anything the profiler wants to
support. To do this, every profiler must implement the
SampleProfile::loadNative() function.

The text format is mostly meant for debugging. Records are separated by
newlines, but each profiler is free to interpret records as it sees fit.
Profilers must implement the SampleProfile::loadText() function.

Finally, the pass will call SampleProfile::emitAnnotations() for each
function in the current translation unit. This function needs to
translate the loaded profile into IR metadata, which the analyzer will
later be able to use.

This patch implements the first steps towards the above design. I've
implemented a sample-based flat profiler. The format of the profile is
fairly simplistic. Each sampled function contains a list of relative
line locations (from the start of the function) together with a count
representing how many samples were collected at that line during
execution. I generate this profile using perf and a separate converter
tool.

Currently, I have only implemented a text format for these profiles. I
am interested in initial feedback to the whole approach before I send
the other parts of the implementation for review.

This patch implements:

- The SampleProfileLoader pass.
- The base ExternalProfile class with the core interface.
- A SampleProfile sub-class using the above interface. The profiler
  generates branch weight metadata on every branch instructions that
  matches the profiles.
- A text loader class to assist the implementation of
  SampleProfile::loadText().
- Basic unit tests for the pass.

Additionally, the patch uses profile information to compute branch
weights based on instruction samples.

This patch converts instruction samples into branch weights. It
does a fairly simplistic conversion:

Given a multi-way branch instruction, it calculates the weight of
each branch based on the maximum sample count gathered from each
target basic block.

Note that this assignment of branch weights is somewhat lossy and can be
misleading. If a basic block has more than one incoming branch, all the
incoming branches will get the same weight. In reality, it may be that
only one of them is the most heavily taken branch.

I will adjust this assignment in subsequent patches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194566 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 12:22:21 +00:00
Alexey Samsonov
7df6641654 FileCheck: fix a bug with multiple --check-prefix options.
Summary:
This fixes a subtle bug in new FileCheck feature added
in r194343. When we search for the first satisfying check-prefix,
we should actually return the first encounter of some check-prefix as a
substring, even if it's not a part of valid check-line. Otherwise
"FileCheck --check-prefix=FOO --check-prefix=BAR" with check file:

  FOO not a vaild check-line
  FOO: foo
  BAR: bar

incorrectly accepted file:

  fog
  bar

as it skipped the first two encounters of FOO, matching only BAR: line.

Reviewers: arsenm, dsanders

Reviewed By: dsanders

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2166

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194565 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 11:56:22 +00:00
Robert Lytton
8b99622b9b XCore target: implement exception handling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194564 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 10:19:31 +00:00
Sylvestre Ledru
cb92f8ecc9 Fix typo + add URL
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194563 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 10:07:16 +00:00
Vladimir Medic
c7ebe50276 This patch fixes a bug in floating point operands parsing, when instruction alias uses default register operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194562 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 09:48:53 +00:00
NAKAMURA Takumi
d3df4603d9 Add XFAIL:arm again on 4 MCJIT tests, since r194558. AArch64 has been left removed.
They are failing on clang-native-arm-cortex-a9.

Please tweak MCJIT/lit.local.cfg, if this didn't satisfy bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194561 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 07:43:10 +00:00
NAKAMURA Takumi
0700a80da1 Remove XFAIL:aarch64,arm from 4 tests in test/ExecutionEngine/MCJIT.
They are reported as XPASSing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194558 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 06:28:00 +00:00
NAKAMURA Takumi
6c242d385b Mips16InstrInfo.cpp: Use <cctype> instead of <ctype.h>
Also, prune <stdlib.h>, seems stray.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194557 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 06:27:53 +00:00
Reed Kotler
4df21b1467 Allow the code which returns the length for inline assembler to know
specifically about the .space directive. This allows us to force large
blocks of code to appear in test cases for things like constant islands
without having to make giant test cases to force things like long 
branches to take effect.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194555 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 04:37:52 +00:00
Peter Zotov
950abf3933 Add myself to CODE_OWNERS for the OCaml bindings
Per discussion with Chris Lattner

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194554 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 04:24:13 +00:00
Andrew Trick
bf8b04919a Add a test case to verify that misusing anyregcc crashes as expected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194553 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 03:46:19 +00:00
Chandler Carruth
429af0e0a7 Add another (perhaps better) video for Sean's talk. (Thanks Marshall!)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194549 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 02:49:38 +00:00
Chandler Carruth
3c3f6be0c8 Fix a null pointer dereference when copying a null polymorphic pointer.
This bug only bit the C++98 build bots because all of the actual uses
really do move. ;] But not *quite* ready to do the whole C++11 switch
yet, so clean it up. Also add a unit test that catches this immediately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194548 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 02:48:20 +00:00
Matt Arsenault
29f1788de9 R600: Fix selection failure on EXTLOAD
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194547 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 02:39:07 +00:00
Juergen Ributzka
c7e77f91fe SelectionDAG: Teach the legalizer to split SETCC if VSELECT needs splitting too.
This patch reapplies r193676 with an additional fix for the Hexagon backend. The
SystemZ backend has already been fixed by r194148.

The Type Legalizer recognizes that VSELECT needs to be split, because the type
is to wide for the given target. The same does not always apply to SETCC,
because less space is required to encode the result of a comparison. As a result
VSELECT is split and SETCC is unrolled into scalar comparisons.

This commit fixes the issue by checking for VSELECT-SETCC patterns in the DAG
Combiner. If a matching pattern is found, then the result mask of SETCC is
promoted to the expected vector mask type for the given target. Now the type
legalizer will split both VSELECT and SETCC.

This allows the following X86 DAG Combine code to sucessfully detect the MIN/MAX
pattern. This fixes PR16695, PR17002, and <rdar://problem/14594431>.

Reviewed by Nadav

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194542 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-13 01:57:54 +00:00