Matthias Braun [Sat, 20 Dec 2014 01:54:48 +0000 (01:54 +0000)]
LiveIntervalAnalysis: cleanup addKills(), NFC
- Use more const modifiers
- Use references for things that can't be nullptr
- Improve some variable names
llvm-svn: 224663
Aaron Ballman [Sat, 20 Dec 2014 01:54:07 +0000 (01:54 +0000)]
Removing an outdated FIXME; try block attributes are parsed with the rest of the statement attributes (as per the standard), and function-try-blocks may not have attributes. NFC.
llvm-svn: 224662
Matthias Braun [Sat, 20 Dec 2014 01:51:02 +0000 (01:51 +0000)]
Unbreak cmake build with shared libraries enabled.
llvm-svn: 224661
Kostya Serebryany [Sat, 20 Dec 2014 01:45:28 +0000 (01:45 +0000)]
[sanitizer] fix a performance regression in sanitizer coverage: move a small perf-critical function to a header. ALso set the coverage guard to 1 before the early return from CoverageData::Add
llvm-svn: 224660
Enrico Granata [Sat, 20 Dec 2014 01:41:27 +0000 (01:41 +0000)]
Cleanup some redundant code
llvm-svn: 224659
Eric Fiselier [Sat, 20 Dec 2014 01:40:03 +0000 (01:40 +0000)]
Move test into test/std subdirectory.
llvm-svn: 224658
Nick Kledzik [Sat, 20 Dec 2014 01:22:54 +0000 (01:22 +0000)]
[libunwind] improve x86_64 comments in compact_unwind_encoding.h
llvm-svn: 224657
Nick Kledzik [Sat, 20 Dec 2014 01:14:38 +0000 (01:14 +0000)]
[libunwind] fix comment in compact_unwind_encoding.h
llvm-svn: 224656
Eric Christopher [Sat, 20 Dec 2014 00:07:09 +0000 (00:07 +0000)]
Remove unused variable and initialization.
llvm-svn: 224655
Saleem Abdulrasool [Fri, 19 Dec 2014 23:56:31 +0000 (23:56 +0000)]
Driver: hoist an assertion
Remove an unnecessary conditional, hoisting the assertion. Minor style
tweaks/reflowing. NFC.
llvm-svn: 224654
Saleem Abdulrasool [Fri, 19 Dec 2014 23:56:28 +0000 (23:56 +0000)]
Driver: refactor a local variable
Pull out a getToolChain() into a local variable to share the call across to all
the uses. NFC.
llvm-svn: 224653
Oleksiy Vyalov [Fri, 19 Dec 2014 23:52:46 +0000 (23:52 +0000)]
No need to call SetErrorToErrno when pipe2 succeeds.
http://reviews.llvm.org/D6743
llvm-svn: 224652
Nico Weber [Fri, 19 Dec 2014 23:52:45 +0000 (23:52 +0000)]
Don't drop attributes when checking explicit specializations.
Consider a template class with attributes on a method, and an explicit
specialization of that method:
template <int>
struct A {
void foo() final;
};
template <>
void A<0>::foo() {}
In this example, the attribute is `final`, but it might also be an
__attribute__((visibility("foo"))), noreturn, inline, etc. clang's current
behavior is to strip all attributes, which for some attributes is wrong
(the snippet above allows a subclass of A<0> to override the final method, for
example) and for others disagrees with gcc.
So stop dropping attributes. r95845 added this code without a test case, and
r176728 added the code for dropping attributes on parameters (with tests, but
they still pass).
As an additional wrinkle, do drop dllimport and dllexport, since that's how
these two attributes work. (This is covered by existing tests.)
Fixes PR21942.
The approach is by Richard Smith, initial analysis and typing was done by me.
With this, clang also matches GCC and EDG on all attributes Richard tested.
llvm-svn: 224651
Eric Christopher [Fri, 19 Dec 2014 23:46:53 +0000 (23:46 +0000)]
Remove unused variable, initializer, and accessor.
llvm-svn: 224650
Hans Wennborg [Fri, 19 Dec 2014 23:35:11 +0000 (23:35 +0000)]
Tweak the assert in ModuleBuilder from r224533 (PR21989)
Turns out there will be left-over deferred inline methods if there have
been errors, because in that case HandleTopLevelDecl bails out early.
llvm-svn: 224649
Matt Arsenault [Fri, 19 Dec 2014 23:29:13 +0000 (23:29 +0000)]
R600: Remove outdated comment
llvm-svn: 224648
Elena Demikhovsky [Fri, 19 Dec 2014 23:27:57 +0000 (23:27 +0000)]
Masked load and store codegen - fixed 128-bit vectors
The codegen failed on 128-bit types on AVX2.
I added patterns and in td files and tests.
llvm-svn: 224647
Matt Arsenault [Fri, 19 Dec 2014 23:15:30 +0000 (23:15 +0000)]
R600/SI: Only form min/max with 1 use.
If the condition is used for something else, this increases
the number of instructions.
llvm-svn: 224646
Kostya Serebryany [Fri, 19 Dec 2014 23:09:59 +0000 (23:09 +0000)]
[sanitizer] initialize two flas in SetCommonFlagsDefaults
llvm-svn: 224645
Siva Chandra [Fri, 19 Dec 2014 22:41:43 +0000 (22:41 +0000)]
[TestEvents] Replace expectedFailureLinux with skipIfLinux
Summary:
If we do not mark them as skip, they are still executed, which in
turn is leading to an assertion failure. The change also adds
skipIfLinux to a testlet which was not previously marked with
skipIfLinux. This is because running even that test let leads to an
assertion failure.
Test Plan: dotest.py -C clang -p TestEvents.py
Reviewers: vharron
Reviewed By: vharron
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D6715
llvm-svn: 224644
Siva Chandra [Fri, 19 Dec 2014 22:40:05 +0000 (22:40 +0000)]
[TestStaticVariables] Mark the one unmarked test let also expectedFailure.
Summary:
The test is question here is already annotated
with @expectedFailureDarwin(9980907).
This change also removes an uneccessary (and probably wrong) logic of
byssing few asserts if the compiler is not clang or llvm-gcc.
Both GCC and Clang emit incomplete debug info. Clang emits this:
< 1><0x00000026> DW_TAG_class_type
DW_AT_name "A"
DW_AT_byte_size 0x00000001
DW_AT_decl_file 0x00000001
DW_AT_decl_line 0x0000001b
< 2><0x0000002e> DW_TAG_member
DW_AT_name "g_points"
DW_AT_type <0x0000003b>
DW_AT_decl_file 0x00000001
DW_AT_decl_line 0x0000001e
DW_AT_external yes(1)
DW_AT_declaration yes(1)
DW_AT_accessibility DW_ACCESS_public
< 1><0x0000003b> DW_TAG_array_type
DW_AT_type <0x00000046>
< 2><0x00000040> DW_TAG_subrange_type
DW_AT_type <0x0000007b>
Notice that the DIE at 0x40 does not specify an upperbound. This is with
Clang-3.5 and Clang ToT.
GCC emits this:
< 1><0x000000aa> DW_TAG_class_type
DW_AT_name "A"
DW_AT_byte_size 0x00000001
DW_AT_decl_file 0x00000001
DW_AT_decl_line 0x0000001b
DW_AT_sibling <0x000000c1>
< 2><0x000000b4> DW_TAG_member
DW_AT_name "g_points"
DW_AT_decl_file 0x00000001
DW_AT_decl_line 0x0000001e
DW_AT_type <0x000000c1>
DW_AT_external yes(1)
DW_AT_accessibility DW_ACCESS_public
DW_AT_declaration yes(1)
< 1><0x000000c1> DW_TAG_array_type
DW_AT_type <0x0000007e>
DW_AT_sibling <0x000000cc>
< 2><0x000000ca> DW_TAG_subrange_type
The DIE at 0xca is missing attributes. This is with gcc-4.8.2.
Test Plan: dotest.py -C clang -P TestStaticVariables.py
Reviewers: clayborg
Reviewed By: clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D6713
llvm-svn: 224643
Siva Chandra [Fri, 19 Dec 2014 22:37:23 +0000 (22:37 +0000)]
[TestCompletion] Spawn LLDB with '--no-use-colors'.
Summary:
TestCompletion was broken for Ubuntu (and probably for Debian also).
The issue was that the lldb prompt in color (which is the default
behavior) was confusing pexpect.
Test Plan: "http://199.223.233.39:8011/lldb-try-clang-build-clang-test/"
Reviewers: zturner, clayborg
Reviewed By: clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D6671
llvm-svn: 224642
Reid Kleckner [Fri, 19 Dec 2014 22:30:08 +0000 (22:30 +0000)]
EH: Sink computation of local PadMap variable into function that uses it
No functionality change.
llvm-svn: 224635
Eric Fiselier [Fri, 19 Dec 2014 22:29:12 +0000 (22:29 +0000)]
[LIT] Add JSONMetricValue type to wrap types supported by the json encoder.
Summary:
The following types can be encoded and decoded by the json library:
`dict`, `list`, `tuple`, `str`, `unicode`, `int`, `long`, `float`, `bool`, `NoneType`.
`JSONMetricValue` can be constructed with any of these types, and used as part of Test.Result.
This patch also adds a toMetricValue function that converts a value into a MetricValue.
Reviewers: ddunbar, EricWF
Reviewed By: EricWF
Subscribers: cfe-commits, llvm-commits
Differential Revision: http://reviews.llvm.org/D6576
llvm-svn: 224628
Kevin Enderby [Fri, 19 Dec 2014 22:25:22 +0000 (22:25 +0000)]
Add printing the LC_ROUTINES load commands with llvm-objdump’s -private-headers.
llvm-svn: 224627
Eric Fiselier [Fri, 19 Dec 2014 22:21:44 +0000 (22:21 +0000)]
[libcxx] Add <experimental/type_traits> for LFTS
Summary:
This adds the <experimental/type_traits> (minus invocation traits). Mostly just the `_v` traits.
Reviewers: K-ballo, mclow.lists
Reviewed By: mclow.lists
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D5742
llvm-svn: 224626
Reid Kleckner [Fri, 19 Dec 2014 22:19:48 +0000 (22:19 +0000)]
Add the ExceptionHandling::MSVC enumeration
It is intended to be used for a family of personality functions that
have similar IR preparation requirements. Typically when interoperating
with MSVC personality functions, bits of functionality need to be
outlined from the main function into helper functions. There is also
usually more than one landing pad per invoke, which does not match the
LLVM IR landingpad representation.
None of this is implemented yet. This change just adds a new enum that
is active for *-windows-msvc and delegates to the EH removal preparation
pass. No functionality change for other targets.
llvm-svn: 224625
Sanjay Patel [Fri, 19 Dec 2014 22:16:28 +0000 (22:16 +0000)]
Model sqrtss as a binary operation with one source operand tied to the destination (PR14221)
This is a continuation of r167064 ( http://llvm.org/viewvc/llvm-project?view=revision&revision=167064 ).
That patch started to fix PR14221 ( http://llvm.org/bugs/show_bug.cgi?id=14221 ), but it was not completed.
Differential Revision: http://reviews.llvm.org/D6330
llvm-svn: 224624
Tom Stellard [Fri, 19 Dec 2014 22:15:37 +0000 (22:15 +0000)]
R600/SI: isLegalOperand() shouldn't check constant bus for SALU instructions
The constant bus restrictions only apply to VALU instructions. This
enables SIFoldOperands to fold immediates into SALU instructions.
llvm-svn: 224623
Tom Stellard [Fri, 19 Dec 2014 22:15:30 +0000 (22:15 +0000)]
R600/SI: Make sure non-inline constants aren't folded into mubuf soffset operand
mubuf instructions now define the soffset field using the SCSrc_32
register class which indicates that only SGPRs and inline constants
are allowed.
llvm-svn: 224622
Yaron Keren [Fri, 19 Dec 2014 22:15:09 +0000 (22:15 +0000)]
Remove isSubroutineType test for isCompositeType, getTag() is enough.
llvm-svn: 224621
Richard Smith [Fri, 19 Dec 2014 22:10:51 +0000 (22:10 +0000)]
DR1048: drop top-level cv-qualifiers when deducing the return type of a
lambda-expression in C++11, to match the C++14 rules.
llvm-svn: 224620
David Blaikie [Fri, 19 Dec 2014 21:45:11 +0000 (21:45 +0000)]
Update SmallPtrSet::insert's doc comment to match the new return type
llvm-svn: 224619
Eric Fiselier [Fri, 19 Dec 2014 21:42:17 +0000 (21:42 +0000)]
Remove unneeded configuration code.
llvm-svn: 224618
Alexey Samsonov [Fri, 19 Dec 2014 21:40:04 +0000 (21:40 +0000)]
[Sanitizer] Refactor CommonFlags interface. NFC.
Add CommonFlags::SetDefaults() and CommonFlags::ParseFromString(),
so that this object can be easily tested. Enforce
that ParseCommonFlagsFromString() and SetCommonFlagsDefaults()
work only with singleton CommonFlags, shared across all sanitizer
runtimes.
llvm-svn: 224617
Kevin Enderby [Fri, 19 Dec 2014 21:06:24 +0000 (21:06 +0000)]
Add printing the LC_SUB_CLIENT load command with llvm-objdump’s -private-headers.
llvm-svn: 224616
Peter Collingbourne [Fri, 19 Dec 2014 20:50:07 +0000 (20:50 +0000)]
CodeGen: do not attempt to invalidate virtual registers for zero-sized phis.
llvm-svn: 224615
Alexey Samsonov [Fri, 19 Dec 2014 20:35:53 +0000 (20:35 +0000)]
[ASan] Change activation strategy.
Now ASan deactivation doesn't modify common or ASan-specific runtime
flags. Flags stay constant after initialization, and "deactivation"
instead stashes initialized runtime state, and deactivates the
runtime. Activation then just restores the original state (possibly,
overriden by some activation flags provided in system property on
Android).
llvm-svn: 224614
Alexey Samsonov [Fri, 19 Dec 2014 20:35:50 +0000 (20:35 +0000)]
[Sanitizer] Make Quarantine::Init slightly safer.
ASan Quarantine can be reinitialized at activation/deactivation.
Make max_size_/min_size_ atomic.
llvm-svn: 224613
Colin LeMahieu [Fri, 19 Dec 2014 20:29:29 +0000 (20:29 +0000)]
[Hexagon] Removing old variants of instructions and updating references.
llvm-svn: 224612
Sanjay Patel [Fri, 19 Dec 2014 20:23:41 +0000 (20:23 +0000)]
merge consecutive stores of extracted vector elements
Add a path to DAGCombiner::MergeConsecutiveStores()
to combine multiple scalar stores when the store operands
are extracted vector elements. This is a partial fix for
PR21711 ( http://llvm.org/bugs/show_bug.cgi?id=21711 ).
For the new test case, codegen improves from:
vmovss %xmm0, (%rdi)
vextractps $1, %xmm0, 4(%rdi)
vextractps $2, %xmm0, 8(%rdi)
vextractps $3, %xmm0, 12(%rdi)
vextractf128 $1, %ymm0, %xmm0
vmovss %xmm0, 16(%rdi)
vextractps $1, %xmm0, 20(%rdi)
vextractps $2, %xmm0, 24(%rdi)
vextractps $3, %xmm0, 28(%rdi)
vzeroupper
retq
To:
vmovups %ymm0, (%rdi)
vzeroupper
retq
Patch reviewed by Nadav Rotem.
Differential Revision: http://reviews.llvm.org/D6698
llvm-svn: 224611
Colin LeMahieu [Fri, 19 Dec 2014 20:01:08 +0000 (20:01 +0000)]
[Hexagon] Adding bit extraction and table indexing instructions.
llvm-svn: 224610
Colin LeMahieu [Fri, 19 Dec 2014 19:54:38 +0000 (19:54 +0000)]
[Hexagon] Adding bit insertion instructions.
llvm-svn: 224609
Colin LeMahieu [Fri, 19 Dec 2014 19:51:35 +0000 (19:51 +0000)]
[Hexagon] Adding more xtype shift instructions.
llvm-svn: 224608
Kevin Enderby [Fri, 19 Dec 2014 19:48:16 +0000 (19:48 +0000)]
Add printing the LC_SUB_LIBRARY load command with llvm-objdump’s -private-headers.
llvm-svn: 224607
Jim Ingham [Fri, 19 Dec 2014 19:45:31 +0000 (19:45 +0000)]
Don't emit the "WARNING: no locations" message when breakpoints are set in
the dummy target. Say they were set in the dummy target instead.
llvm-svn: 224606
Alexey Samsonov [Fri, 19 Dec 2014 19:35:11 +0000 (19:35 +0000)]
[ASan] Introduce AllocatorOptions to configure allocator behavior.
Summary:
Reduce the dependency of allocator code on runtime flags. Instead,
pass a bunch of options that configure allocator behavior at
initialization or re-initialization. That would allow us to
cleaner modify allocator behavior during a program execution
when ASan is activated or de-activated.
Test Plan: regression test suite
Reviewers: kcc
Subscribers: llvm-commits, eugenis
Differential Revision: http://reviews.llvm.org/D6711
llvm-svn: 224605
Colin LeMahieu [Fri, 19 Dec 2014 19:34:50 +0000 (19:34 +0000)]
[Hexagon] Adding xtype shift instructions.
llvm-svn: 224604
Eric Fiselier [Fri, 19 Dec 2014 19:27:32 +0000 (19:27 +0000)]
[libcxx] Allow the use of ccache when running the test suite.
Summary:
In order to get the bots running quicker I would like to be able to use ccache
with the test suite. This patch adds support for running the test suite using
ccache. To use ccache pass `--param=use_ccache=true` when running the test suite.
ccache will not cache any command that invokes ld, so the build step needs to be
split into two separate compile commands. The cost of splitting the build step
into two parts when not using ccache seems to be minimal. On my machine I saw a
difference of ~5 seconds on a 5 minute test suite run.
A full test suite run with ccache generates about 250MB of cached data.
I recorded the following times for running the test suite in the following configurations:
- no ccache: 340s
- initial ccache run: 380s
- rerun with ccache (no changes): 53s.
- rerun with ccache (<string> changed): 80s
- rerun with ccache (<cmath> changed): 169s
- rerun with ccache (<valarray> changed): 69s
Reviewers: mclow.lists, jroelofs, danalbert
Reviewed By: jroelofs
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D6647
llvm-svn: 224603
Jim Ingham [Fri, 19 Dec 2014 19:20:44 +0000 (19:20 +0000)]
Audit uses of ConstString::AsCString() to make sure they weren't assuming
they would always get a non-NULL string back.
<rdar://problem/
19298575>
llvm-svn: 224602
Alexey Samsonov [Fri, 19 Dec 2014 19:16:07 +0000 (19:16 +0000)]
[ASan] Restrict the set of flags overriden at activation.
Summary:
Change the way ASan flag parsing is performed at activation: instead
of overwriting all ASan and common flags from the activation string,
ASan will now only override a handful of whitelisted flags.
This is a first step towards making runtime flags immutable after
initialization. I plan to re-factor the activation stragegy to
the following one:
- Parse commandline flags. Override the defaults from compile
definition, env var, etc. Flags are immutable at this point.
- Initiailize the runtime from commandline flags.
- If ASan needs to be started deactivated, stash the runtime
state in "asan_deactivated_flags" and deactivate the runtime.
- When ASan is activated, override "asan_deactivated_flags" with
activation flags, and use it to re-activate the runtime.
Test Plan: regression test suite
Reviewers: eugenis, kcc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6709
llvm-svn: 224601
Alexey Samsonov [Fri, 19 Dec 2014 19:16:02 +0000 (19:16 +0000)]
[ASan] Move flag validation from ParseFlagsFromString() to InitializeFlags().
llvm-svn: 224600
Colin LeMahieu [Fri, 19 Dec 2014 19:06:32 +0000 (19:06 +0000)]
[Hexagon] Adding transfers to and from control registers.
llvm-svn: 224599
Colin LeMahieu [Fri, 19 Dec 2014 18:56:10 +0000 (18:56 +0000)]
[Hexagon] Adding doubleregs for control registers. Renaming control register class.
llvm-svn: 224598
Saleem Abdulrasool [Fri, 19 Dec 2014 18:54:13 +0000 (18:54 +0000)]
builtins: rely on the compiler for user label prefix
clang does not like the definition of builtins. In order to work around this,
we use a SUN CC to redefine the generated name. However, this requires that we
account for the user label prefix. Rather than hard coding that into the file,
rely on the compiler to tell us the information and use the preprocessor to
generate the name as we do in the assembly routines. NFC.
llvm-svn: 224597
Alexey Samsonov [Fri, 19 Dec 2014 18:41:43 +0000 (18:41 +0000)]
Allow to disable all sanitizers with "-fno-sanitize=all" option.
Summary:
This patch adds "all" sanitizer group. A shortcut "-fno-sanitize=all"
can be used to disable all sanitizers for a given source file.
"-fsanitize=all" option makes no sense, and will produce an error.
This group can also be useful when we add "-fsanitize-recover=<list>"
options (patch in http://reviews.llvm.org/D6302), as it would allow
to conveniently enable/disable recovery for all specified sanitizers.
Test Plan: regression test suite
Reviewers: kcc, rsmith
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D6733
llvm-svn: 224596
Aaron Ballman [Fri, 19 Dec 2014 18:37:22 +0000 (18:37 +0000)]
Added a fixit to remove empty parens from a C++11 attribute argument list when we diagnose this as an error.
llvm-svn: 224595
Frederic Riss [Fri, 19 Dec 2014 18:26:33 +0000 (18:26 +0000)]
[DebugInfo] Move all DWARF headers to the public include directory.
dsymutil needs access to DWARF specific inforamtion, the small DIContext
wrapper isn't sufficient. Other DWARF consumers might want to use it too
(I'm looking at you lldb).
Differential Revision: http://reviews.llvm.org/D6694
llvm-svn: 224594
Zachary Turner [Fri, 19 Dec 2014 18:26:33 +0000 (18:26 +0000)]
Don't generate lldb inline test Makefiles if Makefile already exists.
Differential Revision: http://reviews.llvm.org/D6664
Reviewed by: Sean Callanan
llvm-svn: 224593
Pekka Jaaskelainen [Fri, 19 Dec 2014 18:04:27 +0000 (18:04 +0000)]
Fix an address space id reset with array decay's
implicit conversion.
The issue was produced with OpenCL C code that
called a function with a constant string literal
argument.
llvm-svn: 224592
Andreas Simbuerger [Fri, 19 Dec 2014 17:22:46 +0000 (17:22 +0000)]
(diagnostics) fix typo in test...
llvm-svn: 224591
Tilmann Scheller [Fri, 19 Dec 2014 17:21:38 +0000 (17:21 +0000)]
[BBVectorize] Remove two more redundant assignments.
Found by the Clang static analyzer.
llvm-svn: 224590
Tilmann Scheller [Fri, 19 Dec 2014 17:13:12 +0000 (17:13 +0000)]
[BBVectorize] Remove redundant assignment.
Found by the Clang static analyzer.
llvm-svn: 224589
Bruno Cardoso Lopes [Fri, 19 Dec 2014 17:12:35 +0000 (17:12 +0000)]
Reapply: [InstCombine] Fix visitSwitchInst to use right operand types for sub cstexpr
The visitSwitchInst generates SUB constant expressions to recompute the
switch condition. When truncating the condition to a smaller type, SUB
expressions should use the previous type (before trunc) for both
operands. Also, fix code to also return the modified switch when only
the truncation is performed.
This fixes an assertion crash.
Differential Revision: http://reviews.llvm.org/D6644
rdar://problem/
19191835
llvm-svn: 224588
Tilmann Scheller [Fri, 19 Dec 2014 17:02:31 +0000 (17:02 +0000)]
[LoopVectorize] Remove redundant assignment.
Found by the Clang static analyzer.
llvm-svn: 224587
Tilmann Scheller [Fri, 19 Dec 2014 16:57:33 +0000 (16:57 +0000)]
[ARM] Remove dead assignment.
Found by the Clang static analyzer.
llvm-svn: 224586
Fariborz Jahanian [Fri, 19 Dec 2014 16:55:51 +0000 (16:55 +0000)]
Use ObjCMultipleMethodNames to match the option.
llvm-svn: 224585
Andreas Simbuerger [Fri, 19 Dec 2014 16:49:39 +0000 (16:49 +0000)]
(diagnostics) Fix typo.
Thanks Albert Cohen.
llvm-svn: 224584
Sanjay Patel [Fri, 19 Dec 2014 16:44:08 +0000 (16:44 +0000)]
use -0.0 when creating an fneg instruction
Backends recognize (-0.0 - X) as the canonical form for fneg
and produce better code. Eg, ppc64 with 0.0:
lis r2, ha16(LCPI0_0)
lfs f0, lo16(LCPI0_0)(r2)
fsubs f1, f0, f1
blr
vs. -0.0:
fneg f1, f1
blr
Differential Revision: http://reviews.llvm.org/D6723
llvm-svn: 224583
Aaron Ballman [Fri, 19 Dec 2014 16:42:04 +0000 (16:42 +0000)]
Attributes accepting an EnumArgument are allowed to pass a string literal, or an identifier. VariadicEnumArguments now behave consistently instead of only accepting a string literal.
This change affects the only attribute accepting a variadic enumeration: callable_when.
llvm-svn: 224582
Alexander Kornienko [Fri, 19 Dec 2014 15:37:02 +0000 (15:37 +0000)]
Fixed a typo in a comment. NFC.
llvm-svn: 224581
Sergey Matveev [Fri, 19 Dec 2014 15:33:13 +0000 (15:33 +0000)]
[lsan] Add debug output to leak_check_before_thread_started.cc.
Trying to investigate why this test is flaky.
llvm-svn: 224580
Aaron Ballman [Fri, 19 Dec 2014 14:56:49 +0000 (14:56 +0000)]
Putting unevaluated expression warnings, and evaluated typeid warnings, under their own warning flags. Amends r224465.
llvm-svn: 224578
Sergey Matveev [Fri, 19 Dec 2014 14:45:19 +0000 (14:45 +0000)]
[sanitizer] Rename InitIfLinkerInitialized to InitLinkerInitialized.
llvm-svn: 224577
Bruno Cardoso Lopes [Fri, 19 Dec 2014 14:36:24 +0000 (14:36 +0000)]
Revert "[InstCombine] Fix visitSwitchInst to use right operand types for sub cstexpr"
Reverts commit r224574 to appease buildbots:
The visitSwitchInst generates SUB constant expressions to recompute the
switch condition. When truncating the condition to a smaller type, SUB
expressions should use the previous type (before trunc) for both
operands. This fixes an assertion crash.
llvm-svn: 224576
Dmitry Vyukov [Fri, 19 Dec 2014 14:29:40 +0000 (14:29 +0000)]
tsan: intercept closedir
llvm-svn: 224575
Bruno Cardoso Lopes [Fri, 19 Dec 2014 14:23:15 +0000 (14:23 +0000)]
[InstCombine] Fix visitSwitchInst to use right operand types for sub cstexpr
The visitSwitchInst generates SUB constant expressions to recompute the
switch condition. When truncating the condition to a smaller type, SUB
expressions should use the previous type (before trunc) for both
operands. This fixes an assertion crash.
Differential Revision: http://reviews.llvm.org/D6644
rdar://problem/
19191835
llvm-svn: 224574
Evgeniy Stepanov [Fri, 19 Dec 2014 12:21:40 +0000 (12:21 +0000)]
[asan] Test BB- and edge- level coverage on Android.
llvm-svn: 224572
Evgeniy Stepanov [Fri, 19 Dec 2014 11:49:46 +0000 (11:49 +0000)]
[asan] Add tests for direct (mmap-ed) mode for BB- and edge-level coverage.
llvm-svn: 224571
Tilmann Scheller [Fri, 19 Dec 2014 11:29:34 +0000 (11:29 +0000)]
Remove redundant assignment.
Found with the Clang static analyzer.
llvm-svn: 224570
Evgeniy Stepanov [Fri, 19 Dec 2014 10:40:14 +0000 (10:40 +0000)]
[asan] Resurrect sanitize-coverage test on Android.
The test got silently disabled because of a typo in the lit config.
Also, compiler flags have changed (asan-coverage -> fsanitize-coverage).
llvm-svn: 224569
Jeroen Ketema [Fri, 19 Dec 2014 09:18:23 +0000 (09:18 +0000)]
Remove wrong semi-colons
Patch by Alastair Donaldson
llvm-svn: 224568
Duncan P. N. Exon Smith [Fri, 19 Dec 2014 07:19:50 +0000 (07:19 +0000)]
LTO: Export local context symbols
Export symbols in libLTO.dylib for the local context-related functions
added in r221733 (`LTO_API_VERSION=11`)... and add the missing
definition for `lto_codegen_create_in_local_context()`.
llvm-svn: 224567
Duncan P. N. Exon Smith [Fri, 19 Dec 2014 06:06:18 +0000 (06:06 +0000)]
Rename MapValue(Metadata*) to MapMetadata()
Instead of reusing the name `MapValue()` when mapping `Metadata`, use
`MapMetadata()`. The old name doesn't make much sense after the
`Metadata`/`Value` split.
llvm-svn: 224566
Andrew Wilkins [Fri, 19 Dec 2014 02:45:48 +0000 (02:45 +0000)]
Test commit
Just changing whitespace to test commit access...
llvm-svn: 224565
Alexey Samsonov [Fri, 19 Dec 2014 02:35:16 +0000 (02:35 +0000)]
[Sanitizer] Get rid of parseArgument helper function. NFC.
llvm-svn: 224564
Juergen Ributzka [Fri, 19 Dec 2014 02:31:01 +0000 (02:31 +0000)]
[Object] Don't crash on empty export lists.
Summary: This fixes the exports iterator if the export list is empty.
Reviewers: Bigcheese, kledzik
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6732
llvm-svn: 224563
David Majnemer [Fri, 19 Dec 2014 02:13:56 +0000 (02:13 +0000)]
Fix layering violation, Lex shouldn't know about Decl
llvm-svn: 224562
Richard Smith [Fri, 19 Dec 2014 02:07:47 +0000 (02:07 +0000)]
PR21969: Improve diagnostics for a conversion function that has any pieces of a
declared return type (including a trailing-return-type in C++14).
llvm-svn: 224561
Matthias Braun [Fri, 19 Dec 2014 01:39:46 +0000 (01:39 +0000)]
RegisterCoalescer: rewrite eliminateUndefCopy().
This also fixes problems with undef copies of subregisters. I can't
attach a testcase for that as none of the targets in trunk has
subregister liveness tracking enabled.
llvm-svn: 224560
Greg Clayton [Fri, 19 Dec 2014 01:28:42 +0000 (01:28 +0000)]
Fixed an issue that could cause GetPointeeData() to fail when passing in a non-zero index.
The issue was we had a global variable that was a pointer, and the address type of the children wasn't "load address" when it needed to be. Full details are in the comments of the changes.
<rdar://problem/
15107937>
llvm-svn: 224559
Kaelyn Takata [Fri, 19 Dec 2014 01:28:40 +0000 (01:28 +0000)]
Correct delayed typos in the operand to typeof expressions.
Fixes PR21947.
llvm-svn: 224558
Adrian Prantl [Fri, 19 Dec 2014 01:02:11 +0000 (01:02 +0000)]
Fix a typo.
llvm-svn: 224557
Colin LeMahieu [Fri, 19 Dec 2014 00:06:53 +0000 (00:06 +0000)]
[Hexagon] Adding loop0/1 sp0/1/2loop0 instructions.
llvm-svn: 224556
Adrian Prantl [Fri, 19 Dec 2014 00:01:20 +0000 (00:01 +0000)]
Explain why LLVM is emitting a DW_AT_containing_type inside of a class.
llvm-svn: 224555
Peter Zotov [Thu, 18 Dec 2014 23:56:52 +0000 (23:56 +0000)]
[cmake] Unbreak LLVM-Config.cmake / llvm_expand_dependencies.
The algorithm for sorting libraries in topological order, as
previously implemented, had a few issues:
* It didn't make any sense.
* It didn't actually sort libraries in topological order.
* It hung on some inputs, e.g. "LLVMipo".
This commit replaces the old algorithm with a straightforward port
from llvm-config.cpp.
llvm-svn: 224554
David Majnemer [Thu, 18 Dec 2014 23:54:43 +0000 (23:54 +0000)]
ConstantFold: Shifting undef by zero results in undef
llvm-svn: 224553
Colin LeMahieu [Thu, 18 Dec 2014 23:36:15 +0000 (23:36 +0000)]
Reverting 224550, was not ready for commit.
llvm-svn: 224552
Kevin Enderby [Thu, 18 Dec 2014 23:34:16 +0000 (23:34 +0000)]
Remove an extra ';' on line 1120 include/llvm/Support/MachO.h .
Caught by Mike Edwards!
llvm-svn: 224551
Colin LeMahieu [Thu, 18 Dec 2014 23:27:51 +0000 (23:27 +0000)]
[Hexagon] Adding loop0/1 sp0/1/2loop0 instructions.
llvm-svn: 224550