David Blaikie [Tue, 5 Aug 2014 16:20:25 +0000 (16:20 +0000)]
Improve test for merged global debug info by using llvm-dwarfdump.
It's a bit of a tradeoff, since llvm-dwarfdump doesn't print the name of
the global symbol being used as an address in the addressing mode, but
this avoids the dependence on hardcoded set labels that keep changing
(5+ commits over the last few years that each update the set label as it
changes due to other, unrelated differences in output). This could've,
instead, been changed to match the set name then match the name in the
string pool but that would present other issues (needing to skip over
the sets that weren't of interest, etc) and checking that the addresses
(granted, without relocations applied - so it's not the whole story)
match in the two variable location descriptions seems sufficient and
fairly stable here.
There are a few similar other tests with similar label dependence that
I'll update soonish.
llvm-svn: 214878
Jonathan Roelofs [Tue, 5 Aug 2014 15:56:07 +0000 (15:56 +0000)]
Update CREDITS.txt with the list of folks who worked on ARM EHABI support
llvm-svn: 214877
NAKAMURA Takumi [Tue, 5 Aug 2014 15:54:43 +0000 (15:54 +0000)]
ASTMatchersTests/matchesConditionallyWithCuda: Add -fno-ms-extensions, and get rid of initializer list.
I am not sure whether -xcuda might imply -fno-ms-extensions.
llvm-svn: 214876
Joerg Sonnenberger [Tue, 5 Aug 2014 15:45:15 +0000 (15:45 +0000)]
Add accessors for the PPC 403 bank registers.
llvm-svn: 214875
Benjamin Kramer [Tue, 5 Aug 2014 15:33:46 +0000 (15:33 +0000)]
[clang-tidy] Simplify ast matcher.
Turns out there is a better way to do this. No functionality change.
llvm-svn: 214874
Jonathan Roelofs [Tue, 5 Aug 2014 15:31:16 +0000 (15:31 +0000)]
Fix a copy-pasta in r214573
llvm-svn: 214873
Renato Golin [Tue, 5 Aug 2014 15:29:41 +0000 (15:29 +0000)]
Add tests for cp10/cp11 on ARMv5/6
Tests for ARMv7/8 are already on diagnostics.s
llvm-svn: 214872
Keith Walker [Tue, 5 Aug 2014 15:11:59 +0000 (15:11 +0000)]
Specify that the thumb setend and blx <immed> instructions are not valid on an m-class target
llvm-svn: 214871
NAKAMURA Takumi [Tue, 5 Aug 2014 15:01:31 +0000 (15:01 +0000)]
ASTMatchers.h: Fix an annotation. [-Wdocumentation-html]
Angle brackets, aka < >, should be escaped.
llvm-svn: 214870
NAKAMURA Takumi [Tue, 5 Aug 2014 15:01:12 +0000 (15:01 +0000)]
[CMake] clangCodeGen: Update libdeps to add clangLex for PPChainedCallbacks.
llvm-svn: 214869
Keith Walker [Tue, 5 Aug 2014 14:58:05 +0000 (14:58 +0000)]
Define stc2/stc2l/ldc2/ldc2l as thumb2 instructions
llvm-svn: 214868
Joerg Sonnenberger [Tue, 5 Aug 2014 14:53:05 +0000 (14:53 +0000)]
Accessors for SSR2 and SSR3 on PPC 403.
llvm-svn: 214867
Tom Stellard [Tue, 5 Aug 2014 14:48:12 +0000 (14:48 +0000)]
R600/SI: Update MUBUF assembly string to match AMD proprietary compiler
llvm-svn: 214866
Tom Stellard [Tue, 5 Aug 2014 14:40:52 +0000 (14:40 +0000)]
R600/SI: Avoid generating REGISTER_LOAD instructions.
SI doesn't use REGISTER_LOAD anymore, but it was still hitting this code
path for 8-bit and 16-bit private loads.
llvm-svn: 214865
Joerg Sonnenberger [Tue, 5 Aug 2014 14:40:32 +0000 (14:40 +0000)]
Add dci/ici instructions for PPC 476 and friends.
llvm-svn: 214864
Joerg Sonnenberger [Tue, 5 Aug 2014 14:18:16 +0000 (14:18 +0000)]
Add mftblo and mftbhi for PPC 4xx.
llvm-svn: 214863
Joerg Sonnenberger [Tue, 5 Aug 2014 13:34:01 +0000 (13:34 +0000)]
Add lswi / stswi for assembler use with a warning to not add patterns
for them.
llvm-svn: 214862
Timur Iskhodzhanov [Tue, 5 Aug 2014 13:26:26 +0000 (13:26 +0000)]
[ASan/Win] Handle SEH exceptions even with -GS
This is a follow-up to r213654, r213656, r213667 and r213668.
llvm-svn: 214861
Yi Kong [Tue, 5 Aug 2014 12:46:47 +0000 (12:46 +0000)]
AArch64: Add support for instruction prefetch intrinsic
Instruction prefetch is not implemented for AArch64, it is incorrectly
translated into data prefetch instruction.
Differential Revision: http://reviews.llvm.org/D4777
llvm-svn: 214860
James Molloy [Tue, 5 Aug 2014 12:30:34 +0000 (12:30 +0000)]
Teach the SLP Vectorizer that keeping some values live over a callsite can have a cost.
Some types, such as 128-bit vector types on AArch64, don't have any callee-saved registers. So if a value needs to stay live over a callsite, it must be spilled and refilled. This cost is now taken into account.
llvm-svn: 214859
Daniel Jasper [Tue, 5 Aug 2014 12:16:31 +0000 (12:16 +0000)]
clang-format: Add option to always break after a function's return type.
This is required for GNU coding style, among others.
Also update the configuration documentation.
Modified from an original patch by Jarkko Hietaniemi, thank you!
llvm-svn: 214858
Daniel Jasper [Tue, 5 Aug 2014 12:06:20 +0000 (12:06 +0000)]
clang-format: Break before 'else' in Stroustrup style.
Seems to be the desired thing to do according to:
http://www.stroustrup.com/Programming/PPP-style-rev3.pdf
Patch by Jarkko Hietaniemi, thank you!
llvm-svn: 214857
Aaron Ballman [Tue, 5 Aug 2014 11:48:21 +0000 (11:48 +0000)]
Updating the documentation comment to list another parameter. No functional changes.
llvm-svn: 214856
Alexander Kornienko [Tue, 5 Aug 2014 11:12:23 +0000 (11:12 +0000)]
The test doesn't export ASAN_OPTIONS, so $ASAN_OPTIONS should not be used in RUN lines.
llvm-svn: 214855
Tim Northover [Tue, 5 Aug 2014 11:07:26 +0000 (11:07 +0000)]
MachO: set sizeof result type to what embedded headers expect.
Embedded systems seem to have inherited Darwin's choise of "unsigned long" for
size_t (via a bunch of headers), so we should respect that.
rdar://problem/
17872787
llvm-svn: 214854
Chandler Carruth [Tue, 5 Aug 2014 10:35:30 +0000 (10:35 +0000)]
[x86] Reformat some code I moved around in a prior commit but left
poorly formatted. Sorry about that.
llvm-svn: 214853
Manuel Klimek [Tue, 5 Aug 2014 09:45:53 +0000 (09:45 +0000)]
Adds AST matchers for matching CUDA declarations.
Patch by Jacques Pienaar.
llvm-svn: 214852
Joerg Sonnenberger [Tue, 5 Aug 2014 09:43:25 +0000 (09:43 +0000)]
Allow binary and for tblgen math.
llvm-svn: 214851
Jim Cownie [Tue, 5 Aug 2014 09:32:28 +0000 (09:32 +0000)]
After three iterations of community review, we believe that this new
CMAKE buld system should meet everyone's requirements.
Enhanced CMake Build System Commit
* Supports Linux, Mac, Windows, and IntelĀ® Xeon Phi builds
* Supports building with gcc, icc, clang, and Visual Studio compilers
* Supports bulding "fat" libraries on OS/X with clang
* Details and documentation on how to use build system
are in Build_With_CMake.txt
* To use the old CMake build system (corresponds to
CMakeLists.txt.old), just rename CMakeLists.txt to
CMakeLists.txt.other and rename CMakeLists.txt.old to
CMakeLists.txt
llvm-svn: 214850
Chandler Carruth [Tue, 5 Aug 2014 08:19:21 +0000 (08:19 +0000)]
[x86] Fix a crash and wrong-code bug in the new vector lowering all
found by a single test reduced out of a failure on llvm-stress.
The start of the problem (and the crash) came when we tried to use
a find of a non-used slot in the move-to half of the move-mask as the
target for two bad-half inputs. While if lucky this will be the first of
a pair of slots which we can place the bad-half inputs into, it isn't
actually guaranteed. This really isn't surprising, not sure what I was
thinking. The correct way to find the two unused slots is to look for
one of the *used* slots. We know it isn't that pair, and we can use some
modular arithmetic to find the other pair by masking off the odd bit and
adding 2 modulo 4. With this, we reliably found a viable pair of slots
for the bad-half inputs.
Sadly, that wasn't enough. We also had a wrong code bug that surfaced
when I reduced the test case for this where we would use the same slot
twice for the two bad inputs. This is because both of the bad inputs
could be in odd slots originally and thus the mod-2 mapping would
actually be the same. The whole point of the weird indexing into the
pair of empty slots was to try to leverage when the end result needed
the two bad-half inputs to be paired in a dword and pre-pair them in the
correct orrientation. This is less important with the powerful combining
we're now doing, and also easier and more reliable to achieve be noting
that we add the bad-half inputs in order. Thus, if they are in a dword
pair, the low part of that will be the first input in the sequence.
Always putting that in the low element will just do the right thing in
addition to computing the correct result.
Test case added. =]
llvm-svn: 214849
Juergen Ributzka [Tue, 5 Aug 2014 07:31:30 +0000 (07:31 +0000)]
[FastIsel][AArch64] Fix previous commit r214844 (Don't perform sign-/zero-extension for function arguments that have already been sign-/zero-extended.)
The original code would fail for unsupported value types like i1, i8, and i16.
This fix changes the code to only create a sub-register copy for i64 value types
and all other types (i1/i8/i16/i32) just use the source register without any
modifications.
getRegClassFor() is now guarded by the i64 value type check, that guarantees
that we always request a register for a valid value type.
llvm-svn: 214848
David Majnemer [Tue, 5 Aug 2014 06:42:40 +0000 (06:42 +0000)]
MS ABI: Make the alias template mangling more correct
llvm-svn: 214847
Juergen Ributzka [Tue, 5 Aug 2014 05:43:48 +0000 (05:43 +0000)]
[FastISel][AArch64] Implement the FastLowerArguments hook.
This implements basic argument lowering for AArch64 in FastISel. It only
handles a small subset of the C calling convention. It supports simple
arguments that can be passed in GPR and FPR registers.
This should cover most of the trivial cases without falling back to
SelectionDAG.
This fixes <rdar://problem/
17890986>.
llvm-svn: 214846
Kevin Qin [Tue, 5 Aug 2014 05:43:47 +0000 (05:43 +0000)]
Revert "r214832 - MachineCombiner Pass for selecting faster instruction"
It broke compiling of most Benchmark and internal test, as clang got
clashed by segmentation fault or assertion.
llvm-svn: 214845
Juergen Ributzka [Tue, 5 Aug 2014 05:43:44 +0000 (05:43 +0000)]
[FastISel][AArch64] Don't perform sign-/zero-extension for function arguments that have already been sign-/zero-extended.
llvm-svn: 214844
Juergen Ributzka [Tue, 5 Aug 2014 05:43:41 +0000 (05:43 +0000)]
Provide convenient access to the zext/sext attributes of function arguments. NFC.
llvm-svn: 214843
Eric Christopher [Tue, 5 Aug 2014 02:39:49 +0000 (02:39 +0000)]
Have MachineFunction cache a pointer to the subtarget to make lookups
shorter/easier and have the DAG use that to do the same lookup. This
can be used in the future for TargetMachine based caching lookups from
the MachineFunction easily.
Update the MIPS subtarget switching machinery to update this pointer
at the same time it runs.
llvm-svn: 214838
Jim Ingham [Tue, 5 Aug 2014 01:59:20 +0000 (01:59 +0000)]
If you found a step through plan stop looking up the stack for a step out plan.
llvm-svn: 214837
Jim Ingham [Tue, 5 Aug 2014 01:58:14 +0000 (01:58 +0000)]
Add some useful logging to the step log.
llvm-svn: 214836
Rui Ueyama [Tue, 5 Aug 2014 01:44:43 +0000 (01:44 +0000)]
[PECOFF] addDeadStripRoot is not thread-safe.
llvm-svn: 214835
Marshall Clow [Tue, 5 Aug 2014 01:34:12 +0000 (01:34 +0000)]
dit pointed out on IRC that '__i = _VSTD::next(__i)' was a very long-winded way of writing '++__i'. Since I hate being thought of as long-winded (this checkin comment notwithstanding), I fixed it. No functionality change.
llvm-svn: 214834
Alexey Samsonov [Tue, 5 Aug 2014 01:24:22 +0000 (01:24 +0000)]
[UBSan] Allow to suppress reports from vptr checker for specified types.
Based on http://reviews.llvm.org/D4702 by Byoungyoung Lee!
llvm-svn: 214833
Gerolf Hoflehner [Tue, 5 Aug 2014 01:16:13 +0000 (01:16 +0000)]
MachineCombiner Pass for selecting faster instruction
sequence on AArch64
Re-commit of r214669 without changes to test cases
LLVM::CodeGen/AArch64/arm64-neon-mul-div.ll and
LLVM:: CodeGen/AArch64/dp-3source.ll
This resolves the reported compfails of the original commit.
llvm-svn: 214832
Alexey Samsonov [Tue, 5 Aug 2014 00:43:23 +0000 (00:43 +0000)]
[Sanitizer] Turn SuppressionContext::Init() into InitIfNecessary().
Suppression context might be used in multiple sanitizers working
simultaneously (e.g. LSan and UBSan) and not knowing about each other.
llvm-svn: 214831
Hans Wennborg [Tue, 5 Aug 2014 00:21:23 +0000 (00:21 +0000)]
ReleaseNotes: add blurb about Windows support
llvm-svn: 214830
David Majnemer [Tue, 5 Aug 2014 00:01:15 +0000 (00:01 +0000)]
CodeGenObjCXX: Add a test for r214699
I forgot to add this with the changes for r214699.
llvm-svn: 214829
David Majnemer [Tue, 5 Aug 2014 00:01:13 +0000 (00:01 +0000)]
MS ABI: Aligned tentative definitions don't have CommonLinkage
int __declspec(align(16)) foo; is a tentative definition but the storage
for that variable should not have CommonLinkage.
llvm-svn: 214828
Joerg Sonnenberger [Mon, 4 Aug 2014 23:53:42 +0000 (23:53 +0000)]
Add TCR register access
llvm-svn: 214826
Joerg Sonnenberger [Mon, 4 Aug 2014 23:49:45 +0000 (23:49 +0000)]
Add PPC 603's tlbld and tlbli instructions.
llvm-svn: 214825
Rui Ueyama [Mon, 4 Aug 2014 23:48:57 +0000 (23:48 +0000)]
[PECOFF] Fix /include option in .drectve section.
/INCLUDE arguments passed as command line options are handled in the
same way as Unix -u. All option values are converted to an undefined
symbol and added to a dummy input file, so that the specified symbols
are resolved.
One tricky thing on Windows is that the option is also allowed to
appear in the object file's directive section. At the time when
it's being read, all (regular) command line options have already
been processed. We cannot add undefined atoms to the dummy file
anymore.
Previously, we added such /INCLUDE to a set that has already been
processed. As a result the options were ignored.
This patch fixes the issue. Now, /INCLUDE symbols in the directive
section are handled as real undefined symbol in the COFF file.
We create an undefined symbol for each /INCLUDE argument and add
it to the file being parsed.
llvm-svn: 214824
Zachary Turner [Mon, 4 Aug 2014 23:31:21 +0000 (23:31 +0000)]
Teach ProcessWindows plugin to support stdio i/o redirection.
llvm-svn: 214816
Renato Golin [Mon, 4 Aug 2014 23:21:56 +0000 (23:21 +0000)]
Allow CP10/CP11 operations on ARMv5/v6
Those registers are VFP/NEON and vector instructions should be used instead,
but old cores rely on those co-processors to enable VFP unwinding. This change
was prompted by the libc++abi's unwinding routine and is also present in many
legacy low-level bare-metal code that we ought to compile/assemble.
Fixing bug PR20025 and allowing PR20529 to proceed with a fix in libc++abi.
llvm-svn: 214802
Bill Schmidt [Mon, 4 Aug 2014 23:21:26 +0000 (23:21 +0000)]
[PPC64LE] Fix wrong IR for vec_sld and vec_vsldoi
My original LE implementation of the vsldoi instruction, with its
altivec.h interfaces vec_sld and vec_vsldoi, produces incorrect
shufflevector operations in the LLVM IR. Correct code is generated
because the back end handles the incorrect shufflevector in a
consistent manner.
This patch and a companion patch for LLVM correct this problem by
removing the fixup from altivec.h and the corresponding fixup from the
PowerPC back end. Several test cases are also modified to reflect the
now-correct LLVM IR.
The vec_sums and vec_vsumsws interfaces in altivec.h are also fixed,
because they used vec_perm calls intended to be recognized as vsldoi
instructions. These vec_perm calls are now replaced with code that
more clearly shows the intent of the transformation.
llvm-svn: 214801
Bill Schmidt [Mon, 4 Aug 2014 23:21:01 +0000 (23:21 +0000)]
[PPC64LE] Fix wrong IR for vec_sld and vec_vsldoi
My original LE implementation of the vsldoi instruction, with its
altivec.h interfaces vec_sld and vec_vsldoi, produces incorrect
shufflevector operations in the LLVM IR. Correct code is generated
because the back end handles the incorrect shufflevector in a
consistent manner.
This patch and a companion patch for Clang correct this problem by
removing the fixup from altivec.h and the corresponding fixup from the
PowerPC back end. Several test cases are also modified to reflect the
now-correct LLVM IR.
llvm-svn: 214800
Kevin Enderby [Mon, 4 Aug 2014 23:14:37 +0000 (23:14 +0000)]
Enable Darwin vararg parameters support in assembler macros.
Duplicate the vararg tests for linux and add a tests which mixed
vararg arguments with darwin positional parameters.
Patch by: Janne Grunau <j@jannau.net>
llvm-svn: 214799
Pedro Artigas [Mon, 4 Aug 2014 23:07:49 +0000 (23:07 +0000)]
Changed the liveness tracking in the RegisterScavenger
to use register units instead of registers.
reviewed by Jakob Stoklund Olesen.
llvm-svn: 214798
Joerg Sonnenberger [Mon, 4 Aug 2014 22:56:42 +0000 (22:56 +0000)]
Add simplified aliases for access to DCCR, ICCR, DEAR and ESR
llvm-svn: 214797
NAKAMURA Takumi [Mon, 4 Aug 2014 22:48:46 +0000 (22:48 +0000)]
ThreadSafety.cpp: Prune bogus \param(s). [-Wdocumentation]
llvm-svn: 214796
NAKAMURA Takumi [Mon, 4 Aug 2014 22:48:36 +0000 (22:48 +0000)]
ThreadSafetyAnalysis: Fix annotations in class members. [-Wdocumentation]
llvm-svn: 214795
NAKAMURA Takumi [Mon, 4 Aug 2014 22:48:19 +0000 (22:48 +0000)]
clang/test/Sema/struct-packed-align.c: Add the case in MS mode that alignment doesn't affect packing.
Also, revert a couple of suppressions.
r214298, "Suppress clang/test/Sema/struct-packed-align.c for targeting LLP64."
r214301, "Suppress clang/test/Sema/struct-packed-align.c also on msvc for investigating."
llvm-svn: 214794
NAKAMURA Takumi [Mon, 4 Aug 2014 22:48:09 +0000 (22:48 +0000)]
Trailing linefeed.
llvm-svn: 214793
Reid Kleckner [Mon, 4 Aug 2014 22:35:30 +0000 (22:35 +0000)]
Remove separator parameter from static local naming code
It was always set to ".", which was duplicated in a few places.
llvm-svn: 214792
Rui Ueyama [Mon, 4 Aug 2014 22:19:53 +0000 (22:19 +0000)]
[PECOFF] Remove unused paraemter.
llvm-svn: 214791
Andrew Trick [Mon, 4 Aug 2014 22:18:25 +0000 (22:18 +0000)]
Fix SmallDenseMap assignment operator.
Self assignment would lead to buckets of garbage, causing quadratic probing to hang.
llvm-svn: 214790
DeLesley Hutchins [Mon, 4 Aug 2014 22:13:06 +0000 (22:13 +0000)]
Thread Safety Analysis: add a -Wthread-safety-negative flag that warns whenever
a mutex is acquired, but corresponding mutex is not provably not-held. This
is based on the earlier negative requirements patch.
llvm-svn: 214789
Juergen Ributzka [Mon, 4 Aug 2014 21:49:51 +0000 (21:49 +0000)]
[FastISel][AArch64] Fix shift lowering for i8 and i16 value types.
This fix changes the parameters #r and #s that are passed to the UBFM/SBFM
instruction to get the zero/sign-extension for free.
The original problem was that the shift left would use the 32-bit shift even for
i8/i16 value types, which could leave the upper bits set with "garbage" values.
The arithmetic shift right on the other side would use the wrong MSB as sign-bit
to determine what bits to shift into the value.
This fixes <rdar://problem/
17907720>.
llvm-svn: 214788
Justin Bogner [Mon, 4 Aug 2014 21:49:15 +0000 (21:49 +0000)]
IR: Fix up doxygen comment for LLVMContext::diagnose
This comment was referring to the DiagnosticSeverity with RS_
prefixes, but they're actually DS_. I've also modernized the comment
style since I was changing it anyway.
llvm-svn: 214787
Eric Christopher [Mon, 4 Aug 2014 21:33:42 +0000 (21:33 +0000)]
Update for LLVM API change.
llvm-svn: 214786
Chandler Carruth [Mon, 4 Aug 2014 21:29:59 +0000 (21:29 +0000)]
[SDAG] Fix a really, really terrible bug in the DAG combiner.
This code is completely wrong. It is also dead, as if it were to *ever*
run, it would crash. Fortunately, after my work to the combiner, it is
at least *possible* to reach the code, and llvm-stress has found a test
case. Thanks to Patrick for reporting.
It would be really good if anyone who remembers how this code works and
what it was intended to do could add some more obvious test coverage
instead of my completely contrived and reduced test case. My test case
was so brittle I left a bread crumb comment in it to help the next
person to stumble on it and not know what it was actually testing for.
llvm-svn: 214785
Joerg Sonnenberger [Mon, 4 Aug 2014 21:28:22 +0000 (21:28 +0000)]
tlbre / tlbwe / tlbsx / tlbsx. variants for the PPC 4xx CPUs.
llvm-svn: 214784
Jason Molenda [Mon, 4 Aug 2014 21:26:55 +0000 (21:26 +0000)]
Add code to AssemblyParse_x86::get_non_call_site_unwind_plan
to recognize an epilogue that ends with a jmp to
objc_retainAutoreleaseReturnValue instead of a ret instruction.
<rdar://problem/
17889928>
llvm-svn: 214783
Eric Christopher [Mon, 4 Aug 2014 21:25:44 +0000 (21:25 +0000)]
Reorder to keep data and routines separate and to keep a couple of
similar routines close to each other.
llvm-svn: 214782
Eric Christopher [Mon, 4 Aug 2014 21:25:23 +0000 (21:25 +0000)]
Remove the TargetMachine forwards for TargetSubtargetInfo based
information and update all callers. No functional change.
llvm-svn: 214781
Eric Christopher [Mon, 4 Aug 2014 21:24:07 +0000 (21:24 +0000)]
Reimplement the temporary non-const getSubtargetImpl routine so
that we can avoid implementing it on every target. Thanks to Richard
Smith for the suggestions!
llvm-svn: 214780
Chad Rosier [Mon, 4 Aug 2014 21:20:25 +0000 (21:20 +0000)]
[AArch64] Extend the number of scalar instructions supported in the AdvSIMD
scalar integer instruction pass.
This is a patch I had lying around from a few months ago. The pass is
currently disabled by default, so nothing to interesting.
llvm-svn: 214779
Hans Wennborg [Mon, 4 Aug 2014 21:07:58 +0000 (21:07 +0000)]
UsersManual: update clang-cl options
llvm-svn: 214777
Joerg Sonnenberger [Mon, 4 Aug 2014 21:06:00 +0000 (21:06 +0000)]
MC uses .lcomm now, so adjust.
llvm-svn: 214776
Reid Kleckner [Mon, 4 Aug 2014 21:05:27 +0000 (21:05 +0000)]
Fix failure to invoke exception handler on Win64
When the last instruction prior to a function epilogue is a call, we
need to emit a nop so that the return address is not in the epilogue IP
range. This is consistent with MSVC's behavior, and may be a workaround
for a bug in the Win64 unwinder.
Differential Revision: http://reviews.llvm.org/D4751
Patch by Vadim Chugunov!
llvm-svn: 214775
Hans Wennborg [Mon, 4 Aug 2014 20:54:39 +0000 (20:54 +0000)]
Don't drop dllimport from qualified friend redeclarations (PR20512)
This matches MSVC's logic, which seems to be that when the friend
declaration is qualified, it cannot be a declaration of a new symbol
and so the dll linkage doesn't change.
Differential Revision: http://reviews.llvm.org/D4764
llvm-svn: 214774
Aaron Ballman [Mon, 4 Aug 2014 20:49:47 +0000 (20:49 +0000)]
Nit picky const-correctness with auto. No functional changes.
llvm-svn: 214773
David Blaikie [Mon, 4 Aug 2014 20:36:00 +0000 (20:36 +0000)]
Correct the emission kind constants committed in r214771
llvm-svn: 214772
David Blaikie [Mon, 4 Aug 2014 20:32:48 +0000 (20:32 +0000)]
Document the "emission kind" field of the DICompileUnit in LLVM's Source Level Debugging metadata.
llvm-svn: 214771
Aaron Ballman [Mon, 4 Aug 2014 20:28:35 +0000 (20:28 +0000)]
A static_assert declaration cannot be a template; adding the diagnostic for this instead of silently accepting and producing possibly-unexpected behavior.
llvm-svn: 214770
Joerg Sonnenberger [Mon, 4 Aug 2014 20:28:34 +0000 (20:28 +0000)]
Recognize mftbl as alias for mftb, for symmetry with mttb.
llvm-svn: 214769
Dan Albert [Mon, 4 Aug 2014 20:27:45 +0000 (20:27 +0000)]
Fix typo.
llvm-svn: 214768
Joerg Sonnenberger [Mon, 4 Aug 2014 19:33:25 +0000 (19:33 +0000)]
Add a sentence that all entries should include an email address.
Add one for Greg Clayton, Peter Collingbourne, Tobias Grosser and
Jakob Olesen based on recent commits.
llvm-svn: 214762
David Blaikie [Mon, 4 Aug 2014 19:30:08 +0000 (19:30 +0000)]
Reapply "DebugInfo: Ensure that all debug location scope chains from instructions within a function, lead to the function itself."
Originally reverted in r213432 with flakey failures on an ASan self-host
build. After reduction it seems to be the same issue fixed in r213805
(ArgPromo + DebugInfo: Handle updating debug info over multiple
applications of argument promotion) and r213952 (by having
LiveDebugVariables strip dbg_value intrinsics in functions that are not
described by debug info). Though I cannot explain why this failure was
flakey...
llvm-svn: 214761
Marshall Clow [Mon, 4 Aug 2014 19:20:17 +0000 (19:20 +0000)]
Fix a problem with reference_wrapper in C++03 that was causing counting predicates to fail. Add a test to make sure it works. However, most of the reference_wrapper tests still fail in C++03 mode, due to a lack of decltype. No change there.
llvm-svn: 214760
Alex Lorenz [Mon, 4 Aug 2014 19:04:38 +0000 (19:04 +0000)]
Revert r214757 (Same fix as r214758)
llvm-svn: 214759
David Blaikie [Mon, 4 Aug 2014 18:59:39 +0000 (18:59 +0000)]
Add CoverageMappingGen.cpp (introduced in r214752) to CMakeLists.txt
llvm-svn: 214758
Alex Lorenz [Mon, 4 Aug 2014 18:55:53 +0000 (18:55 +0000)]
add lib/CodeGen/CoverageMappingGen.cpp to CMake
llvm-svn: 214757
Matt Arsenault [Mon, 4 Aug 2014 18:49:22 +0000 (18:49 +0000)]
R600/SI: Fix definitions for ds_read2 / ds_write2 instructions.
These were just wrong, using the wrong register classes
and store2 was missing an operand.
llvm-svn: 214756
Joerg Sonnenberger [Mon, 4 Aug 2014 18:46:13 +0000 (18:46 +0000)]
Rename PPCLinuxMCAsmInfo to PPCELFMCAsmInfo to better reflect the
systems it represents.
llvm-svn: 214755
Joerg Sonnenberger [Mon, 4 Aug 2014 18:45:10 +0000 (18:45 +0000)]
Allow .lcomm with alignment on ELF targets.
llvm-svn: 214754
Dan Albert [Mon, 4 Aug 2014 18:44:48 +0000 (18:44 +0000)]
Add locales to available_features for tests.
Linux has a lot of failures caused by not having support for certain
locales. Since these come out as a lot of noise in the test results,
have lit.cfg detect the presence of the various locales used in the
tests and add them to config.available_features as locale.LOCALE_NAME.
This patch also adds REQUIRES: locale.REQUIRED_LOCALE to every test that
I saw failing in this manner. We probably need to add more for all the
tests requiring en_US.UTF-8, but we can do that on an as-needed basis.
One thing that concerns me is how many tests get skipped because of
missing locales (especially in regex/). We should make a point of
splitting up any tests that test default behavior _and_ behavior under a
given locale so that we aren't losing coverage for default behavior.
llvm-svn: 214753
Alex Lorenz [Mon, 4 Aug 2014 18:41:51 +0000 (18:41 +0000)]
Add coverage mapping generation.
This patch adds the '-fcoverage-mapping' option which
allows clang to generate the coverage mapping information
that can be used to provide code coverage analysis using
the execution counts obtained from the instrumentation
based profiling (-fprofile-instr-generate).
llvm-svn: 214752
Alex Lorenz [Mon, 4 Aug 2014 18:00:51 +0000 (18:00 +0000)]
Coverage: add HasCodeBefore flag to a mapping region.
This flag will be used by the coverage tool to help
compute the execution counts for each line in a source file.
Differential Revision: http://reviews.llvm.org/D4746
llvm-svn: 214740
Aaron Ballman [Mon, 4 Aug 2014 17:49:55 +0000 (17:49 +0000)]
Removing some extraneous spaces; no functional changes intended.
llvm-svn: 214739
Eric Christopher [Mon, 4 Aug 2014 17:37:43 +0000 (17:37 +0000)]
Move the R600 intrinsic support back to the target machine - there's
nothing subtarget dependent about the intrinsic support in any
backend as far as I can tell.
llvm-svn: 214738
Justin Bogner [Mon, 4 Aug 2014 17:36:41 +0000 (17:36 +0000)]
Path: Stop claiming path::const_iterator is bidirectional
path::const_iterator claims that it's a bidirectional iterator, but it
doesn't satisfy all of the contracts for a bidirectional iterator.
For example, n3376 24.2.5 p6 says "If a and b are both dereferenceable,
then a == b if and only if *a and *b are bound to the same object",
but this doesn't work with how we stash and recreate Components.
This means that our use of reverse_iterator on this type is invalid
and leads to many of the valgrind errors we're hitting, as explained
by Tilmann Scheller here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-
20140728/228654.html
Instead, we admit that path::const_iterator is only an input_iterator,
and implement a second input_iterator for path::reverse_iterator (by
changing const_iterator::operator-- to reverse_iterator::operator++).
All of the uses of this just traverse once over the path in one
direction or the other anyway.
llvm-svn: 214737