Commit Graph

249924 Commits

Author SHA1 Message Date
Matt Arsenault 327188aa15 AMDGPU: Select branch on undef to uniform scc branch
llvm-svn: 289877
2016-12-15 21:57:11 +00:00
Teresa Johnson 68e58b4b60 [gold] Add datalayout to test where it was missing
Needed due to change to require datalayout (r289719).

Found this in my own testing, maybe there aren't any bots using a v1.12
gold yet.

llvm-svn: 289876
2016-12-15 21:42:56 +00:00
Teresa Johnson eb0ac24172 [ThinLTO] Revert part of r289843 that belonged to another patch.
The code change for D27687 accidentally got committed along with the
main change in r289843. Revert it temporarily, so that I can recommit it
along with its test as intended.

llvm-svn: 289875
2016-12-15 21:39:42 +00:00
Eli Friedman 34505083c6 Don't combine a shuffle of two BUILD_VECTORs with duplicate elements.
Targets can't handle this case well in general; we often transform
a shuffle of two cheap BUILD_VECTORs to element-by-element insertion,
which is very inefficient.

Fixes https://llvm.org/bugs/show_bug.cgi?id=31364 . Partially
fixes https://llvm.org/bugs/show_bug.cgi?id=31301.

Differential Revision: https://reviews.llvm.org/D27787

llvm-svn: 289874
2016-12-15 21:36:59 +00:00
Devin Coughlin 64c01f7bef [analyzer] Add a new SVal to support pointer-to-member operations.
Add a new type of NonLoc SVal for C++ pointer-to-member operations. This SVal
supports both pointers to member functions and pointers to member data.

A patch by Kirill Romanenkov!

Differential Revision: https://reviews.llvm.org/D25475

llvm-svn: 289873
2016-12-15 21:27:06 +00:00
Sanjoy Das 6698c15cb6 [Verifier] Allow TBAA metadata on atomicrmw and atomiccmpxchg
This used to be allowed before r289402 by default (before r289402 you
could have TBAA metadata on any instruction), and while I'm not sure
that it helps, it does sound reasonable enough to not fail the verifier
and we have out-of-tree users who use this.

llvm-svn: 289872
2016-12-15 21:23:44 +00:00
Teresa Johnson 0c3f57b133 [ThinLTO] Remove stale comment (NFC)
This should have been removed with r288446.

llvm-svn: 289871
2016-12-15 20:53:31 +00:00
David L. Jones c4808b9e0a Add a class ASTRecordReader which wraps an ASTReader, a RecordData, and ModuleFile.
Summary:
When reading an ASTRecord, each RecordData is logically contained within a
single ModuleFile, and global(er) state is contained by a single ASTReader. This
means that any operations that read from a RecordData and reference an ASTReader
or a ModuleFile, will always reference the same ASTReader or ModuleFile.
ASTRecordReader groups these together so that parameters don't need to be
duplicated ad infinitum. Most uses of the Idx variable seem to be redunant
aliases as well, but I'll leave that for now.

Reviewers: rsmith

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D27784

llvm-svn: 289870
2016-12-15 20:53:26 +00:00
Ehsan Amiri 1aa3ef9268 [PPC] Use CHECK-DAG instead of CHECK in the testcase
This test is currently sensitive to scheduling. Using CHECK-DAG allows us to
preserve the main purpose of the test and remove this sensivity.

In preparation to commit Power9 processor model.

llvm-svn: 289869
2016-12-15 20:51:09 +00:00
Matt Arsenault 0b386360c5 AMDGPU: Fix asserting on returned tail calls
llvm-svn: 289868
2016-12-15 20:50:12 +00:00
Teresa Johnson 475b51a700 [ThinLTO] Thin link efficiency: skip candidate added later with higher threshold (NFC)
Summary:
Thin link efficiency improvement. After adding an importing candidate to
the worklist we might have later added it again with a higher threshold.
Skip it when popped from the worklist if we recorded a higher threshold
than the current worklist entry, it will get processed again at the
higher threshold when that entry is popped.

This required adding the summary's GUID to the worklist, so that it can
be used to query the recorded highest threshold for it when we pop from the
worklist.

Reviewers: mehdi_amini

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D27696

llvm-svn: 289867
2016-12-15 20:48:19 +00:00
Matt Arsenault 0e8a299f19 AMDGPU: Assembler support for vintrp instructions
llvm-svn: 289866
2016-12-15 20:40:20 +00:00
Michal Gorny 391f221df6 [test] Extend llvm_shlib_dir fix to unittests
Extend the fix from rL286952 to unittests. The fix added clang built
library directories (via llvm_shlib_dir) to LD_LIBRARY_PATH.
The previous logic has used llvm_libs_dir only which points to installed
LLVM when doing stand-alone builds.

The patch also removes the redundant win32 code that is no longer
necessary now that shlibdir is used unconditionally.

Differential Revision: https://reviews.llvm.org/D27812

llvm-svn: 289865
2016-12-15 20:31:08 +00:00
Hans Wennborg 603679849d Revert r289690 "[sanitizer] intercept bstring functions, patch by Kuang-che Wu (https://reviews.llvm.org/D27659)"
It breaks programs on Mac. See comments on the code review for details.

llvm-svn: 289864
2016-12-15 20:11:12 +00:00
Matthew Simpson 6a98bcfe33 [LV] Enable vectorization of loops with conditional stores by default
This patch sets the default value of the "-enable-cond-stores-vec" command line
option to "true".

Differential Revision: https://reviews.llvm.org/D27814

llvm-svn: 289863
2016-12-15 20:11:05 +00:00
Andrea Di Biagio f20c57eca9 [SimplifyCFG] Merge debug locations when hoisting an instruction from a then/else branch. NFC.
Now that a new API to merge debug locations has been committed at r289661 (see
review D26256 for more details), we can use it to "improve" the code added by
revision r280995.

Instead of nulling the debugloc of a commoned instruction, we use the 'merged'
debug location. At the moment, this is just a no functional change since
function `DILocation::getMergedLocation()` is just a stub and would always
return a null location.

Differential Revision: https://reviews.llvm.org/D27804

llvm-svn: 289862
2016-12-15 20:01:26 +00:00
Geoff Berry 66d1f0ff1f [LiveRangeEdit] Change eliminateDeadDef assert to if condition.
The assert could potentially fire (though no cases have been
encountered), so just check that the instruction we're handling
specially for rematerialization only has one def to begin with.

Reviewed by Wei Mi over email.

llvm-svn: 289861
2016-12-15 19:55:19 +00:00
Peter Collingbourne e089554c8f LibDriver: Allow resource files to be archive members.
It seems pointless to add a resource to an archive because it won't have
any symbols to link against (and link.exe doesn't have an equivalent of
--whole-archive), but lib.exe allows it for some reason.

llvm-svn: 289859
2016-12-15 19:37:46 +00:00
Zachary Turner 578113ffb7 Re-add the check for __has_attribute in StringLiteral.
llvm-svn: 289858
2016-12-15 19:33:31 +00:00
Boris Ulasevich b76f6c2745 BrainF example: fixing segfault caused by outdated code with missing MCJIT dependency
Differential Revision: https://reviews.llvm.org/D26280

llvm-svn: 289857
2016-12-15 19:29:42 +00:00
Zachary Turner b0aa31bb25 Ignore -Wgcc-compat diagnostic in StringLiteral.
llvm-svn: 289856
2016-12-15 19:22:58 +00:00
Sanjay Patel d640641a61 [InstCombine] add folds for icmp (smin X, Y), X
Min/max canonicalization (r287585) exposes the fact that we're missing combines for min/max patterns. 
This patch won't solve the example that was attached to that thread, so something else still needs fixing.

The line between InstCombine and InstSimplify gets blurry here because sometimes the icmp instruction that
we want to fold to already exists, but sometimes it's the swapped form of what we want.

Corresponding changes for smax/umin/umax to follow.

Differential Revision: https://reviews.llvm.org/D27531

llvm-svn: 289855
2016-12-15 19:13:37 +00:00
Reid Kleckner e793966d80 Fix some remaining documentation references to MSVC 2013
MSVC 2015 has been the minimum supported version of VS since October.

Differential Revision: https://reviews.llvm.org/D25710

llvm-svn: 289854
2016-12-15 19:08:02 +00:00
Zachary Turner 182b4652e5 [StringRef] Add enable-if to StringLiteral.
to prevent StringLiteral from being created with a non-literal
char array, clang has a macro enable_if() that can be used
in such a way as to guarantee that the constructor is disabled
unless the length fo the string can be computed at compile time.

This only works on clang, but at least it should allow bots
to catch abuse of StringLiteral.

Differential Revision: https://reviews.llvm.org/D27780

llvm-svn: 289853
2016-12-15 19:02:43 +00:00
Saleem Abdulrasool c9dcfc5182 xray: fix assembly macro definition
projects/compiler-rt/lib/xray/xray_trampoline_x86_64.S:33:7: error: unexpected token in '.endm' directive
  .endm SAVE_REGISTERS
	^
  projects/compiler-rt/lib/xray/xray_trampoline_x86_64.S:52:7: error: unexpected token in '.endm' directive
  .endm RESTORE_REGISTERS
	^

Remove the trailing name on the `.endm` which does not take the name of the
macro.  This should bring the compiler-rt build bot back into working state.

llvm-svn: 289852
2016-12-15 18:54:27 +00:00
Saleem Abdulrasool 561117caba sanitizers: silence -pedantic warning
projects/compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep_new.cc:142:2: warning: extra ';' [-Wpedantic]
   };  // namespace
    ^

Identified by gcc 6.

llvm-svn: 289851
2016-12-15 18:54:25 +00:00
Mehdi Amini 9f10f34a6b Fix printf specifier handling: invalid specifier should not be marked as "consuming data arguments"
Reviewers: rsmith, bruno, dexonsmith

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D27796

llvm-svn: 289850
2016-12-15 18:54:00 +00:00
Kostya Serebryany 9a038c188c [libFuzzer] doc update
llvm-svn: 289849
2016-12-15 18:47:22 +00:00
Ahmed Bougacha 5228603387 [GlobalISel] Drop workaround for Legalizer member/class sharing a name. NFC.
MachineLegalizer used to be the name of both the class and the member,
causing GCC errors. r276522 fixed that by renaming the member to just
'Legalizer'.  The 'class' workaround isn't necessary anymore; drop it.

llvm-svn: 289848
2016-12-15 18:45:30 +00:00
Justin Lebar 3cf25461e0 [CUDA] Add --ptxas-path= flag.
Summary:
This lets you build with one CUDA installation but use ptxas from
another install.

This is useful e.g. if you want to avoid bugs in an old ptxas without
actually upgrading wholesale to a newer CUDA version.

Reviewers: tra

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D27788

llvm-svn: 289847
2016-12-15 18:44:57 +00:00
Sanjay Patel a97358bc8e [x86] use a single shufps for 256-bit vectors when it can save instructions
This is the 256-bit counterpart to the 128-bit transform checked in here:
https://reviews.llvm.org/rL289837

This patch is based on the draft by @sroland (Roland Scheidegger) that is
attached to PR27885:
https://llvm.org/bugs/show_bug.cgi?id=27885

llvm-svn: 289846
2016-12-15 18:43:46 +00:00
Matthew Simpson 2c8de192a1 [AArch64] Guard Misaligned 128-bit store penalty by subtarget feature
This patch checks that the SlowMisaligned128Store subtarget feature is set
when penalizing such stores in getMemoryOpCost.

Differential Revision: https://reviews.llvm.org/D27677

llvm-svn: 289845
2016-12-15 18:36:59 +00:00
Ahmed Bougacha 2a26a5f1f0 [AArch64][GlobalISel] Remove redundant RBI comments. NFC.
It's brittle, and Doxygen already picks the overriden method's comment
anyway.

llvm-svn: 289844
2016-12-15 18:22:15 +00:00
Teresa Johnson 1b859a2306 [ThinLTO] Ensure callees get hot threshold when first seen on cold path
This is split out from D27696, since it turned out to be a bug fix and
not part of the NFC efficiency change.

Keep the same adjusted (possibly decayed) threshold in both the worklist
and the ImportList. Otherwise if we encountered it first along a cold
path, the callee would be added to the worklist with a lower decayed
threshold than when it is later encountered along a hot path. But the
logic uses the threshold recorded in the ImportList entry to check if
we should re-add it, and without this patch the threshold recorded there
is the same along both paths so we don't re-add it. Using the
same possibly decayed threshold in the ImportList ensures we re-add it
later with the higher non-decayed hot path threshold.

llvm-svn: 289843
2016-12-15 18:21:01 +00:00
Chris Bieneman 1662da2832 [CMake] Ensure Python files are inside the LLDB framework bundle
When building the LLDB Framework we need to ensure that the Python files get put into the Framework before the Framework's install target can be invoked.

All files inside the Framework's Resources bundle will get copied over during the install action.

llvm-svn: 289842
2016-12-15 18:19:10 +00:00
Chris Bieneman 679d02f2a1 [CMake] Only support LLDB_BUILD_FRAMEWORK on CMake 3.7 and later
CMake's framework target generation was unable to generate POST_BUILD steps (see: https://gitlab.kitware.com/cmake/cmake/issues/16363).

It turns out working around this is really not reasonable. The more reasonable solution to me is just to not support LLDB.framework unless you are on CMake 3.7 or newer.

Since CMake 3.7.1 is released that's how I'm going to handle this.

llvm-svn: 289841
2016-12-15 18:18:47 +00:00
Chris Bieneman dc9b0db8e3 [CMake] Minor change to symlink generation for LLDB
If OUTPUT_DIR is not specified we can assume the symlink is linking to a file in the same directory, so we can use $<TARGET_FILE_NAME:${target}> to create a relative symlink.

In the case of LLDB, when we build a framework, we are creating symlinks in a different directory than the file we're pointing to, and we don't install those links. To make this work in the build directory we can use $<TARGET_FILE:${target}> instead, which uses the full path to the target.

llvm-svn: 289840
2016-12-15 18:17:07 +00:00
Ahmed Bougacha 24f5776216 [Driver] Bump default x86 cpu to Penryn when targeting macosx10.12+.
10.12 dropped support for all pre-Penryn Macs.

llvm-svn: 289839
2016-12-15 18:14:27 +00:00
Kostya Kortchinsky 47be0edfa3 [scudo] Use DefaultSizeClassMap for 32-bit
Summary:
With the recent changes to the Secondary, we use less bits for UnusedBytes,
which allows us in return to increase the bits used for Offset. That means
that we can use a Primary SizeClassMap allowing for a larger maximum size.

Reviewers: kcc, alekseyshl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D27816

llvm-svn: 289838
2016-12-15 18:06:55 +00:00
Sanjay Patel a0d8a278a7 [x86] use a single shufps when it can save instructions
This is a tiny patch with a big pile of test changes.
This partially fixes PR27885:
https://llvm.org/bugs/show_bug.cgi?id=27885

My motivating case looks like this:

  - vpshufd {{.*#+}} xmm1 = xmm1[0,1,0,2]
  - vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
  - vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5,6,7]

  + vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]

And this happens several times in the diffs. For chips with domain-crossing penalties,
the instruction count and size reduction should usually overcome any potential 
domain-crossing penalty due to using an FP op in a sequence of int ops. For chips such
as recent Intel big cores and Atom, there is no domain-crossing penalty for shufps, so
using shufps is a pure win.

So the test case diffs all appear to be improvements except one test in 
vector-shuffle-combining.ll where we miss an opportunity to use a shift to generate 
zero elements and one test in combine-sra.ll where multiple uses prevent the expected
shuffle combining.

Differential Revision: https://reviews.llvm.org/D27692

llvm-svn: 289837
2016-12-15 18:03:38 +00:00
Kelvin Li 51336dd0b4 Fix typo in comment. NFC.
llvm-svn: 289836
2016-12-15 17:55:32 +00:00
Mike Aizatsky 94752697ee [sanitizers] dont dump coverage if not asked to
llvm-svn: 289835
2016-12-15 17:30:58 +00:00
Simon Pilgrim 7522f54feb [X86][SSE] Fix domains for scalar store instructions
As discussed on D27692

llvm-svn: 289834
2016-12-15 17:09:24 +00:00
Robert Lougher 6ea759a83e Revert "[SimplifyCFG] In sinkLastInstruction correctly set debugloc of common inst"
Reverting as it is causing buildbot failures (address sanitizer).

llvm-svn: 289833
2016-12-15 16:59:13 +00:00
Jacques Pienaar ccffe38352 [lanai] Simplify small section check in LowerGlobalAddress and treat ldata sections specially.
Move the check for the code model into isGlobalInSmallSectionImpl and return false (not in small section) for variables placed in sections prefixed with .ldata (workaround for a tool limitation).

llvm-svn: 289832
2016-12-15 16:56:16 +00:00
Kuba Mracek 659949cb03 [tsan] Add interceptor for libcxx __shared_count::__release_shared()
We already have an interceptor for __shared_weak_count::__release_shared, this patch handles __shared_count::__release_shared in the same way. This should get rid of TSan false positives when using std::future.

Differential Revision: https://reviews.llvm.org/D27797

llvm-svn: 289831
2016-12-15 16:45:28 +00:00
Simon Pilgrim ba46422694 [X86][AVX512] Moved instruction domain lookups to the right table. NFCI.
Avoid duplicating instructions in the int32/int64 domains.

llvm-svn: 289830
2016-12-15 16:38:51 +00:00
Saleem Abdulrasool 05b8fde8ee CodeGen: ubsan is built static on windows, give handlers local storage
The UBSAN runtime is built static on Windows.  This requires that we give local
storage always.  This impacts Windows where the linker would otherwise have to
generate a thunk to access the symbol via the IAT.  This should repair the
windows clang build bots.

llvm-svn: 289829
2016-12-15 16:30:20 +00:00
Robert Lougher cf17674211 [SimplifyCFG] In sinkLastInstruction correctly set debugloc of "common" inst
Simplify CFG will try to sink the last instruction in a series of basic blocks,
creating a "common" instruction in the successor block (sinkLastInstruction).
When it does this, the debug location of the single instruction should be the
merged debug locations of the commoned instructions.

Differential Revision: https://reviews.llvm.org/D27590

llvm-svn: 289828
2016-12-15 16:17:53 +00:00
George Rimar 6cbfce7785 [ELF] - Make LLD accept Ttext-segment X/Ttext-segment=X aliases for -Ttext.
It os used in work/emulators/qemu-user-static port.
Which tries to use -Ttext-segment and then:

# In case ld does not support -Ttext-segment, edit the default linker
# script via sed to set the .text start addr.  This is needed on FreeBSD
# at least.
<here it calls -verbose to extract and edit default bfd linker script.>

Actually now we are do not fully support -Ttext properly (see D27613),
but we also seems never will provide anything close to default script, like bfd do,
so at least this patch introduces proper alias handling.

llvm-svn: 289827
2016-12-15 16:12:34 +00:00