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Simon Pilgrim [Fri, 1 Dec 2017 13:25:54 +0000 (13:25 +0000)]
[X86][AVX512] Tag vshift/vpermv/pshufd/pshufb instructions scheduler classes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319540
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Mikael Holmen [Fri, 1 Dec 2017 13:11:39 +0000 (13:11 +0000)]
Revert r319537: Bail out of a SimplifyCFG switch table opt at undef values.
Broke build bots so reverting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319539
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Florian Hahn [Fri, 1 Dec 2017 12:34:16 +0000 (12:34 +0000)]
[InstSimplify] More fcmp cases when comparing against negative constants.
Summary:
For known positive non-zero value X:
fcmp uge X, -C => true
fcmp ugt X, -C => true
fcmp une X, -C => true
fcmp oeq X, -C => false
fcmp ole X, -C => false
fcmp olt X, -C => false
Patch by Paul Walker.
Reviewers: majnemer, t.p.northover, spatel, RKSimon
Reviewed By: spatel
Subscribers: fhahn, llvm-commits
Differential Revision: https://reviews.llvm.org/D40012
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319538
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Mikael Holmen [Fri, 1 Dec 2017 12:30:49 +0000 (12:30 +0000)]
Bail out of a SimplifyCFG switch table opt at undef values.
Summary:
A true or false result is expected from a comparison, but it seems the possibility of undef was overlooked, which could lead to a failed assert. This is fixed by this patch by bailing out if we encounter undef.
The bug is old and the assert has been there since the end of 2014, so it seems this is unusual enough to forego optimization.
Patch by: JesperAntonsson
Reviewers: spatel, eeckstein, hans
Reviewed By: hans
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D40639
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319537
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Nemanja Ivanovic [Fri, 1 Dec 2017 12:02:59 +0000 (12:02 +0000)]
Follow-up to r319434 to turn the pass on by default
Now that the patch has gone through the buildbot cycle,
turn it on by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319535
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Alexander Timofeev [Fri, 1 Dec 2017 11:56:34 +0000 (11:56 +0000)]
[AMDGPU] SiFixSGPRCopies should not modify non-divergent PHI
Differential revision: https://reviews.llvm.org/D40556
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319534
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Pavel Labath [Fri, 1 Dec 2017 11:41:07 +0000 (11:41 +0000)]
[cmake] Enable zlib support on windows
Summary:
zlib support was hard-wired to off for (non-cygwin) windows targets.
This disables some features, such as reading debug info from compressed
dwarf sections.
This has been this way since zlib support was added in 2013 (r180083),
but there is no obvious reason for that. Zlib is perfectly capable of
being compiled for windows (it even has a cmake file that works out of
the box).
This enables one to turn on zlib support on windows, if one has zlib
avaliable.
Reviewers: rnk, beanz
Subscribers: mgorny, aprantl, llvm-commits
Differential Revision: https://reviews.llvm.org/D40655
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319533
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Dinar Temirbulatov [Fri, 1 Dec 2017 11:10:47 +0000 (11:10 +0000)]
[SLPVectorizer] Failure to beneficially vectorize 'copyable' elements in integer binary ops.
Patch tries to improve vectorization of the following code:
void add1(int * __restrict dst, const int * __restrict src) {
*dst++ = *src++;
*dst++ = *src++ + 1;
*dst++ = *src++ + 2;
*dst++ = *src++ + 3;
}
Allows to vectorize even if the very first operation is not a binary add, but just a load.
Fixed issues related to previous commit.
Reviewers: spatel, mzolotukhin, mkuper, hfinkel, RKSimon, filcab, ABataev
Reviewed By: ABataev, RKSimon
Subscribers: llvm-commits, RKSimon
Differential Revision: https://reviews.llvm.org/D28907
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319531
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Jonas Devlieghere [Fri, 1 Dec 2017 10:49:47 +0000 (10:49 +0000)]
[lit] Don't enable LSan on Darwin for Apple clang 9.0.0
The latest clang that ships with Xcode (clang 900 or 9.0.0) does not
support LSan. This fixes the lit configuration to reflect that.
Differential revision: https://reviews.llvm.org/D40672
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319530
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Ying Yi [Fri, 1 Dec 2017 09:54:27 +0000 (09:54 +0000)]
[lit] Implement non-pipelined ‘mkdir’, ‘diff’ and ‘rm’ commands internally
Summary:
The internal shell already supports 'cd', ‘export’ and ‘echo’ commands.
This patch adds implementation of non-pipelined ‘mkdir’, ‘diff’ and ‘rm’
commands as the internal shell builtins.
Reviewed by: Zachary Turner, Reid Kleckner
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D39567
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319528
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Volkan Keles [Fri, 1 Dec 2017 08:19:10 +0000 (08:19 +0000)]
GlobalISel: Enable the legalization of G_MERGE_VALUES and G_UNMERGE_VALUES
Summary: LegalizerInfo assumes all G_MERGE_VALUES and G_UNMERGE_VALUES instructions are legal, so it is not possible to legalize vector operations on illegal vector types. This patch fixes the problem by removing the related check and adding default actions for G_MERGE_VALUES and G_UNMERGE_VALUES.
Reviewers: qcolombet, ab, dsanders, aditya_nandakumar, t.p.northover, kristof.beyls
Reviewed By: dsanders
Subscribers: rovka, javed.absar, igorb, llvm-commits
Differential Revision: https://reviews.llvm.org/D39823
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319524
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Hiroshi Inoue [Fri, 1 Dec 2017 06:05:05 +0000 (06:05 +0000)]
Recommit rL319407: [SROA] enable splitting for non-whole-alloca loads and stores
Recommiting once reverted patch rL319407 after adding a check for bit vector size to avoid failures in some build bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319522
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Craig Topper [Fri, 1 Dec 2017 06:02:02 +0000 (06:02 +0000)]
[X86] Custom legalize v2i32 gathers via widening rather than promoting.
The default legalization for v2i32 is promotion to v2i64. This results in a gather that reads 64-bit elements rather than 32. If one of the elements is near a page boundary this can cause an illegal access that can fault.
We also miscalculate the scale for the gather which is an even worse problem, but we probably could have found a separate way to fix that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319521
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Craig Topper [Fri, 1 Dec 2017 06:02:00 +0000 (06:02 +0000)]
[X86][SelectionDAG] Make sure we explicitly sign extend the index when type promoting the index of scatter and gather.
Type promotion makes no guarantee about the contents of the promoted bits. Since the gather/scatter instruction will use the bits to calculate addresses, we need to ensure they aren't garbage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319520
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Craig Topper [Fri, 1 Dec 2017 06:01:59 +0000 (06:01 +0000)]
[X86] Add another v2i32 gather test case with v2i64 index that wasn't sign extended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319519
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Craig Topper [Fri, 1 Dec 2017 02:49:07 +0000 (02:49 +0000)]
[X86] Add a DAG combine to simplify masks for AVX2 gather instructions.
AVX2 gathers only use the upper bit of the mask allowing us to simplify sign_extend_inreg to a shift left.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319514
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Adam Nemet [Fri, 1 Dec 2017 01:44:26 +0000 (01:44 +0000)]
[cmake] Expose opt-viewer availability
This will be used in https://github.com/apple/swift/pull/12938
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319511
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Sam Clegg [Fri, 1 Dec 2017 01:18:47 +0000 (01:18 +0000)]
[WebAssembly] Update MC tests now that hidden attr is supported
Summary:
Support was added in rL319488 but these tests were not
updated.
Subscribers: jfb, dschuff, jgravelle-google, aheejin, sunfish
Differential Revision: https://reviews.llvm.org/D40693
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319510
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Jake Ehrlich [Fri, 1 Dec 2017 00:54:28 +0000 (00:54 +0000)]
Add flag to ArchiveWriter to test GNU64 format more efficiently
Even with the sparse file optimizations the SYM64 test can still be painfully
slow. This unnecessarily slows down devs. It's critical that we test that the
switch to the SYM64 format occurs at 4GB but there isn't any better of a way to
fake the size of the file than sparse files. This change introduces a flag that
allows the cutoff to be arbitrarily set to whatever power of two is desired.
The flag is hidden as it really isn't meant to be used outside this one test.
This is unfortunate but appears necessary, at least until the average hard
drive is much faster.
The changes to the test require some explanation. Prior to this change we knew
that the SYM64 format was being used because the file was simply too large to
have validly handled this case if the SYM64 format were not used. To ensure
that the SYM64 format is still being used I am grepping the file for "SYM64".
Without changing the filename however this would be pointless because "SYM64"
would occur in the file either way. So the filename of the test is also changed
in order to avoid this issue.
Differential Revision: https://reviews.llvm.org/D40632
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319507
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Zachary Turner [Fri, 1 Dec 2017 00:53:10 +0000 (00:53 +0000)]
Mark all library options as hidden.
These command line options are not intended for public use, and often
don't even make sense in the context of a particular tool anyway. About
90% of them are already hidden, but when people add new options they
forget to hide them, so if you were to make a brand new tool today, link
against one of LLVM's libraries, and run tool -help you would get a
bunch of junk that doesn't make sense for the tool you're writing.
This patch hides these options. The real solution is to not have
libraries defining command line options, but that's a much larger effort
and not something I'm prepared to take on.
Differential Revision: https://reviews.llvm.org/D40674
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319505
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Hans Wennborg [Thu, 30 Nov 2017 23:47:30 +0000 (23:47 +0000)]
docs/GettingStarted.rst: Update the list of release versions and tags
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319502
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Matt Arsenault [Thu, 30 Nov 2017 23:42:30 +0000 (23:42 +0000)]
AMDGPU: Use carry-less adds in FI elimination
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319501
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Peter Collingbourne [Thu, 30 Nov 2017 23:05:52 +0000 (23:05 +0000)]
ThinLTOBitcodeWriter: Try harder to discard unused references to the merged module.
If the thin module has no references to an internal global in the
merged module, we need to make sure to preserve that property if the
global is a member of a comdat group, as otherwise promotion can end
up adding global symbols to the comdat, which is not allowed.
This situation can arise if the external global in the thin module
has dead constant users, which would cause use_empty() to return
false and would cause us to try to promote it. To prevent this from
happening, discard the dead constant users before asking whether a
global is empty.
Differential Revision: https://reviews.llvm.org/D40593
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319494
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Zachary Turner [Thu, 30 Nov 2017 23:00:30 +0000 (23:00 +0000)]
Simplify the DenseSet used for hashing CodeView records.
This was storing the hash alongside the key so that the hash
doesn't need to be re-computed every time, but in doing so it
was allocating a structure to keep the key size small in the
DenseMap. This is a noble goal, but it also leads to a pointer
indirection on every probe, and this cost of this pointer
indirection ends up being higher than the cost of having a
slightly larger entry in the hash table. Removing this not only
simplifies the code, but yields a small but noticeable
performance improvement in the type merging algorithm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319493
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Matt Arsenault [Thu, 30 Nov 2017 22:51:26 +0000 (22:51 +0000)]
AMDGPU: Use gfx9 carry-less add/sub instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319491
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Reid Kleckner [Thu, 30 Nov 2017 22:41:21 +0000 (22:41 +0000)]
XOR the frame pointer with the stack cookie when protecting the stack
Summary: This strengthens the guard and matches MSVC.
Reviewers: hans, etienneb
Subscribers: hiraditya, JDevlieghere, vlad.tsyrklevich, llvm-commits
Differential Revision: https://reviews.llvm.org/D40622
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319490
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Sam Clegg [Thu, 30 Nov 2017 22:34:58 +0000 (22:34 +0000)]
Add visibility flag to Wasm symbol flags
The LLVM "hidden" flag needs to be passed through the Wasm
intermediate objects in order for the linker to apply
it to the final Wasm object.
The corresponding change in LLD is here: https://github.com/WebAssembly/lld/pull/14
Patch by Nicholas Wilson
Differential Revision: https://reviews.llvm.org/D40442
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319488
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Dan Gohman [Thu, 30 Nov 2017 22:13:13 +0000 (22:13 +0000)]
[memcpyopt] Commit file missed in r319482.
This change was meant to be included with r319482 but was accidentally
omitted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319483
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Dan Gohman [Thu, 30 Nov 2017 22:10:53 +0000 (22:10 +0000)]
[memcpyopt] Teach memcpyopt to optimize across basic blocks
This teaches memcpyopt to make a non-local memdep query when a local query
indicates that the dependency is non-local. This notably allows it to
eliminate many more llvm.memcpy calls in common Rust code, often by 20-30%.
Fixes PR28958.
Differential Revision: https://reviews.llvm.org/D38374
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319482
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Davide Italiano [Thu, 30 Nov 2017 22:10:35 +0000 (22:10 +0000)]
[InlineCost] Prefer getFunction() to two calls to getParent().
Improves clarity, also slightly cheaper. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319481
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Shoaib Meenai [Thu, 30 Nov 2017 21:48:26 +0000 (21:48 +0000)]
[llvm] Add stripped installation targets
CMake's generated installation scripts support `CMAKE_INSTALL_DO_STRIP`
to enable stripping the installed binaries. LLVM's build system doesn't
expose this option to the `install-` targets, but it's useful in
conjunction with `install-distribution`.
Add a new function to create the install targets, which creates both the
regular install target and a second install target that strips during
installation. Change the creation of all installation targets to use
this new function. Stripping doesn't make a whole lot of sense for some
installation targets (e.g. the LLVM headers), but consistency doesn't
hurt.
I'll make other repositories (e.g. clang, compiler-rt) use this in a
follow-up, and then add an `install-distribution-stripped` target to
actually accomplish the end goal of creating a stripped distribution. I
don't want to do that step yet because the creation of that target would
depend on the presence of the `install-*-stripped` target for each
distribution component, and the distribution components from other
repositories will be missing that target right now.
Differential Revision: https://reviews.llvm.org/D40620
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319480
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Krzysztof Parzyszek [Thu, 30 Nov 2017 21:25:28 +0000 (21:25 +0000)]
[Hexagon] Implement HexagonSubtarget::useAA()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319477
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Krzysztof Parzyszek [Thu, 30 Nov 2017 21:23:19 +0000 (21:23 +0000)]
[Hexagon] Fix wrong check in test/CodeGen/Hexagon/newvaluejump-solo.mir
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319476
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Daniel Sanders [Thu, 30 Nov 2017 21:05:59 +0000 (21:05 +0000)]
[globalisel][tablegen] Add support for relative AtomicOrderings
No test yet because the relevant rules are blocked on the atomic_load,
and atomic_store nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319475
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Krzysztof Parzyszek [Thu, 30 Nov 2017 20:39:15 +0000 (20:39 +0000)]
[Hexagon] Fix wrong pass in testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319471
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Krzysztof Parzyszek [Thu, 30 Nov 2017 20:32:54 +0000 (20:32 +0000)]
[Hexagon] Solo instructions cannot be used with new value jumps
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319470
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Yaxun Liu [Thu, 30 Nov 2017 20:27:56 +0000 (20:27 +0000)]
[AMDGPU] Convert test/tools/llvm-objdump/AMDGPU/source-lines.ll to amdgiz
Differential Revision: https://reviews.llvm.org/D40653
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319469
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Craig Topper [Thu, 30 Nov 2017 20:15:31 +0000 (20:15 +0000)]
[X86] Promote i8 CTPOP to i32 instead of i16 when we have the POPCNT instruction.
The 32-bit version is shorter to encode and the zext we emit for the promotion is likely going to be a 32-bit zero extend anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319468
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Jake Ehrlich [Thu, 30 Nov 2017 20:14:53 +0000 (20:14 +0000)]
[llvm-objcopy] Add support for --only-keep/-j and --keep
This change adds support for the --only-keep option and the -j alias as well.
A common use case for these being used together is to dump a specific section's
data. Additionally the --keep option is added (GNU objcopy doesn't have this)
to avoid removing a bunch of things. This allows people to err on the side of
stripping aggressively and then to keep the specific bits that they need for
their application.
Differential Revision: https://reviews.llvm.org/D39021
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319467
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Daniel Sanders [Thu, 30 Nov 2017 20:11:42 +0000 (20:11 +0000)]
[aarch64][globalisel] Legalize G_ATOMIC_CMPXCHG_WITH_SUCCESS and G_ATOMICRMW_*
G_ATOMICRMW_* is generally legal on AArch64. The exception is G_ATOMICRMW_NAND.
G_ATOMIC_CMPXCHG_WITH_SUCCESS needs to be lowered to G_ATOMIC_CMPXCHG with an
external comparison.
Note that IRTranslator doesn't generate these instructions yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319466
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Amara Emerson [Thu, 30 Nov 2017 20:06:02 +0000 (20:06 +0000)]
[GlobalISel][IRTranslator] Fix crash during translation of zero sized loads/stores/args/returns.
This fixes PR35358.
rdar://
35619533
Differential Revision: https://reviews.llvm.org/D40604
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319465
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Xinliang David Li [Thu, 30 Nov 2017 19:16:25 +0000 (19:16 +0000)]
[PGO] Skip counter promotion for infinite loops
Differential Revision: http://reviews.llvm.org/D40662
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319462
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Michal Gorny [Thu, 30 Nov 2017 19:09:22 +0000 (19:09 +0000)]
[cmake] Include project name in Sphinx doctree dir to fix race conditions
Modify add_sphinx_target() to include the project name alongside builder
in Sphinx doctree directory. This aims to avoid crashes due to race
conditions between multiple Sphinx instances running in parallel that
attempt to create or read that directory simultaneously.
This problem has originally been addressed in r283188. However, that
commit presumed that there will be only one target per builder being
run. However, r314863 introduced a second manpage target, reintroducing
the race condition.
Differential Revision: https://reviews.llvm.org/D40656
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319461
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Daniel Sanders [Thu, 30 Nov 2017 18:48:35 +0000 (18:48 +0000)]
[globalisel][tablegen] Add support for specific immediates in the match pattern
This enables a few rules such as ARM's uxtb instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319457
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Zachary Turner [Thu, 30 Nov 2017 18:39:50 +0000 (18:39 +0000)]
Split TypeTableBuilder into two classes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319456
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Zachary Turner [Thu, 30 Nov 2017 18:33:34 +0000 (18:33 +0000)]
[llvm-readobj] Fix mismatched line endings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319453
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Dan Gohman [Thu, 30 Nov 2017 18:16:49 +0000 (18:16 +0000)]
[WebAssembly] Revert r319186 "Support bitcasted function addresses with varargs."
The patch broke Emscripten's EM_ASM macros, which utiltize unprototyped
functions.
See https://bugs.llvm.org/show_bug.cgi?id=35385 for details.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319452
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Francis Visoiu Mistrih [Thu, 30 Nov 2017 16:48:53 +0000 (16:48 +0000)]
[MIR] Fix DebugInfo tests after r319445
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319447
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Francis Visoiu Mistrih [Thu, 30 Nov 2017 16:12:24 +0000 (16:12 +0000)]
[CodeGen] Always use `printReg` to print registers in both MIR and debug
output
As part of the unification of the debug format and the MIR format,
always use `printReg` to print all kinds of registers.
Updated the tests using '_' instead of '%noreg' until we decide which
one we want to be the default one.
Differential Revision: https://reviews.llvm.org/D40421
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319445
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Igor Laevsky [Thu, 30 Nov 2017 15:41:58 +0000 (15:41 +0000)]
[FuzzMutate] Bailout from injecting into empty basic blocks.
In rare cases we can receive request to inject into completelly empty basic block. In the normal case
all basic blocks contain at least terminator instruction, but it is possible that the only instruction is
catchpad instruction which is not part of the instruction iterator. This case seems rare enough to not care
about it.
Submiting without review, since it seems almost NFC. I couldn't come up with any reasonable way to test this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319444
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Igor Laevsky [Thu, 30 Nov 2017 15:31:13 +0000 (15:31 +0000)]
[FuzzMutate] Correctly handle vector types in the insertvalue operation
Differential Revision: https://reviews.llvm.org/D40397
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319442
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Igor Laevsky [Thu, 30 Nov 2017 15:29:16 +0000 (15:29 +0000)]
[FuzzMutate] Don't use index operands as sinks
Differential Revision: https://reviews.llvm.org/D40396
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319441
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Igor Laevsky [Thu, 30 Nov 2017 15:26:48 +0000 (15:26 +0000)]
[FuzzMutate] Pick correct index for the insertvalue instruction
Differential Revision: https://reviews.llvm.org/D40395
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319440
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Igor Laevsky [Thu, 30 Nov 2017 15:24:41 +0000 (15:24 +0000)]
[FuzzMutate] Don't create load as a new source if it doesn't match with the descriptor
Differential Revision: https://reviews.llvm.org/D40394
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319439
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Igor Laevsky [Thu, 30 Nov 2017 15:07:38 +0000 (15:07 +0000)]
[FuzzMutate] Don't crash when we can't remove instruction from empty function
Differential Revision: https://reviews.llvm.org/D40393
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319438
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Sanjay Patel [Thu, 30 Nov 2017 14:59:03 +0000 (14:59 +0000)]
[LangRef] clarify semantics of the frem instruction
As noted in D40594, the frem instruction corresponds to fmod() except that it can't set errno.
I modified the text that we currently use for intrinsics that map to libm functions and applied
it to frem.
Differential Revision: https://reviews.llvm.org/D40629
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319437
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Alexey Bataev [Thu, 30 Nov 2017 14:33:58 +0000 (14:33 +0000)]
[InstCombine] Additional test for PR35354, NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319436
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Nemanja Ivanovic [Thu, 30 Nov 2017 13:39:10 +0000 (13:39 +0000)]
[PowerPC] Recommit r314244 with refactoring and off by default
This re-commits everything that was pulled in r314244. The transformation
is off by default (patch to enable it to follow). The code is refactored
to have a single entry-point and provide fine-grained control over patterns
that it selects. This patch also fixes the bugs in the original code.
Everything that failed with the original patch has been re-tested with this
patch (with the transformation turned on). So the patch to turn this on is
soon to follow.
Differential Revision: https://reviews.llvm.org/D38575
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319434
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Simon Pilgrim [Thu, 30 Nov 2017 13:18:06 +0000 (13:18 +0000)]
[X86][AVX512] Tag fcmp/ptest/ternlog instructions scheduler classes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319433
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Simon Pilgrim [Thu, 30 Nov 2017 13:09:21 +0000 (13:09 +0000)]
[X86][AVX512] Regenerate avx512 schedule tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319432
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Sean Eveson [Thu, 30 Nov 2017 13:05:14 +0000 (13:05 +0000)]
[MC] Function stack size section.
Re applying after fixing issues in the diff, sorry for any painful conflicts/merges!
Original RFC: http://lists.llvm.org/pipermail/llvm-dev/2017-August/117028.html
This change adds a '.stack-size' section containing metadata on function stack sizes to output ELF files behind the new -stack-size-section flag. The section contains pairs of function symbol references (8 byte) and stack sizes (unsigned LEB128).
The contents of this section can be used to measure changes to stack sizes between different versions of the compiler or a source base. The advantage of having a section is that we can extract this information when examining binaries that we didn't build, and it allows users and tools easy access to that information just by referencing the binary.
There is a follow up change to add an option to clang.
Thanks.
Reviewers: hfinkel, MatzeB
Reviewed By: MatzeB
Subscribers: thegameg, asb, llvm-commits
Differential Revision: https://reviews.llvm.org/D39788
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319430
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Sean Eveson [Thu, 30 Nov 2017 12:43:25 +0000 (12:43 +0000)]
Revert r319423: [MC] Function stack size section.
I messed up the diff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319429
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Diana Picus [Thu, 30 Nov 2017 12:23:44 +0000 (12:23 +0000)]
[ARM GlobalISel] Bail out for byval
Fallback if we have a byval parameter or argument since we don't support
them yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319428
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Francis Visoiu Mistrih [Thu, 30 Nov 2017 12:12:19 +0000 (12:12 +0000)]
[CodeGen] Print "%vreg0" as "%0" in both MIR and debug output
As part of the unification of the debug format and the MIR format, avoid
printing "vreg" for virtual registers (which is one of the current MIR
possibilities).
Basically:
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E "s/%vreg([0-9]+)/%\1/g"
* grep -nr '%vreg' . and fix if needed
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E "s/ vreg([0-9]+)/ %\1/g"
* grep -nr 'vreg[0-9]\+' . and fix if needed
Differential Revision: https://reviews.llvm.org/D40420
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319427
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Simon Pilgrim [Thu, 30 Nov 2017 12:01:52 +0000 (12:01 +0000)]
[X86][AVX512] Tag binop/rounding/sae instructions scheduler classes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319424
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Sean Eveson [Thu, 30 Nov 2017 12:01:16 +0000 (12:01 +0000)]
[MC] Function stack size section.
Summary:
Original RFC: http://lists.llvm.org/pipermail/llvm-dev/2017-August/117028.html
I wasn't sure who to put as reviewers, so please add/remove people as appropriate.
This change adds a '.stack-size' section containing metadata on function stack sizes to output ELF files behind the new -stack-size-section flag. The section contains pairs of function symbol references (8 byte) and stack sizes (unsigned LEB128).
The contents of this section can be used to measure changes to stack sizes between different versions of the compiler or a source base. The advantage of having a section is that we can extract this information when examining binaries that we didn't build, and it allows users and tools easy access to that information just by referencing the binary.
There is a follow up change to add an option to clang.
Thanks.
Reviewers: hfinkel, MatzeB
Reviewed By: MatzeB
Subscribers: thegameg, asb, llvm-commits
Differential Revision: https://reviews.llvm.org/D39788
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319423
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Sam Parker [Thu, 30 Nov 2017 11:49:11 +0000 (11:49 +0000)]
[DAGCombine] Refactor ReduceLoadWidth
visitAND attempts to narrow the width of extending loads that are
then masked off. ReduceLoadWidth already exists for a similar purpose
and handles shifts, so I've moved the code to handle AND nodes there.
Differential Revision: https://reviews.llvm.org/D39595
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319421
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Serge Guelton [Thu, 30 Nov 2017 11:06:22 +0000 (11:06 +0000)]
Support generic lowering of vector bswap
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319419
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Simon Pilgrim [Thu, 30 Nov 2017 10:48:47 +0000 (10:48 +0000)]
[X86][AVX512] Tag RCP/RSQRT/GETEXP instructions scheduler classes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319418
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Jonas Devlieghere [Thu, 30 Nov 2017 10:41:31 +0000 (10:41 +0000)]
[dsymutil] Exclude namespace from ifdef in CFBundle
Should fix build failure introduced by r319416 on non-darwin hosts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319417
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Jonas Devlieghere [Thu, 30 Nov 2017 10:25:28 +0000 (10:25 +0000)]
[dsymutil] Upstream getBundleInfo implementation
This patch implements `getBundleInfo`, which uses CoreFoundation to
obtain information about the CFBundle. This information is needed to
populate the Plist in the dSYM bundle.
This change only applies to darwin and is an NFC as far as other
platforms are concerned.
Differential revision: https://reviews.llvm.org/D40244
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319416
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Hiroshi Inoue [Thu, 30 Nov 2017 08:29:51 +0000 (08:29 +0000)]
Revert rL319407: [SROA] enable splitting for non-whole-alloca loads and stores
This reverts commit rL319407 due to failures in some buildbot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319410
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Jonas Paulsson [Thu, 30 Nov 2017 08:18:50 +0000 (08:18 +0000)]
[SystemZ] Bugfix in adjustSubwordCmp.
Csmith generated a program where a store after load to the same address did
not get chained after the new load created during DAG legalizing, and so
performed an illegal overwrite of the expected value.
When the new zero-extending load is created, the chain users of the original
load must be updated, which was not done previously.
A similar case was also found and handled in lowerBITCAST.
Review: Ulrich Weigand
https://reviews.llvm.org/D40542
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319409
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Hiroshi Inoue [Thu, 30 Nov 2017 07:44:46 +0000 (07:44 +0000)]
[SROA] enable splitting for non-whole-alloca loads and stores
Currently, SROA splits loads and stores only when they are accessing the whole alloca.
This patch relaxes this limitation to allow splitting a load/store if all other loads and stores to the alloca are disjoint to or fully included in the current load/store. If there is no other load or store that crosses the boundary of the current load/store, the current splitting implementation works as is.
The whole-alloca loads and stores meet this new condition and so they are still splittable.
Here is a simplified motivating example.
struct record {
long long a;
int b;
int c;
};
int func(struct record r) {
for (int i = 0; i < r.c; i++)
r.b++;
return r.b;
}
When updating r.b (or r.c as well), LLVM generates redundant instructions on some platforms (such as x86_64, ppc64); here, r.b and r.c are packed into one 64-bit GPR when the struct is passed as a method argument.
With this patch, the above example is compiled into only few instructions without loop.
Without the patch, unnecessary loop-carried dependency is introduced by SROA and the loop cannot be eliminated by the later optimizers.
Differential Revision: https://reviews.llvm.org/D32998
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319407
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Craig Topper [Thu, 30 Nov 2017 07:01:40 +0000 (07:01 +0000)]
[X86] Optimize avx2 vgatherqps for v2f32 with v2i64 index type.
Normal type legalization will widen everything. This requires forcing 0s into the mask register. We can instead choose the form that only reads 2 elements without zeroing the mask.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319406
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Craig Topper [Thu, 30 Nov 2017 06:31:31 +0000 (06:31 +0000)]
[X86] Make sure we don't remove sign extends of masks with AVX2 masked gathers.
We don't use k-registers and instead use the MSB so we need to make sure we sign extend the mask to the msb.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319405
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Dean Michael Berris [Thu, 30 Nov 2017 05:35:51 +0000 (05:35 +0000)]
[XRay][docs] Update documentation on new default for xray_naive_log=
We've recently changed the default for `xray_naive_log=` to be `false`
instead of `true` to make it more consistent with the FDR mode logging
implementation. This means we will now ask users to explicitly choose
which version of the XRay logging is being used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319400
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Graham Yiu [Thu, 30 Nov 2017 03:36:57 +0000 (03:36 +0000)]
- Removed unused lamba (IsReturnBlock) causing build bots to fail for r319398
- Added lit testcases that were supposed to be part of r319398
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319399
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Graham Yiu [Thu, 30 Nov 2017 02:41:36 +0000 (02:41 +0000)]
With PGO information, we can do more aggressive outlining of cold regions in the inline candidate function. This contrasts with the scheme of keeping only the 'early return' portion of the inline candidate and outlining the rest of the function as a single function call.
Support for outlining multiple regions of each function is added, as well as some basic heuristics to determine which regions are good to outline. Outline candidates limited to regions that are single-entry & single-exit. We also avoid outlining regions that produce live-exit variables, which may inhibit some forms of code motion (like commoning).
Fallback to the regular partial inlining scheme is retained when either i) no regions are identified for outlining in the function, or ii) the outlined function could not be inlined in any of its callers.
Differential Revision: https://reviews.llvm.org/D38190
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319398
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Kostya Serebryany [Thu, 30 Nov 2017 02:26:47 +0000 (02:26 +0000)]
[libFuzzer] mention one more trophie in the Linux Kernel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319397
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Matt Arsenault [Thu, 30 Nov 2017 00:52:40 +0000 (00:52 +0000)]
AMDGPU: Allow negative MUBUF vaddr for gfx9
GFX9 does not enable bounds checking for the resource descriptors
used for private access, so it should be OK to use vaddr with
a potentially negative value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319393
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Rafael Espindola [Thu, 30 Nov 2017 00:44:22 +0000 (00:44 +0000)]
Check alignment in getSectionContentsAsArray.
While the ArrayRef can technically have unaligned data, it would be
extremely surprising if iterating over it caused undefined behavior
when a reference to the underlying type was bound.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319392
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Vedant Kumar [Thu, 30 Nov 2017 00:28:23 +0000 (00:28 +0000)]
[Coverage] Use the most-recent completed region count (PR35437)
This is a fix for the coverage segment builder.
If multiple regions must be popped off the active stack at once, and
more than one of them end at the same location, emit a segment using the
count from the most-recent completed region.
Fixes PR35437, rdar://
35760630
Testing: invoked llvm-cov on a stage2 build of clang, additional unit
tests, check-profile
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319391
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Peter Collingbourne [Thu, 30 Nov 2017 00:27:08 +0000 (00:27 +0000)]
LowerTypeTests: Deduplicate code. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319390
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Peter Collingbourne [Thu, 30 Nov 2017 00:02:55 +0000 (00:02 +0000)]
LowerTypeTests: Remove unnecessary cast. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319387
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Craig Topper [Wed, 29 Nov 2017 23:08:25 +0000 (23:08 +0000)]
[X86] Remove some questionable looking code that seems to be looking through a VZEXT to create a larger VSEXT.
If the input the vzext was signed this would do the wrong thing.
Not sure how to test this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319382
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Joerg Sonnenberger [Wed, 29 Nov 2017 23:05:56 +0000 (23:05 +0000)]
First step towards more human-friendly PPC assembler output:
- add -ppc-reg-with-percent-prefix option to use %r3 etc as register
names
- split off logic for Darwinish verbose conditional codes into a helper
function
- be explicit about Darwin vs AIX vs GNUish assembler flavors
Based on the patch from Alexandre Yukio Yamashita
Differential Revision: https://reviews.llvm.org/D39016
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319381
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Sam Clegg [Wed, 29 Nov 2017 23:05:50 +0000 (23:05 +0000)]
[WebAssembly] Update test expectations for gcc torture tests
I believe these were recently fixed by:
https://reviews.llvm.org/rL319186
Differential Revision: https://reviews.llvm.org/D40619
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319380
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Zachary Turner [Wed, 29 Nov 2017 22:41:56 +0000 (22:41 +0000)]
[CodeView] Factor some code out of TypeTableBuilder.
This class had some code that would automatically remap type
indices before hashing and serializing. The only caller of
this method was the TypeStreamMerger anyway, and the method
doesn't make general sense, and prevents making certain future
improvements to the class. So, factoring this up one level
into the TypeStreamMerger where it belongs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319377
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Craig Topper [Wed, 29 Nov 2017 22:15:43 +0000 (22:15 +0000)]
[SelectionDAG][X86] Teach promotion legalization for fp_to_sint/fp_to_uint to insert an assertsext/assertzext based on the original type
If we put in an assertsext/zext here, we're able to generate better truncate code using pack on pre-avx512 targets.
Similar is already done during type legalization. This is the equivalent for op legalization
Differential Revision: https://reviews.llvm.org/D40591
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319368
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Dan Gohman [Wed, 29 Nov 2017 20:20:11 +0000 (20:20 +0000)]
[WebAssembly] Fix fptoui lowering bounds
To fully avoid trapping on wasm, fptoui needs a second check to ensure that
the operand isn't below the supported range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319354
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Sam Clegg [Wed, 29 Nov 2017 20:10:14 +0000 (20:10 +0000)]
Add libstd++-4.8 exceptions to ubsan_blacklist.txt
Differential Revision: https://reviews.llvm.org/D40589
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319353
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Krzysztof Parzyszek [Wed, 29 Nov 2017 19:59:29 +0000 (19:59 +0000)]
[Hexagon] Remove HexagonISD::PACKHL
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319352
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Krzysztof Parzyszek [Wed, 29 Nov 2017 19:58:10 +0000 (19:58 +0000)]
[Hexagon] Create helpers extractVector and insertVector in lowering
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319351
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Simon Pilgrim [Wed, 29 Nov 2017 19:37:38 +0000 (19:37 +0000)]
[X86][AVX512] Tag RCP/RSQRT/GETEXP instructions scheduler classes (REVERSION)
Accidental commit of incomplete patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319346
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Zachary Turner [Wed, 29 Nov 2017 19:35:21 +0000 (19:35 +0000)]
Make TypeTableBuilder inherit from TypeCollection.
A couple of places in LLD were passing references to
TypeTableCollections around, which makes it hard to change the
implementation at runtime. However, these cases only needed to
iterate over the types in the collection, and TypeCollection
already provides a handy abstract interface for this purpose.
By implementing this interface, we can get rid of the need to
pass TypeTableBuilder references around, which should allow us
to swap the implementation at runtime in subsequent patches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319345
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Zachary Turner [Wed, 29 Nov 2017 19:29:25 +0000 (19:29 +0000)]
Fix line endings in llvm-pdbutil.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319340
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Simon Pilgrim [Wed, 29 Nov 2017 19:19:59 +0000 (19:19 +0000)]
[X86][AVX512] Tag RCP/RSQRT/GETEXP instructions scheduler classes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319338
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Simon Pilgrim [Wed, 29 Nov 2017 18:52:20 +0000 (18:52 +0000)]
[X86][AVX512] Tag 3OP (shuffles, double-shifts and GFNI) instructions scheduler classes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319337
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Nirav Dave [Wed, 29 Nov 2017 18:06:13 +0000 (18:06 +0000)]
[ARM][DAG] Revert Disable post-legalization store merge for ARM
Partially reverting enabling of post-legalization store merge
(r319036) for just ARM backend as it is causing incorrect code
in some Thumb2 cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319331
91177308-0d34-0410-b5e6-
96231b3b80d8