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Fangrui Song [Sat, 27 Apr 2019 15:32:53 +0000 (15:32 +0000)]
[llvm-nm] Support section type 'u': STB_GNU_UNIQUE
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359380
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Simon Pilgrim [Sat, 27 Apr 2019 15:30:06 +0000 (15:30 +0000)]
[X86][SSE] Add initial test case for subvector insert/extract of illegal types
Suggested by @nikic on D59188
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359379
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Simon Pilgrim [Sat, 27 Apr 2019 13:35:32 +0000 (13:35 +0000)]
[X86][AVX] Merge mask select with shuffles across extract_subvector (PR40332)
Fixes PR40332 in the limited case where we're selecting between a target shuffle and a zero vector.
We can extend this in the future to handle more opcodes and non-zero selections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359378
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Andrea Di Biagio [Sat, 27 Apr 2019 11:59:11 +0000 (11:59 +0000)]
[MCA] Add field `IsEliminated` to class Instruction. NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359377
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Simon Atanasyan [Sat, 27 Apr 2019 09:28:54 +0000 (09:28 +0000)]
[cmake] Disable a GCC optimization when building LLVM for MIPS
GCC when compiling LLVM for MIPS can introduce a jump to an uninitialized
value when shrink wrapping is enabled. As shrink wrapping is enabled in
GCC at all optimization levels, it must be disabled. This bug exists for
all versions of GCC since 4.9.2.
This partially resolves PR37701 / GCC PR target/86069.
Patch by Simon Dardis.
Differential Revision: https://reviews.llvm.org/D48069
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359376
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Craig Topper [Sat, 27 Apr 2019 03:38:15 +0000 (03:38 +0000)]
[X86] Use MOVQ for i64 atomic_stores when SSE2 is enabled
Summary: If we have SSE2 we can use a MOVQ to store 64-bits and avoid falling back to a cmpxchg8b loop. If its a seq_cst store we need to insert an mfence after the store.
Reviewers: spatel, RKSimon, reames, jfb, efriedma
Reviewed By: RKSimon
Subscribers: hiraditya, dexonsmith, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60546
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359368
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Mark Searles [Sat, 27 Apr 2019 00:51:18 +0000 (00:51 +0000)]
Revert "AMDGPU: Split block for si_end_cf"
This reverts commit
7a6ef3004655dd86d722199c471ae78c28e31bb4.
We discovered some internal test failures, so reverting for now.
Differential Revision: https://reviews.llvm.org/D61213
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359363
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Stanislav Mekhanoshin [Fri, 26 Apr 2019 23:16:16 +0000 (23:16 +0000)]
[AMDGPU] gfx1010 VOPC implementation
Differential Revision: https://reviews.llvm.org/D61208
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359358
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Lang Hames [Fri, 26 Apr 2019 22:58:39 +0000 (22:58 +0000)]
[ORC] Add a 'plugin' interface to ObjectLinkingLayer for events/configuration.
ObjectLinkingLayer::Plugin provides event notifications when objects are loaded,
emitted, and removed. It also provides a modifyPassConfig callback that allows
plugins to modify the JITLink pass configuration.
This patch moves eh-frame registration into its own plugin, and teaches
llvm-jitlink to only add that plugin when performing execution runs on
non-Windows platforms. This should allow us to re-enable the test case that was
removed in r359198.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359357
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Jessica Paquette [Fri, 26 Apr 2019 21:53:13 +0000 (21:53 +0000)]
[GlobalISel][AArch64] Use getConstantVRegValWithLookThrough for extracts
getConstantVRegValWithLookThrough does the same thing as the
getConstantValueForReg function, and has more visibility across GISel. Plus, it
supports looking through G_TRUNC, G_SEXT, and G_ZEXT. So, we get better code
reuse and more functionality for free by using it.
Add some test cases to select-extract-vector-elt.mir to show that we can now
look through those instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359351
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Nick Desaulniers [Fri, 26 Apr 2019 18:45:04 +0000 (18:45 +0000)]
[AsmPrinter] refactor to support %c w/ GlobalAddress'
Summary:
Targets like ARM, MSP430, PPC, and SystemZ have complex behavior when
printing the address of a MachineOperand::MO_GlobalAddress. Move that
handling into a new overriden method in each base class. A virtual
method was added to the base class for handling the generic case.
Refactors a few subclasses to support the target independent %a, %c, and
%n.
The patch also contains small cleanups for AVRAsmPrinter and
SystemZAsmPrinter.
It seems that NVPTXTargetLowering is possibly missing some logic to
transform GlobalAddressSDNodes for
TargetLowering::LowerAsmOperandForConstraint to handle with "i" extended
inline assembly asm constraints.
Fixes:
- https://bugs.llvm.org/show_bug.cgi?id=41402
- https://github.com/ClangBuiltLinux/linux/issues/449
Reviewers: echristo, void
Reviewed By: void
Subscribers: void, craig.topper, jholewinski, dschuff, jyknight, dylanmckay, sdardis, nemanjai, javed.absar, sbc100, jgravelle-google, eraman, kristof.beyls, hiraditya, aheejin, kbarton, fedor.sergeev, jrtc27, atanasyan, jsji, llvm-commits, kees, tpimh, nathanchance, peter.smith, srhines
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60887
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359337
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Simon Pilgrim [Fri, 26 Apr 2019 18:02:14 +0000 (18:02 +0000)]
[X86][AVX] Fold extract_subvector(broadcast(x)) -> broadcast(x) iff x has one use
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359332
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Jessica Paquette [Fri, 26 Apr 2019 18:00:01 +0000 (18:00 +0000)]
[AArch64][GlobalISel] Select G_BSWAP for vectors of s32 and s64
There are instructions for these, so mark them as legal. Select the correct
instruction in AArch64InstructionSelector.cpp.
Update select-bswap.mir and arm64-rev.ll to reflect the changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359331
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Stanislav Mekhanoshin [Fri, 26 Apr 2019 17:56:03 +0000 (17:56 +0000)]
[AMDGPU] gfx1010 VOP3 and VOP3P implementation
Differential Revision: https://reviews.llvm.org/D61202
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359328
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Simon Pilgrim [Fri, 26 Apr 2019 17:49:02 +0000 (17:49 +0000)]
[DAGCombine] Cleanup visitEXTRACT_SUBVECTOR. NFCI.
Use ArrayRef::slice, reduce some rather awkward long lines for legibility and run clang-format.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359326
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Nikita Popov [Fri, 26 Apr 2019 16:50:31 +0000 (16:50 +0000)]
[ConstantRange] Add abs() support
Add support for abs() to ConstantRange. This will allow to handle
SPF_ABS select flavor in LVI and will also come in handy as a
primitive for the srem implementation.
The implementation is slightly tricky, because a) abs of signed min
is signed min and b) sign-wrapped ranges may have an abs() that is
smaller than a full range, so we need to explicitly handle them.
Differential Revision: https://reviews.llvm.org/D61084
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359321
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Craig Topper [Fri, 26 Apr 2019 16:39:38 +0000 (16:39 +0000)]
[X86] Sink NoRegister creation for unused Base/Index registers into getAddressOperands. NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359318
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Craig Topper [Fri, 26 Apr 2019 16:39:35 +0000 (16:39 +0000)]
[X86] Segment registers should have i16 type not i32.
Probably doesn't really matter, but was inconsistent with the rest of the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359317
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Stanislav Mekhanoshin [Fri, 26 Apr 2019 16:37:51 +0000 (16:37 +0000)]
[AMDGPU] gfx1010 VOP2 changes
Differential Revision: https://reviews.llvm.org/D61156
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359316
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Fangrui Song [Fri, 26 Apr 2019 16:27:11 +0000 (16:27 +0000)]
[llvm-nm] Revert inadvertently committed 'i' change in r359314
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359315
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Fangrui Song [Fri, 26 Apr 2019 16:21:51 +0000 (16:21 +0000)]
[ThinLTO] Fix X86/strong_non_prevailing.ll after llvm-nm 'r' change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359314
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Roland Froese [Fri, 26 Apr 2019 16:14:17 +0000 (16:14 +0000)]
[PowerPC] Update P9 vector costs for insert/extract element
The PPC vector cost model values for insert/extract element reflect older
processors that lacked vector insert/extract and move-to/move-from VSR
instructions. Update getVectorInstrCost to give appropriate values for when
the newer instructions are present.
Differential Revision: https://reviews.llvm.org/D60160
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359313
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Fangrui Song [Fri, 26 Apr 2019 16:03:31 +0000 (16:03 +0000)]
[llvm-nm] Generalize symbol types 'N', 'n' and '?'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359312
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Fangrui Song [Fri, 26 Apr 2019 16:01:48 +0000 (16:01 +0000)]
[llvm-nm] Fix handling of symbol types 't' 'd' 'r'
In addition, fix and convert the two tests to yaml2obj based. This
allows us to delete two executables.
X86/weak.test: 'v' was not tested
X86/init-fini.test: symbol types of __bss_start _edata _end were wrong
GNU nm reports __init_array_start as 't', and __preinit_array_start as 'd'.
__init_array_start is 't' just because its section ".init_array" starts with ".init"
'd' makes more sense and allows us to drop the weird SHT_INIT_ARRAY rule.
So, change __init_array_start to 'd' instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359311
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Don Hinton [Fri, 26 Apr 2019 15:22:21 +0000 (15:22 +0000)]
[docs] Put DefaultOption bullet in alphabetical order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359309
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Fangrui Song [Fri, 26 Apr 2019 13:42:16 +0000 (13:42 +0000)]
[llvm-nm][llvm-size] Use --double-dash options in tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359308
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Fangrui Song [Fri, 26 Apr 2019 13:41:19 +0000 (13:41 +0000)]
s/Dwarf 5/DWARF v5/ NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359307
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Sanjay Patel [Fri, 26 Apr 2019 13:36:37 +0000 (13:36 +0000)]
[x86] add tests for fmin/fmax; NFC
'maximum' and 'minimum' still crash, so they are commented out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359306
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Alexandre Ganea [Fri, 26 Apr 2019 13:09:26 +0000 (13:09 +0000)]
Fix llvm-objcopy/ELF/preserve-segment-contents test on UTF-8 locale
Differential Revision: https://reviews.llvm.org/D61137
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359302
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George Rimar [Fri, 26 Apr 2019 13:09:11 +0000 (13:09 +0000)]
[yaml2obj] - Make implicitSectionNames() return std::vector<StringRef>. NFCI.
No need to use SmallVector of char* here.
This simplifies the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359301
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George Rimar [Fri, 26 Apr 2019 12:45:54 +0000 (12:45 +0000)]
[yaml2obj] - Remove excessive variable. NFC.
`auto &Strtab` was used only once.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359300
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Simon Pilgrim [Fri, 26 Apr 2019 12:23:42 +0000 (12:23 +0000)]
Fix Wparentheses warning. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359299
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George Rimar [Fri, 26 Apr 2019 12:20:51 +0000 (12:20 +0000)]
[yaml2obj] - Make the code to match the LLVM style. NFCI.
This renames the variables to uppercase and
removes use of `auto` for unobvious type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359298
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George Rimar [Fri, 26 Apr 2019 12:15:32 +0000 (12:15 +0000)]
[yaml2elf] - Cleanup the initSectionHeaders(). NFCI.
This encapsulates the section specific code inside the
corresponding writeSectionContent methods.
Making the code a bit more consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359297
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Simon Pilgrim [Fri, 26 Apr 2019 11:45:54 +0000 (11:45 +0000)]
[X86][SSE] Pull out OR(EXTRACTELT(X,0),OR(EXTRACTELT(X,1),...)) matching code from LowerVectorAllZeroTest
Create a matchBitOpReduction helper that checks for the pattern with any opcode.
First step towards reusing this code to recognize other scalar reduction patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359296
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Nico Weber [Fri, 26 Apr 2019 11:44:10 +0000 (11:44 +0000)]
Minor formatting tweak, no behavior change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359295
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Fangrui Song [Fri, 26 Apr 2019 10:56:10 +0000 (10:56 +0000)]
caseFoldingDjbHash: simplify and make the US-ASCII fast path faster
The slow path (with at least one non US-ASCII) will be slower but that
doesn't matter.
Differential Revision: https://reviews.llvm.org/D61178
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359294
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Simon Pilgrim [Fri, 26 Apr 2019 10:49:13 +0000 (10:49 +0000)]
[X86][SSE] Disable shouldFoldConstantShiftPairToMask for btver1/btver2 targets (PR40758)
As detailed on PR40758, Bobcat/Jaguar can perform vector immediate shifts on the same pipes as vector ANDs with the same latency - so it doesn't make sense to replace a shl+lshr with a shift+and pair as it requires an additional mask (with the extra constant pool, loading and register pressure costs).
Differential Revision: https://reviews.llvm.org/D61068
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359293
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Simon Pilgrim [Fri, 26 Apr 2019 09:56:14 +0000 (09:56 +0000)]
[X86][AVX] Combine shuffles extracted from a common vector
A small step towards combining shuffles across vector sizes - this recognizes when a shuffle's operands are all extracted from the same larger source and tries to combine to an unary shuffle of that source instead. Fixes one of the test cases from PR34380.
Differential Revision: https://reviews.llvm.org/D60512
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359292
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Sven van Haastregt [Fri, 26 Apr 2019 09:21:25 +0000 (09:21 +0000)]
[InferAddressSpaces] Add AS parameter to the pass factory
This enables the pass to be used in the absence of
TargetTransformInfo. When the argument isn't passed, the factory
defaults to UninitializedAddressSpace and the flat address space is
obtained from the TargetTransformInfo as before this change. Existing
users won't have to change.
Patch by Kevin Petit.
Differential Revision: https://reviews.llvm.org/D60602
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359290
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Hans Wennborg [Fri, 26 Apr 2019 08:31:00 +0000 (08:31 +0000)]
Fix alignment in AArch64InstructionSelector::emitConstantPoolEntry()
The code was using the alignment of a pointer to the value, not the
alignment of the constant itself.
Maybe we got away with it so far because the pointer alignment is
fairly high, but we did end up under-aligning <16 x i8> vectors,
which was caught in the Chromium build after lld stopped over-aligning
the .rodata.cst16 section in r356428. (See crbug.com/953815)
Differential revision: https://reviews.llvm.org/D61124
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359287
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Marcello Maggioni [Fri, 26 Apr 2019 07:21:56 +0000 (07:21 +0000)]
[GlobalISel] Fix inserting copies in the right position for reg definitions
When constrainRegClass is called if the constraining happens on a use the COPY
needs to be inserted before the instruction that contains the MachineOperand,
but if we are constraining a definition it actually needs to be added
after the instruction. In addition, the COPY needs to have its operands
flipped (in the use case we are copying from the old unconstrained register
to the new constrained register, while in the definition case we are copying
from the new constrained register that the instruction defines to the old
unconstrained register).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359282
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Fangrui Song [Fri, 26 Apr 2019 05:56:23 +0000 (05:56 +0000)]
Fix typos: (re)?sor?uce -> (re)?source
Closes: https://github.com/llvm/llvm-project/pull/10
In-collaboration-with: Olivier Cochard-Labbé <olivier@FreeBSD.org>
Signed-off-by: Enji Cooper <yaneurabeya@gmail.com>
Differential Revision: https://reviews.llvm.org/D61021
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359277
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Dan Robertson [Fri, 26 Apr 2019 02:55:54 +0000 (02:55 +0000)]
[NFC] Add baseline tests for int isKnownNonZero
Add baseline tests for improvements of isKnownNonZero for integer types.
Differential Revision: https://reviews.llvm.org/D60932
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359267
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Fangrui Song [Fri, 26 Apr 2019 02:10:10 +0000 (02:10 +0000)]
[llvm-objcopy] Accept --long-option but not -long-option
Summary:
llvm-{objcopy,strip} (and many other LLVM binary utilities) accept
cl::opt style -long-option as well as many short options (e.g. -p -S
-x). People who use them as replacement of GNU binutils often use the
grouped option syntax (POSIX Utility Conventions), e.g. -Sx => -S -x,
-Wd => -W -d, -sj.text => -s -j.text
There is ambiguity if a long option starts with the character used by a
short option. Drop the support for -long-option to resolve the ambiguity.
This divergence from other utilities is accepted (other utilities
continue supporting -long-option).
https://lists.llvm.org/pipermail/llvm-dev/2019-April/131786.html
Reviewers: alexshap, jakehehrlich, jhenderson, rupprecht, espindola
Reviewed By: jakehehrlich, jhenderson, rupprecht
Subscribers: grimar, emaste, arichardson, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60439
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359265
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Justin Bogner [Fri, 26 Apr 2019 00:12:50 +0000 (00:12 +0000)]
[GlobalOpt] Swap the expensive check for cold calls with the cheap TTI check
isValidCandidateForColdCC is much more expensive than
TTI.useColdCCForColdCall, which by default just returns false. Avoid
doing this work if we're not going to look at the answer anyway.
This change is NFC, but I see significant compile time improvements on
some code with pathologically many functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359253
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Lang Hames [Thu, 25 Apr 2019 23:31:33 +0000 (23:31 +0000)]
[ORC] Remove symbols from dependency lists when failing materialization.
When failing materialization of a symbol X, remove X from the dependants list
of any of X's dependencies. This ensures that when X's dependencies are
emitted (or fail themselves) they do not try to access the no-longer-existing
MaterializationInfo for X.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359252
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Artem Belevich [Thu, 25 Apr 2019 22:28:09 +0000 (22:28 +0000)]
[CUDA] Implemented _[bi]mma* builtins.
These builtins provide access to the new integer and
sub-integer variants of MMA (matrix multiply-accumulate) instructions
provided by CUDA-10.x on sm_75 (AKA Turing) GPUs.
Also added a feature for PTX 6.4. While Clang/LLVM does not generate
any PTX instructions that need it, we still need to pass it through to
ptxas in order to be able to compile code that uses the new 'mma'
instruction as inline assembly (e.g used by NVIDIA's CUTLASS library
https://github.com/NVIDIA/cutlass/blob/master/cutlass/arch/mma.h#L101)
Differential Revision: https://reviews.llvm.org/D60279
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359248
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Artem Belevich [Thu, 25 Apr 2019 22:27:57 +0000 (22:27 +0000)]
PTX 6.3 extends `wmma` instruction to support s8/u8/s4/u4/b1 -> s32.
All of the new instructions are still handled mostly by tablegen. I've slightly
refactored the code to drive intrinsic/instruction generation from a master
list of supported variants, so all irregularities have to be implemented in one place only.
The test generation script wmma.py has been refactored in a similar way.
Differential Revision: https://reviews.llvm.org/D60015
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359247
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Artem Belevich [Thu, 25 Apr 2019 22:27:46 +0000 (22:27 +0000)]
[NVPTX] generate correct MMA instruction mnemonics with PTX63+.
PTX 6.3 requires using ".aligned" in the MMA instruction names.
In order to generate correct name, now we pass current
PTX version to each instruction as an extra constant operand
and InstPrinter adjusts its output accordingly.
Differential Revision: https://reviews.llvm.org/D59393
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359246
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Artem Belevich [Thu, 25 Apr 2019 22:27:35 +0000 (22:27 +0000)]
[NVPTX] Refactor generation of MMA intrinsics and instructions. NFC.
Generalized constructions of 'fragments' of MMA operations to provide
common primitives for construction of the ops. This will make it easier
to add new variants of the instructions that operate on integer types.
Use nested foreach loops which makes it possible to better control
naming of the intrinsics.
This patch does not affect LLVM's output, so there are no test changes.
Differential Revision: https://reviews.llvm.org/D59389
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359245
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Sean Fertile [Thu, 25 Apr 2019 21:36:04 +0000 (21:36 +0000)]
[Object][XCOFF] Add intial support for section header table.
Adds a representation of the section header table to XCOFFObjectFile,
and implements enough to dump the section headers with llvm-obdump.
Differential Revision: https://reviews.llvm.org/D60784
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359244
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Keno Fischer [Thu, 25 Apr 2019 21:28:03 +0000 (21:28 +0000)]
[CMake][PowerPC] Recognize LLVM_NATIVE_TARGET="ppc64le" as PowerPC
Summary:
This value is derived from the host triple, which on the machine
I'm currently using is `ppc64le-linux-redhat`. This change makes
LLVM compile.
Reviewers: nemanjai
Differential Revision: https://reviews.llvm.org/D57118
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359242
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Stanislav Mekhanoshin [Thu, 25 Apr 2019 20:39:06 +0000 (20:39 +0000)]
[AMDGPU] gfx1010 - fix ubsan failure
Revert DecoderNamespace in one place for now. It will need more
changes to properly work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359239
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Sanjay Patel [Thu, 25 Apr 2019 20:35:47 +0000 (20:35 +0000)]
[x86] add tests for vector fdiv reciprocal estimate; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359238
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David Blaikie [Thu, 25 Apr 2019 20:09:00 +0000 (20:09 +0000)]
Assigning to a local object in a return statement prevents copy elision. NFC.
I added a diagnostic along the lines of `-Wpessimizing-move` to detect `return x = y` suppressing copy elision, but I don't know if the diagnostic is really worth it. Anyway, here are the places where my diagnostic reported that copy elision would have been possible if not for the assignment.
P1155R1 in the post-San-Diego WG21 (C++ committee) mailing discusses whether WG21 should fix this pitfall by just changing the core language to permit copy elision in cases like these.
(Kona update: The bulk of P1155 is proceeding to CWG review, but specifically *not* the parts that explored the notion of permitting copy-elision in these specific cases.)
Reviewed By: dblaikie
Author: Arthur O'Dwyer
Differential Revision: https://reviews.llvm.org/D54885
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359236
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Jessica Paquette [Thu, 25 Apr 2019 20:00:57 +0000 (20:00 +0000)]
[GlobalISel][AArch64] Make G_EXTRACT_VECTOR_ELT legal for v8s16s
This case was missing before, so we couldn't legalize it.
Add it to AArch64LegalizerInfo.cpp and update select-extract-vector-elt.mir.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359231
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Akira Hatanaka [Thu, 25 Apr 2019 19:42:55 +0000 (19:42 +0000)]
[ObjC][ARC] Let ARC optimizer bail out if the number of pointer states
it keeps track of becomes too large
ARC optimizer does a top-down and a bottom-up traversal of the whole
function to pair up retain and release instructions and remove them.
This can be expensive if the number of instructions in the function and
pointer states it tracks are large since it has to look at each pointer
state and determine whether the instruction being visited can
potentially use the pointer.
This patch adds a command line option that sets a limit to the number of
pointers it tracks.
rdar://problem/
49477063
Differential Revision: https://reviews.llvm.org/D61100
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359226
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Stanislav Mekhanoshin [Thu, 25 Apr 2019 19:01:51 +0000 (19:01 +0000)]
[AMDGPU] gfx1010 VOP1 instructions
Differential Revision: https://reviews.llvm.org/D61099
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359225
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Stanislav Mekhanoshin [Thu, 25 Apr 2019 18:53:41 +0000 (18:53 +0000)]
[AMDGPU] gfx1010 utility functions
Differential Revision: https://reviews.llvm.org/D61094
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359224
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Jessica Paquette [Thu, 25 Apr 2019 18:42:00 +0000 (18:42 +0000)]
[GlobalISel][AArch64] Add generic legalization rule for extends
This adds a legalization rule for G_ZEXT, G_ANYEXT, and G_SEXT which allows
extends whenever the types will fit in registers (or the source is an s1).
Update tests. Add GISel checks throughout all of arm64-vabs.ll,
where we now select a good portion of the code. Add GISel checks to
arm64-subvector-extend.ll, which has a good number of vector extends in it.
Differential Revision: https://reviews.llvm.org/D60889
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359222
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Craig Topper [Thu, 25 Apr 2019 18:19:59 +0000 (18:19 +0000)]
[SelectionDAG][X86] Use stack load/store in PromoteIntRes_BITCAST when the input needs to be be split and the output type is a vector.
We had special case handling here, but it uses a scalar any_extend for the
promotion then bitcasts to the final type. This won't split up the input data
into multiple promoted elements like we need.
This patch falls back to doing the conversion through memory.
Fixes PR41594 which I believe was reflected in the bitcast-vector-bool.ll
changes. The changes to vector-half-conversions.ll are fixing a previously
unknown miscompile from this issue.
Differential Revision: https://reviews.llvm.org/D61114
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359219
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Robert Lougher [Thu, 25 Apr 2019 17:00:01 +0000 (17:00 +0000)]
[Evaluator] Walk initial elements when handling load through bitcast
When evaluating a store through a bitcast, the evaluator tries to move the
bitcast from the pointer onto the stored value. If the cast is invalid, it
tries to "introspect" the type to get a valid cast by obtaining a pointer to
the initial element (if the type is nested, this may require walking several
initial elements).
In some situations it is possible to get a bitcast on a load (e.g. with
unions, where the bitcast may not be the same type as the store). However,
equivalent logic to the store to introspect the type is missing. This patch
add this logic.
Note, when developing the patch I was unhappy with adding similar logic
directly to the load case as it could get out of step. Instead, I have
abstracted the "introspection" into a helper function, with the specifics
being handled by a passed-in lambda function.
Differential Revision: https://reviews.llvm.org/D60793
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359205
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Jessica Paquette [Thu, 25 Apr 2019 16:44:40 +0000 (16:44 +0000)]
[GlobalISel][AArch64] Legalize G_FNEARBYINT
Add legalizer support for G_FNEARBYINT. It's the same as G_FCEIL etc.
Since the importer allows us to automatically select this after legalization,
also add tests for selection etc. Also update arm64-vfloatintrinsics.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359204
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Jessica Paquette [Thu, 25 Apr 2019 16:39:28 +0000 (16:39 +0000)]
[GlobalISel] Add IRTranslator support for G_FNEARBYINT
Translate llvm.nearbyint into G_FNEARBYINT as a simple intrinsic. Update
arm64-irtranslator.ll.
Differential Revision: https://reviews.llvm.org/D60922
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359203
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Jessica Paquette [Thu, 25 Apr 2019 16:36:03 +0000 (16:36 +0000)]
[GlobalISel] Add a G_FNEARBYINT opcode
For eventually selecting llvm.nearbyint. Equivalent to the SelectionDAG
nearbyint node.
Update legalizer-info-validation.mir.
Differential Revision: https://reviews.llvm.org/D60921
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359201
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Lang Hames [Thu, 25 Apr 2019 15:18:31 +0000 (15:18 +0000)]
Revert "[JITLink] Make the JITLink MachO/x86-64 eh-frame test work on Windows."
This reverts r359169, as it broke one of the windows bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359198
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Nico Weber [Thu, 25 Apr 2019 14:56:56 +0000 (14:56 +0000)]
gn build: Document llvm_enable_dia_sdk variable better
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359196
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Nico Weber [Thu, 25 Apr 2019 14:53:53 +0000 (14:53 +0000)]
gn build: Make setting llvm_enable_dia_sdk=true work
If this is set, %INCLUDE% must contain ".../DIA SDK/include"
and %LIB% must contain ".../DIA SKD/lib/amd64" (assuming you're doing a
64-bit build).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359195
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Simon Pilgrim [Thu, 25 Apr 2019 13:51:57 +0000 (13:51 +0000)]
[InstCombine][X86] Tweak generic expansion of PACKSS/PACKUS to shuffle then truncate. NFCI.
This has no effect on constant folding but will be useful when we expand non-saturating PACKSS/PACKUS intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359191
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Sam McCall [Thu, 25 Apr 2019 13:33:18 +0000 (13:33 +0000)]
[Support] json::OStream::flush(), which passes through to the underlying stream
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359190
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Nico Weber [Thu, 25 Apr 2019 13:29:34 +0000 (13:29 +0000)]
gn build: Merge r359179
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359189
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Nico Weber [Thu, 25 Apr 2019 13:26:54 +0000 (13:26 +0000)]
gn build: Merge r359174
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359188
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Nico Weber [Thu, 25 Apr 2019 13:25:00 +0000 (13:25 +0000)]
gn build: Merge r359142
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359187
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Sam McCall [Thu, 25 Apr 2019 12:51:42 +0000 (12:51 +0000)]
[Support] Add JSON streaming output API, faster where the heavy value types aren't needed.
Summary:
There's still a little bit of constant factor that could be trimmed (e.g.
more overloads to avoid round-tripping primitives through json::Value).
But this solves the memory scaling problem, and greatly improves the performance
constant factor, and the API should leave room for optimization if needed.
Adapt TimeProfiler to use it, eliminating almost all the performance regression
from r358476.
Performance test on my machine:
perf stat -r 5 ~/llvmbuild-opt/bin/clang++ -w -S -ftime-trace -mllvm -time-trace-granularity=0 spirit.cpp
Handcrafted JSON (HEAD=r358532 with r358476 reverted): 2480ms
json::Value (HEAD): 2757ms (+11%)
After this patch: 2520 ms (+1.6%)
Reviewers: anton-afanasyev, lebedev.ri
Subscribers: kristina, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60804
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359186
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Simon Pilgrim [Thu, 25 Apr 2019 12:45:11 +0000 (12:45 +0000)]
[InstCombine][X86] Add PACKSS/PACKUS tests for truncation where saturation won't occur
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359185
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Ilya Biryukov [Thu, 25 Apr 2019 11:57:40 +0000 (11:57 +0000)]
[Support] Try to unbreak windows buildbot
After r359179.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359183
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Fangrui Song [Thu, 25 Apr 2019 11:33:30 +0000 (11:33 +0000)]
Parallel: only allow the first TaskGroup to run tasks parallelly
Summary:
Concurrent (e.g. nested) llvm::parallel::for_each() may lead to dead
locks. See PR35788 (fixed by rLLD322041) and PR41508 (fixed by D60757).
When parallel_for_each() is about to return, in ~Latch() called by
~TaskGroup(), a thread (in the default executor) may block in
Latch::sync() waiting for Count to become zero. If all threads in the
default executor are blocked, it is a dead lock.
To fix this, force serial execution if the current TaskGroup is not the
first one. For a nested llvm::parallel::for_each(), this parallelizes
the outermost loop and serializes inner loops.
Differential Revision: https://reviews.llvm.org/D61115
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359182
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Fangrui Song [Thu, 25 Apr 2019 10:25:52 +0000 (10:25 +0000)]
[llvm-objdump] Prep for adding newlines before and after "Disassembly of section ...:"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359181
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Florian Hahn [Thu, 25 Apr 2019 10:12:43 +0000 (10:12 +0000)]
[ConstantRange] [a, b) udiv a full range is [0, umax(b)).
Reviewers: nikic, spatel, efriedma
Reviewed By: nikic
Differential Revision: https://reviews.llvm.org/D60536
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359180
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Ilya Biryukov [Thu, 25 Apr 2019 10:08:31 +0000 (10:08 +0000)]
[Testing] Move clangd::Annotations to llvm testing support
Summary:
Annotations allow writing nice-looking unit test code when one needs
access to locations from the source code, e.g. running code completion
at particular offsets in a file. See comments in Annotations.cpp for
more details on the API.
Also got rid of a duplicate annotations parsing code in clang's code
complete tests.
Reviewers: gribozavr, sammccall
Reviewed By: gribozavr
Subscribers: mgorny, hiraditya, ioeric, MaskRay, jkorous, arphaman, kadircet, jdoerfert, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D59814
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359179
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George Rimar [Thu, 25 Apr 2019 09:59:55 +0000 (09:59 +0000)]
[yaml2obj] - Don't crash on invalid inputs.
yaml2obj might crash on invalid input when unable to parse the YAML.
Recently a crash with a very similar nature was fixed for an empty files.
This patch revisits the fix and does it in yaml::Input instead.
It seems to be more correct way to handle such situation.
With that crash for invalid inputs is also fixed now.
Differential revision: https://reviews.llvm.org/D61059
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359178
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Simon Pilgrim [Thu, 25 Apr 2019 09:49:37 +0000 (09:49 +0000)]
Fix include order. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359177
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Simon Pilgrim [Thu, 25 Apr 2019 09:34:36 +0000 (09:34 +0000)]
[X86][SSE] combineBitcastvxi1 - add support for bitcasting to non-scalar integers
Truncate the movmsk scalar integer result to the equivalent scalar integer width as before but then bitcast to the requested type.
We still have the issue identified in PR41594 but D61114 should handle this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359176
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Ilya Biryukov [Thu, 25 Apr 2019 09:03:32 +0000 (09:03 +0000)]
[Support] Add a GTest matcher for Optional<T>
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: mgorny, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D61071
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359174
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Roman Lebedev [Thu, 25 Apr 2019 08:33:47 +0000 (08:33 +0000)]
[NFC][LoopIdiomRecognize] Some basic baseline tests for bcmp loop idiom
Doubt this is the final test coverage, but this appears to have good
coverage already, so i figure i might as well precommit it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359173
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Simon Atanasyan [Thu, 25 Apr 2019 07:47:28 +0000 (07:47 +0000)]
[MIPS] Use custom bitcast lowering to avoid excessive instructions
On Mips32r2 bitcast can be expanded to two sw instructions and an ldc1
when using bitcast i64 to double or an sdc1 and two lw instructions when
using bitcast double to i64. By introducing custom lowering that uses
mtc1/mthc1 we can avoid excessive instructions.
Patch by Mirko Brkusanin.
Differential Revision: https://reviews.llvm.org/D61069
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359171
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Craig Topper [Thu, 25 Apr 2019 06:08:02 +0000 (06:08 +0000)]
[X86] Remove part of an if condition that should always be true.
The IndexReg will always be non-null at this point. Earlier in the function, if
IndexReg was null we set it to CurDAG->getRegister(0, VT) which made it
non-null.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359170
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Lang Hames [Thu, 25 Apr 2019 05:24:40 +0000 (05:24 +0000)]
[JITLink] Make the JITLink MachO/x86-64 eh-frame test work on Windows.
This should fix the MachO/x86-64 eh-frame regression test by ensuring that
the symbols __ZTIi and ___gxx_personality_v0 are defined on all platforms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359169
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Lang Hames [Thu, 25 Apr 2019 05:02:10 +0000 (05:02 +0000)]
[llvm-rtdyld] Add support for passing command line arguments to rtdyld-run code.
The --args option can now be used to pass arguments to code linked with
llvm-rtdyld. E.g.
$ llvm-rtdyld file1.o file2.o --args a b c
is equivalent to:
$ ld -o program file1.o file2.o
$ ./program a b c
This is the rtdyld counterpart to the jitlink change in r359115, and makes
benchmarking and comparison between the tools easier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359168
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Alina Sbirlea [Thu, 25 Apr 2019 04:49:48 +0000 (04:49 +0000)]
Enable LoopVectorization by default.
Summary:
When refactoring vectorization flags, vectorization was disabled by default in the new pass manager.
This patch re-enables is for both managers, and changes the assumptions opt makes, based on the new defaults.
Comments in opt.cpp should clarify the intended use of all flags to enable/disable vectorization.
Reviewers: chandlerc, jgorbe
Subscribers: jlebar, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D61091
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359167
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Fangrui Song [Thu, 25 Apr 2019 04:31:26 +0000 (04:31 +0000)]
[llvm-objdump] errorToErrorCode+message -> toString
For test/Object/elf-invalid-phdr.test, the intended error message got lost due to errorToErrorCode().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359166
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Philip Reames [Thu, 25 Apr 2019 02:30:17 +0000 (02:30 +0000)]
Consolidate existing utilities for interpreting vector predicate maskes [NFC]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359163
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Kit Barton [Thu, 25 Apr 2019 02:10:02 +0000 (02:10 +0000)]
Fix unused variable warning in LoopFusion pass.
Do not wrap the contents of printFusionCandidates in the LLVM_DEBUG macro. This
fixes an unused variable warning generated when compiling without asserts but
with -DENABLE_LLVM_DUMP.
Differential Revision: https://reviews.llvm.org/D61035
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359161
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Philip Reames [Thu, 25 Apr 2019 01:18:56 +0000 (01:18 +0000)]
[InstCombine] Be consistent w/handling of masked intrinsics style wise [NFC]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359160
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Davide Italiano [Thu, 25 Apr 2019 00:03:02 +0000 (00:03 +0000)]
[utils] Add a lldb data formatter for llvm::SmallString.
Result:
(lldb) p val
(llvm::SmallString<32>) $31 = "patatino"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359157
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Austin Kerbow [Wed, 24 Apr 2019 23:32:21 +0000 (23:32 +0000)]
Fix spelling error. NFC
Summary: Test commit.
Reviewers: msearles, jkorous
Reviewed By: jkorous
Subscribers: dexonsmith, arsenm, jvesely, nhaehnle, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D61093
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359154
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Nico Weber [Wed, 24 Apr 2019 23:26:30 +0000 (23:26 +0000)]
llvm-cvtres: Make new dupe resource error a bit friendlier
For well-known type IDs, include the name of the type.
To not duplicate the ID->name map, make llvm-readobj call this new
function as well. It has slightly different output, so this also
requires updating a few tests.
Differential Revision: https://reviews.llvm.org/D61086
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359153
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JF Bastien [Wed, 24 Apr 2019 23:24:53 +0000 (23:24 +0000)]
posix_spawn should retry upon EINTR
Summary:
We've seen cases of bots failing with:
clang: error: unable to execute command: posix_spawn failed: Interrupted system call
Add a small retry loop to posix_spawn in case this happens. Don't retry too much in case there's some systemic problem going on, but retry a few times.
<rdar://problem/
50181448>
Reviewers: Bigcheese, arphaman
Subscribers: jkorous, dexonsmith, kristina, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D61096
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359152
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Reid Kleckner [Wed, 24 Apr 2019 23:11:17 +0000 (23:11 +0000)]
Mark new jitlink test XFAIL for windows
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359151
91177308-0d34-0410-b5e6-
96231b3b80d8