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Peter Collingbourne [Wed, 1 Jun 2016 02:58:40 +0000 (02:58 +0000)]
DwarfDebug: Simplify. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271360
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Petr Hosek [Wed, 1 Jun 2016 01:59:58 +0000 (01:59 +0000)]
[MC] Rename EmitFill to emitFill
This is to match the overloaded variants as well as the new style.
Differential Revision: http://reviews.llvm.org/D20690
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271359
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Peter Collingbourne [Wed, 1 Jun 2016 01:17:57 +0000 (01:17 +0000)]
IR: Allow multiple global metadata attachments with the same type.
This will be necessary to allow the global merge pass to attach
multiple debug info metadata nodes to global variables once we reverse
the edge from DIGlobalVariable to GlobalVariable.
Differential Revision: http://reviews.llvm.org/D20414
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271358
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David Blaikie [Wed, 1 Jun 2016 01:02:32 +0000 (01:02 +0000)]
Reference gdb python type printer scripts from SmallString, SmallVector, ArrayRef, and StringRef
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271357
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Matt Arsenault [Wed, 1 Jun 2016 01:00:36 +0000 (01:00 +0000)]
DAGCombiner: Fix broken size check in isAlias
This should have been converting the size to bytes, but wasn't really.
These should probably all be using getStoreSize instead.
I haven't been able to come up with a meaningful testcase for this.
I can trigger it using combinations of struct loads and stores,
but can't observe a difference in non-broken testcases.
isAlias is only really used during store merging, so I'm not sure how
to get into the vector splitting situation the comment describes
since store merging is only done before type legalization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271356
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NAKAMURA Takumi [Wed, 1 Jun 2016 00:30:15 +0000 (00:30 +0000)]
DebugInfoPDBTests: Update libdeps for r271346.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271355
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Chris Bieneman [Wed, 1 Jun 2016 00:10:19 +0000 (00:10 +0000)]
[obj2yaml] One more attempt at fixing msan
Bot URL:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/11834/steps/check-llvm%20msan/logs/stdio
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271353
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Kostya Serebryany [Tue, 31 May 2016 23:39:31 +0000 (23:39 +0000)]
llvm-pdbdump-fuzzer: fix the build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271352
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Lang Hames [Tue, 31 May 2016 23:14:26 +0000 (23:14 +0000)]
[Orc] Add conversion to/from RuntimeDyld::SymbolInfo for JITSymbol.
This tidies up some code that was manually constructing RuntimeDyld::SymbolInfo
instances from JITSymbols. It will save more mess in the future when
JITSymbol::getAddress is extended to return an Expected<TargetAddress> rather
than just a TargetAddress, since we'll be able to embed the error checking in
the conversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271350
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Peter Collingbourne [Tue, 31 May 2016 23:01:54 +0000 (23:01 +0000)]
Add support for metadata attachments for global variables.
This patch adds an IR, assembly and bitcode representation for metadata
attachments for globals. Future patches will port existing features to use
these new attachments.
Differential Revision: http://reviews.llvm.org/D20074
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271348
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Zachary Turner [Tue, 31 May 2016 22:41:52 +0000 (22:41 +0000)]
[pdb] Add unit tests for PDB MappedBlockStream and zero copy
Differential Revision: http://reviews.llvm.org/D20837
Reviewed By: ruiu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271346
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Matthias Braun [Tue, 31 May 2016 22:38:06 +0000 (22:38 +0000)]
CodeGen: Refactor renameDisconnectedComponents() as a pass
Refactor LiveIntervals::renameDisconnectedComponents() to be a pass.
Also change the name to "RenameIndependentSubregs":
- renameDisconnectedComponents() worked on a MachineFunction at a time
so it is a natural candidate for a machine function pass.
- The algorithm is testable with a .mir test now.
- This also fixes a problem where the lazy renaming as part of the
MachineScheduler introduced IMPLICIT_DEF instructions after the number
of a nodes in a region were counted leading to a mismatch.
Differential Revision: http://reviews.llvm.org/D20507
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271345
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Reid Kleckner [Tue, 31 May 2016 22:32:54 +0000 (22:32 +0000)]
Speculative build fix for codeview type dumper API change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271344
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Kevin B. Smith [Tue, 31 May 2016 22:00:12 +0000 (22:00 +0000)]
[X86]: Add a pattern that uses GR16_ABCD rather than GR32_ABCD to avoid falsely marking whole 32 bit register as live.
Differential Revision: http://reviews.llvm.org/D20649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271341
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Matthias Braun [Tue, 31 May 2016 21:59:59 +0000 (21:59 +0000)]
ARM: Improve/fix comment in recently added test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271340
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Matthias Braun [Tue, 31 May 2016 21:39:12 +0000 (21:39 +0000)]
ARM: Do not attempt to modify register class of physregs.
Physregs have no associated register class, do not attempt to modify it
in Thumb2InstrInfo::storeRegToStackSlot()/loadFromStackSlot().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271339
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Chris Bieneman [Tue, 31 May 2016 21:00:08 +0000 (21:00 +0000)]
[obj2yaml] Trying to make msan happy
Failing bot:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/13302/steps/check-llvm%20msan/logs/stdio
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271334
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Guozhi Wei [Tue, 31 May 2016 20:41:19 +0000 (20:41 +0000)]
[SLP] Pass in correct alignment when query memory access cost
This patch fixes bug https://llvm.org/bugs/show_bug.cgi?id=27897.
When query memory access cost, current SLP always passes in alignment value of 1 (unaligned), so it gets a very high cost of scalar memory access, and wrongly vectorize memory loads in the test case.
It can be fixed by simply giving correct alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271333
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Kevin Enderby [Tue, 31 May 2016 20:35:34 +0000 (20:35 +0000)]
Change llvm-objdump, llvm-nm and llvm-size when reporting an object file error
when the object is from a slice of a Mach-O Universal Binary use something like
"foo.o (for architecture i386)" as part of the error message when expected.
Also fixed places in these tools that were ignoring object file errors from
MachOUniversalBinary::getAsObjectFile() when the code moved on to see if
the slice was an archive.
To do this MachOUniversalBinary::getAsObjectFile() and
MachOUniversalBinary::getObjectForArch() were changed from returning
ErrorOr<...> to Expected<...> then that was threaded up to its users.
Converting these interfaces to Expected<> from ErrorOr<> does involve
touching a number of places. To contain the changes for now the use of
errorToErrorCode() is still used in two places yet to be fully converted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271332
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Chris Bieneman [Tue, 31 May 2016 20:21:32 +0000 (20:21 +0000)]
[CMake] Update to requiring CMake 3.4.3
Summary:
This is as per the discussions on developer lists:
http://lists.llvm.org/pipermail/llvm-dev/2016-April/098780.html
http://lists.llvm.org/pipermail/llvm-dev/2016-May/100058.html
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20822
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271325
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George Burgess IV [Tue, 31 May 2016 19:55:05 +0000 (19:55 +0000)]
[CFLAA] Don't link GEP pointers to GEP indices.
Code like the following is considered broken, and doesn't need to be
supported by our AA magicks:
void getFoo(int *P) {
int *PAlias = (int *)((char *)NULL + (uintptr_t)P);
}
This patch makes CFLAA drop support for code like this.
Patch by Jia Chen.
Differential Revision: http://reviews.llvm.org/D20775
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271322
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Ahmed Bougacha [Tue, 31 May 2016 18:50:25 +0000 (18:50 +0000)]
[CodeGen] Promote FMINNAN/FMAXNAN like other binops.
We think it's OK to generate half fminnan because it's legal for the
transform-to type (f32; r245196). However, PromoteFloatRes was missing
the case; simply promote like the other binops, including minnum.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271317
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Ahmed Bougacha [Tue, 31 May 2016 18:50:21 +0000 (18:50 +0000)]
[CodeGen] Don't mark FMINNUM/FMAXNUM Expand twice. NFC.
They're already in the all_valuetypes() loop above.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271316
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Ahmed Bougacha [Tue, 31 May 2016 18:50:05 +0000 (18:50 +0000)]
[Docs] CodeGen has supported vector icmp/fcmp for a long time.
The IR support is already well-documented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271315
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Reid Kleckner [Tue, 31 May 2016 18:45:36 +0000 (18:45 +0000)]
[codeview] Improve readability of type record assembly
Adds the method MCStreamer::EmitBinaryData, which is usually an alias
for EmitBytes. In the MCAsmStreamer case, it is overridden to emit hex
dump output like this:
.byte 0x0e, 0x00, 0x08, 0x10
.byte 0x03, 0x00, 0x00, 0x00
.byte 0x00, 0x00, 0x00, 0x00
.byte 0x00, 0x10, 0x00, 0x00
Also, when verbose asm comments are enabled, this patch prints the dump
output for each comment before its record, like this:
# ArgList (0x1000) {
# TypeLeafKind: LF_ARGLIST (0x1201)
# NumArgs: 0
# Arguments [
# ]
# }
.byte 0x06, 0x00, 0x01, 0x12
.byte 0x00, 0x00, 0x00, 0x00
This should make debugging easier and testing more convenient.
Reviewers: aaboud
Subscribers: majnemer, zturner, amccarth, aaboud, llvm-commits
Differential Revision: http://reviews.llvm.org/D20711
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271313
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Rafael Espindola [Tue, 31 May 2016 18:31:14 +0000 (18:31 +0000)]
Delete AArch64II::MO_CONSTPOOL.
A constant pool holding the address of a variable in equivalent to
a got entry. It produces exactly the same instruction sequence as a
got use and unlike a got use this is not uniqued by the linker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271311
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Reid Kleckner [Tue, 31 May 2016 18:15:23 +0000 (18:15 +0000)]
[codeview] Add a CVTypeDumper::dump(ArrayRef<uint8_t>) overload
This is a convenient wrapper when the type record is already laid out as
bytes in memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271309
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Davide Italiano [Tue, 31 May 2016 17:53:22 +0000 (17:53 +0000)]
[PM] BDCE: Fix caching of analyses.
Another chapter in the story. GlobalsAA should be preserved, as
well as the CFG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271307
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Simon Dardis [Tue, 31 May 2016 17:52:29 +0000 (17:52 +0000)]
[mips] Remove tests which should have been deleted.
The two xfail tests for mis32r6 & mips64r6 were supposed
to be removed in r271301.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271306
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Davide Italiano [Tue, 31 May 2016 17:39:39 +0000 (17:39 +0000)]
[PM] ADCE: Fix caching of analyses.
When this pass was originally ported, AA wasn't available for the
new PM. Now it is, so we can cache properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271303
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Simon Dardis [Tue, 31 May 2016 17:34:42 +0000 (17:34 +0000)]
[mips] Enforce compact branch register restrictions
Enforce compact branch register restrictions such as the use of the zero
register, both operands being the same register. Emit clear error in such
cases as the issue is subtle.
For bovc and bnvc, silently fixup such cases when emitting objects directly,
like LLVM started doing in rL269899.
Reviewers: vkalintiris, dsanders
Differential Review: http://reviews.llvm.org/D20475
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271301
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Chris Bieneman [Tue, 31 May 2016 17:26:36 +0000 (17:26 +0000)]
[obj2yaml][yaml2obj] Support for reading and dumping the MachO export trie
The MachO export trie is a serially encoded trie keyed by symbol name. This code parses the trie and preserves the structure so that it can be dumped again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271300
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Erik Eckstein [Tue, 31 May 2016 17:20:23 +0000 (17:20 +0000)]
Fix a crash in MergeFunctions related to ordering of weak/strong functions
The assumption, made in insert() that weak functions are always inserted after strong functions,
is only true in the first round of adding functions.
In subsequent rounds this is no longer guaranteed , because we might remove a strong function from the tree (because it's modified) and add it later,
where an equivalent weak function already exists in the tree.
This change removes the assert in insert() and explicitly enforces a weak->strong order.
This also removes the need of two separate loops in runOnModule().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271299
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Qin Zhao [Tue, 31 May 2016 17:14:02 +0000 (17:14 +0000)]
[esan|cfrag] Create the skeleton of cfrag variable for the runtime
Summary:
Creates a global variable containing preliminary information
for the cache-fragmentation tool runtime.
Passes a pointer to the variable (null if no variable is created) to the
compilation unit init and exit routines in the runtime.
Reviewers: aizatsky, bruening
Subscribers: filcab, kubabrecka, bruening, kcc, vitalybuka, eugenis, llvm-commits, zhaoqin
Differential Revision: http://reviews.llvm.org/D20541
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271298
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Matt Arsenault [Tue, 31 May 2016 16:57:45 +0000 (16:57 +0000)]
AMDGPU: Remove unused address space
Also return a single StringRef instead of building a string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271296
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Rafael Espindola [Tue, 31 May 2016 15:31:55 +0000 (15:31 +0000)]
Add a use of shouldAssumeDSOLocal to ARM.
Now this code path knows about position independent executables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271290
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Krzysztof Parzyszek [Tue, 31 May 2016 14:27:10 +0000 (14:27 +0000)]
[Hexagon] Disable expanding MUX instructions that define a subregister
The code in HexagonExpandCondsets.cpp does not handle those cases at the
moment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271281
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Yaron Keren [Tue, 31 May 2016 13:45:05 +0000 (13:45 +0000)]
Do not modify a std::vector while looping it.
Introduced in r271244, this is probably undefined behaviour and asserts when
compiled with Visual C++ debug mode.
On further note, the loop is quadratic with regard to the number of successors
since removeSuccessor is linear and could probably be modified to linear time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271278
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Ranjeet Singh [Tue, 31 May 2016 12:39:30 +0000 (12:39 +0000)]
[ARM] Add backend support for load/store intrinsics.
Added support to map intrinsics
__builtin_arm_{ldc,ldcl,ldc2,ldc2l,stc,stcl,stc2,stc2l}
to their ARM instructions.
Differential Revision: http://reviews.llvm.org/D20564
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271271
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Simon Pilgrim [Tue, 31 May 2016 12:04:35 +0000 (12:04 +0000)]
[X86][SSE] Add load-folding patterns for (V)CVTDQ2PD (PR27291)
Added patterns for (V)CVTDQ2PD -> 2f64 loading from a 64-bit source.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271269
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Simon Dardis [Tue, 31 May 2016 09:54:55 +0000 (09:54 +0000)]
[mips] bnec/beqc register constraint fix
beqc and bnec cannot have $rs == $rt. Inhibit compact branch creation
if that would occur.
Reviewers: vkalintiris, dsanders
Differential Revision: http://reviews.llvm.org/D20624
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271260
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Igor Breger [Tue, 31 May 2016 08:04:21 +0000 (08:04 +0000)]
[AVX512] Fix intrinsic vcvtps2ph lowering.
Differential Revision: http://reviews.llvm.org/D20788
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271255
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Igor Breger [Tue, 31 May 2016 07:43:39 +0000 (07:43 +0000)]
Fix intrinsic vbroadcast{i32|f32}x2 lowering.
Differential Revision: http://reviews.llvm.org/D20780
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271254
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Craig Topper [Tue, 31 May 2016 06:42:51 +0000 (06:42 +0000)]
[AVX512] Remove gcc builtin name from masked load intrinsics so they can be custom handled by clang to create generic masked load intrinsics instead of using the x86 specific ones.
The intrinsics will be removed in a future commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271252
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Craig Topper [Tue, 31 May 2016 01:50:02 +0000 (01:50 +0000)]
[AVX512] Remove masked store intrinsics. Clang now emits generic masked store intrinsics instead.
The intrinsics will be autoupgraded to the same generic masked stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271245
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Saleem Abdulrasool [Tue, 31 May 2016 01:48:07 +0000 (01:48 +0000)]
X86: permit using SjLj EH on x86 targets as an option
This adds support to the backed to actually support SjLj EH as an exception
model. This is *NOT* the default model, and requires explicitly opting into it
from the frontend. GCC supports this model and for MinGW can still be enabled
via the `--using-sjlj-exceptions` options.
Addresses PR27749!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271244
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David Majnemer [Tue, 31 May 2016 01:24:40 +0000 (01:24 +0000)]
[llvm-pdbdump-fuzzer] Add a fuzzer for llvm-pdbdump
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271243
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David Majnemer [Tue, 31 May 2016 01:24:33 +0000 (01:24 +0000)]
[llvm-dwarfdump-fuzzer] Get this compiling again
Looks like the dwarfdump fuzzer has bitrotted, update it to take into
account updates to the libobject API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271242
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Craig Topper [Mon, 30 May 2016 23:15:56 +0000 (23:15 +0000)]
[X86] Remove SSE/AVX unaligned store intrinsics as clang no longer uses them. Auto upgrade to native unaligned store instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271236
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Craig Topper [Mon, 30 May 2016 22:54:14 +0000 (22:54 +0000)]
[X86] Use update_llc_test_checks.py to re-generate a test in preparation for an upcoming commit. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271234
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Craig Topper [Mon, 30 May 2016 22:54:12 +0000 (22:54 +0000)]
[X86] Simplify and remove some unnecessary auto-upgrade code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271233
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Craig Topper [Mon, 30 May 2016 22:54:05 +0000 (22:54 +0000)]
[X86] Reduce the number of string compares in the autoupgrade logic by checking more prefixes instead of complete matches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271232
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Rafael Espindola [Mon, 30 May 2016 20:18:53 +0000 (20:18 +0000)]
Fix a crash when producing COFF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271229
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Simon Pilgrim [Mon, 30 May 2016 19:50:56 +0000 (19:50 +0000)]
[X86][XOP] Split off auto-upgraded xop intrinsics
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271228
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Simon Pilgrim [Mon, 30 May 2016 19:14:37 +0000 (19:14 +0000)]
[X86][SSE] Renamed pmovxrm tests
These aren't intrinsics anymore - as discussed on D20686
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271226
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Lang Hames [Mon, 30 May 2016 19:03:26 +0000 (19:03 +0000)]
[Kaleidoscope][BuildingAJIT] Finish off Chapter 1.
* Various tidy-up and streamlining of existing discussion.
* Describes findSymbol and removeModule.
Chapter 1 is now rough but essentially complete in terms of content.
Feedback, patches etc. very welcome.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271225
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Simon Pilgrim [Mon, 30 May 2016 18:49:57 +0000 (18:49 +0000)]
[X86][AVX2] Regenerated AVX2 extension tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271224
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Simon Pilgrim [Mon, 30 May 2016 18:42:51 +0000 (18:42 +0000)]
[X86][SSE] Updated storeu fast-isel tests to match clang builtin tests
Since rL271214 the headers have no longer used the storeu intrinsic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271222
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Simon Pilgrim [Mon, 30 May 2016 18:18:44 +0000 (18:18 +0000)]
[X86][SSE2] Updated _mm_store_pd1/_mm_store1_pd fast-isel tests to match D20617
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271220
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Lang Hames [Mon, 30 May 2016 16:53:19 +0000 (16:53 +0000)]
[Kaleidoscope][BuildingAJIT] Add stub Chapter 5 text.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271213
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Diana Picus [Mon, 30 May 2016 08:28:34 +0000 (08:28 +0000)]
[BPF] Remove exit-on-error from tests (PR27768, PR27769)
The exit-on-error flag is necessary to avoid some assertions/unreachables. We
can get past them by creating a few dummy nodes.
Fixes PR27768, PR27769.
Differential Revision: http://reviews.llvm.org/D20726
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271200
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Sanjoy Das [Mon, 30 May 2016 01:37:39 +0000 (01:37 +0000)]
[IndVars] Assert that the incoming IR is in LCSSA
Since we already assert that the outgoing IR is in LCSSA, it is easy to
get misled into thinking that -indvars broke LCSSA if the incoming IR is
non-LCSSA. Checking this pre-condition will make such cases break in
more obvious ways.
Inspired by (but does _not_ fix) PR26682.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271196
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Lang Hames [Mon, 30 May 2016 01:18:32 +0000 (01:18 +0000)]
[Kaleidoscope][BuildingAJIT] Don't build Chapter 5 on Windows for now.
The TCP setup code is currently *nix based and does not build on Windows.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271194
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Lang Hames [Mon, 30 May 2016 00:09:26 +0000 (00:09 +0000)]
[Kaleidoscope][BuildingAJIT] Add code for Chapter 5 - remote JITing.
This chapter demonstrates lazily JITing from ASTs with the expressions being
executed on a remote machine via a TCP connection. It needs some polish, but is
substantially complete.
Currently x86-64 SysV ABI (Darwin and Linux) only, but other architectures
can be supported by changing the server code to use alternative ABI support
classes from llvm/include/llvm/ExecutionEngine/Orc/OrcABISupport.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271193
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Joerg Sonnenberger [Sun, 29 May 2016 22:09:54 +0000 (22:09 +0000)]
Make it easier to process merges in a normal buildable directory tree by
allowing the user to specify the base directory of the checkout.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271192
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Sanjoy Das [Sun, 29 May 2016 21:42:00 +0000 (21:42 +0000)]
[IndVarSimplify] Extract the logic of `-indvars` out into a class; NFC
This will be used later to port IndVarSimplify to the new pass manager.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271190
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Lang Hames [Sun, 29 May 2016 21:17:13 +0000 (21:17 +0000)]
[Orc] Fix a type in the OrcRemoteClientUtility.
This function failed to type-check as it was. No test case yet (we only have
regression tests for the remote-JIT code, and LLI don't use this function), but
an upcoming chapter of the Kaleidoscope Building A JIT tutorials will use
this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271189
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Kostya Serebryany [Sun, 29 May 2016 15:58:57 +0000 (15:58 +0000)]
[libFuzzer] fix a use-after-free (!) in libFuzzer caused by r270905: that CL caused a push_back in the main corpus invalidating the vector<> iterators in rare cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271186
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Benjamin Kramer [Sun, 29 May 2016 10:46:35 +0000 (10:46 +0000)]
Remove some 'const' specifiers that do nothing but prevent moving the argument.
Found by clang-tidy's misc-move-const-arg. While there drop some
obsolete c_str() calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271181
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Benjamin Kramer [Sun, 29 May 2016 10:31:00 +0000 (10:31 +0000)]
[ProfileData] Clean up string handling a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271180
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Sanjoy Das [Sun, 29 May 2016 07:53:21 +0000 (07:53 +0000)]
[SCEV] Remove the singleton `apply` function (re-apply r271155)
Polly has been updated in r271177 to not use it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271178
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Craig Topper [Sun, 29 May 2016 06:37:39 +0000 (06:37 +0000)]
[X86] Remove some unnecessary declarations for old intrinsics from a test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271175
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Craig Topper [Sun, 29 May 2016 06:37:33 +0000 (06:37 +0000)]
[X86] Simplify some of the autoupgrade code. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271174
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David Majnemer [Sun, 29 May 2016 06:18:08 +0000 (06:18 +0000)]
Don't dereference a symbol iterator before checking for the end case
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271173
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David Majnemer [Sun, 29 May 2016 06:18:06 +0000 (06:18 +0000)]
Make sure we don't add an empty string to the stringmap
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271172
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David Majnemer [Sun, 29 May 2016 06:18:04 +0000 (06:18 +0000)]
[CVRecord] Don't assume that the record has two bytes of data in it
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271171
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David Majnemer [Sun, 29 May 2016 06:18:01 +0000 (06:18 +0000)]
Don't let the readArray size calculation overflow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271170
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Zachary Turner [Sun, 29 May 2016 05:36:01 +0000 (05:36 +0000)]
[pdb] Make an abstract base class for PDBFile.
This will allow us to mock it out in a unit test to begin
writing unit tests for the various PDB and codeview classes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271168
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Sanjoy Das [Sun, 29 May 2016 04:08:50 +0000 (04:08 +0000)]
Revert "[SCEV] Remove unused function; NFC"
This reverts commit r271155. The `apply` function is actually used by
Polly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271167
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Craig Topper [Sun, 29 May 2016 02:39:20 +0000 (02:39 +0000)]
[IR] Teach the ArrayRef<int> form of IRBuilder::CreateShuffleVector to use ConstantDataVector.
This will be used in a follow up commit to simplify code in clang that creates a ConstantDataVector and calls the other form.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271164
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Rafael Espindola [Sun, 29 May 2016 01:57:20 +0000 (01:57 +0000)]
Add RelaxELFRelocations to TargetOptions.h.
It will be used in clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271161
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Rafael Espindola [Sun, 29 May 2016 01:11:00 +0000 (01:11 +0000)]
Move RelaxELFRel out to llvm-mc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271160
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Davide Italiano [Sun, 29 May 2016 00:41:17 +0000 (00:41 +0000)]
[PM] Reassociate: cache analyses more aggressively.
While here, add a FIXME for setPreserveCFG().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271159
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Sanjoy Das [Sun, 29 May 2016 00:38:29 +0000 (00:38 +0000)]
[SCEV] Remove \brief from comments; NFC
With autobrief, \brief is not required.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271158
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Sanjoy Das [Sun, 29 May 2016 00:38:22 +0000 (00:38 +0000)]
[SCEV] Consolidate comments; NFC
Consolidate documentation by removing comments from the .cpp file where
the comments in the .cpp file were copy-pasted from the header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271157
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Sanjoy Das [Sun, 29 May 2016 00:38:00 +0000 (00:38 +0000)]
[SCEV] Rename functions to LLVM style; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271156
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Sanjoy Das [Sun, 29 May 2016 00:37:45 +0000 (00:37 +0000)]
[SCEV] Remove unused function; NFC
Moreover, I've never seen globally scoped `static inline` functions
elsewhere in LLVM, so this pattern is unusual if not unidiomatic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271155
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Sanjoy Das [Sun, 29 May 2016 00:36:42 +0000 (00:36 +0000)]
[SCEV] Comment and whitesapce changes in header
- Use doxygen-style comments
- Don't repeat member names in comments
- Add newlines between declarations
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271154
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Sanjoy Das [Sun, 29 May 2016 00:36:25 +0000 (00:36 +0000)]
[IndVars] Eliminate op.with.overflow when possible (re-apply)
Summary:
If we can prove that an op.with.overflow intrinsic does not overflow, we
can get rid of the intrinsic, and replace it with non-wrapping
arithmetic.
This was first checked in at r265913 but reverted in r265950 because it
exposed some issues around how SCEV handled post-inc add recurrences.
Those issues have now been fixed.
Reviewers: atrick, regehr
Subscribers: sanjoy, mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D18685
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271153
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Sanjoy Das [Sun, 29 May 2016 00:34:42 +0000 (00:34 +0000)]
[SCEV] See through op.with.overflow intrinsics (re-apply)
Summary:
This change teaches SCEV to see reduce `(extractvalue
0 (op.with.overflow X Y))` into `op X Y` (with a no-wrap tag if
possible).
This was first checked in at r265912 but reverted in r265950 because it
exposed some issues around how SCEV handled post-inc add recurrences.
Those issues have now been fixed.
Reviewers: atrick, regehr
Subscribers: mcrosier, mzolotukhin, llvm-commits
Differential Revision: http://reviews.llvm.org/D18684
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271152
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Sanjoy Das [Sun, 29 May 2016 00:32:17 +0000 (00:32 +0000)]
[SCEV] Don't always add no-wrap flags to post-inc add recs
Fixes PR27315.
The post-inc version of an add recurrence needs to "follow the same
rules" as a normal add or subtract expression. Otherwise we miscompile
programs like
```
int main() {
int a = 0;
unsigned a_u = 0;
volatile long last_value;
do {
a_u += 3;
last_value = (long) ((int) a_u);
if (will_add_overflow(a, 3)) {
// Leave, and don't actually do the increment, so no UB.
printf("last_value = %ld\n", last_value);
exit(0);
}
a += 3;
} while (a != 46);
return 0;
}
```
This patch changes SCEV to put no-wrap flags on post-inc add recurrences
only when the poison from a potential overflow will go ahead to cause
undefined behavior.
To avoid regressing performance too much, I've assumed infinite loops
without side effects is undefined behavior to prove poison<->UB
equivalence in more cases. This isn't ideal, but is not new to LLVM as
a whole, and far better than the situation I'm trying to fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271151
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Sanjoy Das [Sun, 29 May 2016 00:31:18 +0000 (00:31 +0000)]
[ValueTracking] ICmp instructions propagate poison
This is a stripped down version of D19211, leaving out the questionable
"branching in poison is UB" bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271150
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Davide Italiano [Sun, 29 May 2016 00:31:15 +0000 (00:31 +0000)]
[PM] SCCP should preserve GlobalsAA even if the IR is mutated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271149
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David Majnemer [Sat, 28 May 2016 20:04:50 +0000 (20:04 +0000)]
[COFFDumper] Validate that the next offset is not too large
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271147
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David Majnemer [Sat, 28 May 2016 20:04:48 +0000 (20:04 +0000)]
[COFFDumper] Make sure there is sufficient padding left in the string table
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271146
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David Majnemer [Sat, 28 May 2016 20:04:46 +0000 (20:04 +0000)]
[SymbolDumper] Validate the string table offset before using it
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271145
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David Majnemer [Sat, 28 May 2016 19:45:58 +0000 (19:45 +0000)]
[COFFDumper] Make sure there is sufficient padding left in the checksum
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271143
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David Majnemer [Sat, 28 May 2016 19:45:56 +0000 (19:45 +0000)]
[SymbolDumper] Validate the string table offset before using it
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271142
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David Majnemer [Sat, 28 May 2016 19:45:54 +0000 (19:45 +0000)]
[CVSymbolVisitor] It's possible for an error to occur in begin()
If the begin iterator fails, we cannot dereference it's contents.
Instead, we must immediately stop processing symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271141
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David Majnemer [Sat, 28 May 2016 19:45:51 +0000 (19:45 +0000)]
[Object] Return an error code instead of asserting
This makes it easier to report errors up the stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271140
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