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George Karpenkov [Tue, 23 May 2017 21:58:54 +0000 (21:58 +0000)]
Disable coverage opt-out for strong postdominator blocks.
Coverage instrumentation has an optimization not to instrument extra
blocks, if the pass is already "accounted for" by a
successor/predecessor basic block.
However (https://github.com/google/sanitizers/issues/783) this
reasoning may become circular, which stops valid paths from having
coverage.
In the worst case this can cause fuzzing to stop working entirely.
This change simplifies logic to something which trivially can not have
such circular reasoning, as losing valid paths does not seem like a
good trade-off for a ~15% decrease in the # of instrumented basic blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303698
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Tim Northover [Tue, 23 May 2017 21:53:11 +0000 (21:53 +0000)]
Revert LLVM changes for "Sema: allow imaginary constants via GNU extension if UDL overloads not present."
The changes accidentally crept into a Clang commit I was making.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303697
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Rui Ueyama [Tue, 23 May 2017 21:50:40 +0000 (21:50 +0000)]
[git-llvm] Check if svn is installed.
The error message that git-llvm script prints out when svn is missing
is very cryptic. I spent a fair amount of time to find what was wrong
with my environment. It looks like many newcomers also exprienced a
hard time to submit their first patches due to this error.
This patch adds a more user-friendly error message.
Differential Revision: https://reviews.llvm.org/D33458
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303696
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Vadzim Dambrouski [Tue, 23 May 2017 21:49:42 +0000 (21:49 +0000)]
[MSP430] Add subtarget features for hardware multiplier.
Also add more processors to make -mcpu option behave similar to gcc.
Differential Revision: https://reviews.llvm.org/D33335
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303695
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Tim Northover [Tue, 23 May 2017 21:41:49 +0000 (21:41 +0000)]
Sema: allow imaginary constants via GNU extension if UDL overloads not present.
C++14 added user-defined literal support for complex numbers so that you can
write something like "complex<double> val = 2i". However, there is an existing
GNU extension supporting this syntax and interpreting the result as a _Complex
type.
This changes parsing so that such literals are interpreted in terms of C++14's
operators if an overload is present but otherwise falls back to the original
GNU extension.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303694
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Reid Kleckner [Tue, 23 May 2017 21:35:32 +0000 (21:35 +0000)]
Silence MSVC warning about unsigned integer overflow, which has defined behavior
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303693
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Francis Visoiu Mistrih [Tue, 23 May 2017 21:28:41 +0000 (21:28 +0000)]
abtest: remove duplicate script
This is fixing a mistake from r303690.
Differential Revision: https://reviews.llvm.org/D33303
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303692
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Simon Pilgrim [Tue, 23 May 2017 21:27:15 +0000 (21:27 +0000)]
[AMDGPU] Add INDIRECT_BASE_ADDR to R600_Reg32 class (PR33045)
This fixes 17 of the 41 -verify-machineinstrs test failures identified in PR33045
Differential Revision: https://reviews.llvm.org/D33451
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303691
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Francis Visoiu Mistrih [Tue, 23 May 2017 21:22:16 +0000 (21:22 +0000)]
AsmPrinter: mark the beginning and the end of a function in verbose mode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303690
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Tom Stellard [Tue, 23 May 2017 20:35:38 +0000 (20:35 +0000)]
merge-request.sh: Use https url for bugzilla
With the http url, the script fails with:
Connection lost/failed: 411 Client Error: Length Required
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303685
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Changpeng Fang [Tue, 23 May 2017 20:25:41 +0000 (20:25 +0000)]
AMDGPU/SI: Move the local memory usage related checking after calling convention checking in PromoteAlloca
Summary:
Promoting Alloca to Vector and Promoting Alloca to LDS are two independent handling of Alloca and should not affect each other.
As a result, we should not give up promoting to vector if there is not enough LDS. This patch factors out the local memory usage
related checking out and replace it after the calling convention checking.
Reviewer:
arsenm
Differential Revision:
http://reviews.llvm.org/D33139
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303684
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Daniel Sanders [Tue, 23 May 2017 20:02:48 +0000 (20:02 +0000)]
Fix unused variable warnings after r303678
This should fix lld-x86_64-darwin13
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303683
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Geoff Berry [Tue, 23 May 2017 19:57:45 +0000 (19:57 +0000)]
[AArch64][Falkor] Refine sched details for LSLfast/ASRfast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303682
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Stanislav Mekhanoshin [Tue, 23 May 2017 19:54:48 +0000 (19:54 +0000)]
[AMDGPU] Combine and (srl) into shl (bfe)
Perform DAG combine:
and (srl x, c), mask => shl (bfe x, nb + c, mask >> nb), nb
Where nb is a number of trailing zeroes in mask.
It replaces two instructions with two and BFE is generally a more
expensive one. However this is only done if we are selecting a byte
or word at an aligned boundary which results in a proper SDWA
operand pattern. It is only done if SDWA is supported.
TODO: improve SDWA pass to actually convert this pattern. It is not
done now because we have an immediate in the instruction, which has
be moved into a VGPR.
Differential Revision: https://reviews.llvm.org/D33455
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303681
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Geoff Berry [Tue, 23 May 2017 19:54:28 +0000 (19:54 +0000)]
[AArch64][Falkor] Fix sched details for FMOV of WZR/XZR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303680
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Oleg Ranevskyy [Tue, 23 May 2017 19:38:37 +0000 (19:38 +0000)]
[ARM] Temporarily disable globals promotion to constant pools to prevent miscompilation
Summary:
A temporary workaround for PR32780 - rematerialized instructions accessing the same promoted global through different constant pool entries.
The patch turns off the globals promotion optimization leaving all its code in place, so that it can be easily turned on once PR32780 is fixed.
Since this is a miscompilation issue causing generation of misbehaving code, and the problem is very subtle, the patch might be valuable enough to get into 4.0.1.
Reviewers: efriedma, jmolloy
Reviewed By: efriedma
Subscribers: aemerson, javed.absar, llvm-commits, rengolin, asl, tstellar
Differential Revision: https://reviews.llvm.org/D33446
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303679
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Daniel Sanders [Tue, 23 May 2017 19:33:16 +0000 (19:33 +0000)]
[globalisel][tablegen] Add support for (set $dst, 1) and test X86's OptForSize predicate.
Summary:
It's rare but a small number of patterns use IntInit's at the root of the match.
On X86, one such rule is enabled by the OptForSize predicate and causes the
compiler to use the smaller:
%0 = MOV32r1
instead of the usual:
%0 = MOV32ri 1
This patch adds support for matching IntInit's at the root and uses this as a
test case for the optsize attribute that was implemented in r301750
Reviewers: qcolombet, ab, t.p.northover, rovka, kristof.beyls, aditya_nandakumar
Reviewed By: qcolombet
Subscribers: igorb, llvm-commits
Differential Revision: https://reviews.llvm.org/D32791
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303678
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Zachary Turner [Tue, 23 May 2017 18:56:23 +0000 (18:56 +0000)]
[CodeView] Eliminate redundant hashes and allocations.
When writing field list records, we would construct a temporary
type serializer that shared a bump ptr allocator with the rest
of the application, so anything allocated from here would live
forever. Furthermore, this temporary serializer had all the
properties of a full blown serializer including record hashing
and de-duplication.
These features are required when you're merging multiple type
streams into each other, because different streams may contain
identical records, but records from the same type stream will
never collide with each other. So all of this hashing was
unnecessary.
To solve this, two fixes are made:
1) The temporary serializer keeps its own bump ptr allocator
instead of sharing a global one. When it's finished, all of
its memory is freed.
2) Instead of using the same temporary serializer for the life
of an entire type stream, we use it only for the life of a single
field list record and delete it when the field list record is
completed. This way the hash table will not grow as other
records from the same type stream get inserted. Further improvements
could eliminate hashing entirely from this codepath.
This reduces the link time by 85% in my test, from 1 minute to 9
seconds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303676
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Nirav Dave [Tue, 23 May 2017 18:53:02 +0000 (18:53 +0000)]
[DAG] Add AddressSpace parameter to canMergeStoresTo. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303673
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Craig Topper [Tue, 23 May 2017 18:42:58 +0000 (18:42 +0000)]
[InstSimplify] Add more tests for undef inputs and multiplying by 0 for the add/sub/mul with overflow intrinsics. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303671
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Yuka Takahashi [Tue, 23 May 2017 18:39:08 +0000 (18:39 +0000)]
[GSoC] Shell autocompletion for clang
Summary:
This is a first patch for GSoC project, bash-completion for clang.
To use this on bash, please run `source clang/utils/bash-autocomplete.sh`.
bash-autocomplete.sh is code for bash-completion.
Simple flag completion and path completion is available in this patch.
Reviewers: teemperor, v.g.vassilev, ruiu, Bigcheese, efriedma
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33237
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303670
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David Blaikie [Tue, 23 May 2017 18:36:07 +0000 (18:36 +0000)]
Fix DIEHash refactoring that dropped the DW_AT_name from the hash
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303669
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Nirav Dave [Tue, 23 May 2017 18:33:09 +0000 (18:33 +0000)]
[DAG] Add canMergeStoresTo predicate checks. NFCI.
Propagate canMergeStoresTo checks to missing cases in StoreMerge.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303668
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Reid Kleckner [Tue, 23 May 2017 18:28:13 +0000 (18:28 +0000)]
Speculative build fix for non-Windows
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303667
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David Blaikie [Tue, 23 May 2017 18:27:09 +0000 (18:27 +0000)]
Refactor DWARF hashing to use a .def file to avoid repetition
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303666
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Reid Kleckner [Tue, 23 May 2017 18:23:59 +0000 (18:23 +0000)]
[PDB] Hash types up front when merging types instead of using StringMap
Summary:
First, StringMap uses llvm::HashString, which is only good for short
identifiers and really bad for large blobs of binary data like type
records. Moving to `DenseMap<StringRef, TypeIndex>` with some tricks for
memory allocation fixes that.
Unfortunately, that didn't buy very much performance. Profiling showed
that we spend a long time during DenseMap growth rehashing existing
entries. Also, in general, DenseMap is faster when the keys are small.
This change takes that to the logical conclusion by introducing a small
wrapper value type around a pointer to key data. The key data contains a
precomputed hash, the original record data (pointer and size), and the
type index, which is the "value" of our original map.
This reduces the time to produce llvm-as.exe and llvm-as.pdb from ~15s
on my machine to 3.5s, which is about a 4x improvement.
Reviewers: zturner, inglorion, ruiu
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33428
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303665
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Craig Topper [Tue, 23 May 2017 17:57:36 +0000 (17:57 +0000)]
[InstSimplify] auto-generate test checks. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303664
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Sanjay Patel [Tue, 23 May 2017 17:51:22 +0000 (17:51 +0000)]
[InstCombine] auto-generate test checks; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303663
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Sanjay Patel [Tue, 23 May 2017 17:29:58 +0000 (17:29 +0000)]
[InstCombine] allow icmp-xor folds for vectors (PR33138)
This fixes the first part of:
https://bugs.llvm.org/show_bug.cgi?id=33138
More work is needed for the bitcasted variant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303660
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Craig Topper [Tue, 23 May 2017 17:20:18 +0000 (17:20 +0000)]
[InstCombine] Use update_test_checks to regenerate the ctpop test. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303659
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Marek Olsak [Tue, 23 May 2017 17:14:34 +0000 (17:14 +0000)]
AMDGPU: Fold CI-specific complex SMRD patterns into existing complex patterns
This is just a cleanup. Also, it adds checking that ByteCount is aligned to 4.
Reviewers: arsenm, nhaehnle, tstellarAMD
Subscribers: kzhuravl, wdng, yaxunl, tony-tye
Differential Revision: https://reviews.llvm.org/D28994
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303658
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Reid Kleckner [Tue, 23 May 2017 17:03:28 +0000 (17:03 +0000)]
Commit AttributeList change that was supposed to be part of r303654
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303656
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Ulrich Weigand [Tue, 23 May 2017 17:03:23 +0000 (17:03 +0000)]
[RuntimeDyld, PowerPC] Fix regression from r303637
Actually, to identify external symbols, we need to check for
*either* non-null Value.SymbolName *or* a SymType of
Symbol::ST_Unknown.
The former may happen for symbols not known to the JIT at all
(e.g. defined in a native library), while the latter happens
for symbols known to the JIT, but defined in a different module.
Fixed several regressions on big-endian ppc64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303655
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Reid Kleckner [Tue, 23 May 2017 17:01:48 +0000 (17:01 +0000)]
[IR] Switch AttributeList to use an array for O(1) access
Summary:
Before this change, AttributeLists stored a pair of index and
AttributeSet. This is memory efficient if most arguments do not have
attributes. However, it requires doing a search over the pairs to test
an argument or function attribute. Profiling shows that this loop was
0.76% of the time in 'opt -O2' of sqlite3.c, because LLVM constantly
tests values for nullability.
This was worth about 2.5% of mid-level optimization cycles on the
sqlite3 amalgamation. Here are the full perf results:
https://reviews.llvm.org/P7995
Here are just the before and after cycle counts:
```
$ perf stat -r 5 ./opt_before -O2 sqlite3.bc -o /dev/null
13,274,181,184 cycles # 3.047 GHz ( +- 0.28% )
$ perf stat -r 5 ./opt_after -O2 sqlite3.bc -o /dev/null
12,906,927,263 cycles # 3.043 GHz ( +- 0.51% )
```
This patch *does not* change the indices used to query attributes, as
requested by reviewers. Tracking whether an index is usable for array
indexing is a huge pain that affects many of the internal APIs, so it
would be good to come back later and do a cleanup to remove this
internal adjustment.
Reviewers: pete, chandlerc
Subscribers: javed.absar, llvm-commits
Differential Revision: https://reviews.llvm.org/D32819
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303654
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Sanjay Patel [Tue, 23 May 2017 16:53:05 +0000 (16:53 +0000)]
[InstCombine] add icmp-xor tests to show vector neglect; NFC
Also, rename the tests and the file, add comments, and add more tests
because there are no existing tests for some of these folds.
These patterns are particularly important for crippled vector ISAs that
have limited compare predicates (PR33138).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303652
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Stanislav Mekhanoshin [Tue, 23 May 2017 15:59:58 +0000 (15:59 +0000)]
[AMDGPU] Convert shl (add) into add (shl)
shl (or|add x, c2), c1 => or|add (shl x, c1), (c2 << c1)
This allows to fold a constant into an address in some cases as
well as to eliminate second shift if the expression is used as
an address and second shift is a result of a GEP.
Differential Revision: https://reviews.llvm.org/D33432
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303641
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Zachary Turner [Tue, 23 May 2017 15:50:37 +0000 (15:50 +0000)]
Revert "Make TypeSerializer's StringMap use the same allocator."
This reverts commit
e34ccb7b57da25cc89ded913d8638a2906d1110a.
This is causing failures on the ASAN bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303640
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Simon Atanasyan [Tue, 23 May 2017 15:00:30 +0000 (15:00 +0000)]
[mips] Remove unused class field. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303639
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Simon Atanasyan [Tue, 23 May 2017 15:00:26 +0000 (15:00 +0000)]
[mips] Change type of MipsSubtarget ctor arguments s/std::string/StringRef/. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303638
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Ulrich Weigand [Tue, 23 May 2017 14:51:18 +0000 (14:51 +0000)]
[RuntimeDyld, PowerPC] Fix check for external symbols when detecting reloction overflow
The PowerPC part of processRelocationRef currently assumes that external
symbols can be identified by checking for SymType == SymbolRef::ST_Unknown.
This is actually incorrect in some cases, causing relocation overflows to
be mis-detected. The correct check is to test whether Value.SymbolName
is null.
Includes test case. Note that it is a bit tricky to replicate the exact
condition that triggers the bug in a test case. The one included here
seems to fail reliably (before the fix) across different operating
system versions on Power, but it still makes a few assumptions (called
out in the test case comments).
Also add ppc64le platform name to the supported list in the lit.local.cfg
files for the MCJIT and OrcMCJIT directories, since those tests were
currently not run at all.
Fixes PR32650.
Reviewer: hfinkel
Differential Revision: https://reviews.llvm.org/D33402
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303637
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Anna Thomas [Tue, 23 May 2017 13:36:25 +0000 (13:36 +0000)]
[JumpThreading] Safely replace uses of condition
This patch builds over https://reviews.llvm.org/rL303349 and replaces
the use of the condition only if it is safe to do so.
We should not blindly RAUW the condition if experimental.guard or assume
is a use of that
condition. This is because LVI may have used the guard/assume to
identify the
value of the condition, and RUAWing will fold the guard/assume and uses
before the guards/assumes.
Reviewers: sanjoy, reames, trentxintong, mkazantsev
Reviewed by: sanjoy, reames
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33257
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303633
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Ulrich Weigand [Tue, 23 May 2017 12:43:57 +0000 (12:43 +0000)]
[RuntimeDyld, PowerPC] Fix relocation detection overflow
Code in RuntimeDyldELF currently uses 32-bit temporaries to detect
whether a PPC64 relocation target is out of range. This is incorrect,
and can mis-detect overflow where the distance between relocation site
and target is close to a multiple of 4GB. Fixed by using 64-bit
temporaries.
Noticed while debugging PR32650.
Reviewer: hfinkel
Differential Revision: https://reviews.llvm.org/D33403
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303632
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Sam Kolton [Tue, 23 May 2017 10:08:55 +0000 (10:08 +0000)]
[AMDGPU] SDWA: Add assembler support for GFX9
Summary:
Added separate pseudo and real instruction for GFX9 SDWA instructions.
Currently supports only in assembler.
Depends D32493
Reviewers: vpykhtin, artem.tamazov
Subscribers: arsenm, kzhuravl, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye
Differential Revision: https://reviews.llvm.org/D33132
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303620
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Florian Hahn [Tue, 23 May 2017 09:33:34 +0000 (09:33 +0000)]
[AArch64] Make instruction fusion more aggressive.
Summary:
This patch makes instruction fusion more aggressive by
* adding artificial edges between the successors of FirstSU and
SecondSU, similar to BaseMemOpClusterMutation::clusterNeighboringMemOps.
* updating PostGenericScheduler::tryCandidate to keep clusters together,
similar to GenericScheduler::tryCandidate.
This change increases the number of AES instruction pairs generated on
Cortex-A57 and Cortex-A72. This doesn't change code at all in
most benchmarks or general code, but we've seen improvement on kernels
using AESE/AESMC and AESD/AESIMC.
Reviewers: evandro, kristof.beyls, t.p.northover, silviu.baranga, atrick, rengolin, MatzeB
Reviewed By: evandro
Subscribers: aemerson, rengolin, MatzeB, javed.absar, llvm-commits
Differential Revision: https://reviews.llvm.org/D33230
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303618
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Igor Breger [Tue, 23 May 2017 08:23:51 +0000 (08:23 +0000)]
[GlobalISel][X86] G_LOAD/G_STORE vec256/512 support
Summary: mark G_LOAD/G_STORE vec256/512 legal for AVX/AVX512. Implement instruction selection.
Reviewers: zvi, guyblank
Reviewed By: zvi
Subscribers: rovka, llvm-commits, kristof.beyls
Differential Revision: https://reviews.llvm.org/D33268
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303617
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Craig Topper [Tue, 23 May 2017 07:18:37 +0000 (07:18 +0000)]
[KnownBits] Use !hasConflict() in asserts in place of Zero & One == 0 or similar. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303614
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Ayal Zaks [Tue, 23 May 2017 07:08:02 +0000 (07:08 +0000)]
[LV] Report multiple reasons for not vectorizing under allowExtraAnalysis
The default behavior of -Rpass-analysis=loop-vectorizer is to report only the
first reason encountered for not vectorizing, if one is found, at which time the
vectorizer aborts its handling of the loop. This patch allows multiple reasons
for not vectorizing to be identified and reported, at the potential expense of
additional compile-time, under allowExtraAnalysis which can currently be turned
on by Clang's -fsave-optimization-record and opt's -pass-remarks-missed.
Removed from LoopVectorizationLegality::canVectorize() the redundant checking
and reporting if we CantComputeNumberOfIterations, as LAI::canAnalyzeLoop() also
does that. This redundancy is caught by a lit test once multiple reasons are
reported.
Patch initially developed by Dror Barak.
Differential Revision: https://reviews.llvm.org/D33396
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303613
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David Blaikie [Tue, 23 May 2017 06:48:53 +0000 (06:48 +0000)]
libDebugInfo: Support symbolizing using DWP files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303609
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Akira Hatanaka [Tue, 23 May 2017 06:08:37 +0000 (06:08 +0000)]
[AArch64] Fix PRR33100.
This commit fixes a bug introduced in r301019 where optimizeLogicalImm
would replace a logical node's immediate operand that was CSE'd and
was also an operand of another node.
This commit fixes the bug by replacing the logical node instead of its
immediate operand.
rdar://problem/
32295276
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303607
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Amaury Sechet [Tue, 23 May 2017 05:42:54 +0000 (05:42 +0000)]
Update expected result for or-branch.ll . NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303606
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Galina Kistanova [Tue, 23 May 2017 05:00:10 +0000 (05:00 +0000)]
Cosmetic. Added braces to address gcc warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303602
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NAKAMURA Takumi [Tue, 23 May 2017 04:49:24 +0000 (04:49 +0000)]
TypeStreamMerger.h: Fix a \param in r303577. [-Wdocumentation]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303601
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Galina Kistanova [Tue, 23 May 2017 01:20:52 +0000 (01:20 +0000)]
Added LLVM_FALLTHROUGH to address gcc warning: this statement may fall through.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303597
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Galina Kistanova [Tue, 23 May 2017 01:07:19 +0000 (01:07 +0000)]
Added LLVM_FALLTHROUGH to address gcc warning: this statement may fall through.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303595
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David Blaikie [Tue, 23 May 2017 00:31:24 +0000 (00:31 +0000)]
FIX: Remove debugging assert left in previous commit
Sorry for the bot noise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303592
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David Blaikie [Tue, 23 May 2017 00:30:42 +0000 (00:30 +0000)]
libDebugInfo: Avoid independently parsing the same .dwo file for two separate CUs residing there
NFC, just an optimization. Will be building on this for DWP support
shortly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303591
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Teresa Johnson [Tue, 23 May 2017 00:08:00 +0000 (00:08 +0000)]
Support for taking the max of module flags when linking, use for PIE/PIC
Summary:
Add Max ModFlagBehavior, which can be used to take the max of two
module flag values when merging modules. Use it for the PIE and PIC
levels.
This avoids an error when we try to import from a module built -fpic
into a module built -fPIC, for example. For both PIE and PIC levels,
this will be legal, since the code generation gets more conservative
as the level is increased. Therefore we can take the max instead of
somehow trying to block importing between modules compiled with
different levels.
Reviewers: tmsriram, pcc
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33418
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303590
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Craig Topper [Mon, 22 May 2017 23:50:40 +0000 (23:50 +0000)]
[InstSimplify] Fix the indentation throughout the interface header file.
The forward declarations and the SimplifyQuery class at the beginning of the namespace weren't indented. But the closing brace for SimplifyQuery and everything after it were indented.
This commit makes the whole file consistent to no identation per coding standards. The signature of every function in this file changed a few weeks ago so this isn't a big disturbance to the revision history.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303588
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Davide Italiano [Mon, 22 May 2017 23:47:11 +0000 (23:47 +0000)]
[NewPM] Fix an innocent but silly typo. Reported by Craig Topper.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303587
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Davide Italiano [Mon, 22 May 2017 23:41:40 +0000 (23:41 +0000)]
[NewPM] Add a temporary cl::opt() to test NewGVN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303586
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Galina Kistanova [Mon, 22 May 2017 22:46:31 +0000 (22:46 +0000)]
Added LLVM_FALLTHROUGH to address gcc warning: this statement may fall through.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303585
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Vitaly Buka [Mon, 22 May 2017 21:33:54 +0000 (21:33 +0000)]
[CodeGen] Fix uninitialized variables exposed by r303084
All other calls of analyzeBranch reset PredTBB and PredFBB, so I assume it's
expected behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303581
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Tim Northover [Mon, 22 May 2017 21:28:08 +0000 (21:28 +0000)]
InstructionSimplify: don't speculate about Constants changing.
When presented with an icmp/select pair, we can end up asking what would happen
if we replaced one constant with another in an instruction. This is a mistake,
while non-constant Values could become a constant, constants cannot change and
trying to do so can lead to completely invalid IR (a GEP referencing a
non-existant field in the original case).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303580
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Evgeniy Stepanov [Mon, 22 May 2017 21:11:35 +0000 (21:11 +0000)]
Infer relocation model from module flags in relocatable LTO link.
Fix for PR33096.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303578
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Zachary Turner [Mon, 22 May 2017 21:07:43 +0000 (21:07 +0000)]
Implement various flavors of type merging.
Previous algotirhm assumed that types and ids are in a single
unified stream. For inputs that come from object files, this
is the case. But if the input is already a PDB, or is the result
of a previous merge, then the types and ids will already have
been split up, in which case we need an algorithm that can
accept operate on independent streams of types and ids that
refer across stream boundaries to each other.
Differential Revision: https://reviews.llvm.org/D33417
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303577
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Zachary Turner [Mon, 22 May 2017 21:07:14 +0000 (21:07 +0000)]
Make TypeSerializer's StringMap use the same allocator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303576
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Adrian Prantl [Mon, 22 May 2017 20:47:09 +0000 (20:47 +0000)]
Don't generate line&scope debug info for meta-instructions.
MachineInstructions that don't generate any code (such as
IMPLICIT_DEFs) should not generate any debug info either.
Fixes PR33107.
https://bugs.llvm.org/show_bug.cgi?id=33107
This reapplies r303566 without any modifications. The stage2 build
failures persisted even after reverting this patch, and looking back
through history, it looks like these tests are flaky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303575
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Teresa Johnson [Mon, 22 May 2017 20:28:18 +0000 (20:28 +0000)]
Fix update VP metadata after inlining for instrumentation PGO
Summary:
With instrumentation profiling, when updating the VP metadata after
an inline, VP metadata on the inlined copy was inadvertantly having
all counts zeroed out. This was causing indirect calls from code inlined
during the call step to be marked as cold in the ThinLTO summaries and
not imported.
The CallerBFI needs to be passed down so that the CallSiteCount can be
computed from the profile summary info. With Sample PGO this was working
since the count is extracted from the branch weight metadata on the
call being inlined (even before we stopped looking at metadata for
non-sample PGO in r302844 this largely wasn't working for instrumentation
PGO since only promoted indirect calls would be getting inlined and have
the metadata).
Added an instrumentation PGO test and renamed the sample PGO test.
Reviewers: danielcdh, eraman
Subscribers: mehdi_amini, llvm-commits
Differential Revision: https://reviews.llvm.org/D33389
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303574
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Krzysztof Parzyszek [Mon, 22 May 2017 20:02:53 +0000 (20:02 +0000)]
[Hexagon] Fix definitions of vector predicate loads and stores
This fixes http://llvm.org/PR33048.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303572
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Craig Topper [Mon, 22 May 2017 19:28:36 +0000 (19:28 +0000)]
[DataLayout] Add llvm_unreachable to the default of a nested switch statement that covers all values given to it by the outer switch. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303571
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Adrian Prantl [Mon, 22 May 2017 18:50:12 +0000 (18:50 +0000)]
Revert "Don't generate line&scope debug info for meta-instructions."
This reverts commit r303566 while investigating a stage2 buildbot failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303570
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Stanislav Mekhanoshin [Mon, 22 May 2017 16:58:10 +0000 (16:58 +0000)]
[AMDGPU] Narrow lshl from 64 to 32 bit if possible
Turn expensive 64 bit shift into 32 bit if shift does not overflow int:
shl (ext x) => zext (shl x)
Differential Revision: https://reviews.llvm.org/D33367
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303569
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Xinliang David Li [Mon, 22 May 2017 16:41:57 +0000 (16:41 +0000)]
[PartialInlining] Add internal options to enable partial inlining in pass pipeline (off by default)
1. Legacy: -mllvm -enable-partial-inlining
2. New: -mllvm -enable-npm-partial-inlining -fexperimental-new-pass-manager
Differential Revision: http://reviews.llvm.org/D33382
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303567
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Adrian Prantl [Mon, 22 May 2017 16:21:02 +0000 (16:21 +0000)]
Don't generate line&scope debug info for meta-instructions.
MachineInstructions that don't generate any code (such as
IMPLICIT_DEFs) should not generate any debug info either.
Fixes PR33107.
https://bugs.llvm.org/show_bug.cgi?id=33107
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303566
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Nirav Dave [Mon, 22 May 2017 15:33:47 +0000 (15:33 +0000)]
[DAG] Rework store merge to loop on load candidates. NFCI.
Continue to consider remaining candidate merges until all possible
merges have been considered.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303560
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Nirav Dave [Mon, 22 May 2017 15:04:08 +0000 (15:04 +0000)]
[X86] Remove target feature info from mul-i256.ll test. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303558
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Valery Pykhtin [Mon, 22 May 2017 13:09:40 +0000 (13:09 +0000)]
[AMDGPU] Fix incorrect register usage tracking in GCNUpwardTracker
Differential revision: https://reviews.llvm.org/D33289
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303548
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Simon Atanasyan [Mon, 22 May 2017 12:47:41 +0000 (12:47 +0000)]
[mips] Support micromips attribute passed by front-end
This patch adds handling of the `micromips` and `nomicromips` attributes
passed by front-end. The patch depends on D33363.
Differential revision: https://reviews.llvm.org/D33364
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303545
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Artur Pilipenko [Mon, 22 May 2017 12:06:57 +0000 (12:06 +0000)]
[LoopPredication] NFC. Add extra debug output in case we fail to parse the range check
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303544
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Artur Pilipenko [Mon, 22 May 2017 12:01:32 +0000 (12:01 +0000)]
[LoopPredication] NFC. Move a nested struct declaration before the fields, clang-format a bit
This will simplify the diff for an upcoming review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303543
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Daniel Sanders [Mon, 22 May 2017 10:14:33 +0000 (10:14 +0000)]
Revert r303259 - [globalisel][tablegen] Import rules containing intrinsic_wo_chain.
It's causing some buildbots to timeout whenever tablegen needs re-compilation,
particularly those with -fsanitize=memory but not only them. A compile time
regression was expected since it triples the amount of SelectionDAG rules we
are able to import but it's currently too high.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303542
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James Molloy [Mon, 22 May 2017 09:42:07 +0000 (09:42 +0000)]
Re-apply r302416: [ARM] Clear the constant pool cache on explicit .ltorg directives
Re-applying now that PR32825 which was raised on the commit this fixed up is now known to have also been fixed by this commit.
Original commit message:
Multiple ldr pseudoinstructions with the same constant value will
reuse the same constant pool entry. However, if the constant pool
is explicitly flushed with a .ltorg directive, we should not try
to reference constants in the previous pool any longer, since they
may be out of range.
This fixes assembling hand-written assembler source which repeatedly
loads the same constant value, across a binary size larger than the
pc-relative fixup range for ldr instructions (4096 bytes). Such
assembler source already uses explicit .ltorg instructions to emit
constant pools with regular intervals. However if we try to reuse
constants emitted in earlier pools, they end up out of range.
This makes the output of the testcase match what binutils gas does
(prior to this patch, it would fail to assemble).
Differential Revision: https://reviews.llvm.org/D32847
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303540
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James Molloy [Mon, 22 May 2017 09:42:01 +0000 (09:42 +0000)]
Re-apply r286006: Fix 24560: assembler does not share constant pool for same constants
Re-applying now that the open bug on this commit, PR32825, is known to be fixed.
Original commit message:
Summary: This patch returns the same label if the CP entry with the same value has been created.
Reviewers: eli.friedman, rengolin, jmolloy
Subscribers: majnemer, jmolloy, llvm-commits
Differential Revision: https://reviews.llvm.org/D25804
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303539
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Strahinja Petrovic [Mon, 22 May 2017 09:06:44 +0000 (09:06 +0000)]
[MIPS] Add support to match more patterns for DINS instruction
This patch adds support for recognizing patterns to match
DINS instruction.
Differential Revision: https://reviews.llvm.org/D31465
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303537
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James Molloy [Mon, 22 May 2017 08:49:28 +0000 (08:49 +0000)]
Revert "[ARM] Clear the constant pool cache on explicit .ltorg directives"
This reverts commit r302416. This was a fixup for r286006, which has now been reverted so this doesn't apply (either in concept or in code).
This commit itself has no problems, but the underlying issue it was fixing has now disappeared from the codebase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303536
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James Molloy [Mon, 22 May 2017 08:42:47 +0000 (08:42 +0000)]
Revert "Fix 24560: assembler does not share constant pool for same constants"
This reverts commit r286006. It caused PR32825 and wasn't fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303535
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Amaury Sechet [Mon, 22 May 2017 07:49:16 +0000 (07:49 +0000)]
Regenerate expected result for test constant-combines.ll . NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303533
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David Blaikie [Mon, 22 May 2017 07:02:47 +0000 (07:02 +0000)]
libDebugInfo/DWARF: Apply relocations for debug_addr addresses in object files
llvm-symbolizer would fail to symbolize addresses in unlinked object
files when handling .dwo file data because the addresses would not be
relocated in the same way as the ranges in the skeleton CU in the object
file.
Fix that so object files can be symbolized the same as executables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303532
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Sanjoy Das [Mon, 22 May 2017 06:46:04 +0000 (06:46 +0000)]
[SCEV] Clarify behavior around max backedge taken count
This is a re-application of a r303497 that was reverted in r303498.
I thought it had broken a bot when it had not (the breakage did not
go away with the revert).
This change makes the split between the "exact" backedge taken count
and the "maximum" backedge taken count a bit more obvious. Both of
these are upper bounds on the number of times the loop header
executes (since SCEV does not account for most kinds of abnormal
control flow), but the latter is guaranteed to be a constant.
There were a few places where the max backedge taken count *was* a
non-constant; I've changed those to compute constants instead.
At this point, I'm not sure if the constant max backedge count can be
computed by calling `getUnsignedRange(Exact).getUnsignedMax()` without
losing precision. If it can, we can simplify even further by making
`getMaxBackedgeTakenCount` a thin wrapper around
`getBackedgeTakenCount` and `getUnsignedRange`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303531
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Zvi Rackover [Mon, 22 May 2017 06:39:12 +0000 (06:39 +0000)]
[X86] Add (ix bitcast(vsetcc)) test cases with illegal types. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303530
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Craig Topper [Mon, 22 May 2017 06:25:31 +0000 (06:25 +0000)]
[InstCombine] Cleanup the interface for overflow checks
Summary:
Fix naming conventions and const correctness.
This completes the changes made in rL303029.
Patch by Yoav Ben-Shalom.
Reviewers: craig.topper
Reviewed By: craig.topper
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33377
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303529
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Amaury Sechet [Mon, 22 May 2017 06:06:45 +0000 (06:06 +0000)]
Add a test case for large integer subtraction via subcarry. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303528
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Amaury Sechet [Mon, 22 May 2017 02:31:42 +0000 (02:31 +0000)]
Add test case for subcarry optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303525
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Craig Topper [Mon, 22 May 2017 00:49:35 +0000 (00:49 +0000)]
[SimplifyCFG] Prevent a few APInt copies on method calls that return const reference. NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303523
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Craig Topper [Mon, 22 May 2017 00:49:33 +0000 (00:49 +0000)]
[KnownBits] Use isNegative/isNonNegative to shorten some code. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303522
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Daniel Berlin [Sun, 21 May 2017 23:41:58 +0000 (23:41 +0000)]
NewGVN: Fix PR 33116, the memoryphi version of bug 32838.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303521
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Daniel Berlin [Sun, 21 May 2017 23:41:56 +0000 (23:41 +0000)]
NewGVN: Cleanup some repeated code using some templated helpers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303520
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Daniel Berlin [Sun, 21 May 2017 23:41:53 +0000 (23:41 +0000)]
NewGVN: Fix printing of simplified expression
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303519
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Daniel Berlin [Sun, 21 May 2017 23:41:51 +0000 (23:41 +0000)]
SmallPtrSetImpl/SmallPtrSet: Add a public value_type and key_type
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303518
91177308-0d34-0410-b5e6-
96231b3b80d8
Davide Italiano [Sun, 21 May 2017 20:55:53 +0000 (20:55 +0000)]
[NewGVN] Actually check the NewGVN output.
Apparently I messed up squashing two consecutive commits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303516
91177308-0d34-0410-b5e6-
96231b3b80d8