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Nemanja Ivanovic [Sat, 11 Apr 2015 10:40:42 +0000 (10:40 +0000)]
Add direct moves to/from VSR and exploit them for FP/INT conversions
This patch corresponds to review:
http://reviews.llvm.org/D8928
It adds direct move instructions to/from VSX registers to GPR's. These are
exploited for FP <-> INT conversions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234682
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Alexander Kornienko [Sat, 11 Apr 2015 02:11:45 +0000 (02:11 +0000)]
Use 'override/final' instead of 'virtual' for overridden methods
The patch is generated using clang-tidy misc-use-override check.
This command was used:
tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py \
-checks='-*,misc-use-override' -header-filter='llvm|clang' \
-j=32 -fix -format
http://reviews.llvm.org/D8925
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234679
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Duncan P. N. Exon Smith [Sat, 11 Apr 2015 01:00:47 +0000 (01:00 +0000)]
DebugInfo: Rewrite atSameLineAs() as MDLocation::canDiscriminate()
Rewrite `DILocation::atSameLineAs()` as `MDLocation::canDiscriminate()`
with a doxygen comment explaining its purpose. I've added a few FIXMEs
where I think this check is too weak; fixing that is tracked by PR23199.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234674
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Lang Hames [Sat, 11 Apr 2015 00:56:21 +0000 (00:56 +0000)]
[Orc] Update kaleidoscope tutorial for API change in r234669.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234673
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Duncan P. N. Exon Smith [Sat, 11 Apr 2015 00:45:24 +0000 (00:45 +0000)]
DebugInfo: Remove dead DIRef friends
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234672
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Duncan P. N. Exon Smith [Sat, 11 Apr 2015 00:39:43 +0000 (00:39 +0000)]
DebugInfo: Add forwarding getFilename() accessor to new hierarchy
Add forwarding `getFilename()` and `getDirectory()` accessors to nodes
in the new hierarchy that define a `getFile()`. Use that to
re-implement existing functionality in the `DIDescriptor` hierarchy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234671
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Hal Finkel [Sat, 11 Apr 2015 00:33:08 +0000 (00:33 +0000)]
[PowerPC] Fix PPCLoopPreIncPrep for depth > 1 loops
This pass had the same problem as the data-prefetching pass: it was only
checking for depth == 1 loops in practice. Fix that, add some debugging
statements, and make sure that, when we grab an AddRec, it is for the loop we
expect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234670
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Lang Hames [Sat, 11 Apr 2015 00:23:49 +0000 (00:23 +0000)]
[Orc] Tidy up IndirectionUtils API a little, add some comments. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234669
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Philip Reames [Sat, 11 Apr 2015 00:06:47 +0000 (00:06 +0000)]
[Statepoints] Fix a release only build failure
A function which is used only in Asserts builds needs to be defined only in Asserts builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234667
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Ahmed Bougacha [Sat, 11 Apr 2015 00:06:36 +0000 (00:06 +0000)]
[CodeGen] Split -enable-global-merge into ARM and AArch64 options.
Currently, there's a single flag, checked by the pass itself.
It can't force-enable the pass (and is on by default), because it
might not even have been created, as that's the targets decision.
Instead, have separate explicit flags, so that the decision is
consistently made in the target.
Keep the flag as a last-resort "force-disable GlobalMerge" for now,
for backwards compatibility.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234666
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Duncan P. N. Exon Smith [Fri, 10 Apr 2015 23:53:44 +0000 (23:53 +0000)]
DebugInfo: Remove dead DIDescriptor::getDescriptorField()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234665
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Quentin Colombet [Fri, 10 Apr 2015 23:14:34 +0000 (23:14 +0000)]
[AArch64] Strengthen the code for the prologue insertion.
The spilled registers are pristine and thus, correctly handled by
the register scavenger and so on, but the liveness information is
strictly speaking wrong at this point.
Fix that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234664
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Reid Kleckner [Fri, 10 Apr 2015 23:12:29 +0000 (23:12 +0000)]
[WinEH] Recognize SEH finally block inserted by the frontend
This allows winehprepare to build sensible llvm.eh.actions calls for SEH
finally blocks. The pattern matching in this change is brittle and
should be replaced with something more robust soon. In the meantime,
this will let us write the code that produces __C_specific_handler xdata
tables, which we need regardless of how we decide to get finally blocks
through EH preparation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234663
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Philip Reames [Fri, 10 Apr 2015 23:11:26 +0000 (23:11 +0000)]
[RewriteStatepointsForGC] Use a SetVector for a worklist [NFC]
Using a SetVector to replace equivelent but more verbose functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234662
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Tim Northover [Fri, 10 Apr 2015 22:58:48 +0000 (22:58 +0000)]
Generic: Make isMask_N and isShiftedMask_N consistent over 0
Previously, isMask_N returned false for 0 but isShiftedMask_N returned true.
Almost all uses are for pattern matching bitfield operations in the backends,
and expect false (this was discovered because of AArch64's copy of this logic).
Unfortunately, I couldn't put together a small non-fragile test for this. The
nature of the bitfield operations means that this edge case is only really
triggered for nodes like "(and N, 0)", which the DAG combiner is usually very
good at folding away before they get to this stage.
rdar://
20501377
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234659
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Philip Reames [Fri, 10 Apr 2015 22:58:39 +0000 (22:58 +0000)]
[RewriteStatepointsForGC] test case missing from 234657
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234658
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Philip Reames [Fri, 10 Apr 2015 22:53:14 +0000 (22:53 +0000)]
[RewriteStatepointsForGC] Use an actual liveness algorithm
When rewriting statepoints to make relocations explicit, we need to have a conservative but consistent notion of where a particular pointer is live at a particular site. The old code just used dominance, which is correct, but decidedly more conservative then it needed to be. This patch implements a simple dataflow algorithm that's run one per function (well, twice counting fixup after base pointer insertion). There's still lots of room to make this faster, but it's fast enough for all practical purposes today.
Differential Revision: http://reviews.llvm.org/D8674
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234657
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Philip Reames [Fri, 10 Apr 2015 22:34:56 +0000 (22:34 +0000)]
[RewriteStatepointsForGC] clang-format file
Format the entire file to reduce diff of change to follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234656
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Benjamin Kramer [Fri, 10 Apr 2015 22:25:36 +0000 (22:25 +0000)]
[CodeGenPrepare] Report all changes made during instruction sinking
r234638 chained another transform below which was tripping over the
deleted instruction. Use after free found by asan in many regression
tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234654
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Philip Reames [Fri, 10 Apr 2015 22:16:58 +0000 (22:16 +0000)]
[RewriteStatepointsForGC] Missed review comment from 234651 & build fix
After submitting 234651, I noticed I hadn't responded to a review comment by mjacob. This patch addresses that comment and fixes a Release only build problem due to an unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234653
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Philip Reames [Fri, 10 Apr 2015 22:07:04 +0000 (22:07 +0000)]
[RewriteStatepointsForGC] Preprocess the IR to remove unreachable blocks and single entry phis
Two related small changes:
Various dominance based queries about liveness can get confused if we're talking about unreachable blocks. To avoid reasoning about such cases, just remove them before rewriting statepoints.
Remove single entry phis (likely left behind by LCSSA) to reduce the number of live values.
Both of these are motivated by http://reviews.llvm.org/D8674 which will be submitted shortly.
Differential Revision: http://reviews.llvm.org/D8675
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234651
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Philip Reames [Fri, 10 Apr 2015 21:48:25 +0000 (21:48 +0000)]
[RewriteStatepointsForGC] Limited support for vectors of pointers
This patch adds limited support for inserting explicit relocations when there's a vector of pointers live over the statepoint. This doesn't handle the case where the vector contains a mix of base and non-base pointers; that's future work.
The current implementation just scalarizes the vector over the gc.statepoint before doing the explicit rewrite. An alternate approach would be to plumb the vector all the way though the backend lowering, but doing that appears challenging. In particular, the size of the indirect spill slot is currently assumed to be sizeof(pointer) throughout the backend.
In practice, this is enough to allow running the SLP and Loop vectorizers before RewriteStatepointsForGC.
Differential Revision: http://reviews.llvm.org/D8671
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234647
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Sanjoy Das [Fri, 10 Apr 2015 21:07:09 +0000 (21:07 +0000)]
[InstCombine][CodeGenPrep] Create llvm.uadd.with.overflow in CGP.
Summary:
This change moves creating calls to `llvm.uadd.with.overflow` from
InstCombine to CodeGenPrep. Combining overflow check patterns into
calls to the said intrinsic in InstCombine inhibits optimization because
it introduces an intrinsic call that not all other transforms and
analyses understand.
Depends on D8888.
Reviewers: majnemer, atrick
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8889
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234638
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Reid Kleckner [Fri, 10 Apr 2015 19:36:55 +0000 (19:36 +0000)]
Avoid spewing binary to stdout in some filetype=obj tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234627
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Sanjay Patel [Fri, 10 Apr 2015 18:31:42 +0000 (18:31 +0000)]
use update_llc_test_checks.py to tighten checking
test features, not CPUs
remove unnecessary cruft
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234622
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Rafael Espindola [Fri, 10 Apr 2015 18:15:51 +0000 (18:15 +0000)]
Remember if lseek works in this FD.
It will be used in clang in a sec.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234619
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Duncan P. N. Exon Smith [Fri, 10 Apr 2015 18:01:58 +0000 (18:01 +0000)]
DebugInfo: Stop leaking temporaries in DIBuilder::createCompileUnit()
Stop leaking temporary nodes from `DIBuilder::createCompileUnit()`.
`replaceAllUsesWith()` doesn't delete the nodes, so we need to delete
them "manually" (well, `TempMDTuple` does that for us).
Similarly, stop leaking the temporary nodes used for variables of
subprograms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234617
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Rafael Espindola [Fri, 10 Apr 2015 17:52:22 +0000 (17:52 +0000)]
Have one raw_fd_ostream constructor forward to the other.
This fixes some odd behavior differences between the two. In particular,
the version that takes a FD no longer unconditionally sets stdout to binary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234615
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Reid Kleckner [Fri, 10 Apr 2015 17:20:45 +0000 (17:20 +0000)]
[FS] Report errors from llvm::sys::fs::rename on Windows
Previously we would always report success, which is pretty bogus.
I'm too lazy to write a test where rename will portably fail on all
platforms. I'm just trying to fix breakage introduced by r234597, which
happened to tickle this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234611
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Reid Kleckner [Fri, 10 Apr 2015 16:26:42 +0000 (16:26 +0000)]
[WinEH] Try to make outlining invokes work a little better
WinEH currently turns invokes into calls. Long term, we will reconsider
this, but for now, make sure we remap the operands and clone the
successors of the new terminator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234608
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Benjamin Kramer [Fri, 10 Apr 2015 16:02:34 +0000 (16:02 +0000)]
[CallSite] Use the injected base class name. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234606
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Hal Finkel [Fri, 10 Apr 2015 15:05:02 +0000 (15:05 +0000)]
[PowerPC] Prefetching should also consider depth > 1 loops
Iterating over loops from the LoopInfo instance only provides top-level loops.
We need to search the whole tree of loops to find the inner ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234603
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Benjamin Kramer [Fri, 10 Apr 2015 14:50:08 +0000 (14:50 +0000)]
[CallSite] Make construction from Value* (or Instruction*) explicit.
CallSite roughly behaves as a common base CallInst and InvokeInst. Bring
the behavior closer to that model by making upcasts explicit. Downcasts
remain implicit and work as before.
Following dyn_cast as a mental model checking whether a Value *V isa
CallSite now looks like this:
if (auto CS = CallSite(V)) // think dyn_cast
instead of:
if (CallSite CS = V)
This is an extra token but I think it is slightly clearer. Making the
ctor explicit has the advantage of not accidentally creating nullptr
CallSites, e.g. when you pass a Value * to a function taking a CallSite
argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234601
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Toma Tabacu [Fri, 10 Apr 2015 13:28:16 +0000 (13:28 +0000)]
[mips] [IAS] Improve comments in MipsAsmParser::expandLoadImm. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234595
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Chad Rosier [Fri, 10 Apr 2015 13:19:27 +0000 (13:19 +0000)]
[AArch64] Changes some SchedAlias to WriteRes for Cortex-A57.
Using SchedAliases is convenient and works well for latency and resource
lookup for instructions. However, this creates an entry in
AArch64WriteLatencyTable with a WriteResourceID of 0, breaking any
SchedReadAdvance since the lookup will fail.
http://reviews.llvm.org/D8043
Patch by Dave Estes <cestes@codeaurora.org>!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234594
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Chad Rosier [Fri, 10 Apr 2015 13:19:21 +0000 (13:19 +0000)]
[AArch64] Adjusts Cortex-A57 machine model to handle zero shift.
http://reviews.llvm.org/D8043
Patch by Dave Estes <cestes@codeaurora.org>!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234593
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Benjamin Kramer [Fri, 10 Apr 2015 12:46:44 +0000 (12:46 +0000)]
Microoptimize DenseMap::clear.
Cache NumEntries locally, it's only used in an assert and using the member
variable prevents the compiler from eliminating the tombstone check for types
with trivial destructors. No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234589
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Benjamin Kramer [Fri, 10 Apr 2015 11:24:51 +0000 (11:24 +0000)]
Reduce dyn_cast<> to isa<> or cast<> where possible.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234586
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Toma Tabacu [Fri, 10 Apr 2015 10:46:59 +0000 (10:46 +0000)]
[mips] [IAS] Make the mips-expansions-bad.s test more readable. NFC.
Move the check lines below the code lines and change the indentation from 8
spaces to 2 spaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234584
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Kostya Serebryany [Fri, 10 Apr 2015 06:32:29 +0000 (06:32 +0000)]
[lib/Fuzzer] Section: How good is my fuzzer?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234571
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Kostya Serebryany [Fri, 10 Apr 2015 05:44:43 +0000 (05:44 +0000)]
[lib/Fuzzer] explain compatibility with AFL
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234570
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Jingyue Wu [Fri, 10 Apr 2015 05:03:50 +0000 (05:03 +0000)]
Divergence analysis for GPU programs
Summary:
Some optimizations such as jump threading and loop unswitching can negatively
affect performance when applied to divergent branches. The divergence analysis
added in this patch conservatively estimates which branches in a GPU program
can diverge. This information can then help LLVM to run certain optimizations
selectively.
Test Plan: test/Analysis/DivergenceAnalysis/NVPTX/diverge.ll
Reviewers: resistor, hfinkel, eliben, meheff, jholewinski
Subscribers: broune, bjarke.roune, madhur13490, tstellarAMD, dberlin, echristo, jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D8576
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234567
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David Majnemer [Fri, 10 Apr 2015 04:56:17 +0000 (04:56 +0000)]
[WinEHPrepare] Don't rely on the order of IR
The IPToState table must be emitted after we have generated labels for
all functions in the table. Don't rely on the order of the list of
globals. Instead, utilize WinEHFuncInfo to tell us how many catch
handlers we expect to outline. Once we know we've visited all the catch
handlers, emit the cppxdata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234566
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Hal Finkel [Fri, 10 Apr 2015 03:39:00 +0000 (03:39 +0000)]
[PowerPC] Don't crash on PPC32 i64 fp_to_uint on modern cores
When we have an instruction for this (and, thus, don't generate a runtime
call), we need to custom type legalize this (in a trivial way, just as we do
for fp_to_sint).
Fixes PR23173.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234561
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Ahmed Bougacha [Fri, 10 Apr 2015 00:08:48 +0000 (00:08 +0000)]
[AArch64] Promote f16 operations to f32.
For the most common ones (such as fadd), we already did the promotion.
Do the same thing for all the others.
Currently, we'll just crash/assert on all these operations, as
there's no hardware or libcall support whatsoever.
f16 (half) is specified as an interchange - not arithmetic - format,
and is expected to be promoted to single-precision for arithmetic
operations.
While there, teach the legalizer about promoting some of the (mostly
floating-point) operations that we never needed before.
Differential Revision: http://reviews.llvm.org/D8648
See related discussion on the thread for: http://reviews.llvm.org/D8755
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234550
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Nemanja Ivanovic [Thu, 9 Apr 2015 23:54:37 +0000 (23:54 +0000)]
Add LLVM support for remaining integer divide and permute instructions from ISA 2.06
This is the patch corresponding to review:
http://reviews.llvm.org/D8406
It adds some missing instructions from ISA 2.06 to the PPC back end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234546
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Rafael Espindola [Thu, 9 Apr 2015 21:06:08 +0000 (21:06 +0000)]
Simplify use of formatted_raw_ostream.
formatted_raw_ostream is a wrapper over another stream to add column and line
number tracking.
It is used only for asm printing.
This patch moves the its creation down to where we know we are printing
assembly. This has the following advantages:
* Simpler lifetime management: std::unique_ptr
* We don't compute column and line number of object files :-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234535
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Ahmed Bougacha [Thu, 9 Apr 2015 20:04:47 +0000 (20:04 +0000)]
[CodeGen] Combine concat_vector of trunc'd scalar to scalar_to_vector.
We already do:
concat_vectors(scalar, undef) -> scalar_to_vector(scalar)
When the scalar is legal.
When it's not, but is a truncated legal scalar, we can also do:
concat_vectors(trunc(scalar), undef) -> scalar_to_vector(scalar)
Which is equivalent, since the upper lanes are undef anyway.
While there, teach the combine to look at more than 2 operands.
Differential Revision: http://reviews.llvm.org/D8883
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234530
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Juergen Ributzka [Thu, 9 Apr 2015 20:00:46 +0000 (20:00 +0000)]
[AArch64][FastISel] Fix integer extend optimization.
The integer extend optimization tries to fold the extend into the load
instruction. This requires us to identify if the extend has already been
emitted or not and act accordingly on it.
The check that was originally performed for this was not sufficient. Besides
checking the ValueMap for a mapped register we also need to check if the
virtual register has already an associated machine instruction that defines it.
This fixes rdar://problem/
20470788.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234529
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Eric Christopher [Thu, 9 Apr 2015 19:20:37 +0000 (19:20 +0000)]
Remove duplicated code and consolidate initializers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234525
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Rafael Espindola [Thu, 9 Apr 2015 18:32:58 +0000 (18:32 +0000)]
clang-format bits of code to make a followup patch easy to read.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234519
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Rafael Espindola [Thu, 9 Apr 2015 18:29:32 +0000 (18:29 +0000)]
Revert "Refactoring and enhancement to FMA combine."
This reverts commit r234513. It was failing on the bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234518
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Rafael Espindola [Thu, 9 Apr 2015 18:08:15 +0000 (18:08 +0000)]
Define a function with "... llvm::func...".
Using this instead of
namespace llvm {
func...
}
Has the advantage that the build fails with a compiler error if it gets out
of sync with the .h file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234515
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Olivier Sallenave [Thu, 9 Apr 2015 17:55:26 +0000 (17:55 +0000)]
Refactoring and enhancement to FMA combine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234513
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Duncan P. N. Exon Smith [Thu, 9 Apr 2015 17:41:20 +0000 (17:41 +0000)]
IR: Preserve use-list order by default in bitcode
Pull the `-preserve-*-use-list-order` flags out of "experimental" mode,
and preserve use-list order by default when serializing to bitcode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234510
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Rafael Espindola [Thu, 9 Apr 2015 17:16:25 +0000 (17:16 +0000)]
Use a raw_svector_ostream instead of a raw_string_ostream.
It saves a bit of copying.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234507
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Rafael Espindola [Thu, 9 Apr 2015 17:10:57 +0000 (17:10 +0000)]
Don't repeat name in comment. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234506
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Jingyue Wu [Thu, 9 Apr 2015 17:04:28 +0000 (17:04 +0000)]
[NFC] add more comments for SLSR
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234505
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Rafael Espindola [Thu, 9 Apr 2015 16:59:07 +0000 (16:59 +0000)]
Misc cleanup. NFC.
These were lost when I reverted the raw_ostream changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234504
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Rafael Espindola [Thu, 9 Apr 2015 16:43:22 +0000 (16:43 +0000)]
clang-format. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234502
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Rafael Espindola [Thu, 9 Apr 2015 16:37:11 +0000 (16:37 +0000)]
clang-format this constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234501
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Rafael Espindola [Thu, 9 Apr 2015 16:06:26 +0000 (16:06 +0000)]
Don't repeat names in comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234498
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Rafael Espindola [Thu, 9 Apr 2015 16:00:24 +0000 (16:00 +0000)]
Use implicit calls to parent constructor. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234497
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Rafael Espindola [Thu, 9 Apr 2015 15:54:59 +0000 (15:54 +0000)]
This reverts commit r234460 and r234461.
Revert "Add classof implementations to the raw_ostream classes."
Revert "Use the cast machinery to remove dummy uses of formatted_raw_ostream."
The underlying issue can be fixed without classof.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234495
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Javed Absar [Thu, 9 Apr 2015 14:07:28 +0000 (14:07 +0000)]
[ARM] support for Cortex-R4/R4F
Currently, llvm (backend) doesn't know cortex-r4, even though it is the
default target for armv7r. Using "--target=armv7r-arm-none-eabi" provokes
'cortex-r4' is not a recognized processor for this target' by llvm.
This patch adds support for cortex-r4 and, very closely related, r4f.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234486
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Rafael Espindola [Thu, 9 Apr 2015 13:04:20 +0000 (13:04 +0000)]
Nothing inherits from the asm streamer.
Make that explicit and remove protected:
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234484
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Toma Tabacu [Thu, 9 Apr 2015 10:54:16 +0000 (10:54 +0000)]
[mips] Refactor saved-registers bitmask creation in MipsAsmPrinter::printSavedRegsBitmask. NFC.
Summary:
Make the code more readable by fusing the for-loops together and explicitly checking for each register class.
Also, this version is more straightforward because it doesn't assume that FPU registers always come before CPU registers in the CalleeSavedInfo vector.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8033
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234475
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Kristof Beyls [Thu, 9 Apr 2015 08:49:47 +0000 (08:49 +0000)]
[AArch64] Add support for dynamic stack alignment
Differential Revision: http://reviews.llvm.org/D8876
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234471
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Lang Hames [Thu, 9 Apr 2015 05:34:57 +0000 (05:34 +0000)]
[AArch64] Remove redundant -march option. Also fix a think-o from r234462.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234467
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Nick Lewycky [Thu, 9 Apr 2015 05:31:32 +0000 (05:31 +0000)]
Not all triples put _ before function names. Specify a triple to make this test pass on Linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234466
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Craig Topper [Thu, 9 Apr 2015 04:08:48 +0000 (04:08 +0000)]
Use SmallVector instead of std::vector for uniquing X86 disassembler operand sets. The number of operands is a small fixed size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234465
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Craig Topper [Thu, 9 Apr 2015 04:08:46 +0000 (04:08 +0000)]
Simplify some printing code by combining new lines onto previous strings. Don't work so hard not to print a comma on the last entry of an array.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234464
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Craig Topper [Thu, 9 Apr 2015 04:08:42 +0000 (04:08 +0000)]
Don't convert enum to strings just to put them in the uniquing map. Use the enum directly. Only convert to a string for printing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234463
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Lang Hames [Thu, 9 Apr 2015 03:40:33 +0000 (03:40 +0000)]
[AArch64] Teach AArch64TargetLowering::getOptimalMemOpType to consider alignment
restrictions when choosing a type for small-memcpy inlining in
SelectionDAGBuilder.
This ensures that the loads and stores output for the memcpy won't be further
expanded during legalization, which would cause the total number of instructions
for the memcpy to exceed (often significantly) the inlining thresholds.
<rdar://problem/
17829180>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234462
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Rafael Espindola [Thu, 9 Apr 2015 02:28:12 +0000 (02:28 +0000)]
Use the cast machinery to remove dummy uses of formatted_raw_ostream.
If we know we are producing an object, we don't need to wrap the stream
in a formatted_raw_ostream anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234461
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Rafael Espindola [Thu, 9 Apr 2015 02:10:28 +0000 (02:10 +0000)]
Add classof implementations to the raw_ostream classes.
More uses to follow in a another patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234460
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Rafael Espindola [Thu, 9 Apr 2015 01:11:26 +0000 (01:11 +0000)]
Delete unused constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234459
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Eric Christopher [Thu, 9 Apr 2015 00:14:49 +0000 (00:14 +0000)]
Update comment to refer to software floating point rather than
a local variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234457
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Akira Hatanaka [Wed, 8 Apr 2015 23:02:45 +0000 (23:02 +0000)]
Use option -march instead of -mtriple to avoid overconditionalizing the test.
This fixes r234439, which was committed to fix the test failures caused by
r234430.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234451
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Manman Ren [Wed, 8 Apr 2015 22:02:11 +0000 (22:02 +0000)]
[LTO] do not run internalize pass from compileOptimized.
The input to compileOptimized is already optimized and internalized, so remove
internalize pass from compileOptimized.
rdar://
20227235
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234446
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Akira Hatanaka [Wed, 8 Apr 2015 21:30:48 +0000 (21:30 +0000)]
Pass -mtriple to llc to appease buildbot.
This fixes the test case I committed in r234430.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234439
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Andrew Kaylor [Wed, 8 Apr 2015 21:22:46 +0000 (21:22 +0000)]
Formmatting correction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234438
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Andrew Kaylor [Wed, 8 Apr 2015 20:57:22 +0000 (20:57 +0000)]
[WinEH] Minor bug fixes.
Fixed insert point for allocas created for demoted values.
Clear the nested landing pad list after it has been processed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234433
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Akira Hatanaka [Wed, 8 Apr 2015 20:34:53 +0000 (20:34 +0000)]
[DAGCombine] Fix a bug in MergeConsecutiveStores.
The bug manifests when there are two loads and two stores chained as follows in
a DAG,
(ld v3f32) -> (st f32) -> (ld v3f32) -> (st f32)
and the stores' values are extracted from the preceding vector loads.
MergeConsecutiveStores would replace the first store in the chain with the
merged vector store, which would create a cycle between the merged store node
and the last load node that appears in the chain.
This commits fixes the bug by replacing the last store in the chain instead.
rdar://problem/
20275084
Differential Revision: http://reviews.llvm.org/D8849
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234430
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Peter Collingbourne [Wed, 8 Apr 2015 20:18:57 +0000 (20:18 +0000)]
Go bindings: make various DIBuilder arguments optional.
r234262 changed some code in DIBuilderBindings.cpp to use the unwrap function
to unwrap debug metadata. The problem with this is that unwrap asserts that
its argument is non-null, which is not what we want in a number of places
in DIBuilder where the argument is optional. This change makes certain
arguments optional by adding null checks in places where it is required,
fixing the llgo build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234428
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Rafael Espindola [Wed, 8 Apr 2015 20:16:23 +0000 (20:16 +0000)]
Don't repeat names in comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234427
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Rafael Espindola [Wed, 8 Apr 2015 20:04:20 +0000 (20:04 +0000)]
Remove unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234426
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Cameron Zwarich [Wed, 8 Apr 2015 18:26:20 +0000 (18:26 +0000)]
Eliminate O(n^2) worst-case behavior in SSA construction
The code uses a priority queue and a worklist, which share the same
visited set, but the visited set is only updated when inserting into
the priority queue. Instead, switch to using separate visited sets
for the priority queue and worklist.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234425
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Adam Nemet [Wed, 8 Apr 2015 17:48:40 +0000 (17:48 +0000)]
[LoopAccesses] Allow analysis to complete in the presence of uniform stores
(Re-apply r234361 with a fix and a testcase for PR23157)
Both run-time pointer checking and the dependence analysis are capable
of dealing with uniform addresses. I.e. it's really just an orthogonal
property of the loop that the analysis computes.
Run-time pointer checking will only try to reason about SCEVAddRec
pointers or else gives up. If the uniform pointer turns out the be a
SCEVAddRec in an outer loop, the run-time checks generated will be
correct (start and end bounds would be equal).
In case of the dependence analysis, we work again with SCEVs. When
compared against a loop-dependent address of the same underlying object,
the difference of the two SCEVs won't be constant. This will result in
returning an Unknown dependence for the pair.
When compared against another uniform access, the difference would be
constant and we should return the right type of dependence
(forward/backward/etc).
The changes also adds support to query this property of the loop and
modify the vectorizer to use this.
Patch by Ashutosh Nema!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234424
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Scott Douglass [Wed, 8 Apr 2015 17:18:28 +0000 (17:18 +0000)]
[ARM] make vminnm/vmaxnm work with ?le, ?ge and no-nans-fp-math
Because -menable-no-nans causes fcmp conditions to be rewritten
without 'o' or 'u' the recognition code in needs to cope. Also
extended it to handle 'le' and 'ge.
Differential Revision: http://reviews.llvm.org/D8725
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234421
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Sanjay Patel [Wed, 8 Apr 2015 16:51:42 +0000 (16:51 +0000)]
fixed to test features, not CPU models
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234413
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Rafael Espindola [Wed, 8 Apr 2015 16:33:46 +0000 (16:33 +0000)]
Don't repeat names in comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234412
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Simon Atanasyan [Wed, 8 Apr 2015 14:55:31 +0000 (14:55 +0000)]
[mips] Update MIPS relocations list
No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234408
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Toma Tabacu [Wed, 8 Apr 2015 13:52:41 +0000 (13:52 +0000)]
[mips] [IAS] Do not generate redundant move when expanding lw/sw with symbol.
Summary:
Even though there is no 2nd register operand in the "lw/sw $8, symbol" case, we still try to find one,
and we end up with $0, which makes us generate an unnecessary "addu $8, $8, $0" (a.k.a. "move $8, $8").
We can avoid this by checking if the 2nd register operand is different from $0, before generating the addu.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8055
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234406
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Rafael Espindola [Wed, 8 Apr 2015 13:52:09 +0000 (13:52 +0000)]
Don't repeat names in comments. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234405
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Benjamin Kramer [Wed, 8 Apr 2015 13:17:48 +0000 (13:17 +0000)]
[jitlistener] Remove unused code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234404
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Toma Tabacu [Wed, 8 Apr 2015 12:15:05 +0000 (12:15 +0000)]
[mips] [IAS] Add support for the BNEZL and BEQZL pseudo-instructions.
Summary:
They are of the form "bnezl/beqzl $rs, offset" and expand to "bnel/beql $rs, $zero, offset".
These instructions are used in Linux inline assembly.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8540
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234401
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Rafael Espindola [Wed, 8 Apr 2015 11:41:24 +0000 (11:41 +0000)]
Write the section header in the end.
One could make the argument for writing it immediately after the ELF header,
but writing it in the middle of the sections like we were doing just makes
it harder for no reason.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234400
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Sergey Dmitrouk [Wed, 8 Apr 2015 10:10:12 +0000 (10:10 +0000)]
[ARM][Debug Info] Restore emitting of .cfi_def_cfa_offset for functions without stack frame
Summary: Looks like new code from [[ http://reviews.llvm.org/rL222057 | rL222057 ]] doesn't account for early `return` in `ARMFrameLowering::emitPrologue`, which leads to loosing `.cfi_def_cfa_offset` directive for functions without stack frame.
Reviewers: echristo, rengolin, asl, t.p.northover
Reviewed By: t.p.northover
Subscribers: llvm-commits, rengolin, aemerson
Differential Revision: http://reviews.llvm.org/D8606
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234399
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Toma Tabacu [Wed, 8 Apr 2015 10:06:45 +0000 (10:06 +0000)]
[mips] [IAS] Remove AssemblerPredicate's from RelocPIC and RelocStatic.
Summary:
These AssemblerPredicate's are unnecessary and actually make some instructions unusable when assembling pre-MIPS32 ISAs.
For example, this was causing the IAS to reject the 'j' instruction for MIPS I-V.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8300
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234398
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