Eric Christopher [Fri, 27 Jun 2014 01:14:54 +0000 (01:14 +0000)]
Move the subtarget dependent features from the target machine to
the subtarget for the MSP430 target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211836
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 01:14:50 +0000 (01:14 +0000)]
Remove uses and caches of the target machine and subtarget from
both MSP430InstrInfo and MSP430RegisterInfo. Remove unused member
variable StackAlign from MSP430RegisterInfo. Update constructors
accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211835
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 00:52:11 +0000 (00:52 +0000)]
Remove caching of an unused subtarget from MSP430FrameLowering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211830
91177308-0d34-0410-b5e6-
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Adam Nemet [Fri, 27 Jun 2014 00:43:38 +0000 (00:43 +0000)]
[X86] AVX512: Add vbroadcasti*
For now I used a separate template for these sub-vector/tuple broadcasts
rather than sharing the mem variants with avx512_int_broadcast_rm.
<rdar://problem/
17402869>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211828
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 00:37:59 +0000 (00:37 +0000)]
Remove unnecessary caching of variables by MSP430TargetLowering and
make the constructor more general since it only needs a target
machine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211827
91177308-0d34-0410-b5e6-
96231b3b80d8
Eric Christopher [Fri, 27 Jun 2014 00:37:57 +0000 (00:37 +0000)]
Have MSP430SelectionDAGInfo constructor take a DataLayout rather
than a target machine since it doesn't need anything past the
DataLayout.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211826
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 00:27:40 +0000 (00:27 +0000)]
Move all of the hexagon subtarget dependent variables from the target
machine to the subtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211824
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 00:18:25 +0000 (00:18 +0000)]
Have HexagonSelectionDAGInfo take a DataLayout rather than a
target machine since that's all it needs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211822
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 00:13:52 +0000 (00:13 +0000)]
Make HexagonISelLowering not dependent upon a HexagonTargetMachine,
but a normal TargetMachine and remove a few cached uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211821
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 00:13:49 +0000 (00:13 +0000)]
Reduce indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211820
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 00:13:47 +0000 (00:13 +0000)]
Remove unnecessary caching of the subtarget for HexagonFrameLowering and remove the unused constructor argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211819
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 27 Jun 2014 00:13:43 +0000 (00:13 +0000)]
InstrItineraryData is already on the subtarget, no reason to
cache it on the target as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211818
91177308-0d34-0410-b5e6-
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Juergen Ributzka [Thu, 26 Jun 2014 23:39:52 +0000 (23:39 +0000)]
[StackMaps] Enable patchpoint liveness analysis per default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211817
91177308-0d34-0410-b5e6-
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Juergen Ributzka [Thu, 26 Jun 2014 23:39:44 +0000 (23:39 +0000)]
[Stackmaps] Remove the liveness calculation for stackmap intrinsics.
There is no need to calculate the liveness information for stackmaps. The
liveness information is still available for the patchpoint intrinsic and
that is also the intended usage model.
Related to <rdar://problem/
17473725>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211816
91177308-0d34-0410-b5e6-
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Lang Hames [Thu, 26 Jun 2014 23:05:44 +0000 (23:05 +0000)]
[RuntimeDyld] Teach MachOObjectImage to deregister itself with the debugger upon
destruction the same way ELFObjectImage does.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211815
91177308-0d34-0410-b5e6-
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Alp Toker [Thu, 26 Jun 2014 22:52:05 +0000 (22:52 +0000)]
Revert "Introduce a string_ostream string builder facilty"
Temporarily back out commits r211749, r211752 and r211754.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211814
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 26 Jun 2014 22:33:55 +0000 (22:33 +0000)]
Move the various Subtarget dependent members down to the subtarget
for the Sparc port. Use the same initializeSubtargetDependencies
function to handle initialization similar to the other ports to
handle dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211811
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 26 Jun 2014 22:33:52 +0000 (22:33 +0000)]
Have SparcSelectionDAGInfo take a DataLayout to initialize since
that's all it needs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211810
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 26 Jun 2014 22:33:50 +0000 (22:33 +0000)]
Remove the storage and use of the subtarget out of the sparc frame
lowering code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211809
91177308-0d34-0410-b5e6-
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Sanjay Patel [Thu, 26 Jun 2014 22:18:51 +0000 (22:18 +0000)]
fixed typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211808
91177308-0d34-0410-b5e6-
96231b3b80d8
Tom Roeder [Thu, 26 Jun 2014 20:43:27 +0000 (20:43 +0000)]
Fix the new LTOCodeGenerator setup in gold to parse options before using MAttrs.
This fixes a regression that made clang -flto -Wl,--plugin-opt=-mattr=+aes not
pass the "+aes" option to the LTOCodeGenerator attributes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211804
91177308-0d34-0410-b5e6-
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Arnold Schwaighofer [Thu, 26 Jun 2014 19:51:19 +0000 (19:51 +0000)]
GVN: Preserve invariant.load metadata
If both instructions to be replaced are marked invariant the resulting
instruction is invariant.
rdar://
13358910
Fix by Erik Eckstein!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211801
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 26 Jun 2014 19:30:05 +0000 (19:30 +0000)]
Remove extraneous includes from the target machines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211800
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 26 Jun 2014 19:30:02 +0000 (19:30 +0000)]
Move all of the ARM subtarget features down onto the subtarget
rather than the target machine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211799
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 26 Jun 2014 19:29:59 +0000 (19:29 +0000)]
Move the frame lowering constructors out of line to avoid circular
includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211798
91177308-0d34-0410-b5e6-
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Sanjay Patel [Thu, 26 Jun 2014 18:12:42 +0000 (18:12 +0000)]
Changed Phab 'CC' to 'subscriber'; fixed typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211793
91177308-0d34-0410-b5e6-
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Matt Arsenault [Thu, 26 Jun 2014 17:22:30 +0000 (17:22 +0000)]
R600/SI: Add FP mode bits to binary.
The default rounding mode to initialize the mode register needs
to be reported to the runtime. Fill in other bits a kernel
may be interested in setting for future use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211791
91177308-0d34-0410-b5e6-
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Aaron Ballman [Thu, 26 Jun 2014 13:45:47 +0000 (13:45 +0000)]
Silencing a warning about isZExtFree hiding an inherited virtual function. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211783
91177308-0d34-0410-b5e6-
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Andrea Di Biagio [Thu, 26 Jun 2014 13:41:10 +0000 (13:41 +0000)]
Silence a warning due to a comparison between signed and unsigned.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211782
91177308-0d34-0410-b5e6-
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Will Schmidt [Thu, 26 Jun 2014 13:37:03 +0000 (13:37 +0000)]
Add support for ppc64/power8 as a host
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211781
91177308-0d34-0410-b5e6-
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Will Schmidt [Thu, 26 Jun 2014 13:36:19 +0000 (13:36 +0000)]
add ppc64/pwr8 as target
includes handling DIR_PWR8 where appropriate
The P7Model Itinerary is currently tied in for use under the P8Model, and will be updated later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211779
91177308-0d34-0410-b5e6-
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Renato Golin [Thu, 26 Jun 2014 13:10:53 +0000 (13:10 +0000)]
Added parsing co-processor names starting with "cr"
Additional compliant GAS names for coprocessor register name
are enabled for all instruction with parameter MCK_CoprocReg:
LDC,LDC2,STC,STC2,CDP,CDP2,MCR,MCR2,MCRR,MCRR2,MRC,MRC2,MRRC,MRRC2
Patch by Andrey Kuharev.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211776
91177308-0d34-0410-b5e6-
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Andrea Di Biagio [Thu, 26 Jun 2014 10:45:21 +0000 (10:45 +0000)]
[X86] Improve the selection of SSE3/AVX addsub instructions.
This patch teaches the backend how to canonicalize a shuffle vectors
according to the rule:
- (shuffle (FADD A, B), (FSUB A, B), Mask) ->
(shuffle (FSUB A, -B), (FADD A, -B), Mask)
Where 'Mask' is:
<0,5,2,7> ;; for v4f32 and v4f64 shuffles.
<0,3> ;; for v2f64 shuffles.
<0,9,2,11,4,13,6,15> ;; for v8f32 shuffles.
In general, ISel only knows how to pattern-match a canonical
'fadd + fsub + blendi' dag node sequence into an ADDSUB instruction.
This new rule allows to convert a non-canonical dag sequence into a
canonical one that will be matched by a single ADDSUB at ISel stage.
The idea of converting a non-canonical ADDSUB into a canonical one by
swapping the first two operands of the shuffle, and then negating the
second operand of the FADD and FSUB, was originally proposed by Hal Finkel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211771
91177308-0d34-0410-b5e6-
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Dinesh Dwivedi [Thu, 26 Jun 2014 08:57:33 +0000 (08:57 +0000)]
This patch removed duplicate code for matching patterns
which are now handled in SimplifyUsingDistributiveLaws()
(after r211261)
Differential Revision: http://reviews.llvm.org/D4253
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211768
91177308-0d34-0410-b5e6-
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Dinesh Dwivedi [Thu, 26 Jun 2014 05:40:22 +0000 (05:40 +0000)]
Added instruction combine to transform few more negative values addition to subtraction (Part 2)
This patch enables transforms for
(x + (~(y | c) + 1) --> x - (y | c) if c is even
Differential Revision: http://reviews.llvm.org/D4209
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211765
91177308-0d34-0410-b5e6-
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David Majnemer [Thu, 26 Jun 2014 03:02:19 +0000 (03:02 +0000)]
GlobalOpt: Don't optimize thread_local for initializers
Folding a reference to a thread_local variable into another global
variable's initializer is very problematic, there is no relocation that
exists to represent such an access.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211762
91177308-0d34-0410-b5e6-
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Matt Arsenault [Thu, 26 Jun 2014 01:28:05 +0000 (01:28 +0000)]
R600: Fix vector FMA
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211757
91177308-0d34-0410-b5e6-
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Reid Kleckner [Thu, 26 Jun 2014 01:03:20 +0000 (01:03 +0000)]
Remove forward decl of SmallVectorImpl now that we have the header
Follow up to r211749.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211754
91177308-0d34-0410-b5e6-
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Hans Wennborg [Thu, 26 Jun 2014 00:30:52 +0000 (00:30 +0000)]
Don't build switch tables for dllimport and TLS variables in GEPs
This is a follow-up to r211331, which failed to notice that we were
returning early from ValidLookupTableConstant for GEPs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211753
91177308-0d34-0410-b5e6-
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Alp Toker [Thu, 26 Jun 2014 00:25:41 +0000 (00:25 +0000)]
MSVC build fix following r211749
Avoid strndup()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211752
91177308-0d34-0410-b5e6-
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Adam Nemet [Thu, 26 Jun 2014 00:21:12 +0000 (00:21 +0000)]
[X86] AVX512: Fix asm syntax for packed vcmp
The *_alt defs for vcmp are used by the InstParser (the asm string in the main
def is used by the InstPrinter) . The former was accepting vector registers
as destination rather than mask registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211750
91177308-0d34-0410-b5e6-
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Alp Toker [Thu, 26 Jun 2014 00:00:48 +0000 (00:00 +0000)]
Introduce a string_ostream string builder facilty
string_ostream is a safe and efficient string builder that combines opaque
stack storage with a built-in ostream interface.
small_string_ostream<bytes> additionally permits an explicit stack storage size
other than the default 128 bytes to be provided. Beyond that, storage is
transferred to the heap.
This convenient class can be used in most places an
std::string+raw_string_ostream pair or SmallString<>+raw_svector_ostream pair
would previously have been used, in order to guarantee consistent access
without byte truncation.
The patch also converts much of LLVM to use the new facility. These changes
include several probable bug fixes for truncated output, a programming error
that's no longer possible with the new interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211749
91177308-0d34-0410-b5e6-
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Argyrios Kyrtzidis [Wed, 25 Jun 2014 23:54:50 +0000 (23:54 +0000)]
For CrashRecoveryContext::RunSafelyOnThread, propagate Darwin's PRIO_DARWIN_BG to the new thread if it is
set on the calling thread.
This allows libclang's indexing threads to propagate their priority to the clang module building threads.
rdar://
17459872
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211747
91177308-0d34-0410-b5e6-
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Michael Liao [Wed, 25 Jun 2014 23:39:08 +0000 (23:39 +0000)]
Fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211744
91177308-0d34-0410-b5e6-
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Juergen Ributzka [Wed, 25 Jun 2014 22:50:59 +0000 (22:50 +0000)]
[FastISel][X86] More refactoring of select lowering and XALU folding. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211740
91177308-0d34-0410-b5e6-
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Eric Christopher [Wed, 25 Jun 2014 22:36:37 +0000 (22:36 +0000)]
The includes were sorted. Revert r210578.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211737
91177308-0d34-0410-b5e6-
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Juergen Ributzka [Wed, 25 Jun 2014 22:17:23 +0000 (22:17 +0000)]
[FastISel][X86] Refactor XALU folding. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211735
91177308-0d34-0410-b5e6-
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Reid Kleckner [Wed, 25 Jun 2014 20:25:21 +0000 (20:25 +0000)]
Mention that Phabricator users should subscribe to *-commits
This probably explains why a lot of messages get lost for first time
Phabricator users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211731
91177308-0d34-0410-b5e6-
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Juergen Ributzka [Wed, 25 Jun 2014 20:06:12 +0000 (20:06 +0000)]
[FastISel][X86] Only fold the cmp into the select when both instructions are in the same basic block.
If the cmp is in a different basic block, then it is possible that not all
operands of that compare have defined registers. This can happen when one of
the operands to the cmp is a load and the load gets folded into the cmp. In
this case FastISel will skip the load instruction and the vreg is never
defined.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211730
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 25 Jun 2014 18:37:33 +0000 (18:37 +0000)]
Merge the used symbol scanning of MCObjectStreamer and RecordStreamer.
This completes the refactoring of RecordStreamer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211727
91177308-0d34-0410-b5e6-
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David Blaikie [Wed, 25 Jun 2014 18:20:54 +0000 (18:20 +0000)]
Revert "PR20038: DebugInfo: Inlined call sites where the caller has debug info but the call itself has no debug location."
This reverts commit r211723.
Breaks the ASan/compiler-rt build... guess I didn't test very far at all
:/.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211724
91177308-0d34-0410-b5e6-
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David Blaikie [Wed, 25 Jun 2014 18:03:10 +0000 (18:03 +0000)]
PR20038: DebugInfo: Inlined call sites where the caller has debug info but the call itself has no debug location.
This situation does bad things when inlined, so I've fixed Clang not to
produce inlinable call sites without locations when the caller has debug
info (in the one case where I could find that this occurred). This
updates the PR20038 test case to be what clang now produces, and readds
the assertion that had to be removed due to this bug.
I've also beefed up the debug info verifier to help diagnose these
issues in the future, and I hope to add checks to the inliner to just
assert-fail if it encounters this situation. If, in the future, we
decide we have to cope with this situation, the right thing to do is
probably to just remove all the DebugLocs from the inlined instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211723
91177308-0d34-0410-b5e6-
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Tyler Nowicki [Wed, 25 Jun 2014 17:50:15 +0000 (17:50 +0000)]
Add Rpass-missed and Rpass-analysis reports to the loop vectorizer. The remarks give the vector width of vectorized loops and a brief analysis of loops that fail to be vectorized. For example, an analysis will be generated for loops containing control flow that cannot be simplified to a select. The optimization remarks also give the debug location of expressions that cannot be vectorized, for example the location of an unvectorizable call.
Reviewed by: Arnold Schwaighofer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211721
91177308-0d34-0410-b5e6-
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Andrea Di Biagio [Wed, 25 Jun 2014 17:41:58 +0000 (17:41 +0000)]
[X86] Always prefer to lower a VECTOR_SHUFFLE into a BLENDI instead of SHUFP (or VPERM2X128).
This patch teaches method 'LowerVECTOR_SHUFFLE' to give higher precedence to
the check for 'isBlendMask'; the idea is that, when possible, we should firstly
check if a shuffle performs a blend, and in case, try to lower it into a BLENDI
instead of selecting a SHUFP or (worse) a VPERM2X128.
In general:
- AVX VBLENDPS/D always have better latency and throughput than VPERM2F128;
- BLENDPS/D instructions tend to always have better 'reciprocal throughput'
than the equivalent SHUFPS/D;
- Both BLENDPS/D and SHUFPS/D are often decoded into the same number of
m-ops; however, a m-op obtained from a BLENDPS/D can be scheduled to more
than one execution port.
This patch:
- Moves the check for 'isBlendMask' immediately before the check for
'isSHUFPMask' within method 'LowerVECTOR_SHUFFLE';
- Updates existing tests for sse/avx shuffle/blend instructions to verify
that we select (v)blendps/d when possible (instead of (v)shufps/d or
vperm2f128).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211720
91177308-0d34-0410-b5e6-
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Juergen Ributzka [Wed, 25 Jun 2014 16:49:37 +0000 (16:49 +0000)]
Fix indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211717
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 25 Jun 2014 15:47:36 +0000 (15:47 +0000)]
Fix the build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211715
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 25 Jun 2014 15:45:33 +0000 (15:45 +0000)]
Move expression visitation logic up to MCStreamer.
Remove the duplicate from MCRecordStreamer. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211714
91177308-0d34-0410-b5e6-
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Eli Bendersky [Wed, 25 Jun 2014 15:41:39 +0000 (15:41 +0000)]
Add some test files for r211710.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211711
91177308-0d34-0410-b5e6-
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Eli Bendersky [Wed, 25 Jun 2014 15:41:00 +0000 (15:41 +0000)]
Rename loop unrolling and loop vectorizer metadata to have a common prefix.
[LLVM part]
These patches rename the loop unrolling and loop vectorizer metadata
such that they have a common 'llvm.loop.' prefix. Metadata name
changes:
llvm.vectorizer.* => llvm.loop.vectorizer.*
llvm.loopunroll.* => llvm.loop.unroll.*
This was a suggestion from an earlier review
(http://reviews.llvm.org/D4090) which added the loop unrolling
metadata.
Patch by Mark Heffernan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211710
91177308-0d34-0410-b5e6-
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JF Bastien [Wed, 25 Jun 2014 15:38:02 +0000 (15:38 +0000)]
Fix = delete in MSVC build from r211705
MSVC doesn't support = delete yet, use LLVM_DELETED_FUNCTION instead.
Related to: http://reviews.llvm.org/D3390
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211709
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Rafael Espindola [Wed, 25 Jun 2014 15:29:54 +0000 (15:29 +0000)]
Simplify the visitation of target expressions. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211707
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JF Bastien [Wed, 25 Jun 2014 15:21:42 +0000 (15:21 +0000)]
Random Number Generator (llvm)
Provides an abstraction for a random number generator (RNG) that produces a stream of pseudo-random numbers.
The current implementation uses C++11 facilities and is therefore not cryptographically secure.
The RNG is salted with the text of the current command line invocation.
In addition, a user may specify a seed (reproducible builds).
In clang, the seed can be set via
-frandom-seed=X
In the back end, the seed can be set via
-rng-seed=X
This is the llvm part of the patch.
clang part: D3391
URL: http://reviews.llvm.org/D3390
Author: yln
I'm landing this for the second time, it broke Windows bots the first time around.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211705
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Rafael Espindola [Wed, 25 Jun 2014 14:42:14 +0000 (14:42 +0000)]
Simplify AddValueSymbols. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211701
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Evgeniy Stepanov [Wed, 25 Jun 2014 14:41:57 +0000 (14:41 +0000)]
[msan] Fix bad interaction between with-calls mode and chained origin tracking.
Origin history should only be recorded for uninitialized values, because it is
meaningless otherwise. This change moves __msan_chain_origin to the runtime
library side and makes it conditional on the corresponding shadow value.
Previous code was correct, but _very_ inefficient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211700
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Rafael Espindola [Wed, 25 Jun 2014 14:35:59 +0000 (14:35 +0000)]
Don't leak a file descriptor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211699
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Logan Chien [Wed, 25 Jun 2014 13:46:17 +0000 (13:46 +0000)]
Code cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211697
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Chandler Carruth [Wed, 25 Jun 2014 13:13:36 +0000 (13:13 +0000)]
Add Polly to the ignored trees.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211695
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Chandler Carruth [Wed, 25 Jun 2014 13:12:54 +0000 (13:12 +0000)]
[x86] Add intrinsics for the pshufd, pshuflw, and pshufhw instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211694
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NAKAMURA Takumi [Wed, 25 Jun 2014 12:41:52 +0000 (12:41 +0000)]
Re-apply r211399, "Generate native unwind info on Win64" with a fix to ignore SEH pseudo ops in X86 JIT emitter.
--
This patch enables LLVM to emit Win64-native unwind info rather than
DWARF CFI. It handles all corner cases (I hope), including stack
realignment.
Because the unwind info is not flexible enough to describe stack frames
with a gap of unknown size in the middle, such as the one caused by
stack realignment, I modified register spilling code to place all spills
into the fixed frame slots, so that they can be accessed relative to the
frame pointer.
Patch by Vadim Chugunov!
Reviewed By: rnk
Differential Revision: http://reviews.llvm.org/D4081
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211691
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NAKAMURA Takumi [Wed, 25 Jun 2014 12:40:56 +0000 (12:40 +0000)]
Reformat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211689
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Andrea Di Biagio [Wed, 25 Jun 2014 10:02:21 +0000 (10:02 +0000)]
[X86] Add target combine rule to select ADDSUB instructions from a build_vector
This patch teaches the backend how to combine a build_vector that implements
an 'addsub' between packed float vectors into a sequence of vector add
and vector sub followed by a VSELECT.
The new VSELECT is expected to be lowered into a BLENDI.
At ISel stage, the sequence 'vector add + vector sub + BLENDI' is
pattern-matched against ISel patterns added at r211427 to select
'addsub' instructions.
Added three more ISel patterns for ADDSUB.
Added test sse3-avx-addsub-2.ll to verify that we correctly emit 'addsub'
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211679
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Evgeniy Stepanov [Wed, 25 Jun 2014 09:17:21 +0000 (09:17 +0000)]
Factor out part of LICM::sink into a helper function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211678
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Alexey Volkov [Wed, 25 Jun 2014 08:04:58 +0000 (08:04 +0000)]
Fix unresolved symbols when loading gold plugin
Differential Revision: http://reviews.llvm.org/D4275
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211675
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Evgeniy Stepanov [Wed, 25 Jun 2014 07:54:58 +0000 (07:54 +0000)]
[LICM] Don't create more than one copy of an instruction per loop exit block when sinking.
Fixes exponential compilation complexity in PR19835, caused by
LICM::sink not handling the following pattern well:
f = op g
e = op f, g
d = op e
c = op d, e
b = op c
a = op b, c
When an instruction with N uses is sunk, each of its operands gets N
new uses (all of them - phi nodes). In the example above, if a had 1
use, c would have 2, e would have 4, and g would have 8.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211673
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Rafael Espindola [Wed, 25 Jun 2014 05:37:58 +0000 (05:37 +0000)]
Fix another asserting method in the null streamer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211668
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Rafael Espindola [Wed, 25 Jun 2014 05:31:22 +0000 (05:31 +0000)]
Fix a regression from r211653.
The method was empty in the null streamer but I mistakenly replaced it with
the aborting one in MCStreamer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211666
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NAKAMURA Takumi [Wed, 25 Jun 2014 04:34:36 +0000 (04:34 +0000)]
MCNullStreamer.cpp: Roll back a few empty methods that have been marked as unreachable in MCStreamer.cpp.
void EmitCOFFSecRel32(MCSymbol const *Symbol) override {}
void EmitGPRel32Value(const MCExpr *Value) override {}
It should fix crash like "llc -mtriple=i686-cygwin -filetype=null".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211664
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NAKAMURA Takumi [Wed, 25 Jun 2014 03:05:47 +0000 (03:05 +0000)]
CodeGen/X86/pr20088.ll: Add -march=x86-64, or llc fails due to non-x86 default target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211659
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Alp Toker [Wed, 25 Jun 2014 00:41:15 +0000 (00:41 +0000)]
Use SourceMgr::getMemoryBuffer() in a couple of places
Cleanup only.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211656
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Rafael Espindola [Wed, 25 Jun 2014 00:27:53 +0000 (00:27 +0000)]
Move some trivial methods up to MCStreamer.
This saves some duplicated boilerplate in RecordStreamer and NullStreamer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211653
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Lang Hames [Wed, 25 Jun 2014 00:20:53 +0000 (00:20 +0000)]
[RuntimeDyld] Adds the necessary hooks to MCJIT to be able to debug generated
MachO files using the GDB JIT debugging interface.
Patch by Keno Fischer. Thanks Keno!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211652
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Rafael Espindola [Wed, 25 Jun 2014 00:13:59 +0000 (00:13 +0000)]
Simplify the handling of .cfi_endproc.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211651
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Rafael Espindola [Tue, 24 Jun 2014 23:54:40 +0000 (23:54 +0000)]
Simplify EmitLabel.
All the "real" streamers were already calling to MCStreamer::EmitLabel
to do part of the work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211646
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Juergen Ributzka [Tue, 24 Jun 2014 23:51:21 +0000 (23:51 +0000)]
[FastISel][X86] Fold XALU condition into branch and compare.
Optimize the codegen of select and branch instructions to directly use the
EFLAGS from the {s|u}{add|sub|mul}.with.overflow intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211645
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Tom Stellard [Tue, 24 Jun 2014 23:33:07 +0000 (23:33 +0000)]
R600/SI: Use a ComplexPattern for MUBUF stores
Now that non-leaf ComplexPatterns are allowed we can fold all the MUBUF
store patterns into the instruction definition. We will also be able to
reuse this new ComplexPattern for MUBUF loads and atomic operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211644
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Tom Stellard [Tue, 24 Jun 2014 23:33:04 +0000 (23:33 +0000)]
R600: Promote i64 stores to v2i32
Now we need only one 64-bit pattern for stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211643
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NAKAMURA Takumi [Tue, 24 Jun 2014 23:18:07 +0000 (23:18 +0000)]
ldr-pseudo-obj-errors.s: Fix silly copypasto.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211642
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NAKAMURA Takumi [Tue, 24 Jun 2014 23:11:42 +0000 (23:11 +0000)]
llvm/test/MC/AArch64/ldr-pseudo-obj-errors.s: Add -triple=aarch64-linux. AArch64 is unaware of PECOFF for now.
FIXME: This should pass for also targeting aarch64-darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211640
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Rafael Espindola [Tue, 24 Jun 2014 22:45:16 +0000 (22:45 +0000)]
Print a=b as an assignment.
In assembly the expression a=b is parsed as an assignment, so it should be
printed as one.
This remove a truly horrible hack for producing a label with "a=.". It would
be used by codegen but would never be reached by the asm parser. Sorry I
missed this when it was first committed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211639
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Matt Arsenault [Tue, 24 Jun 2014 22:13:39 +0000 (22:13 +0000)]
R600: Fix inconsistency in rsq instructions.
R600 was using a clamped version of rsq, but SI was not. Add a
new rsq_clamped intrinsic and use them consistently.
It's unclear to me from the documentation what behavior
the R600 instructions have, so I assume they have the legacy behavior
described by the SI documents. For R600, use RECIPSQRT_IEEE
for both llvm.AMDGPU.rsq.legacy and llvm.AMDGPU.rsq. R600 also
has RECIPSQRT_FF, which I'm not sure how it fits in here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211637
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Sanjay Patel [Tue, 24 Jun 2014 21:11:51 +0000 (21:11 +0000)]
fixed a few typos in comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211634
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David Blaikie [Tue, 24 Jun 2014 20:10:27 +0000 (20:10 +0000)]
Fix up scoping in a few tests (and delete one that validates unnecessary behavior).
Most of this is just tests that were silently succeeding in spite of
schema changes I made over a year ago. Cleaning them up as they lead to
failures in a change I'm working on/will come soon.
test/DebugInfo/2010-01-19-DbgScope.ll was removed as it tested miscoping
where a DebugLoc described a location not in the current function. The
test case doesn't describe why this is a valid situation and should be
supported, so I'm removing it and shortly going to commit changes that
make this firmly unsupported/assert-fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211628
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Bill Schmidt [Tue, 24 Jun 2014 20:05:18 +0000 (20:05 +0000)]
[PPC64] Fix PR20071 (fctiduz generated for targets lacking that instruction)
PR20071 identifies a problem in PowerPC's fast-isel implementation for
floating-point conversion to integer. The fctiduz instruction was added in
Power ISA 2.06 (i.e., Power7 and later). However, this instruction is being
generated regardless of which 64-bit PowerPC target is selected.
The intent is for fast-isel to punt to DAG selection when this instruction is
not available. This patch implements that change. For testing purposes, the
existing fast-isel-conversion.ll test adds a RUN line for -mcpu=970 and tests
for the expected code generation. Additionally, the existing test
fast-isel-conversion-p5.ll was found to be incorrectly expecting the
unavailable instruction to be generated. I've removed these test variants
since we have adequate coverage in fast-isel-conversion.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211627
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Robert Khasanov [Tue, 24 Jun 2014 18:08:04 +0000 (18:08 +0000)]
vpblend intrinsics combines as shifts intrinsics due to absence return stmt between them
Fix PR20088
Differential Revision: http://reviews.llvm.org/D4277
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211617
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Matt Arsenault [Tue, 24 Jun 2014 17:42:16 +0000 (17:42 +0000)]
R600: Remove DIV_INF
This corresponded to an amdil instruction which there is
a 2 instruction equivalent for.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211616
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Matt Arsenault [Tue, 24 Jun 2014 17:17:06 +0000 (17:17 +0000)]
R600/SI: Move pattern to instruction definition
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211614
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Weiming Zhao [Tue, 24 Jun 2014 17:05:43 +0000 (17:05 +0000)]
Fix test case in r211605/r211533
The test case in
"Fix PR20056: Implement pseudo LDR <reg>, =<literal/label> for AArch64" should
only work with Linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211613
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Diego Novillo [Tue, 24 Jun 2014 17:02:03 +0000 (17:02 +0000)]
Add new debug kind LocTrackingOnly.
Summary:
This new debug emission kind supports emitting line location
information in all instructions, but stops code generation
from emitting debug info to the final output.
This mode is useful when the backend wants to track source
locations during code generation, but it does not want to
produce debug info. This is currently used by optimization
remarks (-pass-remarks, -pass-remarks-missed and
-pass-remarks-analysis).
To prevent debug info emission, DIBuilder never inserts the
annotation 'llvm.dbg.cu' when LocTrackingOnly is enabled.
Reviewers: echristo, dblaikie
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D4234
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211609
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Weiming Zhao [Tue, 24 Jun 2014 16:21:38 +0000 (16:21 +0000)]
Resubmit commit r211533
"Fix PR20056: Implement pseudo LDR <reg>, =<literal/label> for AArch64"
Missed files are added in this commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211605
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David Majnemer [Tue, 24 Jun 2014 16:01:53 +0000 (16:01 +0000)]
CodeGen: Avoid multiple strlen calls
Use a StringRef to hold our section prefix. This avoids multiple calls
to strlen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211602
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