OSDN Git Service
Craig Topper [Sat, 10 Oct 2015 05:25:06 +0000 (05:25 +0000)]
Use range-based for loops. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249941
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Craig Topper [Sat, 10 Oct 2015 05:25:02 +0000 (05:25 +0000)]
Use emplace_back instead of a constructor call and push_back. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249940
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NAKAMURA Takumi [Sat, 10 Oct 2015 02:57:02 +0000 (02:57 +0000)]
Suppress LLVM::tools/llvm-symbolizer/coff-dwarf.test for mingw, for now.
FIXME: Improve llvm-symbolizer, or rename the feature "system-windows".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249937
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Kostya Serebryany [Sat, 10 Oct 2015 02:14:18 +0000 (02:14 +0000)]
[libFuzzer] document more trophies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249933
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Kevin Enderby [Sat, 10 Oct 2015 01:06:20 +0000 (01:06 +0000)]
Move llvm-objdump malformed Mach-O tests to X86 test directory.
rdar://
22983603
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249927
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Duncan P. N. Exon Smith [Sat, 10 Oct 2015 00:53:03 +0000 (00:53 +0000)]
Analysis: Remove implicit ilist iterator conversions
Remove implicit ilist iterator conversions from LLVMAnalysis.
I came across something really scary in `llvm::isKnownNotFullPoison()`
which relied on `Instruction::getNextNode()` being completely broken
(not surprising, but scary nevertheless). This function is documented
(and coded to) return `nullptr` when it gets to the sentinel, but with
an `ilist_half_node` as a sentinel, the sentinel check looks into some
other memory and we don't recognize we've hit the end.
Rooting out these scary cases is the reason I'm removing the implicit
conversions before doing anything else with `ilist`; I'm not at all
surprised that clients rely on badness.
I found another scary case -- this time, not relying on badness, just
bad (but I guess getting lucky so far) -- in
`ObjectSizeOffsetEvaluator::compute_()`. Here, we save out the
insertion point, do some things, and then restore it. Previously, we
let the iterator auto-convert to `Instruction*`, and then set it back
using the `Instruction*` version:
Instruction *PrevInsertPoint = Builder.GetInsertPoint();
/* Logic that may change insert point */
if (PrevInsertPoint)
Builder.SetInsertPoint(PrevInsertPoint);
The check for `PrevInsertPoint` doesn't protect correctly against bad
accesses. If the insertion point has been set to the end of a basic
block (i.e., `SetInsertPoint(SomeBB)`), then `GetInsertPoint()` returns
an iterator pointing at the list sentinel. The version of
`SetInsertPoint()` that's getting called will then call
`PrevInsertPoint->getParent()`, which explodes horribly. The only
reason this hasn't blown up is that it's fairly unlikely the builder is
adding to the end of the block; usually, we're adding instructions
somewhere before the terminator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249925
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Davide Italiano [Sat, 10 Oct 2015 00:45:24 +0000 (00:45 +0000)]
[llvm-rtdyld] Use range-based loop. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249923
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Duncan P. N. Exon Smith [Sat, 10 Oct 2015 00:13:11 +0000 (00:13 +0000)]
MC: Remove implicit ilist iterator conversions, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249922
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Kevin Enderby [Sat, 10 Oct 2015 00:05:01 +0000 (00:05 +0000)]
Fix a bugs in the Mach-O disassembler when disassembling from a
malformed Mach-O file that caused a crash. This was because of an
assert where the code was incorrectly attempting to parse relocation
entries off of the sections and the filetype was not an MH_OBJECT.
rdar://
22983603
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249921
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David Majnemer [Sat, 10 Oct 2015 00:04:29 +0000 (00:04 +0000)]
[WinEH] Remove more dead code
wineh-parent is dead, so is ValueOrMBB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249920
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Reid Kleckner [Fri, 9 Oct 2015 23:34:53 +0000 (23:34 +0000)]
[WinEH] Delete the old landingpad implementation of Windows EH
The new implementation works at least as well as the old implementation
did.
Also delete the associated preparation tests. They don't exercise
interesting corner cases of the new implementation. All the codegen
tests of the EH tables have already been ported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249918
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Reid Kleckner [Fri, 9 Oct 2015 23:05:54 +0000 (23:05 +0000)]
[SEH] Update SEH codegen tests to use the new IR
Also Fix a buglet where SEH tables had ranges that spanned funclets.
The remaining tests using the old landingpad IR are preparation tests,
and will be deleted along with the old preparation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249917
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 22:56:24 +0000 (22:56 +0000)]
CodeGen: Remove implicit ilist iterator conversions, NFC
Finish removing implicit ilist iterator conversions from LLVMCodeGen.
I'm sure there are lots more of these in lib/CodeGen/*/.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249915
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Chris Bieneman [Fri, 9 Oct 2015 22:26:04 +0000 (22:26 +0000)]
[CMake] Parallel make breaks on native tablegen
Patch by Alex Wang
This patch resolves a parallelization issue that occurs when native tablegen targets are built at the same time. They both try to build libSupport and clobber each other causing the builds to fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249911
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David Majnemer [Fri, 9 Oct 2015 22:18:45 +0000 (22:18 +0000)]
[WinEH] Insert the catchpad return before CSR restoration
x64 catchpads use rax to inform the unwinder where control should go
next. However, we must initialize rax before the epilogue sequence so
as to not perturb the unwinder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249910
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Richard Smith [Fri, 9 Oct 2015 22:09:56 +0000 (22:09 +0000)]
Fix use of uninitialized bool, found by ubsan in portion of
test/tools/llvm-objdump/malformed-machos.test added in r249845.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249909
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James Y Knight [Fri, 9 Oct 2015 21:36:19 +0000 (21:36 +0000)]
Fix assert when emitting llvm.pow.f86.
This occurred due to introducing the invalid i64 type after type
legalization had already finished, in an attempt to workaround bitcast
f64 -> v2i32 not doing constant folding.
The *right* thing is to actually fix bitcast, but that has other
complications. So, for now, just get rid of the broken workaround, and
check in a test-case showing that it doesn't crash, with TODOs for
emitting proper code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249908
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Diego Novillo [Fri, 9 Oct 2015 21:33:13 +0000 (21:33 +0000)]
Remove unused function in sample profile writer API - NFC.
These functions are not needed and are getting in the way of changes
for implementing a table of contents for the binary format.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249907
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Reid Kleckner [Fri, 9 Oct 2015 21:27:28 +0000 (21:27 +0000)]
[SEH] Fix _except_handler4 table base states
We got them right for the old IR, but not with funclets. Port the old
test to the new IR and fix the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249906
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 21:08:19 +0000 (21:08 +0000)]
CodeGen: Avoid more ilist iterator implicit conversions, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249903
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 21:05:00 +0000 (21:05 +0000)]
CodeGen: Use range-based for in PostRAScheduler, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249901
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Reid Kleckner [Fri, 9 Oct 2015 20:39:39 +0000 (20:39 +0000)]
[SEH] Remember to emit the last invoke range for SEH
This wasn't very observable in execution tests, because usually there is
an invoke in the catchpad that unwinds the the catchendpad but never
actually throws.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249898
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Owen Anderson [Fri, 9 Oct 2015 20:17:46 +0000 (20:17 +0000)]
Generalize convergent check to handle invokes as well as calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249892
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James Y Knight [Fri, 9 Oct 2015 20:10:14 +0000 (20:10 +0000)]
Fix assert in X86 backend.
When running combine on an extract_vector_elt, it wants to look through
a bitcast to check if the argument to the bitcast was itself an
extract_vector_elt with particular operands.
However, it called getOperand() on the argument to the bitcast *before*
checking that the opcode was EXTRACT_VECTOR_ELT, assert-failing if there
were zero operands for the actual opcode.
Fix, and add trivial test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249891
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Chad Rosier [Fri, 9 Oct 2015 19:48:48 +0000 (19:48 +0000)]
Revert "Simplify code. NFC."
This reverts commit r248610.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249887
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 19:40:45 +0000 (19:40 +0000)]
CodeGen: Continue removing ilist iterator implicit conversions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249884
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 19:36:12 +0000 (19:36 +0000)]
CodeGen: Remove implicit iterator conversions from MBB.cpp
Remove implicit ilist iterator conversions from MachineBasicBlock.cpp.
I've also added an overload of `splice()` that takes a pointer, since
it's a natural API. This is similar to the overloads I added for
`remove()` and `erase()` in r249867.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249883
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 19:23:20 +0000 (19:23 +0000)]
CodeGen: Avoid ilist iterator implicit conversions in a few more places, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249880
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 19:13:58 +0000 (19:13 +0000)]
CodeGen: Remove more ilist iterator implicit conversions, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249879
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 19:07:41 +0000 (19:07 +0000)]
CodeGen: Use range-based for in IntrinsicLowering::AddPrototypes, NFC
This happens to avoid a host of implicit ilist iterator conversions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249877
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 18:57:47 +0000 (18:57 +0000)]
CodeGen: Use range-based for in GlobalMerge, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249876
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 18:44:40 +0000 (18:44 +0000)]
CodeGen: Remove a few more ilist iterator implicit conversions, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249875
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Owen Anderson [Fri, 9 Oct 2015 18:40:20 +0000 (18:40 +0000)]
Teach LoopUnswitch not to perform non-trivial unswitching on loops containing convergent operations.
Doing so could cause the post-unswitching convergent ops to be
control-dependent on the unswitch condition where they were not before.
This check could be refined to allow unswitching where the convergent
operation was already control-dependent on the unswitch condition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249874
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Owen Anderson [Fri, 9 Oct 2015 18:40:15 +0000 (18:40 +0000)]
Add iterator ranges for blocks in a Loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249873
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 18:35:09 +0000 (18:35 +0000)]
CodeGen: Remove implicit iterator conversions from SlotIndexes.h, NFC
Be explicit about changes between pointers and iterators, as with other
recent commits. This transitively removes implicit ilist iterator
conversions from about 20 source files in CodeGen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249869
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 18:23:49 +0000 (18:23 +0000)]
CodeGen: Remove implicit conversions from Analysis and BranchFolding
Remove a few more implicit ilist iterator conversions, this time from
Analysis.cpp and BranchFolding.cpp.
I added a few overloads for `remove()` and `erase()`, which quite
naturally take pointers as well as iterators as parameters. This will
reduce the churn at least in the short term, but I don't really have a
problem with these existing for longer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249867
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Owen Anderson [Fri, 9 Oct 2015 18:06:13 +0000 (18:06 +0000)]
Refine the definition of convergent to only disallow the addition of new control dependencies.
This covers the common case of operations that cannot be sunk.
Operations that cannot be hoisted should already be handled properly via
the safe-to-speculate rules and mechanisms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249865
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Sanjay Patel [Fri, 9 Oct 2015 18:01:03 +0000 (18:01 +0000)]
fix typos; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249863
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Chris Bieneman [Fri, 9 Oct 2015 17:55:21 +0000 (17:55 +0000)]
[CMake] If LLVM_DYLIB_EXPORT_ALL is On don't generate an export list at all, just export the world.
This should resolve Bug 24157 - CMake built shared library does not export all public symbols
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249862
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Diego Novillo [Fri, 9 Oct 2015 17:54:24 +0000 (17:54 +0000)]
Add inline stack streaming to binary sample profiles.
With this patch we can now read and write inline stacks in sample
profiles to the binary encoded profiles.
In a subsequent patch, I will add a string table to the binary encoding.
Right now function names are emitted as strings every time we find them.
This is too bloated and will produce large files in applications with
lots of inlining.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249861
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Dan Gohman [Fri, 9 Oct 2015 17:50:00 +0000 (17:50 +0000)]
[WebAssembly] Rename floating-point operators to match their spec names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249859
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Artur Pilipenko [Fri, 9 Oct 2015 17:41:29 +0000 (17:41 +0000)]
Add verification for align, dereferenceable, dereferenceable_or_null load metadata
Reviewed By: reames
Differential Revision: http://reviews.llvm.org/D13428
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249856
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Keno Fischer [Fri, 9 Oct 2015 17:24:54 +0000 (17:24 +0000)]
Clear SectionSymbols in MCContext::Reset
This was just forgotten when SectionSymbols was introduced and could cause
corruption if the MCContext was reused after Reset.
Reviewers: rafael
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13547
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249854
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 16:54:54 +0000 (16:54 +0000)]
AArch64: Make getNextNode() cleanup in r249764 more clear
After r249764, if you didn't see the full context, it looked like
`std::next(I)` would get the same result as
`++MachineBasicBlock::iterator(I)`. However, `I` is a `MachineInstr*`
(not a `MachineBasicBlock::iterator`).
Use the `getIterator()` helper I added later (r249782) to make this code
more clear.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249852
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 16:54:49 +0000 (16:54 +0000)]
CodeGen: Start removing implicit conversions to/from list iterators, NFC
Start removing implicit conversions to/from list iterators in CodeGen,
ala r249782 for IR. A lot more to go after this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249851
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 16:51:23 +0000 (16:51 +0000)]
Revert "Support: Partially revert r249782 to unbreak clang build"
This reverts commit r249783, fully reinstating r249782. I've fixed the
bug in clang: it was a non-const iterator that dereferenced to const
(but had an implicit conversion to non-const).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249850
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Dehao Chen [Fri, 9 Oct 2015 16:50:16 +0000 (16:50 +0000)]
Make HeaderLineno a local variable.
http://reviews.llvm.org/D13576
As we are using hierarchical profile, there is no need to keep HeaderLineno a member variable. This is because each level of the inline stack will have its own header lineno. One should use the head lineno of its own inline stack level instead of the actual symbol.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249848
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Reid Kleckner [Fri, 9 Oct 2015 16:49:56 +0000 (16:49 +0000)]
Fix pdb.test when python is not on PATH
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249847
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Kevin Enderby [Fri, 9 Oct 2015 16:48:44 +0000 (16:48 +0000)]
Fixed two bugs in llvm-objdump’s printing of Objective-C meta data
from malformed Mach-O files that caused crashes. The first because the
offset in a dyld bind table entry was out of range. The second because their
was no image info section and the routine printing it did not have the
need check to see the section did not exist.
rdar://
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249845
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Artur Pilipenko [Fri, 9 Oct 2015 15:58:26 +0000 (15:58 +0000)]
ValueTracking: use getAlignment in isAligned
Reviewed By: reames
Differential Revision: http://reviews.llvm.org/D13517
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249841
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Frederic Riss [Fri, 9 Oct 2015 15:04:05 +0000 (15:04 +0000)]
[dsymutil] Prevent warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249836
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Jun Bum Lim [Fri, 9 Oct 2015 14:11:25 +0000 (14:11 +0000)]
Improve ISel across lane float min/max reduction
In vectorized float min/max reduction code, the final "reduce" step
is sub-optimal. In AArch64, this change wll combine :
svn0 = vector_shuffle t0, undef<2,3,u,u>
fmin = fminnum t0,svn0
svn1 = vector_shuffle fmin, undef<1,u,u,u>
cc = setcc fmin, svn1, ole
n0 = extract_vector_elt cc, #0
n1 = extract_vector_elt fmin, #0
n2 = extract_vector_elt fmin, #1
result = select n0, n1,n2
into :
result = llvm.aarch64.neon.fminnmv t0
This change extends r247575.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249834
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Jonas Paulsson [Fri, 9 Oct 2015 11:27:44 +0000 (11:27 +0000)]
[SystemZ] Remove unused code in SystemZElimCompare.cpp
The Reference IndirectDef and IndirectUse members were unused and therefore
removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249824
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Nemanja Ivanovic [Fri, 9 Oct 2015 11:12:18 +0000 (11:12 +0000)]
Vector element extraction without stack operations on Power 8
This patch corresponds to review:
http://reviews.llvm.org/D12032
This patch builds onto the patch that provided scalar to vector conversions
without stack operations (D11471).
Included in this patch:
- Vector element extraction for all vector types with constant element number
- Vector element extraction for v16i8 and v8i16 with variable element number
- Removal of some unnecessary COPY_TO_REGCLASS operations that ended up
unnecessarily moving things around between registers
Not included in this patch (will be in upcoming patch):
- Vector element extraction for v4i32, v4f32, v2i64 and v2f64 with
variable element number
- Vector element insertion for variable/constant element number
Testing is provided for all extractions. The extractions that are not
implemented yet are just placeholders.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249822
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Andrea Di Biagio [Fri, 9 Oct 2015 10:53:41 +0000 (10:53 +0000)]
[MemCpyOpt] Fix wrong merging adjacent nontemporal stores into memset calls.
Pass MemCpyOpt doesn't check if a store instruction is nontemporal.
As a consequence, adjacent nontemporal stores are always merged into a
memset call.
Example:
;;;
define void @foo(<4 x float>* nocapture %p) {
entry:
store <4 x float> zeroinitializer, <4 x float>* %p, align 16, !nontemporal !0
%p1 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 1
store <4 x float> zeroinitializer, <4 x float>* %p1, align 16, !nontemporal !0
ret void
}
!0 = !{i32 1}
;;;
In this example, the two nontemporal stores are combined to a memset of zero
which does not preserve the nontemporal hint. Later on the backend (tested on a
x86-64 corei7) expands that memset call into a sequence of two normal 16-byte
aligned vector stores.
opt -memcpyopt example.ll -S -o - | llc -mcpu=corei7 -o -
Before:
xorps %xmm0, %xmm0
movaps %xmm0, 16(%rdi)
movaps %xmm0, (%rdi)
With this patch, we no longer merge nontemporal stores into calls to memset.
In this example, llc correctly expands the two stores into two movntps:
xorps %xmm0, %xmm0
movntps %xmm0, 16(%rdi)
movntps %xmm0, (%rdi)
In theory, we could extend the usage of !nontemporal metadata to memcpy/memset
calls. However a change like that would only have the effect of forcing the
backend to expand !nontemporal memsets back to sequences of store instructions.
A memset library call would not have exactly the same semantic of a builtin
!nontemporal memset call. So, SelectionDAG will have to conservatively expand
it back to a sequence of !nontemporal stores (effectively undoing the merging).
Differential Revision: http://reviews.llvm.org/D13519
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249820
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Arnaud A. de Grandmaison [Fri, 9 Oct 2015 09:23:01 +0000 (09:23 +0000)]
[EarlyCSE] Address post commit review for r249523.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249814
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Jonas Paulsson [Fri, 9 Oct 2015 07:19:20 +0000 (07:19 +0000)]
[SystemZ] Remove superfluous braces in SystemZShortenInst.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249812
91177308-0d34-0410-b5e6-
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Jonas Paulsson [Fri, 9 Oct 2015 07:19:16 +0000 (07:19 +0000)]
[SystemZ] Minor bugfixes.
LLCH, LLHH and CLIH had the wrong register classes for the def-operand.
Tie operands if changing opcode to an instruction with tied ops.
Comment typo fix.
These fixes were needed in order to make regression test case
SystemZ/asm-18.ll pass with -verify-machineinstrs (not used by
default).
Reviewed by Ulrich Weigand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249811
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Jonas Paulsson [Fri, 9 Oct 2015 07:19:12 +0000 (07:19 +0000)]
[SystemZ] Bugfix in SystemZAsmParser.cpp.
Let parseRegister() allow RegFP Group if expecting RegV Group, since the
%f register prefix yields the FP group even while used with vector instructions.
Reviewed by Ulrich Weigand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249810
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Kostya Serebryany [Fri, 9 Oct 2015 04:03:14 +0000 (04:03 +0000)]
[libFuzzer] don't print large artifacts to stderr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249808
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Kostya Serebryany [Fri, 9 Oct 2015 03:57:59 +0000 (03:57 +0000)]
[libFuzzer] add -artifact_prefix flag
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249807
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Saleem Abdulrasool [Fri, 9 Oct 2015 03:19:03 +0000 (03:19 +0000)]
ARM: tweak WoA frame lowering
Accept r11 when targeting Windows on ARM rather than just low registers.
Because we are in a thumb-2 only mode, this may be slightly more expensive in
code size, but results in better code for the environment since it spills the
frame register, which is generally desired for fast stack walking as per the
ABI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249804
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Sanjoy Das [Fri, 9 Oct 2015 02:44:45 +0000 (02:44 +0000)]
[SCEV] Call `StrengthenNoWrapFlags` after `GroupByComplexity`; NFCI
The current implementation of `StrengthenNoWrapFlags` is agnostic to the
order of `Ops`, so this commit should not change anything semantic. An
upcoming change will make `StrengthenNoWrapFlags` sensitive to the order
of `Ops`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249802
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Reid Kleckner [Fri, 9 Oct 2015 01:18:27 +0000 (01:18 +0000)]
Re-enable the coff-dwarf test on Windows
Apparently system-windows was only a clang lit suite feature.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249797
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Reid Kleckner [Fri, 9 Oct 2015 01:13:17 +0000 (01:13 +0000)]
Revert "Revert "Revert r248959, "[WinEH] Emit int3 after noreturn calls on Win64"""
This reverts commit r249794.
Apparently my checkouts are full of unexpected surprises today.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249796
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Reid Kleckner [Fri, 9 Oct 2015 01:11:40 +0000 (01:11 +0000)]
Fix coff-dwarf test for non-Windows platforms that cannot demangle MS C++ names
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249795
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Reid Kleckner [Fri, 9 Oct 2015 01:11:37 +0000 (01:11 +0000)]
Revert "Revert r248959, "[WinEH] Emit int3 after noreturn calls on Win64""
This reverts commit r249032.
TODO write commit msg
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249794
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Joseph Tremoulet [Fri, 9 Oct 2015 00:46:08 +0000 (00:46 +0000)]
[WinEH] Fix cleanup state numbering
Summary:
- Recurse from cleanupendpads to their cleanuppads, to make sure the
cleanuppad is visited if it has a cleanupendpad but no cleanupret.
- Check for and avoid double-processing cleanuppads, to allow for them to
have multiple cleanuprets (plus cleanupendpads).
- Update Cxx state numbering to visit toplevel cleanupendpads and to
recurse from cleanupendpads to their preds, to ensure we number any
funclets in inlined cleanups. SEH state numbering already did this.
Reviewers: rnk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13374
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249792
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Reid Kleckner [Fri, 9 Oct 2015 00:15:13 +0000 (00:15 +0000)]
[SEH] Fix llvm.eh.exceptioncode fast register allocation assertion
I called the wrong MachineBasicBlock::addLiveIn() overload.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249786
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Reid Kleckner [Fri, 9 Oct 2015 00:15:08 +0000 (00:15 +0000)]
Address review comments, remove error case and return 0 instead as required by tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249785
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Reid Kleckner [Fri, 9 Oct 2015 00:15:01 +0000 (00:15 +0000)]
[llvm-symbolizer] Make --relative-address work with DWARF contexts
Summary:
Previously the relative address flag only affected PDB debug info. Now
both DIContext implementations always expect to be passed virtual
addresses. llvm-symbolizer is now responsible for adding ImageBase to
module offsets when --relative-offset is passed.
Reviewers: zturner
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D12883
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249784
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Duncan P. N. Exon Smith [Fri, 9 Oct 2015 00:03:57 +0000 (00:03 +0000)]
Support: Partially revert r249782 to unbreak clang build
Apparently the iterators in `clang::CFGBlock` have an auto-conversion to
`CFGBlock *`, but the dereference operator gives `const CFGBlock &`.
Until I have a moment to fix that, revert the GenericDomTree chagnes
from r249782.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249783
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Duncan P. N. Exon Smith [Thu, 8 Oct 2015 23:49:46 +0000 (23:49 +0000)]
IR: Remove implicit iterator conversions from lib/IR, NFC
Stop converting implicitly between iterators and pointers/references in
lib/IR. For convenience, I've added a `getIterator()` accessor to
`ilist_node` so that callers don't need to know how to spell the
iterator class (i.e., they can use `X.getIterator()` instead of
`Function::iterator(X)`).
I'll eventually disallow these implicit conversions entirely, but
there's a lot of code, so it doesn't make sense to do it all in one
patch. One library or so at a time.
Why? To root out cases of `getNextNode()` and `getPrevNode()` being
used in iterator logic. The design of `ilist` makes that invalid when
the current node could be at the back of the list, but it happens to
"work" right now because of a bug where those functions never return
`nullptr` if you're using a half-node sentinel. Before I can fix the
function, I have to remove uses of it that rely on it misbehaving.
(Maybe the function should just be deleted anyway? But I don't want
deleting it -- potentially a huge project -- to block fixing
ilist/iplist.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249782
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Sanjoy Das [Thu, 8 Oct 2015 23:18:38 +0000 (23:18 +0000)]
[RS4GC] Refactoring to make a later change easier, NFCI
Summary:
These non-semantic changes will help make a later change adding
support for deopt operand bundles more streamlined.
Reviewers: reames, swaroop.sridhar
Subscribers: sanjoy, llvm-commits
Differential Revision: http://reviews.llvm.org/D13491
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249779
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Sanjoy Das [Thu, 8 Oct 2015 23:18:33 +0000 (23:18 +0000)]
[IRBuilder] Change the `gc.statepoint` creation interface
This is to enable me to address review for D13491 -- `Flags` is a
bitfield of `StatepointFlags`, not an individual item out of the enum,
so it should be represented as an `uint32_t`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249778
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Sanjoy Das [Thu, 8 Oct 2015 23:18:30 +0000 (23:18 +0000)]
[PlaceSafeopints] Extract out `callsGCLeafFunction`, NFC
Summary:
This will be used in a later change to RewriteStatepointsForGC.
Reviewers: reames, swaroop.sridhar
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13490
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249777
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Sanjoy Das [Thu, 8 Oct 2015 23:18:22 +0000 (23:18 +0000)]
[RS4GC] Don't copy ADT's unneccessarily, NFCI
Summary: Use `const auto &` instead of `auto` in `makeStatepointExplicit`.
Reviewers: reames, swaroop.sridhar
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13454
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249776
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Kevin Enderby [Thu, 8 Oct 2015 22:50:55 +0000 (22:50 +0000)]
Fix a bug in llvm-objdump’s printing of Objective-C meta data
from malformed Mach-O files that caused a crash because of a
section header had a size that extended past the end of the file.
rdar://
22983603
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249768
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Duncan P. N. Exon Smith [Thu, 8 Oct 2015 22:47:55 +0000 (22:47 +0000)]
Support: Stop relying on iterator auto-conversion, NFC
Stop relying on ilist implicit conversions from `value_type&` to
`iterator` in YAMLParser.cpp.
I eventually want to outlaw this entirely. It encourages
`getNextNode()` and `getPrevNode()` in iterator logic, which is
extremely fragile (and relies on them never returning `nullptr`).
FTR, there's nothing nefarious going on in this case, it was just easy
to clean up since the callers really wanted iterators to begin with.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249767
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Reid Kleckner [Thu, 8 Oct 2015 22:44:39 +0000 (22:44 +0000)]
Enable gtest SEH when building with clang-cl
Clang supports SEH well enough that this should work out of the box. If
it doesn't, we'll hear about it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249766
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Duncan P. N. Exon Smith [Thu, 8 Oct 2015 22:43:26 +0000 (22:43 +0000)]
AArch64: Stop using MachineInstr::getNextNode()
Stop using `getNextNode()` to get an insertion point (at least, in this
one place). Instead, use iterator logic directly.
The `getNextNode()` interface isn't actually supposed to work for
creating iterators; it's supposed to return `nullptr` (not a real
iterator) if this is the last node. It's currently broken and will
"happen" to work, but if we ever fix the function, we'll get some
strange failures in places like this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249764
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Duncan P. N. Exon Smith [Thu, 8 Oct 2015 22:36:08 +0000 (22:36 +0000)]
MC: Stop using Fragment::getNextNode()
Stop using `getNextNode()` to get an iterator to a fragment (at least,
in this one place). Instead, use iterator logic directly.
The `getNextNode()` interface isn't actually supposed to work for
creating iterators; it's supposed to return `nullptr` (not a real
iterator) if this is the last node. It's currently broken and will
"happen" to work, but if we ever fix the function, we'll get some
strange failures in places like this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249763
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Frederic Riss [Thu, 8 Oct 2015 22:35:53 +0000 (22:35 +0000)]
[dsymutil] Try to find lipo first besides dsymutil before looking up the PATH.
Even if we don't have it in PATH, lipo should usually exist in the same directory
as dsymutil. Keep the fallback looking up the PATH, it's very useful when
testing a non-installed executable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249762
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Duncan P. N. Exon Smith [Thu, 8 Oct 2015 22:20:37 +0000 (22:20 +0000)]
PowerPC: Don't use getNextNode() for insertion point
Stop using `getNextNode()` to create an insertion point for machine
instructions (at least, in this one place). Instead, use an iterator.
As a drive-by, clean up dump statements to use iterator logic.
The `getNextNode()` interface isn't actually supposed to work for
insertion points; it's supposed to return `nullptr` if this is the last
node. It's currently broken and will "happen" to work, but if we ever
fix the function, we'll get some strange failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249758
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Evgeniy Stepanov [Thu, 8 Oct 2015 21:35:26 +0000 (21:35 +0000)]
New MSan mapping layout (llvm part).
This is an implementation of
https://github.com/google/sanitizers/issues/579
It has a number of advantages over the current mapping:
* Works for non-PIE executables.
* Does not require ASLR; as a consequence, debugging MSan programs in
gdb no longer requires "set disable-randomization off".
* Supports linux kernels >=4.1.2.
* The code is marginally faster and smaller.
This is an ABI break. We never really promised ABI stability, but
this patch includes a courtesy escape hatch: a compile-time macro
that reverts back to the old mapping layout.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249753
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Evgeniy Stepanov [Thu, 8 Oct 2015 21:21:24 +0000 (21:21 +0000)]
Add Triple::isAndroid().
This is a simple refactoring that replaces Triple.getEnvironment()
checks for Android with Triple.isAndroid().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249750
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Teresa Johnson [Thu, 8 Oct 2015 20:52:23 +0000 (20:52 +0000)]
Fix another UBSan test error from r248897 and follow on fix r249689
While here fix a few more issues with potential overflow and add
new tests for these cases. Ensured that test now passes with UBSan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249745
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Eric Christopher [Thu, 8 Oct 2015 20:18:15 +0000 (20:18 +0000)]
Remove a '#' so that we can check either form for the various targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249734
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Eric Christopher [Thu, 8 Oct 2015 20:10:06 +0000 (20:10 +0000)]
Move the MMX subtarget feature out of the SSE set of features and into
its own variable.
This is needed so that we can explicitly turn off MMX without turning
off SSE and also so that we can diagnose feature set incompatibilities
that involve MMX without SSE.
Rationale:
// sse3
__m128d test_mm_addsub_pd(__m128d A, __m128d B) {
return _mm_addsub_pd(A, B);
}
// mmx
void shift(__m64 a, __m64 b, int c) {
_mm_slli_pi16(a, c);
_mm_slli_pi32(a, c);
_mm_slli_si64(a, c);
_mm_srli_pi16(a, c);
_mm_srli_pi32(a, c);
_mm_srli_si64(a, c);
_mm_srai_pi16(a, c);
_mm_srai_pi32(a, c);
}
clang -msse3 -mno-mmx file.c -c
For this code we should be able to explicitly turn off MMX
without affecting the compilation of the SSE3 function and then
diagnose and error on compiling the MMX function.
This matches the existing gcc behavior and follows the spirit of
the SSE/MMX separation in llvm where we can (and do) turn off
MMX code generation except in the presence of intrinsics.
Updated a couple of tests, but primarily tested with a couple of tests
for turning on only mmx and only sse.
This is paired with a patch to clang to take advantage of this behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249731
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Diego Novillo [Thu, 8 Oct 2015 19:40:37 +0000 (19:40 +0000)]
Re-apply r249644: Handle inline stacks in gcov-encoded sample profiles.
This fixes memory allocation problems by making the merge operation keep
the profile readers around until the merged profile has been emitted.
This is needed to prevent the inlined function names to disappear from
the function profiles. Since all the names are kept as references, once
the reader disappears, the names are also deallocated.
Additionally, XFAIL on big-endian architectures. The test case uses a
gcov file generated on a little-endian system.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249724
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Alexei Starovoitov [Thu, 8 Oct 2015 18:52:40 +0000 (18:52 +0000)]
[bpf] Do not expand UNDEF SDNode during insn selection lowering
o Before this patch, BPF backend will expand UNDEF node
to i64 constant 0.
o For second pass of dag combiner, legalizer will run through
each to-be-processed dag node.
o If any new SDNode is generated and has an undef operand,
dag combiner will put undef node, newly-generated constant-0 node,
and any node which uses these nodes in the working list.
o During this process, it is possible undef operand is
generated again, and this will form an infinite loop
for dag combiner pass2.
o This patch allows UNDEF to be a legal type.
Signed-off-by: Yonghong Song <yhs@plumgrid.com>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249718
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Sanjoy Das [Thu, 8 Oct 2015 18:46:59 +0000 (18:46 +0000)]
[SCEV] Bring some methods up to coding style; NFC
- Start methods with lower case
- Reflow a comment
- Delete header comment repeated in .cpp file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249716
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Reid Kleckner [Thu, 8 Oct 2015 18:41:52 +0000 (18:41 +0000)]
[WinEH] Relax assertion in the presence of stack realignment
The code is correct as is, but we should test it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249715
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Hal Finkel [Thu, 8 Oct 2015 18:30:27 +0000 (18:30 +0000)]
[PowerPC] Add R_PPC64_GLOB_DAT and R_PPC64_RELATIVE to PowerPC64.def
These are not used by LLVM proper, but will be used by upcoming commits to lld
(and will receive test coverage there).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249714
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Sanjoy Das [Thu, 8 Oct 2015 18:28:42 +0000 (18:28 +0000)]
[SCEV] Remove comment repeated in cpp file; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249713
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Sanjoy Das [Thu, 8 Oct 2015 18:28:36 +0000 (18:28 +0000)]
[SCEV] Pick backedge values for phi nodes correctly
Summary:
`getConstantEvolutionLoopExitValue` and `ComputeExitCountExhaustively`
assumed all phi nodes in the loop header have the same order of incoming
values. This is not correct, and this commit changes
`getConstantEvolutionLoopExitValue` and `ComputeExitCountExhaustively`
to lookup the backedge value of a phi node using the loop's latch block.
Unfortunately, there is still some code duplication
`getConstantEvolutionLoopExitValue` and `ComputeExitCountExhaustively`.
At some point in the future we should extract out a helper class /
method that can evolve constant evolution phi nodes across iterations.
Fixes 25060. Thanks to Mattias Eriksson for the spot-on analysis!
Depends on D13457.
Reviewers: atrick, hfinkel
Subscribers: materi, llvm-commits
Differential Revision: http://reviews.llvm.org/D13458
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249712
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Rafael Espindola [Thu, 8 Oct 2015 18:06:20 +0000 (18:06 +0000)]
Handle Archive::getNumberOfSymbols being called in an archive with no symbols.
No change in llvm, but will be tested from lld.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249709
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Ulrich Weigand [Thu, 8 Oct 2015 17:46:59 +0000 (17:46 +0000)]
[SystemZ] Fix another assertion failure in tryBuildVectorShuffle
This fixes yet another scenario where tryBuildVectorShuffle would
attempt to create a BUILD_VECTOR node with an invalid combination
of types. This can happen if the incoming BUILD_VECTOR has elements
of a type different from the vector element type, which is allowed
in certain cases as long as they are all the same type.
When one of these elements is used in the residual vector, and
UNDEF elements are added to fill up the residual vector, those
UNDEFs then have to use the type of the original element, not
the vector element type, or else the resulting BUILD_VECTOR
will have an invalid type combination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249706
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David Blaikie [Thu, 8 Oct 2015 17:22:12 +0000 (17:22 +0000)]
Make the Kaleidoscope Orc examples -Wdeprecated clean by avoiding copying some AST nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249703
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Sanjay Patel [Thu, 8 Oct 2015 17:09:31 +0000 (17:09 +0000)]
[InstCombine] transform masking off of an FP sign bit into a fabs() intrinsic call (PR24886)
This is a partial fix for PR24886:
https://llvm.org/bugs/show_bug.cgi?id=24886
Without this IR transform, the backend (x86 at least) was producing inefficient code.
This patch is making 2 assumptions:
1. The canonical form of a fabs() operation is, in fact, the LLVM fabs() intrinsic.
2. The high bit of an FP value is always the sign bit; as noted in the bug report, this isn't specified by the LangRef.
Differential Revision: http://reviews.llvm.org/D13076
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249702
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96231b3b80d8