NAKAMURA Takumi [Sat, 9 May 2015 05:59:00 +0000 (05:59 +0000)]
llvm/test/CodeGen/AArch64/tailcall_misched_graph.ll: s/REQUIRE/REQUIRES/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236928
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James Y Knight [Sat, 9 May 2015 03:13:37 +0000 (03:13 +0000)]
Fix MergeConsecutiveStore for non-byte-sized memory accesses.
The bug showed up as a compile-time assertion failure:
Assertion `NumBits >= MIN_INT_BITS && "bitwidth too small"' failed
when building msan tests on x86-64.
Prior to r236850, this bug was masked due to a bogus alignment check,
which also accidentally rejected non-byte-sized accesses. Afterwards,
an invalid ElementSizeBytes == 0 got further into the function, and
triggered the assertion failure.
It would probably be a good idea to allow it to handle merging stores
of unusual widths as well, but for now, to un-break it, I'm just
making the minimal fix.
Differential Revision: http://reviews.llvm.org/D9626
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236927
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Tom Stellard [Sat, 9 May 2015 00:56:07 +0000 (00:56 +0000)]
MachineCSE: Add a target query for the LookAheadLimit heurisitic
This is used to determine whether or not to CSE physical register
defs.
Differential Revision: http://reviews.llvm.org/D9472
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236923
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Pete Cooper [Sat, 9 May 2015 00:51:03 +0000 (00:51 +0000)]
[Fast-ISel] Don't mark the first use of a remat constant as killed.
When emitting something like 'add x, 1000' if we remat the 1000 then we should be able to
mark the vreg containing 1000 as killed. Given that we go bottom up in fast-isel, a later
use of 1000 will be higher up in the BB and won't kill it, or be impacted by the lower kill.
However, rematerialised constant expressions aren't generated bottom up. The local value save area
grows downwards. This means that if you remat 2 constant expressions which both use 1000 then the
first will kill it, then the second, which is *lower* in the BB will read a killed register.
This is the case in the attached test where the 2 GEPs both need to generate 'add x, 6680' for the constant offset.
Note that this commit only makes kill flag generation conservative. There's nothing else obviously wrong with
the local value save area growing downwards, and in fact it needs to for handling arbitrarily complex constant expressions.
However, it would be nice if there was a solution which would let us generate more accurate kill flags, or just kill flags completely.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236922
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Arnold Schwaighofer [Sat, 9 May 2015 00:10:25 +0000 (00:10 +0000)]
Fix compile error
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236921
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Quentin Colombet [Sat, 9 May 2015 00:02:06 +0000 (00:02 +0000)]
Revert r236912.
Author: dblaikie
Date: Fri May 8 17:47:50 2015
New Revision: 236912
URL: http://llvm.org/viewvc/llvm-project?rev=236912&view=rev
Log:
[opaque pointer type] Cleanup a few references to pointee types using nearby non-pointee types of the same value
& cleanup a convoluted return expression while I'm here
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236919
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Davide Italiano [Fri, 8 May 2015 23:58:28 +0000 (23:58 +0000)]
[Target/ARM] Remove unused 'private' from class.
Differential Revision: http://reviews.llvm.org/D9611
Reviewed by: rengolin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236918
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Arnold Schwaighofer [Fri, 8 May 2015 23:52:00 +0000 (23:52 +0000)]
ScheduleDAGInstrs: In functions with tail calls PseudoSourceValues are not non-aliasing distinct objects
The code that builds the dependence graph assumes that two PseudoSourceValues
don't alias. In a tail calling function two FixedStackObjects might refer to the
same location. Worse 'immutable' fixed stack objects like function arguments are
not immutable and will be clobbered.
Change this so that a load from a FixedStackObject is not invariant in a tail
calling function and don't return a PseudoSourceValue for an instruction in tail
calling functions when building the dependence graph so that we handle function
arguments conservatively.
Fix for PR23459.
rdar://
20740035
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236916
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David Blaikie [Fri, 8 May 2015 22:47:50 +0000 (22:47 +0000)]
[opaque pointer type] Cleanup a few references to pointee types using nearby non-pointee types of the same value
& cleanup a convoluted return expression while I'm here
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236912
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Kostya Serebryany [Fri, 8 May 2015 21:45:19 +0000 (21:45 +0000)]
[lib/Fuzzer] build tests that work well with dfsan also w/o dfsan
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236909
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Kostya Serebryany [Fri, 8 May 2015 21:30:55 +0000 (21:30 +0000)]
[lib/Fuzzer] use -fsanitize-coverage=trace-cmp when building LLVM with LLVM_USE_SANITIZE_COVERAGE; in lib/Fuzzer try to reload the corpus to pick up new units from other processes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236906
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Hans Wennborg [Fri, 8 May 2015 21:23:39 +0000 (21:23 +0000)]
Switch lowering: cluster adjacent fall-through cases even at -O0
It's cheap to do, and codegen is much faster if cases can be merged
into clusters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236905
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Daniel Berlin [Fri, 8 May 2015 21:17:24 +0000 (21:17 +0000)]
Add a comment about DepthFirstIterator's skipchildren behavior
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236904
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Renato Golin [Fri, 8 May 2015 21:04:27 +0000 (21:04 +0000)]
TargetParser: FPU/ARCH/EXT parsing refactory - NFC
This new class in a global context contain arch-specific knowledge in order
to provide LLVM libraries, tools and projects with the ability to understand
the architectures. For now, only FPU, ARCH and ARCH extensions on ARM are
supported.
Current behaviour it to parse from free-text to enum values and back, so that
all users can share the same parser and codes. This simplifies a lot both the
ASM/Obj streamers in the back-end (where this came from), and the front-end
parsers for command line arguments (where this is going to be used next).
The previous implementation, using .def/.h includes is deprecated due to its
inflexibility to be built without the backend support and for being too
cumbersome. As more architectures join this scheme, and as more features of
such architectures are added (such as hardware features, type sizes, etc) into
a full blown TargetDescription class, having a set of classes is the most
sane implementation.
The ultimate goal of this refactor both LLVM's and Clang's target description
classes into one unique interface, so that we can de-duplicate and standardise
the descriptions, as well as make it available for other front-ends, tools,
etc.
The FPU parsing for command line options in Clang has been converted to use
this new library and a number of aliases were added for compatibility:
* A bogus neon-vfpv3 alias (neon defaults to vfp3)
* armv5/v6
* {fp4/fp5}-{sp/dp}-d16
Next steps:
* Port Clang's ARCH/EXT parsing to use this library.
* Create a TableGen back-end to generate this information.
* Run this TableGen process regardless of which back-ends are built.
* Expose more information and rename it to TargetDescription.
* Continue re-factoring Clang to use as much of it as possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236900
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Diego Novillo [Fri, 8 May 2015 21:01:29 +0000 (21:01 +0000)]
Update Function::getContext documentation. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236899
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Pete Cooper [Fri, 8 May 2015 20:46:54 +0000 (20:46 +0000)]
[Fast-ISel] Clear kill flags on registers replaced by updateValueMap.
When selecting an extract instruction, we don't actually generate code but instead work out which register we are reading, and rewrite uses of the extract def to the source register. This is done via updateValueMap,.
However, its possible that the source register we are rewriting *to* to also have uses. If those uses are after a kill of the value we are rewriting *from* then we have uses after a kill and the verifier fails.
This code checks for the case where the to register is also used, and if so it clears all kill on the from register. This is conservative, but better that always clearing kills on the from register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236897
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Brendon Cahoon [Fri, 8 May 2015 20:18:21 +0000 (20:18 +0000)]
[Hexagon] Generate more hardware loops
Refactored parts of the hardware loop pass to generate
more. Also, added more tests.
Differential Revision: http://reviews.llvm.org/D9568
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236896
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Sanjoy Das [Fri, 8 May 2015 18:58:55 +0000 (18:58 +0000)]
[BasicAA] Fix zext & sext handling
Summary:
There are several unhandled edge cases in BasicAA's GetLinearExpression
method. This changes fixes outstanding issues, including zext / sext of
a constant with the sign bit set, and the refusal to decompose zexts or
sexts of wrapping arithmetic.
Test Plan: Unit tests added in //q.ext.ll//.
Patch by Nick White.
Reviewers: hfinkel, sanjoy
Reviewed By: hfinkel, sanjoy
Subscribers: sanjoy, llvm-commits, hfinkel
Differential Revision: http://reviews.llvm.org/D6682
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236894
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David Blaikie [Fri, 8 May 2015 18:52:28 +0000 (18:52 +0000)]
Replace branch-to-unreachable with assertion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236893
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Pat Gavlin [Fri, 8 May 2015 18:37:49 +0000 (18:37 +0000)]
Fix a docs build break introduced by rL236888.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236891
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Pete Cooper [Fri, 8 May 2015 18:29:42 +0000 (18:29 +0000)]
[X86] Fast-ISel was incorrectly always killing the source of a truncate.
A trunc from i32 to i1 on x86_64 generates an instruction such as
%vreg19<def> = COPY %vreg9:sub_8bit<kill>; GR8:%vreg19 GR32:%vreg9
However, the copy here should only have the kill flag on the 32-bit path, not the 64-bit one.
Otherwise, we are killing the source of the truncate which could be used later in the program.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236890
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Pat Gavlin [Fri, 8 May 2015 18:07:42 +0000 (18:07 +0000)]
Extend the statepoint intrinsic to allow statepoints to be marked as transitions from GC-aware code to code that is not GC-aware.
This changes the shape of the statepoint intrinsic from:
@llvm.experimental.gc.statepoint(anyptr target, i32 # call args, i32 unused, ...call args, i32 # deopt args, ...deopt args, ...gc args)
to:
@llvm.experimental.gc.statepoint(anyptr target, i32 # call args, i32 flags, ...call args, i32 # transition args, ...transition args, i32 # deopt args, ...deopt args, ...gc args)
This extension offers the backend the opportunity to insert (somewhat) arbitrary code to manage the transition from GC-aware code to code that is not GC-aware and back.
In order to support the injection of transition code, this extension wraps the STATEPOINT ISD node generated by the usual lowering lowering with two additional nodes: GC_TRANSITION_START and GC_TRANSITION_END. The transition arguments that were passed passed to the intrinsic (if any) are lowered and provided as operands to these nodes and may be used by the backend during code generation.
Eventually, the lowering of the GC_TRANSITION_{START,END} nodes should be informed by the GC strategy in use for the function containing the intrinsic call; for now, these nodes are instead replaced with no-ops.
Differential Revision: http://reviews.llvm.org/D9501
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236888
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Jingyue Wu [Fri, 8 May 2015 18:07:24 +0000 (18:07 +0000)]
[NoTTI] reject negative scale in addressing mode
Summary:
I noticed this bug when deubging a WIP on LSR. I wonder whether and how we
should add a regression test for this.
Test Plan: no tests failed.
Reviewers: atrick
Subscribers: hfinkel, llvm-commits
Differential Revision: http://reviews.llvm.org/D9536
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236887
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Pete Cooper [Fri, 8 May 2015 17:54:32 +0000 (17:54 +0000)]
Clear kill flags on all used registers when sinking instructions.
The test here was sinking the AND here to a lower BB:
%vreg7<def> = ANDWri %vreg8, 0; GPR32common:%vreg7,%vreg8
TBNZW %vreg8<kill>, 0, <BB#1>; GPR32common:%vreg8
which meant that vreg8 was read after it was killed.
This commit changes the code from clearing kill flags on the AND to clearing flags on all registers used by the AND.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236886
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Pete Cooper [Fri, 8 May 2015 17:54:29 +0000 (17:54 +0000)]
80 cols fix since i'm looking at this function anyway. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236885
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Pete Cooper [Fri, 8 May 2015 16:59:53 +0000 (16:59 +0000)]
Remove duplicate cmake target I added in r236792.
Thanks to Daniel Jasper for pointing out the mistake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236881
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Douglas Katzman [Fri, 8 May 2015 16:39:59 +0000 (16:39 +0000)]
Unbreak build: Makefile must have the same change as CMakeLists.txt
This was omitted from http://reviews.llvm.org/D9441
(the irony is that that was to detect omissions in something else)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236878
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Brendon Cahoon [Fri, 8 May 2015 16:16:29 +0000 (16:16 +0000)]
[Hexagon] Update AnalyzeBranch, etc target hooks
Improved the AnalyzeBranch, InsertBranch, and RemoveBranch
functions in order to handle more of our branch instructions.
This requires changes to analyzeCompare and PredicateInstructions.
Specifically, we've added support for new value compare jumps,
improved handling of endloop, added more compare instructions,
and improved support for predicate instructions.
Differential Revision: http://reviews.llvm.org/D9559
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236876
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Douglas Katzman [Fri, 8 May 2015 15:34:12 +0000 (15:34 +0000)]
Prevent further errors of omission when adding backend names.
Differential Revision: http://reviews.llvm.org/D9441
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236865
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Andrea Di Biagio [Fri, 8 May 2015 15:11:07 +0000 (15:11 +0000)]
[X86] Teach 'getTargetShuffleMask' how to look through ISD::WrapperRIP when decoding a PSHUFB mask.
The function 'getTargetShuffleMask' already knows how to deal with PSHUFB nodes
where the mask node is a load from constant pool, and the constant pool node
is wrapped by a X86ISD::Wrapper node. This patch extends that logic by teaching
it how to also look through X86ISD::WrapperRIP.
This helps function combineX86ShufflesRecusively to combine more shuffle
sequences containing PSHUFB nodes if we are in RIPRel PIC mode.
Before this change, llc (with -relocation-model=pic -march=x86-64) was unable
to decode a pshufb where the mask was loaded from a constant pool. For example,
the no-op shuffle from test 'x86-fold-pshufb.ll' was not folded into its
operand, so instead of generating a single 'movaps' the backend always
generated a sub-optimal 'movdqa + pshufb' sequence.
Added test x86-fold-pshufb.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236863
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Jozef Kolek [Fri, 8 May 2015 14:25:11 +0000 (14:25 +0000)]
[mips][microMIPSr6] Implement ALUIPC and AUIPC instructions
This patch implements ALUIPC and AUIPC instructions using mapping.
Differential Revision: http://reviews.llvm.org/D8441
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236858
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James Y Knight [Fri, 8 May 2015 14:04:54 +0000 (14:04 +0000)]
Fix test added in r236850 for OSX builders.
Need to specify triple so that llvm emits the asm syntax that the
test expected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236855
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Jozef Kolek [Fri, 8 May 2015 13:52:04 +0000 (13:52 +0000)]
[mips][microMIPSr6] Implement ADDIUPC and LWPC instructions
This patch implements ADDIUPC and LWPC instructions using mapping.
Differential Revision: http://reviews.llvm.org/D8415
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236852
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James Y Knight [Fri, 8 May 2015 13:47:01 +0000 (13:47 +0000)]
Fix alignment checks in MergeConsecutiveStores.
1) check whether the alignment of the memory is sufficient for the
*merged* store or load to be efficient.
Not doing so can result in some ridiculously poor code generation, if
merging creates a vector operation which must be aligned but isn't.
2) DON'T check that the alignment of each load/store is equal. If
you're merging 2 4-byte stores, the first *might* have 8-byte
alignment, but the second certainly will have 4-byte alignment. We do
want to allow those to be merged.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236850
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Igor Laevsky [Fri, 8 May 2015 13:17:22 +0000 (13:17 +0000)]
Fix coding standart based on post submit comments.
Differential Revision: http://reviews.llvm.org/D7760
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236849
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John Brawn [Fri, 8 May 2015 12:52:02 +0000 (12:52 +0000)]
[ARM] Reject invalid -march values
Restructure Triple::getARMCPUForArch so that invalid values will
return nullptr, while retaining the behaviour that an argument
specifying no particular architecture version will give a default
CPU. This will be used by clang to give an error on invalid -march
values.
Also restructure the extraction of the architecture version from
the MArch string a little to hopefully make what it's doing clearer.
Differential Revision: http://reviews.llvm.org/D9599
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236845
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Denis Protivensky [Fri, 8 May 2015 12:21:03 +0000 (12:21 +0000)]
Fix gcc warning of different enum and non-enum types in ternary
Make '0' literal explicitly unsigned with '0u'.
This appeared after r236775.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236838
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Toma Tabacu [Fri, 8 May 2015 12:15:04 +0000 (12:15 +0000)]
[mips] Only use FGR_{32,64} in TableGen descriptions. NFC.
Summary: Instead of explicitly adding the IsFP64bit and NotFP64bit predicates through AdditionalRequires.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9566
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236835
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Igor Laevsky [Fri, 8 May 2015 11:59:09 +0000 (11:59 +0000)]
This change is refactoring only. It moves basic block normalization for invokes to happen before replacement of a call with safepoint in "ReplaceWithStatepoint". Previously it was partly done before replacement of calls with safepoint and partly after call replacement but before RAUW's for gc_relocates, which was confusing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236829
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Vasileios Kalintiris [Fri, 8 May 2015 09:10:15 +0000 (09:10 +0000)]
[mips] Emit the .insn directive for empty basic blocks.
Summary:
In microMIPS, labels need to know whether they are on code or data. This is
indicated with STO_MIPS_MICROMIPS and can be inferred by being followed
by instructions. For empty basic blocks, we can ensure this by emitting the
.insn directive after the label.
Also, this fixes some failures in our out-of-tree microMIPS buildbots, for the
exception handling regression tests under: SingleSource/Regression/C++/EH
Reviewers: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9530
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236815
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Simon Atanasyan [Fri, 8 May 2015 07:05:04 +0000 (07:05 +0000)]
[yaml2elf] Replace error message by assert call in writeSectionContent methods
Now caller of ELFState::writeSectionContent() methods is responsible to check
a section type and selects an appropriate writeSectionContent method.
So unexpected section type inside writeSectionContent method indicates
a wrong usage of the method and should be guarded by assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236808
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Simon Atanasyan [Fri, 8 May 2015 07:04:59 +0000 (07:04 +0000)]
[llvm-readobj/obj2yaml/yaml2obj] Support MIPS machine ELF header flags
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236807
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Eric Christopher [Fri, 8 May 2015 00:57:22 +0000 (00:57 +0000)]
Now that we have a soft-float attribute, use it instead of the
hard coded command line option for the Mips soft float tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236801
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David Blaikie [Fri, 8 May 2015 00:42:26 +0000 (00:42 +0000)]
[opaque pointer type] Explicit pointee type for GEPOperator/GEPConstantExpr.
Also a couple of other changes to avoid use of
PointerType::getElementType here & there too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236799
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Alexey Samsonov [Thu, 7 May 2015 23:33:24 +0000 (23:33 +0000)]
Update CMake flags, LibFuzzer comments and docs for new -fsanitize-coverage= flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236797
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Eric Christopher [Thu, 7 May 2015 23:10:23 +0000 (23:10 +0000)]
InMips16HardFloat was only being set conditional on whether or
not IsSoftFloat was set so remove it from here simplifying the
accessor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236795
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Eric Christopher [Thu, 7 May 2015 23:10:21 +0000 (23:10 +0000)]
Rename the MIPS routine abiUsesSoftFloat -> useSoftFloat to match
some incoming changes and the general scheme used by features (use/has).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236794
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Pete Cooper [Thu, 7 May 2015 22:53:11 +0000 (22:53 +0000)]
Add yaml-bench to the list of tools make check needs to run
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236792
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Alexey Samsonov [Thu, 7 May 2015 22:46:06 +0000 (22:46 +0000)]
Delete unused createSanitizerCoverageModulePass overload.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236791
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NAKAMURA Takumi [Thu, 7 May 2015 22:24:58 +0000 (22:24 +0000)]
[CMake] llvm/test/YAMLParser requires yaml-bench. This fixes r236754.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236787
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Ismail Pazarbasi [Thu, 7 May 2015 22:17:48 +0000 (22:17 +0000)]
Revert "SanitizerCoverage: Use `createSanitizerCtor` to create ctor and call init"
Will fix tomorrow. Unbreak build bots now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236786
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Matthias Braun [Thu, 7 May 2015 22:16:10 +0000 (22:16 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236785
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Pete Cooper [Thu, 7 May 2015 21:48:26 +0000 (21:48 +0000)]
Clear kill flags in tail duplication.
If we duplicate an instruction then we must also clear kill flags on any uses we rewrite.
Otherwise we might be killing a register which was used in other BBs.
For example, here the entry BB ended up with these instructions, the ADD having been tail duplicated.
%vreg24<def> = t2ADDri %vreg10<kill>, 1, pred:14, pred:%noreg, opt:%noreg; GPRnopc:%vreg24 rGPR:%vreg10
%vreg22<def> = COPY %vreg10; GPR:%vreg22 rGPR:%vreg10
The copy here is inserted after the add and so needs vreg10 to be live.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236782
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Ismail Pazarbasi [Thu, 7 May 2015 21:47:25 +0000 (21:47 +0000)]
When checking msan.module_ctor, use CHECK-LABEL instead of CHECK
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236781
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Ismail Pazarbasi [Thu, 7 May 2015 21:43:28 +0000 (21:43 +0000)]
SanitizerCoverage: Use `createSanitizerCtor` to create ctor and call init
Reviewers: kcc, samsonov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8780
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236780
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Ismail Pazarbasi [Thu, 7 May 2015 21:41:52 +0000 (21:41 +0000)]
MSan: Use `createSanitizerCtor` to create ctor, and call `__msan_init`
Reviewers: kcc, eugenis
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8781
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236779
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Ismail Pazarbasi [Thu, 7 May 2015 21:41:23 +0000 (21:41 +0000)]
TSan: Use `createSanitizerCtor` to create ctor, and call `__tsan_init`
Reviewers: kcc, dvyukov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8779
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236778
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Ismail Pazarbasi [Thu, 7 May 2015 21:40:46 +0000 (21:40 +0000)]
ASan: Use `createSanitizerCtor` to create ctor, and call `__asan_init`
Reviewers: kcc, samsonov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8778
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236777
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Matthias Braun [Thu, 7 May 2015 21:33:59 +0000 (21:33 +0000)]
Change getTargetNodeName() to produce compiler warnings for missing cases, fix them
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236775
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Kostya Serebryany [Thu, 7 May 2015 21:02:11 +0000 (21:02 +0000)]
[lib/Fuzzer] change the way we use taint information for fuzzing. Now, we run a single unit and collect suggested mutations based on tracing+taint data, then apply the suggested mutations one by one. The previous scheme was slower and more complex.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236772
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Steven Wu [Thu, 7 May 2015 19:56:23 +0000 (19:56 +0000)]
Use auto instead of the long type name. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236768
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Pete Cooper [Thu, 7 May 2015 19:21:36 +0000 (19:21 +0000)]
[AArch64] Fix sext/zext folding in address arithmetic.
We were accidentally folding a sign/zero extend in to address arithmetic in a different BB when the extend wasn't available there.
Cross BB fast-isel isn't safe, so restrict this to only when the extend is in the same BB as the use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236764
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Alex Lorenz [Thu, 7 May 2015 18:48:48 +0000 (18:48 +0000)]
Fix r236754: Add the missing yaml-bench dir to the makefile for utils.
This commit adds the missing yaml-bench utility to the
makefile in utils. It was missing before and it caused
the regression tests to fail on some buildbots when llvm-lit
couldn't find yaml-bench when llvm was built without
cmake after I committed r236754.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236761
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Sergey Dmitrouk [Thu, 7 May 2015 18:33:50 +0000 (18:33 +0000)]
Disable r235989 "Reapply r235977 "[DebugInfo] Add debug locations to constant SD nodes""
Will be re-enabled with missing changes for ConstantFPSDNode and
fixes for wrong locations due to constant coalescing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236758
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Kostya Serebryany [Thu, 7 May 2015 18:32:29 +0000 (18:32 +0000)]
[lib/Fuzzer] minor refactoring/simplification, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236757
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Nemanja Ivanovic [Thu, 7 May 2015 18:24:05 +0000 (18:24 +0000)]
Add VSX Scalar loads and stores to the PPC back end
This patch corresponds to review:
http://reviews.llvm.org/D9440
It adds a new register class to the PPC back end to contain single precision
values in VSX registers. Additionally, it adds scalar loads and stores for
VSX registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236755
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Alex Lorenz [Thu, 7 May 2015 18:08:46 +0000 (18:08 +0000)]
YAML: Enable the YAMLParser tests.
This commit enables the tests located in test/YAMLParser directory.
Those tests were never actually enabled, as llvm-lit didn't pick up the
files with the 'data' extension. The commit renames those test files to files
with the 'test' extension so that llvm-lit would find them.
This commit also modifies yaml-bench so that it returns an error status
if an error occurred during parsing. It also adds the '-use-color'
command line option to yaml-bench (to make sure that file check matches
the error messages in the output stream).
This commit modifies some of the renamed tests so that they wouldn't
fail. It gets rid of XFAILs and uses the 'not' command instead for
some of the tests that have to fail during parsing. This commit
also adds some 'FIXME' comments to a couple of tests that are
supposed to fail but currently pass because of various bugs
in the implementation of the yaml parser.
Reviewers: Justin Bogner
Differential Revision: http://reviews.llvm.org/D9448
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236754
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David Blaikie [Thu, 7 May 2015 17:28:58 +0000 (17:28 +0000)]
Recommit r236670: [opaque pointer type] Pass explicit pointer type through GEP constant folding""
Clang regressions were caused by more stringent assertion checking
introduced by this change. Small fix needed to clang has been committed
in r236751.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236752
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Diego Novillo [Thu, 7 May 2015 17:22:06 +0000 (17:22 +0000)]
Fix information loss in branch probability computation.
Summary:
This addresses PR 22718. When branch weights are too large, they were
being clamped to the range [1, MaxWeightForBB]. But this clamping is
only applied to edges that go outside the range, so it distorts the
relative branch probabilities.
This patch changes the weight calculation to scale every branch so the
relative probabilities are preserved. The scaling is done differently
now. First, all the branch weights are added up, and if the sum exceeds
32 bits, it computes an integer scale to bring all the weights within
the range.
The patch fixes an existing test that had slightly wrong branch
probabilities due to the previous clamping. It now gets branch weights
scaled accordingly.
Reviewers: dexonsmith
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9442
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236750
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Jozef Kolek [Thu, 7 May 2015 17:12:23 +0000 (17:12 +0000)]
[mips][microMIPSr6] Implement JIALC and JIC instructions
This patch implements JIALC and JIC instructions using mapping.
Differential Revision: http://reviews.llvm.org/D8389
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236748
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Michael Zolotukhin [Thu, 7 May 2015 17:11:51 +0000 (17:11 +0000)]
Populate list of vectorizable functions for Accelerate library.
Summary:
This patch adds majority of supported by Accelerate library functions to the
list of vectorizable functions.
The full list of available vector functions could be found here:
https://developer.apple.com/library/mac/documentation/Performance/Conceptual/vecLib/index.html
Test Plan: Unit tests are added.
Reviewers: hfinkel, aschwaighofer, nadav
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9543
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236747
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Matt Arsenault [Thu, 7 May 2015 17:02:32 +0000 (17:02 +0000)]
R600: Fix comment that mentions AMDIL
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236745
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Sanjay Patel [Thu, 7 May 2015 16:51:12 +0000 (16:51 +0000)]
Use intrinsic pattern to make a simpler match
This is a follow-on to r236740 where I took Andrea's advice
in D9504 to remove a redundant pattern...except that I removed
the wrong pattern!
AFAICT, there is no change in the final code produced because
subsequent passes would clean up the extra instructions created
by the more complicated pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236743
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Steven Wu [Thu, 7 May 2015 16:20:51 +0000 (16:20 +0000)]
Fix another hang caused by ManagedStatic in SignalHandler
Fix two other variables that might cause the same hang fixed in r235914.
The hang is caused by constructing ManagedStatic in signalhandler. In
this case, if FileToRemove or CallBacksToRun is not contructed, it means
there is no work to do.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236741
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Sanjay Patel [Thu, 7 May 2015 15:48:53 +0000 (15:48 +0000)]
[x86] eliminate unnecessary shuffling/moves with unary scalar math ops (PR21507)
Finish the job that was abandoned in D6958 following the refactoring in
http://reviews.llvm.org/rL230221:
1. Uncomment the intrinsic def for the AVX r_Int instruction.
2. Add missing r_Int entries to the load folding tables; there are already
tests that check these in "test/Codegen/X86/fold-load-unops.ll", so I
haven't added any more in this patch.
3. Add patterns to solve PR21507 ( https://llvm.org/bugs/show_bug.cgi?id=21507 ).
So instead of this:
movaps %xmm0, %xmm1
rcpss %xmm1, %xmm1
movss %xmm1, %xmm0
We should now get:
rcpss %xmm0, %xmm0
And instead of this:
vsqrtss %xmm0, %xmm0, %xmm1
vblendps $1, %xmm1, %xmm0, %xmm0 ## xmm0 = xmm1[0],xmm0[1,2,3]
We should now get:
vsqrtss %xmm0, %xmm0, %xmm0
Differential Revision: http://reviews.llvm.org/D9504
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236740
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Hans Wennborg [Thu, 7 May 2015 15:47:15 +0000 (15:47 +0000)]
Switch lowering: handle zero-weight branch probabilities
After r236617, branch probabilities are no longer guaranteed to be >= 1. This
patch makes the swich lowering code handle that correctly, without bumping the
branch weights by 1 which might cause overflow and skews the probabilities.
Covered by @zero_weight_tree in test/CodeGen/X86/switch.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236739
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Simon Atanasyan [Thu, 7 May 2015 15:40:48 +0000 (15:40 +0000)]
[obj2yaml/yaml2obj] Add SHT_MIPS_ABIFLAGS section support
This change adds support for the SHT_MIPS_ABIFLAGS section
reading/writing to the obj2yaml and yaml2obj tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236738
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Simon Atanasyan [Thu, 7 May 2015 15:40:35 +0000 (15:40 +0000)]
[llvm-readobj] Print .MIPS.abiflags section content
This change adds new flag -mips-abi-flags to the llvm-readobj. This flag
forces printing of .MIPS.abiflags section content.
https://dmz-portal.mips.com/wiki/MIPS_O32_ABI_-_FR0_and_FR1_Interlinking#10.2.1._.MIPS.abiflags
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236737
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Simon Atanasyan [Thu, 7 May 2015 14:57:04 +0000 (14:57 +0000)]
[MIPS] Move MIPS ABI flags structure constants to the separate header
http://reviews.llvm.org/D9517
The separate header file allows to reuse the MIPS ABI flags structure
constants in other LLVM tools like the llvm-readobj.
No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236732
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Simon Atanasyan [Thu, 7 May 2015 14:04:44 +0000 (14:04 +0000)]
[llvm-readobj/obj2yaml/yaml2obj] Support more MIPS ELF header flags
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236728
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Elena Demikhovsky [Thu, 7 May 2015 12:25:11 +0000 (12:25 +0000)]
Masked Gather and Scatter intrinsics - updated documentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236721
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Elena Demikhovsky [Thu, 7 May 2015 11:24:42 +0000 (11:24 +0000)]
AVX-512: Added all forms of FP compare instructions for KNL and SKX.
Added intrinsics for the instructions. CC parameter of the intrinsics was changed from i8 to i32 according to the spec.
By Igor Breger (igor.breger@intel.com)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236714
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Toma Tabacu [Thu, 7 May 2015 10:29:52 +0000 (10:29 +0000)]
[mips] Add the SoftFloat MipsSubtarget feature.
Summary: This will enable the IAS to reject floating point instructions if soft-float is enabled.
Reviewers: dsanders, echristo
Reviewed By: dsanders
Subscribers: jfb, llvm-commits, mpf
Differential Revision: http://reviews.llvm.org/D9053
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236713
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NAKAMURA Takumi [Thu, 7 May 2015 10:18:56 +0000 (10:18 +0000)]
Attributes.h: Fix incorrect \brief introduced in r236666. [-Wdocumentation]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236712
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NAKAMURA Takumi [Thu, 7 May 2015 10:18:46 +0000 (10:18 +0000)]
Scalar/PlaceSafepoints.cpp: Fix a warning introduced in r228090. [-Wunused-variable]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236711
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NAKAMURA Takumi [Thu, 7 May 2015 10:18:28 +0000 (10:18 +0000)]
llvm/test/CodeGen/X86/llc-override-mcpu-mattr.ll: Tweak not to be affected by x64 Calling Convention.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236710
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Mehdi Amini [Thu, 7 May 2015 05:52:40 +0000 (05:52 +0000)]
Update InstCombine to transform aggregate loads into scalar loads.
Summary:
One step further getting aggregate loads and store being optimized
properly. This will only handle struct with one element at this point.
Test Plan: Added unit tests for the new supported cases.
Reviewers: chandlerc, joker-eph, joker.eph, majnemer
Reviewed By: majnemer
Subscribers: pete, llvm-commits
Differential Revision: http://reviews.llvm.org/D8339
Patch by Amaury Sechet.
From: Amaury Sechet <amaury@fb.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236695
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Alexey Samsonov [Thu, 7 May 2015 01:00:31 +0000 (01:00 +0000)]
[SanitizerCoverage] Introduce SanitizerCoverageOptions struct.
Summary:
This gives frontend more precise control over collected coverage
information. User can still override these options by passing
-mllvm flags.
No functionality change.
Test Plan: regression test suite.
Reviewers: kcc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9539
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236687
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Justin Bogner [Thu, 7 May 2015 00:56:34 +0000 (00:56 +0000)]
IR: Initialize DerefOrNullBytes in the AttrBuilder constructors
MSAN pointed out that this value is used uninitialized:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/3678
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236686
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Justin Bogner [Thu, 7 May 2015 00:31:58 +0000 (00:31 +0000)]
InstrProf: Simplify looking up sections for coverage data
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236685
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Philip Reames [Thu, 7 May 2015 00:19:14 +0000 (00:19 +0000)]
[JumpThreading] Simplify comparisons when simplifying branches
If we have recognized that a conditional is constant at a particular location in the code (while trying to decide if we can simplify a conditional branch), we can eagerly replace that condition with a constant if it's definition is post dominated by the branch in question.
In practice, this ends up being a compile time savings at most. JumpThreading would have visited each using branch anyways. CVP would have visited the cmp itself again. Unless LVI gives up early, we shouldn't gain any addition power by doing this transformation early. What we do gain is simplicity and compile time.
Differential Revision: http://reviews.llvm.org/D9312
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236684
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Kostya Serebryany [Thu, 7 May 2015 00:11:33 +0000 (00:11 +0000)]
[lib/Fuzzer] add dfsan_weak_hook_memcmp, enable the test that uses it, simplify the test runner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236683
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Vince Harron [Thu, 7 May 2015 00:05:26 +0000 (00:05 +0000)]
Added support for building against Android API-9 SDK
Created an abstraction for log2, llvm::Log2 in Support/MathExtras.h
Hid Android problems inside of it
Differential Revision: http://reviews.llvm.org/D9467
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236680
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David Blaikie [Wed, 6 May 2015 23:56:21 +0000 (23:56 +0000)]
Revert "[opaque pointer type] Pass explicit pointer type through GEP constant folding"
Causes regressions in Clang. Reverting while I investigate.
This reverts commit r236670.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236678
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Akira Hatanaka [Wed, 6 May 2015 23:54:14 +0000 (23:54 +0000)]
Let llc and opt override "-target-cpu" and "-target-features" via command line
options.
This commit fixes a bug in llc and opt where "-mcpu" and "-mattr" wouldn't
override function attributes "-target-cpu" and "-target-features" in the IR.
Differential Revision: http://reviews.llvm.org/D9537
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236677
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Sanjoy Das [Wed, 6 May 2015 23:53:26 +0000 (23:53 +0000)]
[X86MCInst] Move LowerSTATEPOINT to inside X86AsmPrinter. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236676
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Sanjoy Das [Wed, 6 May 2015 23:53:24 +0000 (23:53 +0000)]
[X86MCInst] Clean up LowerSTATEPOINT: variable names. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236675
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Sanjoy Das [Wed, 6 May 2015 23:53:21 +0000 (23:53 +0000)]
[Statepoints] Clean up PlaceSafepoints.cpp: de-duplicate code.
Common duplicated code and remove unnecessary code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236674
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Sanjoy Das [Wed, 6 May 2015 23:53:19 +0000 (23:53 +0000)]
[Statepoints] Clean up PlaceSafepoints.cpp: variable naming.
Use CamelCase. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236673
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Sanjoy Das [Wed, 6 May 2015 23:53:09 +0000 (23:53 +0000)]
[IRBuilder] Add a CreateGCStatepointInvoke.
Renames the original CreateGCStatepoint to CreateGCStatepointCall, and
moves invoke creating functionality from PlaceSafepoints.cpp to
IRBuilder.cpp.
This changes the labels generated for PlaceSafepoints/invokes.ll so use
a regex there to make the basic block labels more resilient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236672
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96231b3b80d8