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Toma Tabacu [Tue, 30 Jun 2015 13:46:03 +0000 (13:46 +0000)]
[mips] [IAS] Add support for the .module softfloat/hardfloat directives.
These directives are used to set the default value of the SoftFloat feature.
They have the same effect as setting -m{soft, hard}-float from the command line.
Differential Revision: http://reviews.llvm.org/D9073
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241066
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Toma Tabacu [Tue, 30 Jun 2015 12:41:33 +0000 (12:41 +0000)]
[mips] [IAS] Make .module directives change AssemblerOptions->front().
Differential Revision: http://reviews.llvm.org/D10643
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241062
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Ranjeet Singh [Tue, 30 Jun 2015 12:32:53 +0000 (12:32 +0000)]
Reverting r241058 because it's causing buildbot failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241061
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Ranjeet Singh [Tue, 30 Jun 2015 11:30:42 +0000 (11:30 +0000)]
There are a few places where subtarget features are still
represented by uint64_t, this patch replaces these
usages with the FeatureBitset (std::bitset) type.
Differential Revision: http://reviews.llvm.org/D10542
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241058
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David Majnemer [Tue, 30 Jun 2015 10:05:43 +0000 (10:05 +0000)]
Correct a typo for a LoopVectorize test
I forgot to specify the correct pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241054
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Toma Tabacu [Tue, 30 Jun 2015 09:36:50 +0000 (09:36 +0000)]
[mips] [IAS] Add support for the .set oddspreg/nooddspreg directives.
Differential Revision: http://reviews.llvm.org/D10657
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241052
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Michael Kuperstein [Tue, 30 Jun 2015 08:49:35 +0000 (08:49 +0000)]
[X86] Add FXSR intrinsics
Add intrinsics for the FXSR instructions (FXSAVE/FXSAVE64/FXRSTOR/FXRSTOR64)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241049
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NAKAMURA Takumi [Tue, 30 Jun 2015 05:59:13 +0000 (05:59 +0000)]
ELF.h: Prune obsolete comments removed in r240996. [-Wdocumentation]
FIXME: Should they be moved onto Elf_Sym_Impl::getNmae()?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241044
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Rafael Espindola [Tue, 30 Jun 2015 04:08:37 +0000 (04:08 +0000)]
Don't return error_code from a function that doesn't fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241042
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Dan Gohman [Tue, 30 Jun 2015 03:52:25 +0000 (03:52 +0000)]
Drop the OS from the WebAssembly target triple for now.
This unbreaks TripleTest.Normalization. We'll have to come up with a new
plan for the OS component of the target triple for WebAssembly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241041
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Rafael Espindola [Tue, 30 Jun 2015 03:41:26 +0000 (03:41 +0000)]
Move function to the only file that uses it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241040
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Rafael Espindola [Tue, 30 Jun 2015 03:33:18 +0000 (03:33 +0000)]
Don't return error_code from a function that doesn't fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241039
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Adrian Prantl [Tue, 30 Jun 2015 02:13:04 +0000 (02:13 +0000)]
Debug info: Add dwarf backend support for DIModule.
rdar://problem/
20965932
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241034
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Rafael Espindola [Tue, 30 Jun 2015 01:53:01 +0000 (01:53 +0000)]
Don't return error_code from a function that doesn't fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241033
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Dan Gohman [Tue, 30 Jun 2015 00:56:48 +0000 (00:56 +0000)]
Fix LastArchType to point to the new last arch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241030
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Rafael Espindola [Tue, 30 Jun 2015 00:33:59 +0000 (00:33 +0000)]
Cleanup getRelocationAddend.
Realistically, this will be returning ErrorOr for some time as refactoring the
user code to check once per section will take some time.
Given that, use it for checking if a relocation has addend or not.
While at it, add ELFRelocationRef to simplify the users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241028
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Matthias Braun [Tue, 30 Jun 2015 00:33:44 +0000 (00:33 +0000)]
RegisterCoalescer: Cleanup empty subranges after shrinkToUses()
A call to removeEmptySubranges() is necessary after every operation that
potentially removes all segments from a subregister range; this case in
the register coalescer was missing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241027
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Adrian Prantl [Tue, 30 Jun 2015 00:25:41 +0000 (00:25 +0000)]
llvm-bcanalyzer: Add a field that was missed in r241016.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241026
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Rui Ueyama [Tue, 30 Jun 2015 00:03:56 +0000 (00:03 +0000)]
Object/COFF: Define coff_symbol_generic.
If you only need Name and Value fields in the COFF symbol,
you don't need to distinguish 32 bit and 64 bit COFF symbols.
These fields start at the same offsets and have the same size.
This data strucutre is one pointer smaller than COFFSymbolRef
thus slightly efficient. I'll use this class in LLD as we create
millions of LLD symbol objects that currently contain COFFSymbolRef.
Shaving off 8 byte (or 4 byte on 32 bit) from that class actually
matters becasue of the number of objects we create in LLD.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241024
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Rafael Espindola [Mon, 29 Jun 2015 23:55:05 +0000 (23:55 +0000)]
Use asserts for checks that should never fail.
If a section is not SHT_REL or SHT_RELA, we never create a valid iterator,
so the getRelocation* methods should always see a section with the correct type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241023
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Dan Gohman [Mon, 29 Jun 2015 23:51:55 +0000 (23:51 +0000)]
[WebAssembly] Initial WebAssembly backend
This WebAssembly backend is just a skeleton at this time and is not yet
functional.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241022
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Rafael Espindola [Mon, 29 Jun 2015 23:29:12 +0000 (23:29 +0000)]
Don't return error_code from function that never fails.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241021
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Peter Collingbourne [Mon, 29 Jun 2015 23:09:12 +0000 (23:09 +0000)]
lto: Clean up C libLTO interfaces pertaining to linker flags.
Specifically, remove the dependent library interface and replace the existing
linker option interface with a new one that returns a single list of flags.
Differential Revision: http://reviews.llvm.org/D10820
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241018
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Adrian Prantl [Mon, 29 Jun 2015 23:03:47 +0000 (23:03 +0000)]
Add a DIModule metadata node to the IR.
It is meant to be used to record modules @imported by the current
compile unit, so a debugger an import the same modules to replicate this
environment before dropping into the expression evaluator.
DIModule is a sibling to DINamespace and behaves quite similarly.
In addition to the name of the module it also records the module
configuration details that are necessary to uniquely identify the module.
This includes the configuration macros (e.g., -DNDEBUG), the include path
where the module.map file is to be found, and the isysroot.
The idea is that the backend will turn this into a DW_TAG_module.
http://reviews.llvm.org/D9614
rdar://problem/
20965932
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241017
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Duncan P. N. Exon Smith [Mon, 29 Jun 2015 22:50:35 +0000 (22:50 +0000)]
bcanalyzer: Rewrite all the METADATA_ codes
Add all the new `Metadata` codes since LLVM 3.6, and at the same time
follow the precedent set in other blocks by removing the `METADATA_`
prefix from the string output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241016
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Duncan P. N. Exon Smith [Mon, 29 Jun 2015 22:50:32 +0000 (22:50 +0000)]
bcanalyzer: Use a macro to decode bitcodes, NFC
I'm about to add a whack of missing names for metadata. Add a macro to
make this easier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241015
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Ben Langmuir [Mon, 29 Jun 2015 22:16:39 +0000 (22:16 +0000)]
Reapply "Use gethostuuid() on Mac to identify hosts for LockFileManager"
Reapplies r241005 after fixing the build on non-Mac platforms. Original
commit message below.
The hostname can be very unstable when there are many machines on the
network competing for the same name. Using the hardware UUID makes it
less likely to have collisions or to consider files written by the
current host to be owned by a different one at a later time.
rdar://problem/
21512307
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241012
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Peter Collingbourne [Mon, 29 Jun 2015 22:04:09 +0000 (22:04 +0000)]
Teach LTOModule to emit linker flags for dllexported symbols, plus interface cleanup.
This change unifies how LTOModule and the backend obtain linker flags
for globals: via a new TargetLoweringObjectFile member function named
emitLinkerFlagsForGlobal. A new function LTOModule::getLinkerOpts() returns
the list of linker flags as a single concatenated string.
This change affects the C libLTO API: the function lto_module_get_*deplibs now
exposes an empty list, and lto_module_get_*linkeropts exposes a single element
which combines the contents of all observed flags. libLTO should never have
tried to parse the linker flags; it is the linker's job to do so. Because
linkers will need to be able to parse flags in regular object files, it
makes little sense for libLTO to have a redundant mechanism for doing so.
The new API is compatible with the old one. It is valid for a user to specify
multiple linker flags in a single pragma directive like this:
#pragma comment(linker, "/defaultlib:foo /defaultlib:bar")
The previous implementation would not have exposed
either flag via lto_module_get_*deplibs (as the test in
TargetLoweringObjectFileCOFF::getDepLibFromLinkerOpt was case sensitive)
and would have exposed "/defaultlib:foo /defaultlib:bar" as a single flag via
lto_module_get_*linkeropts. This may have been a bug in the implementation,
but it does give us a chance to fix the interface.
Differential Revision: http://reviews.llvm.org/D10548
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241010
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Sanjoy Das [Mon, 29 Jun 2015 22:00:30 +0000 (22:00 +0000)]
[FaultMaps][Docs] Document the ImplicitNullChecks pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241009
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Ben Langmuir [Mon, 29 Jun 2015 21:56:03 +0000 (21:56 +0000)]
Revert "Use gethostuuid() on Mac to identify hosts for LockFileManager"
Broke non-Mac builds.
This reverts commit r241005.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241007
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Ben Langmuir [Mon, 29 Jun 2015 21:47:44 +0000 (21:47 +0000)]
Use gethostuuid() on Mac to identify hosts for LockFileManager
The hostname can be very unstable when there are many machines on the
network competing for the same name. Using the hardware UUID makes it
less likely to have collisions or to consider files written by the
current host to be owned by a different one at a later time.
rdar://problem/
21512307
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241005
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Tim Northover [Mon, 29 Jun 2015 21:42:16 +0000 (21:42 +0000)]
ARM: add correct kill flags when combining stm instructions
When the store sequence being combined actually stores the base register, we
should not mark it as killed until the end.
rdar://
21504262
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241003
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Matthias Braun [Mon, 29 Jun 2015 21:35:51 +0000 (21:35 +0000)]
X86: Rework inline asm integer register specification.
This is a new version of http://reviews.llvm.org/D10260.
It turned out that when you specify an integer register in inline asm on
x86 you get the register of the required type size back. That means that
X86TargetLowering::getRegForInlineAsmConstraint() has to accept any of
the integer registers and adapt its size to the given target size which
may be any 8/16/32/64 bit sized type. Surprisingly that means given a
constraint of "{ax}" and a type of MVT::F32 we need to return X86::EAX.
This change makes this face explicit, the previous code seemed like
working by accident because there it never returned an error once a
register was found. On the other hand this rewrite allows to actually
return errors for invalid situations like requesting an integer register
for an i128 type.
Related to rdar://
21042280
Differential Revision: http://reviews.llvm.org/D10813
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241002
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Alexey Samsonov [Mon, 29 Jun 2015 21:30:14 +0000 (21:30 +0000)]
[LoopSimplify] Set proper debug location in loop backedge blocks.
Set debug location for terminator instruction in loop backedge block
(which is an unconditional jump to loop header). We can't copy debug
location from original backedges, as there can be several of them,
with different debug info locations. So, we follow the approach of
SplitBlockPredecessors, and copy the debug info from first non-PHI
instruction in the header (i.e. destination block).
This is yet another change for PR23837.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240999
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Sanjoy Das [Mon, 29 Jun 2015 21:27:36 +0000 (21:27 +0000)]
[FaultMaps] Fix test case.
implicit-null-check-negative.ll had a missing 2>&1. Fix this, and
remove an incorrect test case that this exposes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240998
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Rafael Espindola [Mon, 29 Jun 2015 21:24:55 +0000 (21:24 +0000)]
Convert obj->getSymbolName to sym->getName.
I doesn't depend on the object anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240996
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Pawel Bylica [Mon, 29 Jun 2015 20:28:47 +0000 (20:28 +0000)]
[DAGCombiner] Fix & simplify constant folding of sext/zext.
Summary: This patch fixes the cases of sext/zext constant folding in DAG combiner where constans do not fit 64 bits. The fix simply removes un$
Test Plan: New regression test included.
Reviewers: RKSimon
Reviewed By: RKSimon
Subscribers: RKSimon, llvm-commits
Differential Revision: http://reviews.llvm.org/D10607
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240991
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Benjamin Kramer [Mon, 29 Jun 2015 20:21:55 +0000 (20:21 +0000)]
[MMI] Use TinyPtrVector instead of PointerUnion with vector.
Also simplify duplicated code a bit. No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240990
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Diego Novillo [Mon, 29 Jun 2015 20:03:46 +0000 (20:03 +0000)]
Tidy comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240987
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Dan Liew [Mon, 29 Jun 2015 18:45:56 +0000 (18:45 +0000)]
Fix bug #23967. The gtest and gtest_main targets were exported into the
CMake files and should not be by both build systems and also the targets
were also installed by the CMake build system which they should not be.
The problem was that
- the CMake build of LLVM installs and exports the gtest library
targets. We should not being doing this, these are not part of LLVM.
- the Autoconf/Makefile build of LLVM still had gtest libraries in the
installed LLVMConfig.cmake.
These problems would cause problems for an external project because when
calling llvm_map_components_to_libnames(XXX all) ${XXX} would to contain
LLVM's internal gtest libraries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240981
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Duncan P. N. Exon Smith [Mon, 29 Jun 2015 17:43:26 +0000 (17:43 +0000)]
Simplify .gitignore: projects/* => projects/*/
Avoid listing inclusions (like `!projects/LLVMBuild.txt`) for files
directly underneath `projects/` in `.gitignore`. Instead, change the
`projects/*` exclusion to the more specific `projects/*/`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240973
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Ben Langmuir [Mon, 29 Jun 2015 17:08:41 +0000 (17:08 +0000)]
Clean up unique lock files on signal and always release the lock
Make sure to remove the unique lock file, which is what the .lock
symlink points to, if there is a signal while the lock is held. This
will release the lock, since the symlink will point to nothing (already
tested in unit tests). For good measure, also clean up the unique lock
file if there is an error or signal before the lock is acquired.
I will add a clang test.
rdar://problem/
21512307
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240967
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Alex Lorenz [Mon, 29 Jun 2015 16:57:06 +0000 (16:57 +0000)]
MIR Serialization: Serialize the register mask machine operands.
This commit implements serialization of the register mask machine
operands. This commit serializes only the call preserved register
masks that are defined by a target, it doesn't serialize arbitrary
register masks.
This commit also extends the TargetRegisterInfo class and TableGen so that
the users of TRI can get the list of all the call preserved register masks and
their names.
Reviewers: Duncan P. N. Exon Smith
Differential Revision: http://reviews.llvm.org/D10673
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240966
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Benjamin Kramer [Mon, 29 Jun 2015 16:05:00 +0000 (16:05 +0000)]
[SymbolSize] Skip sorting by index, just assign by index.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240961
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Benjamin Kramer [Mon, 29 Jun 2015 15:18:48 +0000 (15:18 +0000)]
Upgrade JIT listeners for changes in the libObject API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240956
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Tobias Grosser [Mon, 29 Jun 2015 14:42:48 +0000 (14:42 +0000)]
Move delinearization from SCEVAddRecExpr to ScalarEvolution
The expressions we delinearize do not necessarily have to have a SCEVAddRecExpr
at the outermost level. At this moment, the additional flexibility is not
exploited in LLVM itself, but in Polly we will soon soonish use this
functionality. For LLVM, this change should not affect existing functionality
(which is covered by test/Analysis/Delinearization/)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240952
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Rafael Espindola [Mon, 29 Jun 2015 14:39:25 +0000 (14:39 +0000)]
Factor out the checking of string tables.
This moves the error checking for string tables to getStringTable which returns
an ErrorOr<StringRef>.
This improves error checking, makes it uniform across all string tables and
makes it possible to check them once instead of once per name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240950
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Rafael Espindola [Mon, 29 Jun 2015 14:12:14 +0000 (14:12 +0000)]
Add a testcase for an invalid file.
We were already checking this, but had no tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240945
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Rafael Espindola [Mon, 29 Jun 2015 14:02:24 +0000 (14:02 +0000)]
Convert an assert that can fail into error checking.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240944
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Rafael Espindola [Mon, 29 Jun 2015 12:38:31 +0000 (12:38 +0000)]
Remove Elf_Sym_Iter.
It was a fairly broken concept for an ELF only class.
An ELF file can have two symbol tables, but they have exactly the same
format. There is no concept of a dynamic or a static symbol. Storing this
on the iterator also makes us do more work per symbol than necessary. To fetch
a name we would:
* Find if we had a static or a dynamic symbol.
* Look at the corresponding symbol table and find the string table section.
* Look at the string table section to fetch its contents.
* Compute the name as a substring of the string table.
All but the last step can be done per symbol table instead of per symbol. This
is a step in that direction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240939
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Elena Demikhovsky [Mon, 29 Jun 2015 12:14:24 +0000 (12:14 +0000)]
AVX-512: all forms of SCATTER instruction on SKX,
encoding, intrinsics and tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240936
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Javed Absar [Mon, 29 Jun 2015 09:53:33 +0000 (09:53 +0000)]
[ARM]: Extend -mfpu options for half-precision and vfpv3xd
removing default label in switch as it results.
This is part of earlier commit http://reviews.llvm.org/D1064
Subscribers: llvm-commits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240932
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Javed Absar [Mon, 29 Jun 2015 09:32:29 +0000 (09:32 +0000)]
[ARM]: Extend -mfpu options for half-precision and vfpv3xd
Some of the the permissible ARM -mfpu options, which are supported in GCC,
are currently not present in llvm/clang.This patch adds the options:
'neon-fp16', 'vfpv3-fp16', 'vfpv3-d16-fp16', 'vfpv3xd' and 'vfpv3xd-fp16.
These are related to half-precision floating-point and single precision.
Reviewers: rengolin, ranjeet.singh
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10645
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240930
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Igor Breger [Mon, 29 Jun 2015 09:10:00 +0000 (09:10 +0000)]
AVX-512: Implemented missing encoding and intrinsics for FMA instructions
Added tests for DAG lowering ,encoding and intrinsics
Differential Revision: http://reviews.llvm.org/D10796
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240926
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NAKAMURA Takumi [Mon, 29 Jun 2015 04:50:09 +0000 (04:50 +0000)]
Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240924
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Matt Arsenault [Sun, 28 Jun 2015 18:16:14 +0000 (18:16 +0000)]
AMDGPU/SI: Fix extra space when printing v_div_fmas_*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240911
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Jingyue Wu [Sun, 28 Jun 2015 17:45:05 +0000 (17:45 +0000)]
[SLSR] S's basis must have the same type as S
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240910
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Asaf Badouh [Sun, 28 Jun 2015 14:30:39 +0000 (14:30 +0000)]
[x86][AVX512]
Add vscalef support
include encoding and intrinsics
review:
http://reviews.llvm.org/D10730
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240906
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Elena Demikhovsky [Sun, 28 Jun 2015 10:53:29 +0000 (10:53 +0000)]
AVX-512: Added all SKX forms of GATHER instructions.
Added intrinsics.
Added encoding and tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240905
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Adrian Prantl [Sat, 27 Jun 2015 21:55:00 +0000 (21:55 +0000)]
Revert "Debug Info: One more bitfield bugfix. While yesterday's r240853 fixed"
This reverts commit 240890. Breaking the gdb buildbot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240893
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Benjamin Kramer [Sat, 27 Jun 2015 21:11:43 +0000 (21:11 +0000)]
Don't use %llc_dwarf for target-specific tests.
Should fix running them on windows.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240892
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Benjamin Kramer [Sat, 27 Jun 2015 20:33:26 +0000 (20:33 +0000)]
[SDAG] Now that we have a way to communicate the exact bit on sdiv use it to simplify sdiv by a constant.
We had a hack in SDAGBuilder in place to work around this but now we
can avoid that. Call BuildExactSDIV from BuildSDIV so DAGCombiner can
perform this trick automatically.
The added check in DAGCombiner is necessary to prevent exact sdiv by pow2
from regressing as the target-specific pow2 lowering is not aware of
exact bits yet.
This is mostly covered by existing tests. One side effect is that we
get the better lowering for exact vector sdivs now too :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240891
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Adrian Prantl [Sat, 27 Jun 2015 20:12:43 +0000 (20:12 +0000)]
Debug Info: One more bitfield bugfix. While yesterday's r240853 fixed
the DW_AT_bit_offset computation, the byte offset is in fact also
endian-dependent as it needs to point to the storage unit containing the
most-significant bit of the the bitfield.
I'm so looking forward to emitting the endian-agnostic DWARF 3 version
instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240890
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Daniel Sanders [Sat, 27 Jun 2015 17:56:44 +0000 (17:56 +0000)]
[mips] Fold duplicate big-endian disassembler tests together.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240887
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Daniel Sanders [Sat, 27 Jun 2015 16:13:59 +0000 (16:13 +0000)]
[mips] Sort big-endian disassembler tests by opcode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240885
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Daniel Sanders [Sat, 27 Jun 2015 15:42:25 +0000 (15:42 +0000)]
[mips] Make little-endian disassembler test filenames consistent.
Most are named *-el.txt. Renamed the three that were *-le.txt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240884
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Daniel Sanders [Sat, 27 Jun 2015 15:39:19 +0000 (15:39 +0000)]
[mips] Add COP0 register class and use it in M[FT]C0/DM[FT]C0.
Summary:
Previously it (incorrectly) used GPR's.
Patch by Simon Dardis. A couple small corrections by myself.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10567
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240883
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Peter Zotov [Sat, 27 Jun 2015 14:32:30 +0000 (14:32 +0000)]
[OCaml] Bump ctypes dependency to 0.4.
ctypes 0.3 and earlier contains an interface-definig bug:
its ptr_of_raw_address accepts Int64 and not Nativeint. ctypes 0.4
was not released during the 3.6 cycle, and because of that, LLVM 3.6
was released with ctypes 0.3 as a dependency, which now breaks
the build on modern ctypes.
Unbreak.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240882
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David Majnemer [Sat, 27 Jun 2015 08:38:17 +0000 (08:38 +0000)]
[LoopVectorize] Pointer indicies may be wider than the pointer
If we are dealing with a pointer induction variable, isInductionPHI
gives back a step value of Stride / size of pointer. However, we might
be indexing with a legal type wider than the pointer width.
Handle this by inserting casts where appropriate instead of crashing.
This fixes PR23954.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240877
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David Majnemer [Sat, 27 Jun 2015 07:52:53 +0000 (07:52 +0000)]
[PruneEH] A naked, noinline function can return via InlineAsm
The PruneEH pass tries to annotate functions as 'noreturn' if it doesn't
see a ReturnInst. However, a naked function containing inline assembly
can contain control flow leaving the function.
This fixes PR23971.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240876
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Lang Hames [Sat, 27 Jun 2015 03:49:25 +0000 (03:49 +0000)]
[Stackmap] Pre-assemble the stackmap parser test case. (Fix builders).
This case had been failing on testers that didn't have x86 support. Rather
than XFAIL it on testers without x86 support, I've just assembled it and used
the raw object as the test input.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240875
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NAKAMURA Takumi [Sat, 27 Jun 2015 03:46:58 +0000 (03:46 +0000)]
llvm/test/CodeGen/X86/xor.ll: Appease Win32 targets since r240796.
%struct.ref_s = type { %union.v, i16, i16 }
%union.v = type { i64 }
It seems %struct.ref_s is incompatible in tail padding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240874
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Petr Hosek [Sat, 27 Jun 2015 01:54:17 +0000 (01:54 +0000)]
[MC] Ensure that pending labels are flushed when -mc-relax-all flag is used
Summary:
The current implementation doesn't always flush all pending labels
beforeemitting data which can result in an incorrectly placed labels in
case when when instruction bundling is enabled and -mc-relax-all flag is
being used. To address this issue, we always flush pending labels before
emitting data.
The change was tested by running PNaCl toolchain trybots with
-mc-relax-all flag set.
Fixes https://code.google.com/p/nativeclient/issues/detail?id=4063
Test Plan: Regression test attached
Reviewers: mseaborn
Subscribers: jfb, llvm-commits
Differential Revision: http://reviews.llvm.org/D10325
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240870
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Petr Hosek [Sat, 27 Jun 2015 01:49:53 +0000 (01:49 +0000)]
[MC] Align fragments when -mc-relax-all flag is used
Summary:
Ensure that fragments are bundle aligned when instruction bundling
is enabled and the -mc-relax-all flag is set. This is implicitly
assumed by the bundle padding implementation but this assumption
does not hold when custom alignment is being used.
The change was tested by running PNaCl toolchain trybots with
-mc-relax-all flag set.
Fixes https://code.google.com/p/nativeclient/issues/detail?id=4063
Test Plan: Regression test attached
Reviewers: mseaborn
Subscribers: jfb, llvm-commits
Differential Revision: http://reviews.llvm.org/D10044
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240869
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Duncan P. N. Exon Smith [Sat, 27 Jun 2015 01:19:17 +0000 (01:19 +0000)]
AsmPrinter: Document why DIEValueList uses a linked-list, NFC
There are two main reasons why a linked-list makes sense for
`DIEValueList`.
1. We want `DIE` to be on a `BumpPtrAllocator` to improve teardown
efficiency. Making `DIEValueList` array-based would make that much
more complicated.
2. The singly-linked list is fairly memory efficient. The histogram
[1] shows that most DIEs have relatively few values, so we often pay
less than the 2/3-pointer static overhead of a vector. Furthermore,
we don't know ahead of time exactly how many values a `DIE` needs,
so a vector-like scheme will on average over-allocate by ~50%. As
it happens, that's the same memory overhead as the linked list node.
[1]: http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-May/085910.html
The comment I added to the code is a little more succinct, but I think
it's enough to give the idea.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240868
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Duncan P. N. Exon Smith [Sat, 27 Jun 2015 00:38:26 +0000 (00:38 +0000)]
IR: Expose ModuleSlotTracker in Value::print()
Allow callers of `Value::print()` and `Metadata::print()` to pass in a
`ModuleSlotTracker`. This allows them to pay only once for calculating
module-level slots (such as Metadata).
This is related to PR23865, where there was a huge cost for
`MachineFunction::print()`. Although I don't have a *particular* user
in mind for this new code, I have hit big slowdowns before when running
`opt -debug`, and I think this will be useful. Going forward, if
someone hits a big slowdown with `print()` statements, they can create a
`ModuleSlotTracker` and send it through. Similarly, adding support to
`Value::dump()` and `Metadata::dump()` should be trivial.
I added unit tests to be sure the `print()` functions actually behave
the same way with and without the slot tracker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240867
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Peter Collingbourne [Sat, 27 Jun 2015 00:17:51 +0000 (00:17 +0000)]
LowerBitSets: Ignore bitset entries that do not directly refer to a global.
It is possible for a global to be substituted with another global of a
different type or a different kind (i.e. an alias) at IR link time. One
example of this scenario is when a Microsoft ABI vtable is substituted with
an alias referring to a larger vtable containing an RTTI reference.
This will cause the global to be RAUW'd with a possibly bitcasted reference
to the other global. This will of course also affect any references to the
global in bitset metadata.
The right way to handle such metadata is simply to ignore it. This is sound
because the linked module should contain another copy of the bitset entries as
applied to the new global.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240866
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Duncan P. N. Exon Smith [Sat, 27 Jun 2015 00:15:32 +0000 (00:15 +0000)]
Plug a leak introduced by r240848
Apparently this obvious leak was never exercised before, but r240848
exposed it. Plug it.
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/5075
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240865
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Adrian Prantl [Sat, 27 Jun 2015 00:01:33 +0000 (00:01 +0000)]
Add original source code to test case as suggested in review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240863
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Lang Hames [Fri, 26 Jun 2015 23:56:53 +0000 (23:56 +0000)]
[StackMaps] Add a lightweight parser for stackmap version 1 sections.
The parser provides a convenient interface for reading llvm stackmap v1 sections
in object files.
This patch also includes a new option for llvm-readobj, '-stackmap', which uses
the parser to pretty-print stackmap sections for debugging/testing purposes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240860
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Adrian Prantl [Fri, 26 Jun 2015 23:31:27 +0000 (23:31 +0000)]
Debug Info: Fix a bug in the DW_AT_bit_offset calculation that would
result in negative offsets and attempt a better job at documenting
the algorithm.
rdar://
21082998
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240853
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Duncan P. N. Exon Smith [Fri, 26 Jun 2015 23:18:44 +0000 (23:18 +0000)]
CodeGen: Create a proper ModuleSlotTracker for MachineInstr
Another follow-up related to r240848: try a little harder to share slot
tracking calculations within a single `MachineInstr` dump. This is
unrelated to `MachineFunction::print()`, since that should be passing
through the function's `ModuleSlotTracker` by now, but could affect the
speed of dumping from a debugger if there is more than one IR-level
operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240852
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Alex Lorenz [Fri, 26 Jun 2015 22:56:48 +0000 (22:56 +0000)]
MIR Serialization: Serialize global address machine operands.
This commit serializes the global address machine operands.
This commit doesn't serialize the operand's offset and target
flags, it serializes only the global value reference.
Reviewers: Duncan P. N. Exon Smith
Differential Revision: http://reviews.llvm.org/D10671
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240851
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Philip Reames [Fri, 26 Jun 2015 22:47:37 +0000 (22:47 +0000)]
[RewriteStatepointsForGC] Generalized vector phi/select handling for base pointers
This change extends the detection of base pointers for vector constructs to handle arbitrary phi and select nodes. The existing non-vector code already handles those, so this is basically just extending the vector special case to be less special cased. It still isn't generalized vector handling since we can't handle arbitrary vector instructions (e.g. shufflevectors), but it's a lot closer.
The general structure of the change is as follows:
* Extend the base defining value relation over a subset of vector instructions and vector typed phi & select instructions.
* Move scalarization from before base pointer rewriting to after base pointer rewriting. The extension of the BDV relation is sufficient to find vector base phis for vector inputs.
* Preserve the existing special case logic for when the base of a vector element is locally obvious. This general idea could be extended to the scalar case as well.
Differential Revision: http://reviews.llvm.org/D10461#inline-84275
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240850
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Jingyue Wu [Fri, 26 Jun 2015 22:35:43 +0000 (22:35 +0000)]
[NVPTX] noop when kernel pointers are already global
Summary:
Some front ends make kernel pointers global already. In that case,
handlePointerParams does nothing.
Test Plan: more tests in lower-kernel-ptr-arg.ll
Reviewers: grosser
Subscribers: jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D10779
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240849
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Duncan P. N. Exon Smith [Fri, 26 Jun 2015 22:28:47 +0000 (22:28 +0000)]
CodeGen: Push the ModuleSlotTracker through Metadata
For another 1% speedup on the testcase in PR23865, push the
`ModuleSlotTracker` through to metadata-related printing in
`MachineBasicBlock::print()`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240848
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Philip Reames [Fri, 26 Jun 2015 22:21:52 +0000 (22:21 +0000)]
Minor style cleanup after 240843 [NFC]
Use a for-each loop in one case and rename the function to reflect it's new usage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240847
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Duncan P. N. Exon Smith [Fri, 26 Jun 2015 22:06:47 +0000 (22:06 +0000)]
CodeGen: Push the ModuleSlotTracker through MachineOperands
Push `ModuleSlotTracker` through `MachineOperand`s, dropping the time
for `llc -print-machineinstrs` on the testcase in PR23865 from ~13
seconds to ~9 seconds. Now `SlotTracker::processFunctionMetadata()`
accounts for only 8% of the runtime, which seems reasonable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240845
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Philip Reames [Fri, 26 Jun 2015 22:04:34 +0000 (22:04 +0000)]
[Verifier] Follow on to 240836
Address one missed review comment and do the rename I left out of that patch to make it reviewable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240843
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Duncan P. N. Exon Smith [Fri, 26 Jun 2015 22:04:20 +0000 (22:04 +0000)]
CodeGen: Use a single SlotTracker in MachineFunction::print()
Expose enough of the IR-level `SlotTracker` so that
`MachineFunction::print()` can use a single one for printing
`BasicBlock`s. Next step would be to lift this through a few more APIs
so that we can make other print methods faster.
Fixes PR23865, changing the runtime of `llc -print-machineinstrs` from
many minutes (killed after 3 minutes, but it wasn't very close) to
13 seconds for a 502185 line dump.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240842
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Tom Stellard [Fri, 26 Jun 2015 21:58:42 +0000 (21:58 +0000)]
AMDPGU/SI: Use correct resource descriptors for VI on HSA
Summary: We need to set MTYPE = 2 for VI shaders when targeting the HSA runtime.
Reviewers: arsenm
Differential Revision: http://reviews.llvm.org/D10777
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240841
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Tom Stellard [Fri, 26 Jun 2015 21:58:31 +0000 (21:58 +0000)]
AMDGPU/SI: Update amd_kernel_code_t definition and add assembler support
Reviewers: arsenm
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10772
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240839
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Tom Stellard [Fri, 26 Jun 2015 21:58:26 +0000 (21:58 +0000)]
AMDGPU/SI: Remove unused variable
This should fix some bots that were broken by r240831.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240838
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Philip Reames [Fri, 26 Jun 2015 21:39:44 +0000 (21:39 +0000)]
[Verifier] Verify invokes of intrinsics
We support invoking a subset of llvm's intrinsics, but the verifier didn't account for this. We had previously added a special case to verify invokes of statepoints. By generalizing the code in terms of CallSite, we can verify invokes of other intrinsics as well. Interestingly, this found one test case which was invalid.
Note: I'm deliberately leaving the naming change from CI to CS to a follow up change. That will happen shortly, I just wanted to reduce the diff to make it clear what was happening with this one.
Differential Revision: http://reviews.llvm.org/D10118
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240836
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Adrian Prantl [Fri, 26 Jun 2015 21:27:30 +0000 (21:27 +0000)]
Debug Info: Clarify the documentation for bitfields emission.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240835
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Adrian Prantl [Fri, 26 Jun 2015 21:27:16 +0000 (21:27 +0000)]
Debug info: Add more test coverage for bitfields.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240834
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Tom Stellard [Fri, 26 Jun 2015 21:15:11 +0000 (21:15 +0000)]
AMDGPU/SI: Set ELF OS/ABI to ELFOSABI_AMDGPU_HSA
Reviewers: arsenm, rafael
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10708
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240832
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Tom Stellard [Fri, 26 Jun 2015 21:15:07 +0000 (21:15 +0000)]
AMDGPU/SI: Add hsa code object directives
Reviewers: arsenm
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10757
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240831
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Tom Stellard [Fri, 26 Jun 2015 21:15:03 +0000 (21:15 +0000)]
AMDGPU/SI: There are no implicit kernel args in the amdhsa ABI
Reviewers: arsenm
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10706
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240830
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Tom Stellard [Fri, 26 Jun 2015 21:14:58 +0000 (21:14 +0000)]
AMDGPU/SI: Emit amd_kernel_code_t in EmitFunctionBodyStart()
Summary:
This way the function symbol points to the start of amd_kernel_code_t
rather than the start of the function.
Reviewers: arsenm
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10705
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240829
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