oota-llvm.git
8 years agoDisplay the name of the project failing the url check in the release script
Arnaud A. de Grandmaison [Mon, 14 Apr 2014 12:36:48 +0000 (12:36 +0000)]
Display the name of the project failing the url check in the release script

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206164 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[XCore] Don't create invalid MKMSK instructions inside loadImmediate().
Richard Osborne [Mon, 14 Apr 2014 12:30:35 +0000 (12:30 +0000)]
[XCore] Don't create invalid MKMSK instructions inside loadImmediate().

Summary:
Previously loadImmediate() would produce MKMSK instructions with invalid
immediate values such as mkmsk r0, 9. Fix this by checking the mask size
is valid.

Reviewers: robertlytton

Reviewed By: robertlytton

CC: llvm-commits
Differential Revision: http://reviews.llvm.org/D3289

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206163 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoWhitespace.
NAKAMURA Takumi [Mon, 14 Apr 2014 07:03:13 +0000 (07:03 +0000)]
Whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206154 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRevert r206045, "Fix shift by constants for vector."
NAKAMURA Takumi [Mon, 14 Apr 2014 07:02:57 +0000 (07:02 +0000)]
Revert r206045, "Fix shift by constants for vector."

It broke some builders, at least, i686.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206153 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[Allocator] Hoist the external helper function into a namespace scope
Chandler Carruth [Mon, 14 Apr 2014 06:42:56 +0000 (06:42 +0000)]
[Allocator] Hoist the external helper function into a namespace scope
declaration. GCC 4.7 appears to get hopelessly confused by declaring
this function within a member function of a class template. Go figure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206152 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[cleanup] Normalize YAMLParser.h's doxygen markers with '\foo' instead
Chandler Carruth [Mon, 14 Apr 2014 06:22:03 +0000 (06:22 +0000)]
[cleanup] Normalize YAMLParser.h's doxygen markers with '\foo' instead
of '@foo'. The slash variant is prefered in LLVM and the file was
already using a mixture. =/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206151 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoDon't assert in BasicTTI::getMemoryOpCost for non-simple types
Hal Finkel [Mon, 14 Apr 2014 05:59:09 +0000 (05:59 +0000)]
Don't assert in BasicTTI::getMemoryOpCost for non-simple types

BasicTTI::getMemoryOpCost must explicitly check for non-simple types; setting
AllowUnknown=true with TLI->getSimpleValueType is not sufficient because, for
example, non-power-of-two vector types return non-simple EVTs (not MVT::Other).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206150 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[Allocator] Make the underlying allocator a template instead of an
Chandler Carruth [Mon, 14 Apr 2014 05:11:27 +0000 (05:11 +0000)]
[Allocator] Make the underlying allocator a template instead of an
abstract interface. The only user of this functionality is the JIT
memory manager and it is quite happy to have a custom type here. This
removes a virtual function call and a lot of unnecessary abstraction
from the common case where this is just a *very* thin vaneer around
a call to malloc.

Hopefully still no functionality changed here. =]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206149 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoFix the compile from r206147 in release builds by moving a variable
Chandler Carruth [Mon, 14 Apr 2014 04:46:30 +0000 (04:46 +0000)]
Fix the compile from r206147 in release builds by moving a variable
declaration outside of #ifndef NDEBUG -- its used elsewhere. Sorry for
the noise.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206148 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[Allocator] Switch the BumpPtrAllocator to use a vector of pointers to
Chandler Carruth [Mon, 14 Apr 2014 03:55:11 +0000 (03:55 +0000)]
[Allocator] Switch the BumpPtrAllocator to use a vector of pointers to
slabs rather than embedding a singly linked list in the slabs
themselves. This has a few advantages:

- Better utilization of the slab's memory by not wasting 16-bytes at the
  front.
- Simpler allocation strategy by not having a struct packed at the
  front.
- Avoids paging every allocated slab in just to traverse them for
  deallocating or dumping stats.

The latter is the really nice part. Folks have complained from time to
time bitterly that tearing down a BumpPtrAllocator, even if it doesn't
run any destructors, pages in all of the memory allocated. Now it won't.
=]

Also resolves a FIXME with the scaling of the slab sizes. The scaling
now disregards specially sized slabs for allocations larger than the
threshold.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206147 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agotools: simplify symbol handling in objdump
Saleem Abdulrasool [Mon, 14 Apr 2014 02:37:28 +0000 (02:37 +0000)]
tools: simplify symbol handling in objdump

Rather than switching behaviour on whether a previous symbol has an auxiliary
symbol record for the next count of elements, simply iterate over the auxiliary
symbols right after processing the current symbol entry.  This makes the
behaviour much simpler to follow and similar to llvm-readobj and yaml2obj.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206146 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agotools: address possible non-null terminated filenames
Saleem Abdulrasool [Mon, 14 Apr 2014 02:37:23 +0000 (02:37 +0000)]
tools: address possible non-null terminated filenames

If a filename is a multiple of 18 characters, there will be no null-terminator.
This will result in an invalid access by the constructed StringRef.  Add a test
case to exercise this and fix that handling.  Address this same vulnerability in
llvm-readobj as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206145 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoUse APInt arithmetic, fixed typo. Thanks to Benjamin Kramer for noticing that.
Serge Pavlov [Mon, 14 Apr 2014 02:20:19 +0000 (02:20 +0000)]
Use APInt arithmetic, fixed typo. Thanks to Benjamin Kramer for noticing that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206144 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoAdd back some typecasts I accidentally lost in r206142.
Craig Topper [Mon, 14 Apr 2014 01:11:34 +0000 (01:11 +0000)]
Add back some typecasts I accidentally lost in r206142.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206143 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[C++11] More 'nullptr' conversion. In some cases just using a boolean check instead...
Craig Topper [Mon, 14 Apr 2014 00:51:57 +0000 (00:51 +0000)]
[C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206142 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[PowerPC] [Constant Hoisting] Enable constant hoisting on PPC
Hal Finkel [Sun, 13 Apr 2014 23:02:40 +0000 (23:02 +0000)]
[PowerPC] [Constant Hoisting] Enable constant hoisting on PPC

Implements the various TTI functions to enable constant hoisting on PPC. The
only significant test-suite change is this:

MultiSource/Benchmarks/VersaBench/bmm/bmm - 20% speedup
(which essentially reverses the slowdown from r206120).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206141 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agotools: remove duplication of coff_aux_file
Saleem Abdulrasool [Sun, 13 Apr 2014 22:54:15 +0000 (22:54 +0000)]
tools: remove duplication of coff_aux_file

Now that COFF::coff_aux_file is defined, use that rather than redefining the
type locally.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206140 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agotools: avoid a string duplication
Saleem Abdulrasool [Sun, 13 Apr 2014 22:54:11 +0000 (22:54 +0000)]
tools: avoid a string duplication

The auxiliary file records are contiguous and only contain the filename.
Construct a StringRef directly rather than copying to a temporary buffer.

Suggested by majnemer on IRC!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206139 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoMC: check machine magic when applying offset adjustments
Saleem Abdulrasool [Sun, 13 Apr 2014 20:47:55 +0000 (20:47 +0000)]
MC: check machine magic when applying offset adjustments

The values for the relocation type can (and do) overlap across various
architectures.  When performing an adjustment of the emitted relocation in the
final object file, check that the file magic matches the target for which the
relocation type is valid (e.g. a I386 relocation is only applied to an X86
object file, and an AMD64 relocation is only applied to an X86_64 object file).
This was noticed while adding support for ARM WinCOFF object file emission.

A test case for this is not really possible as the values for REL32 do not
overlap on I386 and AMD64, which is why this was never noticed in practice.  The
ARM WinCOFF emission is not yet ready to merge into the tree.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206138 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRecognize test for overflow in integer multiplication.
Serge Pavlov [Sun, 13 Apr 2014 18:23:41 +0000 (18:23 +0000)]
Recognize test for overflow in integer multiplication.

If multiplication involves zero-extended arguments and the result is
compared as in the patterns:

    %mul32 = trunc i64 %mul64 to i32
    %zext = zext i32 %mul32 to i64
    %overflow = icmp ne i64 %mul64, %zext
or
    %overflow = icmp ugt i64 %mul64 , 0xffffffff

then the multiplication may be replaced by call to umul.with.overflow.
This change fixes PR4917 and PR4918.

Differential Revision: http://llvm-reviews.chandlerc.com/D2814

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206137 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[PowerPC] Fix rlwimi isel when mask is not constant
Hal Finkel [Sun, 13 Apr 2014 17:10:58 +0000 (17:10 +0000)]
[PowerPC] Fix rlwimi isel when mask is not constant

We had been using the known-zero values of the operand of the or to construct
the mask for an rlwimi; this is not quite correct, but fine when the mask is
constant. When the mask is constant, then the known zeros of the operand must
be a superset of the zeros in the mask. However, when the mask is not a
constant, then there might be bits in the operand that are not known to be zero
that, at runtime, might be zero in the mask. Therefore, we check that any bits
not known to be zero *are* known to be one in the mask. Otherwise, we can't
fold the mask with the or and shift.

This was revealed as a miscompile of
MultiSource/Benchmarks/BitBench/drop3/drop3 when I started experimenting with
constant hoisting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206136 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoFix instruction debug info location during legalization
David Blaikie [Sun, 13 Apr 2014 06:39:55 +0000 (06:39 +0000)]
Fix instruction debug info location during legalization

I found this from a particular GDB test suite case of inlining
(something similar is provided as a test case) but came across a few
other related cases (other callers of the same functions, and one other
instance of the same coding mistake in a separate function).

I'm not sure what the best way to test this is (let alone to cover the
other cases I discovered), so hopefully this sufficies - open to ideas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206130 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[C++11] More 'nullptr' conversion or in some cases just using a boolean check instead...
Craig Topper [Sun, 13 Apr 2014 04:57:38 +0000 (04:57 +0000)]
[C++11] More 'nullptr' conversion or in some cases just using a boolean check instead of comparing to nullptr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206129 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[X86] unique_ptr'ify one of X86GenericDisassembler's members.
Lang Hames [Sun, 13 Apr 2014 04:09:16 +0000 (04:09 +0000)]
[X86] unique_ptr'ify one of X86GenericDisassembler's members.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206127 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agotools: teach objdump about FILE aux records
Saleem Abdulrasool [Sun, 13 Apr 2014 03:11:08 +0000 (03:11 +0000)]
tools: teach objdump about FILE aux records

Add support for file auxiliary symbol entries in COFF symbol tables.  A COFF
symbol table with a FILE entry is followed by sizeof(__FILE__) / 18 auxiliary
symbol records which contain the filename.  Read them and form the original
filename that the record contains.  Then display the name in the output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206126 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[PowerPC] Implement some additional TLI callbacks
Hal Finkel [Sat, 12 Apr 2014 21:52:38 +0000 (21:52 +0000)]
[PowerPC] Implement some additional TLI callbacks

Add implementations of:
  bool isLegalICmpImmediate(int64_t Imm) const
  bool isLegalAddImmediate(int64_t Imm) const
  bool isTruncateFree(Type *Ty1, Type *Ty2) const
  bool isTruncateFree(EVT VT1, EVT VT2) const
  bool shouldConvertConstantLoadToIntImm(const APInt &Imm, Type *Ty) const

Unfortunately, this regresses counter-register-based loop formation because
some of the loops now end up in forms were SE cannot compute loop counts.
However, nevertheless, the test-suite results favor committing:

SingleSource/Benchmarks/BenchmarkGame/puzzle: 26% speedup
MultiSource/Benchmarks/FreeBench/analyzer/analyzer: 21% speedup
MultiSource/Benchmarks/MiBench/automotive-susan/automotive-susan: 20% speedup
SingleSource/Benchmarks/Polybench/linear-algebra/kernels/trisolv/trisolv: 19% speedup
SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gesummv/gesummv: 15% speedup
MultiSource/Benchmarks/FreeBench/pcompress2/pcompress2: 2% speedup

MultiSource/Benchmarks/VersaBench/bmm/bmm: 26% slowdown

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206120 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoFix test syntax to work with non-bash /bin/sh.
Joerg Sonnenberger [Sat, 12 Apr 2014 21:13:41 +0000 (21:13 +0000)]
Fix test syntax to work with non-bash /bin/sh.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206119 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoSpell the specialization namespace correctly.
Benjamin Kramer [Sat, 12 Apr 2014 18:45:24 +0000 (18:45 +0000)]
Spell the specialization namespace correctly.

Not sure why clang didn't diagnose this (GCC does).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206117 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoMake helper static and place random global into the llvm namespace.
Benjamin Kramer [Sat, 12 Apr 2014 18:39:57 +0000 (18:39 +0000)]
Make helper static and place random global into the llvm namespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206116 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agotools: remove unnecessary copy of array_lengthof
Saleem Abdulrasool [Sat, 12 Apr 2014 18:04:27 +0000 (18:04 +0000)]
tools: remove unnecessary copy of array_lengthof

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206115 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRetire llvm::array_endof in favor of non-member std::end.
Benjamin Kramer [Sat, 12 Apr 2014 16:15:53 +0000 (16:15 +0000)]
Retire llvm::array_endof in favor of non-member std::end.

While there make array_lengthof constexpr if we have support for it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206112 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoMove MDBuilder's methods out of line.
Benjamin Kramer [Sat, 12 Apr 2014 14:26:59 +0000 (14:26 +0000)]
Move MDBuilder's methods out of line.

Making them inline was a historical accident, they're neither hot nor
templated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206109 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoPR13337: Omit DW_TAG_restrict_type when compiling for DWARF2
David Blaikie [Sat, 12 Apr 2014 05:35:59 +0000 (05:35 +0000)]
PR13337: Omit DW_TAG_restrict_type when compiling for DWARF2

DWARF3 introduced DW_TAG_restrict_type, so avoid using it in prior
versions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206105 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoAdd extra checks to mvn.ll test to prevent the "f1" check from matching
Richard Trieu [Sat, 12 Apr 2014 04:47:04 +0000 (04:47 +0000)]
Add extra checks to mvn.ll test to prevent the "f1" check from matching
on a directory name instead of the function name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206104 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRevert "Debug info: (bugfix) C++ C/Dtors can be compiled to multiple functions,"
Adrian Prantl [Sat, 12 Apr 2014 04:25:02 +0000 (04:25 +0000)]
Revert "Debug info: (bugfix) C++ C/Dtors can be compiled to multiple functions,"

This reverts commit 206096 while I investigate why this broke the gdb
buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206103 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[ARM64] Never hoist the shift value of a shift instruction.
Juergen Ributzka [Sat, 12 Apr 2014 02:53:51 +0000 (02:53 +0000)]
[ARM64] Never hoist the shift value of a shift instruction.

There is no need to check if we want to hoist the immediate value of an
shift instruction. Simply return TCC_Free right away.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206101 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[ARM64] Fix the cost model for cheap large constants.
Juergen Ributzka [Sat, 12 Apr 2014 02:36:28 +0000 (02:36 +0000)]
[ARM64] Fix the cost model for cheap large constants.

Originally the cost model would give up for large constants and just return the
maximum cost. This is not what we want for constant hoisting, because some of
these constants are large in bitwidth, but are still cheap to materialize.

This commit fixes the cost model to either return TCC_Free if the cost cannot be
determined, or accurately calculate the cost even for large constants
(bitwidth > 128).

This fixes <rdar://problem/16591573>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206100 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoUse dwarf::Tag rather than unsigned for DIE::Tag to make debugging easier.
David Blaikie [Sat, 12 Apr 2014 02:24:04 +0000 (02:24 +0000)]
Use dwarf::Tag rather than unsigned for DIE::Tag to make debugging easier.

Nice to be able to just print out the Tag and have the debugger print
dwarf::DW_TAG_subprogram or whatever, rather than an int.

It's a bit finicky (for example DIDescriptor::getTag still returns
unsigned) because some places still handle real dwarf tags + our fake
tags (one day we'll remove the fake tags, hopefully).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206098 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRemove documentation for a deleted pass.
Eric Christopher [Sat, 12 Apr 2014 02:09:17 +0000 (02:09 +0000)]
Remove documentation for a deleted pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206097 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoDebug info: (bugfix) C++ C/Dtors can be compiled to multiple functions,
Adrian Prantl [Sat, 12 Apr 2014 01:44:42 +0000 (01:44 +0000)]
Debug info: (bugfix) C++ C/Dtors can be compiled to multiple functions,
therefore, their declaration cannot have one DW_AT_linkage_name.
The specific instances however can and should have that attribute.

This patch reorders the code in DwarfUnit::getOrCreateSubprogramDIE()
to emit linkage names for C/Dtors.

rdar://problem/16362674.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206096 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agollc: Add support for -mcpu=native.
Jim Grosbach [Sat, 12 Apr 2014 01:34:31 +0000 (01:34 +0000)]
llc: Add support for -mcpu=native.

When -mcpu=native is passed, autodetect the host CPU and pass that
as the CPU name to the TargetMachine factory method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206095 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoX86: Remove TargetMachine CPU auto-detection.
Jim Grosbach [Sat, 12 Apr 2014 01:34:29 +0000 (01:34 +0000)]
X86: Remove TargetMachine CPU auto-detection.

This logic is properly in the realm of whatever is creating the
TargetMachine. This makes plain 'llc foo.ll' consistent across
heterogenous machines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206094 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoReenable use of TBAA during CodeGen
Hal Finkel [Sat, 12 Apr 2014 01:26:00 +0000 (01:26 +0000)]
Reenable use of TBAA during CodeGen

We had disabled use of TBAA during CodeGen (even when otherwise using AA)
because the ptrtoint/inttoptr used by CGP for address sinking caused BasicAA to
miss basic type punning that it should catch (and, thus, we'd fail to override
TBAA when we should).

However, when AA is in use during CodeGen, CGP now uses normal GEPs and
bitcasts, instead of ptrtoint/inttoptr, when doing address sinking. As a
result, BasicAA should be able to make us do the right thing in the face of
type-punning, and it seems safe to enable use of TBAA again. self-hosting seems
fine on PPC64/Linux on the P7, with TBAA enabled and -misched=shuffle.

Note: We still don't update TBAA when merging stack slots, although because
BasicAA should now catch all such cases, this is no longer a blocking issue.
Nevertheless, I plan to commit code to deal with this properly in the near
future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206093 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoAdd the ability to use GEPs for address sinking in CGP
Hal Finkel [Sat, 12 Apr 2014 00:59:48 +0000 (00:59 +0000)]
Add the ability to use GEPs for address sinking in CGP

The current memory-instruction optimization logic in CGP, which sinks parts of
the address computation that can be adsorbed by the addressing mode, does this
by explicitly converting the relevant part of the address computation into
IR-level integer operations (making use of ptrtoint and inttoptr). For most
targets this is currently not a problem, but for targets wishing to make use of
IR-level aliasing analysis during CodeGen, the use of ptrtoint/inttoptr is a
problem for two reasons:
  1. BasicAA becomes less powerful in the face of the ptrtoint/inttoptr
  2. In cases where type-punning was used, and BasicAA was used
     to override TBAA, BasicAA may no longer do so. (this had forced us to disable
     all use of TBAA in CodeGen; something which we can now enable again)

This (use of GEPs instead of ptrtoint/inttoptr) is not currently enabled by
default (except for those targets that use AA during CodeGen), and so aside
from some PowerPC subtargets and SystemZ, there should be no change in
behavior. We may be able to switch completely away from the ptrtoint/inttoptr
sinking on all targets, but further testing is required.

I've doubled-up on a number of existing tests that are sensitive to the
address sinking behavior (including some store-merging tests that are
sensitive to the order of the resulting ADD operations at the SDAG level).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206092 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[AArch64] Implement the isLegalAddressingMode and getScalingFactorCost APIs.
Chad Rosier [Sat, 12 Apr 2014 00:14:23 +0000 (00:14 +0000)]
[AArch64] Implement the isLegalAddressingMode and getScalingFactorCost APIs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206089 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoblockfreq: Document BlockFrequencyInfo terminology
Duncan P. N. Exon Smith [Fri, 11 Apr 2014 23:21:07 +0000 (23:21 +0000)]
blockfreq: Document BlockFrequencyInfo terminology

Documents terminology used in the forthcoming rewrite of
BlockFrequencyInfo.

<rdar://problem/14292693>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206086 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoblockfreq: Rename BlockProbInfoT to BranchProbabilityInfoT
Duncan P. N. Exon Smith [Fri, 11 Apr 2014 23:21:04 +0000 (23:21 +0000)]
blockfreq: Rename BlockProbInfoT to BranchProbabilityInfoT

No functionality change.

<rdar://problem/14292693>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206085 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoblockfreq: Remove unnecessary template parameters
Duncan P. N. Exon Smith [Fri, 11 Apr 2014 23:21:02 +0000 (23:21 +0000)]
blockfreq: Remove unnecessary template parameters

Moves redundant template parameters into an implementation detail of
BlockFrequencyInfoImpl.

No functionality change.

<rdar://problem/14292693>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206084 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoblockfreq: Rename BlockFrequencyImpl to BlockFrequencyInfoImpl
Duncan P. N. Exon Smith [Fri, 11 Apr 2014 23:20:58 +0000 (23:20 +0000)]
blockfreq: Rename BlockFrequencyImpl to BlockFrequencyInfoImpl

This is a shared implementation class for BlockFrequencyInfo and
MachineBlockFrequencyInfo, not for BlockFrequency, a related (but
distinct) class.

No functionality change.

<rdar://problem/14292693>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206083 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoblockfreq: Use getSuccessorIndex()
Duncan P. N. Exon Smith [Fri, 11 Apr 2014 23:20:52 +0000 (23:20 +0000)]
blockfreq: Use getSuccessorIndex()

No functionality change.

<rdar://problem/14292693>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206082 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoPull out a named variable for the cached section names to aid readability.
David Blaikie [Fri, 11 Apr 2014 22:49:14 +0000 (22:49 +0000)]
Pull out a named variable for the cached section names to aid readability.

Based on a code review suggestion from Eric Christopher in r205990

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206080 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoAdd ARM64 CLS patterns
Louis Gerbarg [Fri, 11 Apr 2014 22:27:58 +0000 (22:27 +0000)]
Add ARM64 CLS patterns

This patch adds patterns to generate the cls instruction ARM64. Includes tests
for 64 bit and 32 bit operands.

rdar://15611957

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206079 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoFormat fixes for r205990
David Blaikie [Fri, 11 Apr 2014 22:11:50 +0000 (22:11 +0000)]
Format fixes for r205990

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206078 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoMake doxygen comment match the declaration.
Benjamin Kramer [Fri, 11 Apr 2014 21:58:11 +0000 (21:58 +0000)]
Make doxygen comment match the declaration.

Found by -Wdocumentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206076 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[RegAllocGreedy][Last Chance Recoloring] Change the name of the exhaustive search...
Quentin Colombet [Fri, 11 Apr 2014 21:51:09 +0000 (21:51 +0000)]
[RegAllocGreedy][Last Chance Recoloring] Change the name of the exhaustive search option.
fexhaustive-register-search => exhaustive-register-search
'f' is a Clang thing!

This is related to PR18747.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206075 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[RegAllocGreedy][Last Chance Recoloring] Addition of
Quentin Colombet [Fri, 11 Apr 2014 21:39:44 +0000 (21:39 +0000)]
[RegAllocGreedy][Last Chance Recoloring] Addition of
-fexhaustive-register-search option to allow an exhaustive search during last
chance recoloring.

This is related to PR18747

Patch by MAYUR PANDEY <mayur.p@samsung.com>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206072 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoR600: Check if a sextload should be used for parameter loads.
Matt Arsenault [Fri, 11 Apr 2014 20:59:54 +0000 (20:59 +0000)]
R600: Check if a sextload should be used for parameter loads.

Through some oddity where truncate (sextload x) isn't folded into
an anyextload for vectors, the sextload remains if the
vector isn't immediately scalarized. This keeps the expected
zextload instructions in the kernel-args test when small type
vectors aren't scalarized.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206070 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRemove redundant symbolization support from MCDisassembler interface.
Lang Hames [Fri, 11 Apr 2014 20:07:58 +0000 (20:07 +0000)]
Remove redundant symbolization support from MCDisassembler interface.

MCDisassembler has an MCSymbolizer member that is meant to take care of
symbolizing during disassembly, but it also has several methods that enable the
disassembler to do symbolization internally (i.e. without an attached symbolizer
object). There is no need for this duplication, but ARM64 had been making use of
it. This patch moves the ARM64 symbolization logic out of ARM64Disassembler and
into an ARM64ExternalSymbolizer class, and removes the duplicated MCSymbolizer
functionality from the MCDisassembler interface. Symbolization will now be
done exclusively through MCSymbolizers.

There should be no impact on disassembly for any platform, but this allows us to
tidy up the MCDisassembler interface and simplify the process of (and invariants
related to) disassembler setup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206063 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[Register Coalescer] Fix wrong live-range information with rematerialization.
Quentin Colombet [Fri, 11 Apr 2014 19:45:07 +0000 (19:45 +0000)]
[Register Coalescer] Fix wrong live-range information with rematerialization.
When rematerializing an instruction that defines a super register that would be
used by a physical subregisters we use the related physical super register for
the definition.
To keep the live-range information accurate, all the defined subregisters must be
marked as dead def, otherwise the register allocation may miss some
interferences.

Working on a reduced test-case!

<rdar://problem/16582185>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206060 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoR600/SI: Refactor SOPC classes slightly.
Matt Arsenault [Fri, 11 Apr 2014 19:25:18 +0000 (19:25 +0000)]
R600/SI: Refactor SOPC classes slightly.

Better match what is done for VOPC to eventually
prefer selecting these.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206048 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoDon't lose the thumb bit by using relocations with sections.
Rafael Espindola [Fri, 11 Apr 2014 19:18:01 +0000 (19:18 +0000)]
Don't lose the thumb bit by using relocations with sections.

This fixes a regression from r205076.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206047 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoAdd some CHECKs to this testcase.
Adrian Prantl [Fri, 11 Apr 2014 18:08:37 +0000 (18:08 +0000)]
Add some CHECKs to this testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206046 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoFix shift by constants for vector.
Matt Arsenault [Fri, 11 Apr 2014 17:57:53 +0000 (17:57 +0000)]
Fix shift by constants for vector.

ashr <N x iM>, <N x iM> M -> undef

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206045 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoDebug info: Store the DIVariable in DebugLocEntry also for constants,
Adrian Prantl [Fri, 11 Apr 2014 17:49:47 +0000 (17:49 +0000)]
Debug info: Store the DIVariable in DebugLocEntry also for constants,
so DwarfDebug::emitDebugLocEntry can emit them with the correct signedness.

rdar://problem/15928306

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206042 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoMove ExtractVectorElements to SelectionDAG.
Matt Arsenault [Fri, 11 Apr 2014 17:47:30 +0000 (17:47 +0000)]
Move ExtractVectorElements to SelectionDAG.

This seems generally useful, and makes sense to
go along with SplitVector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206041 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoSelectionDAG: Use helper function to improve legalization of ISD::MUL
Tom Stellard [Fri, 11 Apr 2014 16:12:01 +0000 (16:12 +0000)]
SelectionDAG: Use helper function to improve legalization of ISD::MUL

The TargetLowering::expandMUL() helper contains lowering code extracted
from the DAGTypeLegalizer and allows the SelectionDAGLegalizer to expand more
ISD::MUL patterns without having to use a library call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206037 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoSelectionDAG: Factor ISD::MUL lowering code out of DAGTypeLegalizer
Tom Stellard [Fri, 11 Apr 2014 16:11:58 +0000 (16:11 +0000)]
SelectionDAG: Factor ISD::MUL lowering code out of DAGTypeLegalizer

This code has been moved to a new function in the TargetLowering
class called expandMUL().  The purpose of this is to be able
to share lowering code between the SelectionDAGLegalize and
DAGTypeLegalizer classes.

No functionality changed intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206036 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRevert: r205182 - llvm/test/MC/Mips/mips64r2/valid-xfail.s: This REQUIRES asserts...
Daniel Sanders [Fri, 11 Apr 2014 15:33:36 +0000 (15:33 +0000)]
Revert: r205182 - llvm/test/MC/Mips/mips64r2/valid-xfail.s: This REQUIRES asserts. Seems it doesn't fail with -Asserts.

This was most likely caused by an uninitialized value and the relevant code was re-written in r205292. Reverting to see if it still fails on any of the buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206033 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoFix use-after-free bug caught by address sanitizer:
Diego Novillo [Fri, 11 Apr 2014 13:55:56 +0000 (13:55 +0000)]
Fix use-after-free bug caught by address sanitizer:

http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/2959

The location string is returned as a std::string, not a StringRef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206032 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[yaml2obj][ELF] ELF Relocations Support.
Simon Atanasyan [Fri, 11 Apr 2014 04:13:39 +0000 (04:13 +0000)]
[yaml2obj][ELF] ELF Relocations Support.

The patch implements support for both relocation record formats: Elf_Rel
and Elf_Rela. It is possible to define relocation against symbol only.
Relocations against sections will be implemented later. Now yaml2obj
recognizes X86_64, MIPS and Hexagon relocation types.

Example of relocation section specification:
Sections:
- Name: .text
  Type: SHT_PROGBITS
  Content: "0000000000000000"
  AddressAlign: 16
  Flags: [SHF_ALLOC]

- Name: .rel.text
  Type: SHT_REL
  Info: .text
  AddressAlign: 4
  Relocations:
    - Offset: 0x1
      Symbol: glob1
      Type: R_MIPS_32
    - Offset: 0x2
      Symbol: glob2
      Type: R_MIPS_CALL16

The patch reviewed by Michael Spencer, Sean Silva, Shankar Easwaran.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206017 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoImplement depth_first and inverse_depth_first range factory functions.
David Blaikie [Fri, 11 Apr 2014 01:50:01 +0000 (01:50 +0000)]
Implement depth_first and inverse_depth_first range factory functions.

Also updated as many loops as I could find using df_begin/idf_begin -
strangely I found no uses of idf_begin. Is that just used out of tree?

Also a few places couldn't use df_begin because either they used the
member functions of the depth first iterators or had specific ordering
constraints (I added a comment in the latter case).

Based on a patch by Jim Grosbach. (Jim - you just had iterator_range<T>
where you needed iterator_range<idf_iterator<T>>)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206016 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[c++11] Range'ify use list loops in InstrEmitter.
Jim Grosbach [Fri, 11 Apr 2014 01:13:16 +0000 (01:13 +0000)]
[c++11] Range'ify use list loops in InstrEmitter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206015 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[c++11] Range'ify use list loops in DAGCombiner.
Jim Grosbach [Fri, 11 Apr 2014 01:13:13 +0000 (01:13 +0000)]
[c++11] Range'ify use list loops in DAGCombiner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206014 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[ARM64,C++11] Range'ify use-lists iterators in address type promotion.
Jim Grosbach [Fri, 11 Apr 2014 01:13:10 +0000 (01:13 +0000)]
[ARM64,C++11] Range'ify use-lists iterators in address type promotion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206013 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoUse value types instead of 'new'd objects to store dwarf labels for asm files
David Blaikie [Fri, 11 Apr 2014 00:43:52 +0000 (00:43 +0000)]
Use value types instead of 'new'd objects to store dwarf labels for asm files

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206009 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[ARM64,C++11]: Range'ify use-list iterators in DAGToDAG.
Jim Grosbach [Fri, 11 Apr 2014 00:27:22 +0000 (00:27 +0000)]
[ARM64,C++11]: Range'ify use-list iterators in DAGToDAG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206007 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[ARM64,C++11]: More range-based loop simplification.
Jim Grosbach [Fri, 11 Apr 2014 00:27:19 +0000 (00:27 +0000)]
[ARM64,C++11]: More range-based loop simplification.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206006 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoSDNode: Add uses() iterator_range convenience methods.
Jim Grosbach [Fri, 11 Apr 2014 00:27:17 +0000 (00:27 +0000)]
SDNode: Add uses() iterator_range convenience methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206005 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRemove lazy-initialization of section caches in MCContext
David Blaikie [Thu, 10 Apr 2014 23:55:11 +0000 (23:55 +0000)]
Remove lazy-initialization of section caches in MCContext

This seems to have been a cargo-culted habit from the very first such
cache which didn't have any specific justification (but might've been a
layering constraint at the time).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206003 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoMove the segmented stack switch to a function attribute
Reid Kleckner [Thu, 10 Apr 2014 22:58:43 +0000 (22:58 +0000)]
Move the segmented stack switch to a function attribute

This removes the -segmented-stacks command line flag in favor of a
per-function "split-stack" attribute.

Patch by Luqman Aden and Alex Crichton!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205997 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[stack protector] Refactor and clean-up test. No functionality change.
Josh Magee [Thu, 10 Apr 2014 22:47:27 +0000 (22:47 +0000)]
[stack protector] Refactor and clean-up test.  No functionality change.

Refactored stack-protector.ll to use new-style function attributes everywhere
and eliminated unnecessary attributes.

This cleanup is in preparation for an upcoming test change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205996 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoTest commit.
Louis Gerbarg [Thu, 10 Apr 2014 22:25:51 +0000 (22:25 +0000)]
Test commit.

Update contact information in CREDITS.TXT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205995 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoSimplify make_range by using move semantics
David Blaikie [Thu, 10 Apr 2014 22:03:48 +0000 (22:03 +0000)]
Simplify make_range by using move semantics

Move the iterators into the range the same way the range's ctor moves
them into the members.

Also remove some redundant top level parens in the return statement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205993 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[ARM64,C++11]: Range'ify loops in InstrInfo.
Jim Grosbach [Thu, 10 Apr 2014 22:00:18 +0000 (22:00 +0000)]
[ARM64,C++11]: Range'ify loops in InstrInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205992 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRemove the use of "%e" as it is not a valid expansion like "%t".
Kaelyn Takata [Thu, 10 Apr 2014 21:55:58 +0000 (21:55 +0000)]
Remove the use of "%e" as it is not a valid expansion like "%t".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205991 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoReimplement debug info compression by compressing the whole section, rather than...
David Blaikie [Thu, 10 Apr 2014 21:53:53 +0000 (21:53 +0000)]
Reimplement debug info compression by compressing the whole section, rather than a fragment.

To support compressing the debug_line section that contains multiple
fragments (due, I believe, to variation in choices of line table
encoding depending on the size of instruction ranges in the actual
program code) we needed to support compressing multiple MCFragments in a
single pass.

This patch implements that behavior by mutating the post-relaxed and
relocated section to be the compressed form of its former self,
including renaming the section.

This is a more flexible (and less invasive, to a degree) implementation
that will allow for other features such as "use compression only if it's
smaller than the uncompressed data".

Compressing debug_frame would be a possible further extension to this
work, but I've left it for now. The hurdle there is alignment sections -
which might require going as far as to refactor
MCAssembler.cpp:writeFragment to handle writing to a byte buffer or an
MCObjectWriter (there's already a virtual call there, so it shouldn't
add substantial compile-time cost) which could in turn involve
refactoring MCAsmBackend::writeNopData to use that same abstraction...
which involves touching all the backends. This would remove the limited
handling of fragment writing seen in
ELFObjectWriter.cpp:getUncompressedData which would be nice - but it's
more invasive.

I did discover that I (perhaps obviously) don't need to handle
relocations when I rewrite the fragments - since the relocations have
already been applied and computed (and stored into
ELFObjectWriter::Relocations) by this stage (necessarily, because we
need to have written any immediate values or assembly-time relocations
into the data already before we compress it, which we have). The test
case doesn't necessarily cover that in detail - I can add more test
coverage if that's preferred.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205990 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRevert debug info compression support.
David Blaikie [Thu, 10 Apr 2014 21:53:47 +0000 (21:53 +0000)]
Revert debug info compression support.

To support compression for debug_line and debug_frame a different
approach is required. To simplify review, revert the old implementation
and XFAIL the test case. New implementation to follow shortly.

Reverts r205059 and r204958.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205989 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[ARM64,C++11]: Range'ify loops in the conditional-compare pass.
Jim Grosbach [Thu, 10 Apr 2014 21:49:24 +0000 (21:49 +0000)]
[ARM64,C++11]: Range'ify loops in the conditional-compare pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205988 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoiterator_range: Add an llvm::make_range() helper method.
Jim Grosbach [Thu, 10 Apr 2014 21:49:22 +0000 (21:49 +0000)]
iterator_range: Add an llvm::make_range() helper method.

Convenience wrapper to make dealing with sub-ranges easier. Like the
iterator_range<> itself, if/when this sort of thing gets standards
blessing, it will be replaced by the official version.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205987 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoFor the ARM integrated assembler add checking of the
Kevin Enderby [Thu, 10 Apr 2014 20:18:58 +0000 (20:18 +0000)]
For the ARM integrated assembler add checking of the
alignments on vld/vst instructions.  And report errors for
alignments that are not supported.

While this is a large diff and an big test case, the changes
are very straight forward.  But pretty much had to touch
all vld/vst instructions changing the addrmode to one of the
new ones that where added will do the proper checking for
the specific instruction.

FYI, re-committing this with a tweak so MemoryOp's default
constructor is trivial and will work with MSVC 2012. Thanks
to Reid Kleckner and Jim Grosbach for help with the tweak.

rdar://11312406

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205986 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoRevert "Follow-up to r205973: change the return type to const MDNode*."
Adrian Prantl [Thu, 10 Apr 2014 18:37:53 +0000 (18:37 +0000)]
Revert "Follow-up to r205973: change the return type to const MDNode*."

This reverts commit r205974, it turns out that this wasn't such a great idea
after all. Using DIVariable as return value is self-documenting and marginally
more type safe.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205979 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoFollow-up to r205973: change the return type to const MDNode*.
Adrian Prantl [Thu, 10 Apr 2014 17:50:30 +0000 (17:50 +0000)]
Follow-up to r205973: change the return type to const MDNode*.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205974 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoDebug info: Factor the retrieving of the DIVariable from a MachineInstr
Adrian Prantl [Thu, 10 Apr 2014 17:39:48 +0000 (17:39 +0000)]
Debug info: Factor the retrieving of the DIVariable from a MachineInstr
into a function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205973 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoAddLLVM: Mute the prefix "lib" in SHARED on win32.
NAKAMURA Takumi [Thu, 10 Apr 2014 15:47:04 +0000 (15:47 +0000)]
AddLLVM: Mute the prefix "lib" in SHARED on win32.

  - LLVMSupport.dll
  - libLLVMSupport.dll.a

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205969 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[mips] NotMips64 predicate is really a test for 32-bit GPR's.
Daniel Sanders [Thu, 10 Apr 2014 15:00:28 +0000 (15:00 +0000)]
[mips] NotMips64 predicate is really a test for 32-bit GPR's.

Summary:
Similarly, the HasMips64 on the 64-bit move InstAlias is a test for 64-bit
GPR's.

No functional change.

Reviewers: matheusalmeida

Reviewed By: matheusalmeida

Differential Revision: http://reviews.llvm.org/D3263

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205968 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoReapply "SLPVectorizer: Ignore users that are insertelements we can reschedule them"
Arnold Schwaighofer [Thu, 10 Apr 2014 13:41:35 +0000 (13:41 +0000)]
Reapply "SLPVectorizer: Ignore users that are insertelements we can reschedule them"

This commit reapplies 205018. After 205855 we should correctly vectorize
intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205965 91177308-0d34-0410-b5e6-96231b3b80d8

8 years ago[mips] Switch the MIPS-III and MIPS-IV assembler tests to use -mcpu=mips4.
Daniel Sanders [Thu, 10 Apr 2014 13:16:49 +0000 (13:16 +0000)]
[mips] Switch the MIPS-III and MIPS-IV assembler tests to use -mcpu=mips4.

Summary:
It is now the smallest superset for these ISA's.

FeatureMips4 now contains FeatureFPIdx since [ls][dw]xc1 were added in MIPS-IV.
Made the FPIdx feature bit lowercase so that it can be used in the -mattr option.

Depends on D3274

Reviewers: matheusalmeida

Reviewed By: matheusalmeida

Differential Revision: http://reviews.llvm.org/D3275

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205964 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoARM64/*/LLVMBuild.txt: Prune redundant deps.
NAKAMURA Takumi [Thu, 10 Apr 2014 12:46:13 +0000 (12:46 +0000)]
ARM64/*/LLVMBuild.txt: Prune redundant deps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205963 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoLLVMBuild.txt: Add missing dependencies.
NAKAMURA Takumi [Thu, 10 Apr 2014 11:16:47 +0000 (11:16 +0000)]
LLVMBuild.txt: Add missing dependencies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205962 91177308-0d34-0410-b5e6-96231b3b80d8

8 years agoLLVMBuild.txt: Reformat.
NAKAMURA Takumi [Thu, 10 Apr 2014 11:16:17 +0000 (11:16 +0000)]
LLVMBuild.txt: Reformat.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205961 91177308-0d34-0410-b5e6-96231b3b80d8