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113511 Commits

Author SHA1 Message Date
Matt Arsenault
96bfb8f556 R600/SI: Fix brace identation
llvm-svn: 229603
2015-02-18 02:04:31 +00:00
Justin Bogner
a033796bf5 Re-apply "InstrProf: Add unit tests for the profile reader and writer"
Have the InstrProfWriter return a MemoryBuffer instead of a
std::string. This fixes the alignment issues the reader would hit, and
it's a more appropriate type for this anyway.

I've also removed an ugly helper function that's not needed since
we're allowing initializer lists now, and updated some error code
checks based on MSVC's issues with r229473.

This reverts r229483, reapplying r229478.

llvm-svn: 229602
2015-02-18 01:58:17 +00:00
Matthias Braun
85e8274991 LiveRangeCalc: Rename some parameters from kill to use, NFC.
Those parameters did not necessarily describe kill points but just uses.

llvm-svn: 229601
2015-02-18 01:50:52 +00:00
Sanjoy Das
f5d762cf78 Generalize getExtendAddRecStart to work with both sign and zero
extensions.

This change also removes `DEBUG(dbgs() << "SCEV: untested prestart
overflow check\n");` because that case has a unit test now.

Differential Revision: http://reviews.llvm.org/D7645

llvm-svn: 229600
2015-02-18 01:47:07 +00:00
Chandler Carruth
c5e64635fc [shuffles] Tweak my shufflevector fuzz test generation script to produce
more useful output. No more null bytes printed, and now with a newline.

llvm-svn: 229599
2015-02-18 01:36:45 +00:00
Filipe Cabecinhas
94af5c68a5 Downgrade build system error message to a warning
Instead of requiring MSVC 2013 U4, we simply warn users, since some might
not bt able to immediately upgrade.

llvm-svn: 229598
2015-02-18 01:12:38 +00:00
Eric Christopher
dc7c33fd53 Make the Mips AsmPrinter independent of global subtarget
initialization. Initialize the subtarget once per function and
migrate EmitStartOfAsmFile to either use calls on the
TargetMachine or get information from the subtarget we'd use
for assembling.

The top-level-ness of the MIPS attribute output for assembly is,
by nature, contrary to how we'd want to do this for an LTO
situation where we have multiple cpu architectures so this
solution is good enough for now.

llvm-svn: 229596
2015-02-18 01:01:57 +00:00
Eric Christopher
54623df065 Unify selectMipsCPU implementations.
llvm-svn: 229595
2015-02-18 00:55:06 +00:00
Sanjoy Das
131dd44a0f Bugfix: SCEV incorrectly marks certain expressions as nsw
I could not come up with a test case for this one; but I don't think
`getPreStartForSignExtend` can assume `AR` is `nsw` -- there is one
place in scalar evolution that calls `getSignExtendAddRecStart(AR,
...)` without proving that `AR` is `nsw`

(line 1564)

   OperandExtendedAdd =
     getAddExpr(WideStart,
                getMulExpr(WideMaxBECount,
                           getZeroExtendExpr(Step, WideTy)));
   if (SAdd == OperandExtendedAdd) {
     // If AR wraps around then
     //
     //    abs(Step) * MaxBECount > unsigned-max(AR->getType())
     // => SAdd != OperandExtendedAdd
     //
     // Thus (AR is not NW => SAdd != OperandExtendedAdd) <=>
     // (SAdd == OperandExtendedAdd => AR is NW)

     const_cast<SCEVAddRecExpr *>(AR)->setNoWrapFlags(SCEV::FlagNW);

     // Return the expression with the addrec on the outside.
     return getAddRecExpr(getSignExtendAddRecStart(AR, Ty, this),
                          getZeroExtendExpr(Step, Ty),
                          L, AR->getNoWrapFlags());
   }

Differential Revision: http://reviews.llvm.org/D7640

llvm-svn: 229594
2015-02-18 00:43:19 +00:00
Richard Smith
35ab9589d7 [modules] Fix typo in DIA exclusion in module map.
llvm-svn: 229591
2015-02-18 00:21:45 +00:00
Rafael Espindola
5bb7947928 Twines should be passed by const ref.
llvm-svn: 229590
2015-02-17 23:44:22 +00:00
Andrea Di Biagio
016c12ee8d [X86][FastIsel] Teach how to select scalar integer to float/double conversions.
This patch teaches fast-isel how to select a (V)CVTSI2SSrr for an integer to 
float conversion, and how to select a (V)CVTSI2SDrr for an integer to double
conversion.

Added test 'fast-isel-int-float-conversion.ll'.

Differential Revision: http://reviews.llvm.org/D7698

llvm-svn: 229589
2015-02-17 23:40:58 +00:00
Rafael Espindola
be6855ec2a Add r228939 back with a fix.
The problem in the original patch was not switching back to .text after printing
an eh table.

Original message:

On ELF, put PIC jump tables in a non executable section.

Fixes PR22558.

llvm-svn: 229586
2015-02-17 23:34:51 +00:00
Filipe Cabecinhas
10401763d4 We require MSVC 2013 Update 4 due to previous versions miscompiling ASTMatchers
Previous versions of MSVC 2013 would miscompile ASTMatchers (and/or their
tests). Bump up the requirement and make sure we know about the minor
revision.

Minimum required version found by Michael Edwards!

llvm-svn: 229584
2015-02-17 23:29:00 +00:00
Rafael Espindola
686783175f Add a test showing the problem in r228939.
If an EH table is printed in between the function and the jump table we would
fail to switch back to the text section to print the jump table.

llvm-svn: 229580
2015-02-17 23:21:46 +00:00
Duncan P. N. Exon Smith
9ad02ead7b IR: Add missing clone() overloads
Add missing specialized node overloads for `MDNode::clone()` (they were
on most of the node types already, but missing from the others).
`MDNode::clone()` returns `TempMDNode` (`std::unique_ptr<MDNode,...>`),
while `TempMDSubrange::clone()` (for example) returns the more
convenient `TempMDSubrange` (`std::unique_ptr<TempMDSubrange,...>`).

llvm-svn: 229579
2015-02-17 23:10:13 +00:00
Sanjay Patel
cc7b91ba4f rename variables again because these tables also deal with stores; NFC
Suggestion by Simon Pilgrim

llvm-svn: 229574
2015-02-17 22:38:06 +00:00
Duncan P. N. Exon Smith
48f29e956b IR: fieldIsMDNode() should be false for MDString
Simplify the code.  It has been a while since the schema has been so
"flexible".

llvm-svn: 229573
2015-02-17 22:34:15 +00:00
Duncan P. N. Exon Smith
e7c97c9135 AsmPrinter: Take range in DwarfExpression::AddExpression(), NFC
Previously `DwarfExpression::AddExpression()` relied on
default-constructing the end iterators for `DIExpression` -- once the
operands are represented explicitly via `MDExpression` (instead of via
the strange `StringRef` navigator in `DIHeaderIterator`) this won't
work.  Explicitly take an iterator for the end of the range.

llvm-svn: 229572
2015-02-17 22:30:56 +00:00
Simon Pilgrim
6da8e17d64 [X86][SSE] Generalised unpckl/unpckh shuffle matching
Added commuted unpckl/unpckh shuffle matching patterns as many cases containing undefined lanes fail to commute by themselves.

Differential Revision: http://reviews.llvm.org/D7564

llvm-svn: 229571
2015-02-17 22:24:32 +00:00
Sanjay Patel
60b8b1a43f Add comment to explain a non-obvious setting; NFC.
This is paraphrased from Simon Pilgrim's comment in:
http://reviews.llvm.org/D7492

llvm-svn: 229566
2015-02-17 22:09:54 +00:00
Sanjay Patel
f2c498a0c4 use a triple instead of a cpu; less builbot sadness
llvm-svn: 229563
2015-02-17 21:59:54 +00:00
Sanjay Patel
0617307f04 remove function names from comments; NFC
llvm-svn: 229558
2015-02-17 21:55:20 +00:00
Sanjay Patel
88a1351d53 replace meaningless variable names; NFCI
llvm-svn: 229549
2015-02-17 21:37:28 +00:00
Kevin Enderby
5109879fd6 Add code to llvm-objdump so the -section option with -macho will dump literal pointer sections
with the Mach-O S_LITERAL_POINTERS section type.

Also fix the printing of the leading addresses for literal sections to be consistent and
not print the 0x prefix.  Updated test cases to match.

llvm-svn: 229548
2015-02-17 21:35:48 +00:00
Justin Bogner
b4e0972ae0 Re-apply "InstrProf: Use a test fixture in the coverage mapping tests"
This time we use a helper to format the assertion so we can just use
ASSERT_TRUE instead of relying on ASSERT_EQ being able to deal with
conversions between enum types.

This reverts r229496, re-applying r229473.

llvm-svn: 229547
2015-02-17 21:33:43 +00:00
Rafael Espindola
6d441224de Add testcases I missed in r229541.
llvm-svn: 229542
2015-02-17 20:50:39 +00:00
Rafael Espindola
1dfd40aabb Add r228980 back.
Add support for having multiple sections with the same name and comdat.

Using this in combination with -ffunction-sections allows LLVM to output a .o
file with mulitple sections named .text. This saves space by avoiding long
unique names of the form .text.<C++ mangled name>.

llvm-svn: 229541
2015-02-17 20:48:01 +00:00
Rafael Espindola
d838f29e18 Add r228889 back.
Original message:
Invert the section relocation map.

It now points from rel section to section. Use it to set sh_info, avoiding
a brittle name lookup.

llvm-svn: 229539
2015-02-17 20:40:59 +00:00
Rafael Espindola
813f62b479 Add r228888 back.
Original message:

Use the existing SymbolTableIndex instead of doing a lookup. NFC.

llvm-svn: 229538
2015-02-17 20:37:50 +00:00
Rafael Espindola
706b9a2fc1 Add r228886 back now that r229530 fixed the issue lldb was hitting.
Original message:

Create the Seciton -> Rel Section map when it is first needed. NFC.

Saves a walk over every section.

llvm-svn: 229536
2015-02-17 20:31:13 +00:00
Sanjay Patel
ec471315ab make basic block label matching more flexible for less sad buildbots
llvm-svn: 229535
2015-02-17 20:29:31 +00:00
Tom Stellard
225ebd9101 R600/SI: Fix asam errors in SIFoldOperands
We were trying to fold into implicit uses, which led to out of bounds
access of the MCInstrDesc::OpInfo arrray.

llvm-svn: 229533
2015-02-17 20:11:54 +00:00
Sanjay Patel
5abe0e38c5 prevent folding a scalar FP load into a packed logical FP instruction (PR22371)
Change the memory operands in sse12_fp_packed_scalar_logical_alias from scalars to vectors. 
That's what the hardware packed logical FP instructions define: 128-bit memory operands.
There are no scalar versions of these instructions...because this is x86.

Generating the wrong code (folding a scalar load into a 128-bit load) is still possible
using the peephole optimization pass and the load folding tables. We won't completely
solve this bug until we either fix the lowering in fabs/fneg/fcopysign and any other
places where scalar FP logic is created or fix the load folding in foldMemoryOperandImpl()
to make sure it isn't changing the size of the load.

Differential Revision: http://reviews.llvm.org/D7474

llvm-svn: 229531
2015-02-17 20:08:21 +00:00
Rafael Espindola
c42165b816 Don't deference the section_end() iterator.
Hard to test given the undefined behavior nature.

llvm-svn: 229530
2015-02-17 20:07:28 +00:00
Reid Kleckner
9c032c96e5 Expose LLVM_VERSION_PATCH in llvm-config.h
There was no reason to keep this private in config.h, and users
requested that it be available in PR22615.

Also fix a bug where patch versions of '0' would cause the macro to
remain undefined. The "#cmakedefine" command only creates a macro if the
named variable would be considered true in the context of an if().

llvm-svn: 229529
2015-02-17 20:02:34 +00:00
Eric Christopher
5962c00022 Make the ARM AsmPrinter independent of global subtarget
initialization. Initialize the subtarget once per function and
migrate Emit{Start|End}OfAsmFile to either use attributes on the
TargetMachine or get information from the subtarget we'd use
for assembling. One bit (getISAEncoding) touched the general
AsmPrinter and the debug output. Handle this one by passing
the function for the subprogram down and updating all callers
and users.

The top-level-ness of the ARM attribute output for assembly is,
by nature, contrary to how we'd want to do this for an LTO
situation where we have multiple cpu architectures so this
solution is good enough for now.

llvm-svn: 229528
2015-02-17 20:02:32 +00:00
Eric Christopher
309b378b7d 80-column fixups.
llvm-svn: 229527
2015-02-17 20:02:28 +00:00
Colin LeMahieu
f18b2da2a1 [MC] Constifying MCInst::size()
llvm-svn: 229524
2015-02-17 19:46:23 +00:00
Adrian Prantl
3f8f25c230 DIBuilder: add trackIfUnresolved() to all nodes that may be cyclic.
Tested in clang/test/CodeGenObjCCXX/debug-info-cyclic.mm

rdar://problem/19839612

llvm-svn: 229521
2015-02-17 19:17:39 +00:00
Simon Atanasyan
3c81b245de [Object] Support reading 64-bit MIPS ELF archives
The 64-bit MIPS ELF archive file format is used by MIPS64 targets.
The main difference from a regular archive file is the symbol table format:
1. ar_name is equal to "/SYM64/"
2. number of symbols and offsets are 64-bit integers

http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf
Page 96

The patch allows reading of such archive files by llvm-nm, llvm-objdump
and other tools. But it does not support archive files with number of symbols
and/or offsets exceed 2^32. I think it is a rather rare case requires more
significant modification of `Archive` class code.

http://reviews.llvm.org/D7546

llvm-svn: 229520
2015-02-17 18:54:22 +00:00
Aaron Ballman
cfe5b40252 Correcting the ArrayRef test to not cause use-after-free bugs with initializer lists. Should also silence a -Wsign-compare warning accidentally introduced.
llvm-svn: 229515
2015-02-17 17:44:07 +00:00
Aaron Ballman
6056eecb6d Adding additional tests to ensure that initializer lists created from return values and as function arguments also work as expected.
llvm-svn: 229513
2015-02-17 17:08:08 +00:00
Aaron Ballman
49e7dd6b8e Addressing a post-commit review comment suggesting to avoid using direct initialization.
llvm-svn: 229512
2015-02-17 16:57:05 +00:00
Sanjay Patel
0117b06b3f Canonicalize splats as build_vectors (PR22283)
This is a follow-on patch to:
http://reviews.llvm.org/D7093

That patch canonicalized constant splats as build_vectors, 
and this patch removes the constant check so we can canonicalize
all splats as build_vectors.

This fixes the 2nd test case in PR22283:
http://llvm.org/bugs/show_bug.cgi?id=22283

The unfortunate code duplication between SelectionDAG and DAGCombiner
is discussed in the earlier patch review. At least this patch is just
removing code...

This improves an existing x86 AVX test and changes codegen in an ARM test.

Differential Revision: http://reviews.llvm.org/D7389

llvm-svn: 229511
2015-02-17 16:54:32 +00:00
Tom Stellard
521960e294 R600/SI: Extend private extload pattern to include zext loads
llvm-svn: 229507
2015-02-17 16:36:00 +00:00
Aaron Ballman
cda3605b43 I believe we no longer require LLVM_HAS_INITIALIZER_LISTS; it's supported in MSVC 2013 and GCC. Added a trivial test to ensure the ArrayRef initializer list constructor is called and behaves as expected.
If any of the bots complain (perhaps due to an antiquated version of an STL implementation), I will revert.

llvm-svn: 229502
2015-02-17 15:37:53 +00:00
NAKAMURA Takumi
a34ef0b5be ADT/PointerIntPairTest.cpp: Prune obsolete #if. We don't support msc17 anymore.
llvm-svn: 229501
2015-02-17 15:36:01 +00:00
Benjamin Kramer
21bee91af5 Prefer SmallVector::append/insert over push_back loops.
Same functionality, but hoists the vector growth out of the loop.

llvm-svn: 229500
2015-02-17 15:29:18 +00:00
Aaron Ballman
7fad43a0a3 Reverting r229473; it does not compile with MSVC 2013, and I suspect it was meant to be reverted in r229483.
llvm-svn: 229496
2015-02-17 13:18:43 +00:00