platform/upstream/llvm.git
9 years agoUse std::bitset for SubtargetFeatures.
Michael Kuperstein [Tue, 26 May 2015 10:47:10 +0000 (10:47 +0000)]
Use std::bitset for SubtargetFeatures.

Previously, subtarget features were a bitfield with the underlying type being uint64_t.
Since several targets (X86 and ARM, in particular) have hit or were very close to hitting this bound, switching the features to use a bitset.
No functional change.

The first several times this was committed (e.g. r229831, r233055), it caused several buildbot failures.
Apparently the reason for most failures was both clang and gcc's inability to deal with large numbers (> 10K) of bitset constructor calls in tablegen-generated initializers of instruction info tables.
This should now be fixed.

llvm-svn: 238192

9 years ago[ARM] Move out .ARM.exidx related things to ARM backend
Denis Protivensky [Tue, 26 May 2015 10:26:15 +0000 (10:26 +0000)]
[ARM] Move out .ARM.exidx related things to ARM backend

llvm-svn: 238191

9 years ago[mips] Make TTypeEncoding indirect to allow .eh_frame to be read-only.
Daniel Sanders [Tue, 26 May 2015 10:19:18 +0000 (10:19 +0000)]
[mips] Make TTypeEncoding indirect to allow .eh_frame to be read-only.

Summary:
Following on from r209907 which made personality encodings indirect, do the
same for TType encodings. This fixes the case where a try/catch block needs
to generate references to, for example, std::exception in the
.gcc_except_table.

This commit uses DW_EH_PE_sdata8 for N64 as far as is possible at the moment.
However, it is possible to end up with DW_EH_PE_sdata4 when a TargetMachine is
not available. There's no risk of issues with inconsistency here since the
tables are self describing but it does mean there is a small chance of the
PC-relative offset being out of range for particularly large programs.

Reviewers: petarj

Reviewed By: petarj

Subscribers: srhines, joerg, tberghammer, llvm-commits

Differential Revision: http://reviews.llvm.org/D9669

llvm-svn: 238190

9 years ago[Mips] Use structures declared in the llvm/Object/ELFTypes.h
Simon Atanasyan [Tue, 26 May 2015 08:48:33 +0000 (08:48 +0000)]
[Mips] Use structures declared in the llvm/Object/ELFTypes.h

No functional changes.

llvm-svn: 238189

9 years ago[mips] Move some structures represent MIPS specific ELF sections from LLD to LLVM
Simon Atanasyan [Tue, 26 May 2015 08:48:14 +0000 (08:48 +0000)]
[mips] Move some structures represent MIPS specific ELF sections from LLD to LLVM

That allows to reuse the code in other tools like llvm-readobj etc.

No functional changes.

llvm-svn: 238188

9 years ago[TableGen] Fix line wrapping logic for the autogenerated header to use math that...
Craig Topper [Tue, 26 May 2015 08:07:56 +0000 (08:07 +0000)]
[TableGen] Fix line wrapping logic for the autogenerated header to use math that makes more sense (at least to me).

The old code had a bug if the description was between 75 and 85 characters or so as it substracted PSLen from Desc.size() instead of MAX_LINE_LEN in the compare. It also calculated odd values for PosE on the last split and just let StringRef::slice take care of it being larger than the description string.

llvm-svn: 238187

9 years ago[TableGen] Rewrite an assert to not do a bunch unsigned math and then try to ensure...
Craig Topper [Tue, 26 May 2015 08:07:49 +0000 (08:07 +0000)]
[TableGen] Rewrite an assert to not do a bunch unsigned math and then try to ensure the result is a positive number.

I think the fact that it was explicitly excluding 0 kept this from being a tautology. The exclusion of 0 for the old math was also a bug that's easily hit if the description gets split into multiple lines.

llvm-svn: 238186

9 years ago[TableGen] Put a space between '*' and description in the autogenerated tablegen...
Craig Topper [Tue, 26 May 2015 08:07:45 +0000 (08:07 +0000)]
[TableGen] Put a space between '*' and description in the autogenerated tablegen header. Minor cleanup in surrounding code.

llvm-svn: 238185

9 years agoclang-format: Guard the bin-packing in braced lists on BinPackArguments
Daniel Jasper [Tue, 26 May 2015 07:26:26 +0000 (07:26 +0000)]
clang-format: Guard the bin-packing in braced lists on BinPackArguments
instead of BinPackParameters. Braced lists are used as constructor
calls in many places and so the bin-packing should follow what is done
for other calls and not what is done for function declarations.

llvm-svn: 238184

9 years agoclang-format: [JS] Support ES6 spread operator.
Daniel Jasper [Tue, 26 May 2015 07:18:56 +0000 (07:18 +0000)]
clang-format: [JS] Support ES6 spread operator.

Specifically, don't add a space before it.

Before:
  someFunction(... a);
  var x = [1, 2, ... a];

After:
  someFunction(...a);
  var x = [1, 2, ...a];

llvm-svn: 238183

9 years agoclang-format: Fix child-formatting in macros.
Daniel Jasper [Tue, 26 May 2015 07:03:42 +0000 (07:03 +0000)]
clang-format: Fix child-formatting in macros.

This fixes a case where the column limit was incorrectly calculated
leading to a macro like this:

  #define A                                       \
    [] {                                          \
      xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx(        \
          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx); \
    }

exceeding the column limit.

llvm-svn: 238182

9 years ago[TableGen] Fix indentation. NFC
Craig Topper [Tue, 26 May 2015 06:48:47 +0000 (06:48 +0000)]
[TableGen] Fix indentation. NFC

llvm-svn: 238181

9 years ago[TableGen] Include header for each cpp file first. NFC
Craig Topper [Tue, 26 May 2015 06:48:46 +0000 (06:48 +0000)]
[TableGen] Include header for each cpp file first. NFC

llvm-svn: 238180

9 years ago[TableGen] Remove unnecessary include and just forward declare. NFC
Craig Topper [Tue, 26 May 2015 06:48:43 +0000 (06:48 +0000)]
[TableGen] Remove unnecessary include and just forward declare. NFC

llvm-svn: 238179

9 years ago[TableGen] Remove unneeded namespace around a function. Just put llvm:: on the defini...
Craig Topper [Tue, 26 May 2015 06:48:41 +0000 (06:48 +0000)]
[TableGen] Remove unneeded namespace around a function. Just put llvm:: on the definition since it's already declared in a header file.

llvm-svn: 238178

9 years ago[TableGen] Use 'static' instead of an anonymous namespace.
Craig Topper [Tue, 26 May 2015 06:48:38 +0000 (06:48 +0000)]
[TableGen] Use 'static' instead of an anonymous namespace.

llvm-svn: 238177

9 years ago[Mips] Add Elf_Mips_Options::getRegInfoDesc() function to retrieve an ODK_REGINFO...
Simon Atanasyan [Tue, 26 May 2015 06:05:07 +0000 (06:05 +0000)]
[Mips] Add Elf_Mips_Options::getRegInfoDesc() function to retrieve an ODK_REGINFO descriptor

No functional changes.

llvm-svn: 238176

9 years ago[Mips] Make the code shorter - use LLVM_ELF_IMPORT_TYPES_ELFT macro
Simon Atanasyan [Tue, 26 May 2015 06:05:01 +0000 (06:05 +0000)]
[Mips] Make the code shorter - use LLVM_ELF_IMPORT_TYPES_ELFT macro

No functional changes.

llvm-svn: 238175

9 years agorevert files unintentionally checked in
Vince Harron [Tue, 26 May 2015 03:10:41 +0000 (03:10 +0000)]
revert files unintentionally checked in

llvm-svn: 238174

9 years agoPrint port number that lldb-server binds to in platform mode
Vince Harron [Tue, 26 May 2015 03:08:05 +0000 (03:08 +0000)]
Print port number that lldb-server binds to in platform mode

If binding to port 0 is selected, the actual port is printed.

This improves the reliability of platform startup by ensuring that
a free port can be found.

TEST PLAN
./lldb-server platform --listen *:0

Listening for a connection from <port-number>...

Will appear on stdout (with other stuff potentially)

llvm-svn: 238173

9 years agoRemove most uses of MCSectionData from MCAssembler.
Rafael Espindola [Tue, 26 May 2015 02:17:21 +0000 (02:17 +0000)]
Remove most uses of MCSectionData from MCAssembler.

llvm-svn: 238172

9 years agoStop using MCSectionData in MCAsmLayout.h.
Rafael Espindola [Tue, 26 May 2015 02:00:36 +0000 (02:00 +0000)]
Stop using MCSectionData in MCAsmLayout.h.

llvm-svn: 238170

9 years ago[ELF] Add support for -z origin/now options.
Davide Italiano [Tue, 26 May 2015 01:57:32 +0000 (01:57 +0000)]
[ELF] Add support for -z origin/now options.

Differential Revision: http://reviews.llvm.org/D9963

llvm-svn: 238169

9 years agoDelete dead code.
Rafael Espindola [Tue, 26 May 2015 01:56:56 +0000 (01:56 +0000)]
Delete dead code.

llvm-svn: 238168

9 years agoMove MCSection destruction to MCContext::reset.
Rafael Espindola [Tue, 26 May 2015 01:52:19 +0000 (01:52 +0000)]
Move MCSection destruction to MCContext::reset.

Fixes the leaks when running llc.

Also found by an asan bot.

llvm-svn: 238167

9 years ago[MS ABI] Implement restrict qualified references
David Majnemer [Tue, 26 May 2015 01:30:45 +0000 (01:30 +0000)]
[MS ABI] Implement restrict qualified references

MSVC 2015 supports '__restrict' qualified reference types.

llvm-svn: 238166

9 years agoStop using MCSectionData in MCMachObjectWriter.h.
Rafael Espindola [Tue, 26 May 2015 01:15:30 +0000 (01:15 +0000)]
Stop using MCSectionData in MCMachObjectWriter.h.

llvm-svn: 238165

9 years agoRemove dead forward declaration.
Rafael Espindola [Tue, 26 May 2015 00:55:28 +0000 (00:55 +0000)]
Remove dead forward declaration.

llvm-svn: 238164

9 years agoStop using MCSectionData in MCExpr.h.
Rafael Espindola [Tue, 26 May 2015 00:52:18 +0000 (00:52 +0000)]
Stop using MCSectionData in MCExpr.h.

llvm-svn: 238163

9 years agoReturn a MCSection from MCFragment::getParent().
Rafael Espindola [Tue, 26 May 2015 00:36:57 +0000 (00:36 +0000)]
Return a MCSection from MCFragment::getParent().

Another step in merging MCSectionData and MCSection.

llvm-svn: 238162

9 years agoCall the destructors of the MCSections.
Rafael Espindola [Tue, 26 May 2015 00:32:28 +0000 (00:32 +0000)]
Call the destructors of the MCSections.

They now contain the fragments. If we don't call the destructors the
fragments leak.

Found by an asan bot.

llvm-svn: 238161

9 years agoStore a MCSection in MCFragment.
Rafael Espindola [Mon, 25 May 2015 23:48:22 +0000 (23:48 +0000)]
Store a MCSection in MCFragment.

Part of the work to merge MCSectionData into MCSection.

llvm-svn: 238160

9 years agoTurn MCSectionData into a field of MCSection.
Rafael Espindola [Mon, 25 May 2015 23:14:17 +0000 (23:14 +0000)]
Turn MCSectionData into a field of MCSection.

This also changes MCAssembler to store a vector of MCSections instead of an
iplist of MCSectionData.

llvm-svn: 238159

9 years agoMove MCSectionData to MCSection.h.
Rafael Espindola [Mon, 25 May 2015 22:57:48 +0000 (22:57 +0000)]
Move MCSectionData to MCSection.h.

Another step in merging MCSectionData and MCSection.

llvm-svn: 238158

9 years agoRemove dead code. NFC.
Rafael Espindola [Mon, 25 May 2015 22:07:33 +0000 (22:07 +0000)]
Remove dead code. NFC.

llvm-svn: 238157

9 years agoMake a few MCSectionELF& variables const. NFC.
Rafael Espindola [Mon, 25 May 2015 21:56:55 +0000 (21:56 +0000)]
Make a few MCSectionELF& variables const. NFC.

This just reduces the noise from another patch.

llvm-svn: 238156

9 years agoInsert MCSectionData into the section list directly in getOrCreateSectionData.
Rafael Espindola [Mon, 25 May 2015 20:39:23 +0000 (20:39 +0000)]
Insert MCSectionData into the section list directly in getOrCreateSectionData.

Removing the logic from the constructor will make it easier to merge
MCSectionData and MCSection.

llvm-svn: 238155

9 years agoUse range-based for loops. NFC.
Craig Topper [Mon, 25 May 2015 20:01:18 +0000 (20:01 +0000)]
Use range-based for loops. NFC.

llvm-svn: 238154

9 years agofixed missed arch renaming (from C.Bergstrom)
Andrey Churbanov [Mon, 25 May 2015 20:01:16 +0000 (20:01 +0000)]
fixed missed arch renaming (from C.Bergstrom)

llvm-svn: 238153

9 years agoRemove conflicting attributes before adding deduced readonly/readnone
Bjorn Steinbrink [Mon, 25 May 2015 19:46:38 +0000 (19:46 +0000)]
Remove conflicting attributes before adding deduced readonly/readnone

Summary:
In case of functions that have a pointer argument and only pass it to
each other, the function attributes pass deduces that the pointer should
get the readnone attribute, but fails to remove a readonly attribute
that may already have been present.

Reviewers: nlewycky

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9995

llvm-svn: 238152

9 years ago[llvm-readobj/ELF] Teach how to decode DF_1_XXX flags
Davide Italiano [Mon, 25 May 2015 19:12:18 +0000 (19:12 +0000)]
[llvm-readobj/ELF] Teach how to decode DF_1_XXX flags

llvm-readobj -dynamic-table output.
Before:
0x000000006FFFFFFB unknown

After:
0x000000006FFFFFFB FLAGS_1 NOW ORIGIN

Differential Revision: http://reviews.llvm.org/D9958

llvm-svn: 238151

9 years agoMove HasInstructions to MCSection.
Rafael Espindola [Mon, 25 May 2015 18:34:26 +0000 (18:34 +0000)]
Move HasInstructions to MCSection.

llvm-svn: 238150

9 years ago[X86][AVX2] Vectorized i16 shift operators
Simon Pilgrim [Mon, 25 May 2015 17:49:13 +0000 (17:49 +0000)]
[X86][AVX2] Vectorized i16 shift operators

Part of D9474, this patch extends AVX2 v16i16 types to 2 x 8i32 vectors and uses i32 shift variable shifts before packing back to i16.

Adds AVX2 tests for v8i16 and v16i16

llvm-svn: 238149

9 years agoR600/SI: Remove some unnecessary patterns from VINTRP multiclass
Tom Stellard [Mon, 25 May 2015 16:15:56 +0000 (16:15 +0000)]
R600/SI: Remove some unnecessary patterns from VINTRP multiclass

DisableEncoding and Constraints can be set using let statements around
the multiclass defs.

llvm-svn: 238148

9 years agoR600/SI: Fix bug with v_interp_p1_f32 instructions on 16 bank lds chips
Tom Stellard [Mon, 25 May 2015 16:15:54 +0000 (16:15 +0000)]
R600/SI: Fix bug with v_interp_p1_f32 instructions on 16 bank lds chips

The src and dst register cannot be the same on chips with 16 lds banks.

llvm-svn: 238147

9 years agoR600/SI: Use NAME rather than opName as the key to the MCOpcode tables
Tom Stellard [Mon, 25 May 2015 16:15:50 +0000 (16:15 +0000)]
R600/SI: Use NAME rather than opName as the key to the MCOpcode tables

This lets us drop a parameter the opName parameter to the VINTRP
multiclass and makes it possible to create multiple VINTRP defs
with the same asm mnemonic.

llvm-svn: 238146

9 years agoThis patch adds support for the vector quadword add/sub instructions introduced
Kit Barton [Mon, 25 May 2015 15:52:45 +0000 (15:52 +0000)]
This patch adds support for the vector quadword add/sub instructions introduced
in POWER8.

These are the Clang-related changes for http://reviews.llvm.org/D9081

vadduqm
vaddeuqm
vaddcuq
vaddecuq
vsubuqm
vsubeuqm
vsubcuq
vsubecuq
All builtins are added in altivec.h, and guarded with the POWER8_VECTOR and
powerpc64 macros.

http://reviews.llvm.org/D9903

llvm-svn: 238145

9 years agoThis patch adds support for the vector quadword add/sub instructions introduced
Kit Barton [Mon, 25 May 2015 15:49:26 +0000 (15:49 +0000)]
This patch adds support for the vector quadword add/sub instructions introduced
in POWER8:

vadduqm
vaddeuqm
vaddcuq
vaddecuq
vsubuqm
vsubeuqm
vsubcuq
vsubecuq
In addition to adding the instructions themselves, it also adds support for the
v1i128 type for intrinsics (Intrinsics.td, Function.cpp, and
IntrinsicEmitter.cpp).

http://reviews.llvm.org/D9081

llvm-svn: 238144

9 years agoMove bundle info from MCSectionData to MCSection.
Rafael Espindola [Mon, 25 May 2015 15:04:26 +0000 (15:04 +0000)]
Move bundle info from MCSectionData to MCSection.

llvm-svn: 238143

9 years agoAdd a isBundleLocked helper to MCELFStreamer.
Rafael Espindola [Mon, 25 May 2015 14:57:35 +0000 (14:57 +0000)]
Add a isBundleLocked helper to MCELFStreamer.

llvm-svn: 238142

9 years agoMove LayoutOrder to MCSection.
Rafael Espindola [Mon, 25 May 2015 14:25:28 +0000 (14:25 +0000)]
Move LayoutOrder to MCSection.

llvm-svn: 238141

9 years agoUse a simple initial value for the ordinal.
Rafael Espindola [Mon, 25 May 2015 14:18:24 +0000 (14:18 +0000)]
Use a simple initial value for the ordinal.

The odd value was only used by the ELF writer to check if the section was one
that it had created.

llvm-svn: 238140

9 years agoStop forwarding getOrdinal and setOrdinal.
Rafael Espindola [Mon, 25 May 2015 14:12:48 +0000 (14:12 +0000)]
Stop forwarding getOrdinal and setOrdinal.

llvm-svn: 238139

9 years agoUse default member initializes. NFC.
Rafael Espindola [Mon, 25 May 2015 14:04:31 +0000 (14:04 +0000)]
Use default member initializes. NFC.

llvm-svn: 238138

9 years agoMove Ordinal from MCSectionData to MCSection. NFC.
Rafael Espindola [Mon, 25 May 2015 14:00:56 +0000 (14:00 +0000)]
Move Ordinal from MCSectionData to MCSection. NFC.

Part of the work to merge MCSectionData and MCSection.

llvm-svn: 238137

9 years agoSimplify boolean conditional return statements.
Rafael Espindola [Mon, 25 May 2015 13:50:21 +0000 (13:50 +0000)]
Simplify boolean conditional return statements.

Patch by Richard <legalize@xmission.com>

llvm-svn: 238134

9 years agoRefactor: Simplify boolean conditional return statements in llvm/lib/DebugInfo/DWARF
Benjamin Kramer [Mon, 25 May 2015 13:28:03 +0000 (13:28 +0000)]
Refactor: Simplify boolean conditional return statements in llvm/lib/DebugInfo/DWARF

Use clang-tidy to simplify boolean conditional return statements. Patch by
Richard Thomson <legalize@xmission.com>!

Differential Revision: http://reviews.llvm.org/D9972

llvm-svn: 238132

9 years ago[X86] When pattern-matching scalar FMA3 intrinsics, don't re-arrange the first and...
Michael Kuperstein [Mon, 25 May 2015 12:35:25 +0000 (12:35 +0000)]
[X86] When pattern-matching scalar FMA3 intrinsics, don't re-arrange the first and second operands.

The semantics of the scalar FMA intrinsics are that the high vector elements are copied from the first source.
The existing pattern switches src1 and src2 around, to match the "213" order, which ends up tying the original src2 to the dest. Since the actual scalar fma3 instructions copy the high elements from the dest register, the wrong values are copied.

This modifies the pattern to leave src1 and src2 in their original order.

Differential Revision: http://reviews.llvm.org/D9908

llvm-svn: 238131

9 years agoAdded promotion to EXTRACT_SUBVECTOR operand.
Elena Demikhovsky [Mon, 25 May 2015 11:33:13 +0000 (11:33 +0000)]
Added promotion to EXTRACT_SUBVECTOR operand.
I encountered with this case in one of KNL tests for i1 vectors.
v16i1 = EXTRACT_SUBVECTOR v32i1, x

llvm-svn: 238130

9 years agoBug fix for PR23577 (https://llvm.org/bugs/show_bug.cgi?id=23577#c0).
Alexander Musman [Mon, 25 May 2015 11:21:20 +0000 (11:21 +0000)]
Bug fix for PR23577 (https://llvm.org/bugs/show_bug.cgi?id=23577#c0).
"1-4" specifiers are returned as numeric constants, not identifiers,
and should be treated as such. Currently pragma handler incorrectly
assumes that they are returned as identifiers.

Patch by Andrey Bokhanko.

Differential Revision: http://reviews.llvm.org/D9856

llvm-svn: 238129

9 years agoQuiet compiler warnings about virtual and override not being consistent.
Greg Clayton [Mon, 25 May 2015 02:58:29 +0000 (02:58 +0000)]
Quiet compiler warnings about virtual and override not being consistent.

llvm-svn: 238128

9 years agoFix compiler warnings regarding size_t not always being 64 bit in the printf.
Greg Clayton [Mon, 25 May 2015 02:55:21 +0000 (02:55 +0000)]
Fix compiler warnings regarding size_t not always being 64 bit in the printf.

llvm-svn: 238127

9 years agoReformat.
NAKAMURA Takumi [Mon, 25 May 2015 01:43:34 +0000 (01:43 +0000)]
Reformat.

llvm-svn: 238126

9 years agoPrune CRLFs.
NAKAMURA Takumi [Mon, 25 May 2015 01:43:23 +0000 (01:43 +0000)]
Prune CRLFs.

llvm-svn: 238125

9 years ago[Unroll] Switch from an eagerly populated SCEV cache to one that is
Chandler Carruth [Mon, 25 May 2015 01:00:46 +0000 (01:00 +0000)]
[Unroll] Switch from an eagerly populated SCEV cache to one that is
lazily built.

Also, make it a much more generic SCEV cache, which today exposes only
a reduced GEP model description but could be extended in the future to
do other profitable caching of SCEV information.

llvm-svn: 238124

9 years agoAsmPrinter: Make DIEValue::Ty private, NFC
Duncan P. N. Exon Smith [Sun, 24 May 2015 17:03:15 +0000 (17:03 +0000)]
AsmPrinter: Make DIEValue::Ty private, NFC

llvm-svn: 238123

9 years agoAsmPrinter: Avoid creating symbols in DwarfStringPool
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:58:59 +0000 (16:58 +0000)]
AsmPrinter: Avoid creating symbols in DwarfStringPool

Stop creating symbols we don't need in `DwarfStringPool`.  The consumers
only call `DwarfStringPoolEntryRef::getSymbol()` when DWARF is
relocatable, so this just stops creating the unused symbols when it's
not.  This drops memory usage from 851 MB to 845 MB, around 0.7%.

(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)

llvm-svn: 238122

9 years agoAsmPrinter: Prune an include, NFC
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:54:59 +0000 (16:54 +0000)]
AsmPrinter: Prune an include, NFC

llvm-svn: 238121

9 years agoAsmPrinter: Remove dead code, NFC
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:51:29 +0000 (16:51 +0000)]
AsmPrinter: Remove dead code, NFC

llvm-svn: 238120

9 years agoAsmPrinter: Avoid EmitLabelDifference() in DwarfAccelTable
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:48:54 +0000 (16:48 +0000)]
AsmPrinter: Avoid EmitLabelDifference() in DwarfAccelTable

Mint a new function, `AsmPrinter::emitDwarfStringOffset()`, which takes
a `DwarfStringPoolEntryRef`.  When DWARF is relocatable across sections,
this defers to `emitSectionOffset()` and emits the `MCSymbol`;
otherwise, just emit the offset directly, without using any intermediate
symbols.

`EmitLabelDifference()` is already optimized to emit absolute label
differences cheaply when possible, so there aren't any major memory
savings here (853 MB down to 851 MB, or 0.2%).  However, it prepares for
making the `MCSymbol`s in the `DwarfStringPool` optional.

(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)

llvm-svn: 238119

9 years agoAsmPrinter: Use DwarfStringPoolEntry in DwarfAccelTable, NFC
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:44:32 +0000 (16:44 +0000)]
AsmPrinter: Use DwarfStringPoolEntry in DwarfAccelTable, NFC

This is just an API change, but it prepares to stop using
`EmitLabelDifference()` when possible.

llvm-svn: 238118

9 years agoAsmPrinter: Make DIEString small
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:40:47 +0000 (16:40 +0000)]
AsmPrinter: Make DIEString small

Expose the `DwarfStringPool` entry in a header, and store a pointer to
it directly in `DIEString`.  Instead of choosing at creation time how to
emit it, use the `dwarf::Form` to determine that at emission time.
Besides avoiding the other `DIEValue`, this shaves two pointers off of
`DIEString`; the data is now a single pointer.  This is a nice cleanup
on its own -- and drops memory usage from 861 MB down to 853 MB, around
0.9% -- but it's also preparation for passing `DIEValue`s by value.

(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)

llvm-svn: 238117

9 years agoAsmPrinter: Extract DwarfStringPoolEntry from DwarfStringPool, NFC
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:33:33 +0000 (16:33 +0000)]
AsmPrinter: Extract DwarfStringPoolEntry from DwarfStringPool, NFC

Extract out `DwarfStringPoolEntry` and `DwarfStringPoolRef` from
`DwarfStringPool` so that downstream users can start using
`DwarfStringPool::getEntry()` directly.  This will allow users to delay
the decision between emitting a symbol or an offset until later.

llvm-svn: 238116

9 years ago[ELF] Fix lld when no unique sections is used
Simon Atanasyan [Sun, 24 May 2015 16:19:27 +0000 (16:19 +0000)]
[ELF] Fix lld when no unique sections is used

Original patch of Shankar Easwaran with additional test case.
The yaml2obj does not allow to create an object file with non-unique
sections names so the fix uses a binary input object file in the test
case.

llvm-svn: 238115

9 years agoAsmPrinter: Emit the DwarfStringPool offset directly when possible
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:14:59 +0000 (16:14 +0000)]
AsmPrinter: Emit the DwarfStringPool offset directly when possible

Change `DwarfStringPool` to calculate byte offsets on-the-fly, and
update `DwarfUnit::getLocalString()` to use a `DIEInteger` instead of a
`DIEDelta` when Dwarf doesn't use relocations (i.e., Mach-O).  This
eliminates another call to `EmitLabelDifference()`, and drops memory
usage from 865 MB down to 861 MB, around 0.5%.

(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)

llvm-svn: 238114

9 years agoDebugInfo: Clarify test/DebugInfo/X86/stmt-list-multiple-compile-units.ll
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:10:35 +0000 (16:10 +0000)]
DebugInfo: Clarify test/DebugInfo/X86/stmt-list-multiple-compile-units.ll

This test was relying on the numbering of preceding .set directives, but
an upcoming commit is going to remove some of them.  Make the CHECKs
more nuanced.

llvm-svn: 238113

9 years agoAsmPrinter: Refactor DwarfStringPool::getEntry(), NFC
Duncan P. N. Exon Smith [Sun, 24 May 2015 16:06:08 +0000 (16:06 +0000)]
AsmPrinter: Refactor DwarfStringPool::getEntry(), NFC

Move `DwarfStringPool`'s `getEntry()` to the header (and make it a
member function) in preparation for calculating symbol offsets
on-the-fly.

llvm-svn: 238112

9 years agoRemove log2 dependency when building against Android API-9 SDK
Vince Harron [Sun, 24 May 2015 13:24:31 +0000 (13:24 +0000)]
Remove log2 dependency when building against Android API-9 SDK

Android's API-9 SDK is missing log2 builtins. A previous commit added
support for building against this API revision but this requires log2l
to be present.  (And it doesn't seem to be defined, despite being in
the headers.)

Author: pasaulais (Pierre-Andre Saulais)

Differential Revision: http://reviews.llvm.org/D9884

llvm-svn: 238111

9 years agoMove parseSubArch to ARMTargetParser. NFC
Renato Golin [Sun, 24 May 2015 11:18:44 +0000 (11:18 +0000)]
Move parseSubArch to ARMTargetParser. NFC

Using getCanonicalArchName() is the right way to parse ARM arch names.

Mapping ARMTargetParser IDs to Triple Arch IDs is temporary, until they
are merged into a TargetDescription class.

This was the last LLVM FIXME to move things to ARMTargetParser. Now on
to Clang and beyond.

llvm-svn: 238110

9 years ago[msan] Mprotect all inaccessible memory regions.
Evgeniy Stepanov [Sun, 24 May 2015 02:47:59 +0000 (02:47 +0000)]
[msan] Mprotect all inaccessible memory regions.

Fix 2 bugs in memory mapping setup:
- the invalid region at offset 0 was not protected because mmap at
  address 0 fails with EPERM on most Linux systems. We did not
  notice this because the check condition was flipped: the code was
  checking that mprotect has failed. And the test that was supposed
  to catch this was weakened by the mitigations in the mmap
  interceptor.
- when running without origins, the origin shadow range was left
  unprotected.

The new test ensures that mmap w/o MAP_FIXED always returns valid
application addresses.

llvm-svn: 238109

9 years agoAdd target hook to allow merging stores of nonzero constants
Matt Arsenault [Sun, 24 May 2015 00:51:27 +0000 (00:51 +0000)]
Add target hook to allow merging stores of nonzero constants

On GPU targets, materializing constants is cheap and stores are
expensive, so only doing this for zero vectors was silly.

Most of the new testcases aren't optimally merged, and are for
later improvements.

llvm-svn: 238108

9 years ago[Support/ELF] Add missing DF_1_XXX bits.
Davide Italiano [Sat, 23 May 2015 23:08:28 +0000 (23:08 +0000)]
[Support/ELF] Add missing DF_1_XXX bits.

In preparation for adding support for decoding DF_FLAGS_1 to
llvm-readobj.

Differential Revision: http://reviews.llvm.org/D9955
Reviewed by: echristo

llvm-svn: 238107

9 years ago[Driver] Unbreak hexagon build bots
David Majnemer [Sat, 23 May 2015 19:23:55 +0000 (19:23 +0000)]
[Driver] Unbreak hexagon build bots

AddHexagonTargetArgs didn't respect the driver flags by unconditionally
pushing -fno-signed-char.  Instead, add Hexagon handling to
isSignedCharDefault.

llvm-svn: 238106

9 years ago[Driver] Handle -fno-signed-char and -fno-unsigned-char
David Majnemer [Sat, 23 May 2015 18:48:37 +0000 (18:48 +0000)]
[Driver] Handle -fno-signed-char and -fno-unsigned-char

GCC maps -fno-unsigned-char to -fsigned-char and -fno-signed-char to
-funsigned-char.

llvm-svn: 238105

9 years agoBump SmallString to the minimum required amount for raw_ostream to avoid allocation.
Benjamin Kramer [Sat, 23 May 2015 17:20:53 +0000 (17:20 +0000)]
Bump SmallString to the minimum required amount for raw_ostream to avoid allocation.

NFC.

llvm-svn: 238104

9 years ago[Mips] Prefer Twine::utohexstr over utohexstr, saves a string copy.
Benjamin Kramer [Sat, 23 May 2015 16:53:07 +0000 (16:53 +0000)]
[Mips] Prefer Twine::utohexstr over utohexstr, saves a string copy.

NFC.

llvm-svn: 238103

9 years ago[AArch64] Clean up the ELF streamer a bit.
Benjamin Kramer [Sat, 23 May 2015 16:39:10 +0000 (16:39 +0000)]
[AArch64] Clean up the ELF streamer a bit.

llvm-svn: 238102

9 years ago[AArch64] Move AArch64TargetStreamer out of MCStreamer.h
Benjamin Kramer [Sat, 23 May 2015 16:15:10 +0000 (16:15 +0000)]
[AArch64] Move AArch64TargetStreamer out of MCStreamer.h

It doesn't belong in the shared MC layer. NFC.

llvm-svn: 238101

9 years ago[llgo] cmd/llgoi: use line editor
Andrew Wilkins [Sat, 23 May 2015 15:16:09 +0000 (15:16 +0000)]
[llgo] cmd/llgoi: use line editor

Summary:
This diff adds line-editing to llgoi, by
vendoring and using github.com/peterh/liner.
I have only implemented the basics here;
follow-ups will come later to add persisted
history, and completion,

Reviewers: pcc

Reviewed By: pcc

Subscribers: axw, llvm-commits

Differential Revision: http://reviews.llvm.org/D9811

llvm-svn: 238100

9 years agoSilencing a spurious -Wreturn-type warning; NFC.
Aaron Ballman [Sat, 23 May 2015 14:46:49 +0000 (14:46 +0000)]
Silencing a spurious -Wreturn-type warning; NFC.

llvm-svn: 238099

9 years ago[clang-tidy] Fix for llvm.org/PR23572
Szabolcs Sipos [Sat, 23 May 2015 14:21:01 +0000 (14:21 +0000)]
[clang-tidy] Fix for llvm.org/PR23572

misc-static-assert won't report asserts whose conditions contain calls to non constexpr functions.

llvm-svn: 238098

9 years ago[PowerPC] Fix fast-isel when compare is split from branch
Hal Finkel [Sat, 23 May 2015 12:18:10 +0000 (12:18 +0000)]
[PowerPC] Fix fast-isel when compare is split from branch

When the compare feeding a branch was in a different BB from the branch, we'd
try to "regenerate" the compare in the block with the branch, possibly trying
to make use of values not available there. Copy a page from AArch64's play book
here to fix the problem (at least in terms of correctness).

Fixes PR23640.

llvm-svn: 238097

9 years agoUpdate ExecutionEngine/LLVMBuild.txt, to add LLVMCodeGen.
NAKAMURA Takumi [Sat, 23 May 2015 10:44:30 +0000 (10:44 +0000)]
Update ExecutionEngine/LLVMBuild.txt, to add LLVMCodeGen.

llvm-svn: 238096

9 years agoGive more meaningful names than I and J to some for loop variables after converting...
Craig Topper [Sat, 23 May 2015 08:45:10 +0000 (08:45 +0000)]
Give more meaningful names than I and J to some for loop variables after converting to range-based loops.

llvm-svn: 238095

9 years agoFix an unused variable warning in release builds.
Craig Topper [Sat, 23 May 2015 08:20:33 +0000 (08:20 +0000)]
Fix an unused variable warning in release builds.

llvm-svn: 238094

9 years agoUse range-based for loops. NFC.
Craig Topper [Sat, 23 May 2015 08:01:41 +0000 (08:01 +0000)]
Use range-based for loops. NFC.

llvm-svn: 238093

9 years agoRemove unnecessary indirection through SCEV
Tobias Grosser [Sat, 23 May 2015 05:58:30 +0000 (05:58 +0000)]
Remove unnecessary indirection through SCEV

llvm-svn: 238092

9 years agoUse unique_ptr to clarify ownershop of ScopArrayInfoMap
Tobias Grosser [Sat, 23 May 2015 05:58:27 +0000 (05:58 +0000)]
Use unique_ptr to clarify ownershop of ScopArrayInfoMap

llvm-svn: 238091

9 years agoUse unique_ptr to clarify ownership of ScopStmt
Tobias Grosser [Sat, 23 May 2015 05:14:09 +0000 (05:14 +0000)]
Use unique_ptr to clarify ownership of ScopStmt

llvm-svn: 238090

9 years agoDid some cleanup to stop us from leaking Pipe file descriptors.
Greg Clayton [Sat, 23 May 2015 03:54:53 +0000 (03:54 +0000)]
Did some cleanup to stop us from leaking Pipe file descriptors.

The main issue was the Communication::Disconnect() was calling its Connection::Disconnect() but this wouldn't release the pipes that the ConnectionFileDescriptor was using. We also have someone that is holding a strong reference to the Process so that when you re-run, target replaces its m_process_sp, but it doesn't get destructed because someone has a strong reference to it. I need to track that down. But, even if we have a strong reference to the a process that is outstanding, we need to call Process::Finalize() to have it release as much of its resources as possible to avoid memory bloat.

Removed the ProcessGDBRemote::SetExitStatus() override and replaced it with ProcessGDBRemote::DidExit().

Now we aren't leaking file descriptors and the stand alone test suite should run much better.

llvm-svn: 238089