Commit Graph

114410 Commits

Author SHA1 Message Date
Duncan P. N. Exon Smith
853cd2630e IR: Add missing API to specialized metadata nodes
Add the final bits of API that `DIBuilder` needs before the new nodes
can be moved into place.

  - Add `MDType::clone()` and `MDType::setFlags()` to support
    `DIBuilder::createTypeWithFlags()`.
  - Add `MDBasicType::get()` overload that just requires a tag and a
    name, as a convenience for `DIBuilder::createUnspecifiedType()`.
  - Add `MDLocalVariable::withInline()` and
    `MDLocalVariable::withoutInline()` to support
    `llvm::createInlinedVariable()` and
    `llvm::cleanseInlinedVariable()`.

(Somehow these got lost inside the "move into place" patch I'm about to
commit -- better to commit separately!)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231079 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 16:45:34 +00:00
NAKAMURA Takumi
6800198300 Make llvm/test/Object/archive-format.test CRLF-tolerant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231074 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 15:54:48 +00:00
Michael Kuperstein
822a753804 [X86][Haswell][SchedModel] Fix patterns for scalar FMA3 variants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231073 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 15:47:02 +00:00
Elena Demikhovsky
ae765411fc AVX-512: Moved patterns for masked load/store under avx_store, avx_load classes.
No functional changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231069 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 15:03:35 +00:00
Daniel Jasper
bbaf4fd14c During PHI elimination, split critical edges that move copies out of loops.
This prevents the behavior observed in llvm.org/PR22369. I am not sure
whether I am reading the code correctly, but the early exit based on
isLiveOutPastPHIs() seems to make the wrong assumption that
RegisterCoalescer won't be able to coalesce those copies later.

This change hides the new behavior behind -no-phi-elim-live-out-early-exit
as it currently breaks four tests:
 * Assertion in:
     CodeGen/Hexagon/hwloop-cleanup.ll
 * Worse code in:
     CodeGen/X86/coalescer-commute4.ll
     CodeGen/X86/phys_subreg_coalesce-2.ll
     CodeGen/X86/zlib-longest-match.ll
   The root cause here seems to be that the heuristic that determines
   the visitation order in RegisterCoalescer gets less lucky.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231064 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 10:23:11 +00:00
Daniel Berlin
21d5465831 Add range iterators to Extract/InsertValueInst indices
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231062 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 09:31:01 +00:00
Nick Lewycky
ca99858baa Switch up whitespace with better whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231059 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 07:59:45 +00:00
Nick Lewycky
146db69645 Revert the non-cleanup part of r230769 because it introduced a non-determinism found only in the names of symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231058 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 07:57:45 +00:00
Owen Anderson
25dc6c8a08 Cleanup after r230934 per Dave's suggestions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231056 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 05:39:27 +00:00
Craig Topper
fc2c7a558b [X86] Remove some unused code from disassembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231055 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 05:24:03 +00:00
Sanjoy Das
e288a5bb3b Revert "[ADT] fail-fast iterators for DenseMap"
This reverts commit r231035.  It breaks clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231050 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 01:59:38 +00:00
Peter Collingbourne
7abe807c7a Add explicit type to empty std::set initializer to fix the libc++ build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231047 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 01:39:13 +00:00
Ahmed Bougacha
14593eb417 [X86] Special-case 2x CMOV when custom-inserting.
This lets us avoid a few copies that are otherwise hard to get rid of.
The way this is done is, the custom-inserter looks at the following
instruction for another CMOV, and replaces both at the same time.
A previous version used a new CMOV2 opcode, but the custom inserter
is expected to be able to return a different basic block anyway, which
means it's OK - though far from ideal - to alter that block's contents.
Explicitly document that, in case it ever makes a difference.
Alternatives welcome!

Follow-up to r231045.

rdar://19767934
Closes http://reviews.llvm.org/D8019


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231046 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 01:21:16 +00:00
Ahmed Bougacha
8b5527deef [X86] Combine (cmov (and/or (setcc) (setcc))) into (cmov (cmov)).
Fold and/or of setcc's to double CMOV:

(CMOV F, T, ((cc1 | cc2) != 0)) -> (CMOV (CMOV F, T, cc1), T, cc2)
(CMOV F, T, ((cc1 & cc2) != 0)) -> (CMOV (CMOV T, F, !cc1), F, !cc2)

When we can't use the CMOV instruction, it might increase branch
mispredicts.  When we can, or when there is no mispredict, this
improves throughput and reduces register pressure.

These can't be catched by generic combines, because the pattern can
appear when legalizing some instructions (such as fcmp une).

rdar://19767934
http://reviews.llvm.org/D7634


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231045 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 01:09:14 +00:00
Reid Kleckner
a8182029a1 Fix cppeh breakage due to racing commits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231044 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 01:04:39 +00:00
Peter Collingbourne
27821d7200 LowerBitSets: Use byte arrays instead of bit sets to represent in-memory bit sets.
By loading from indexed offsets into a byte array and applying a mask, a
program can test bits from the bit set with a relatively short instruction
sequence. For example, suppose we have 15 bit sets to lay out:

A (16 bits), B (15 bits), C (14 bits), D (13 bits), E (12 bits),
F (11 bits), G (10 bits), H (9 bits), I (7 bits), J (6 bits), K (5 bits),
L (4 bits), M (3 bits), N (2 bits), O (1 bit)

These bits can be laid out in a 16-byte array like this:

      Byte Offset
    0123456789ABCDEF
Bit
  7 HHHHHHHHHIIIIIII
  6 GGGGGGGGGGJJJJJJ
  5 FFFFFFFFFFFKKKKK
  4 EEEEEEEEEEEELLLL
  3 DDDDDDDDDDDDDMMM
  2 CCCCCCCCCCCCCCNN
  1 BBBBBBBBBBBBBBBO
  0 AAAAAAAAAAAAAAAA

For example, to test bit X of A, we evaluate ((bits[X] & 1) != 0), or to
test bit X of I, we evaluate ((bits[9 + X] & 0x80) != 0). This can be done
in 1-2 machine instructions on x86, or 4-6 instructions on ARM.

This uses the LPT multiprocessor scheduling algorithm to lay out the bits
efficiently.

Saves ~450KB of instructions in a recent build of Chromium.

Differential Revision: http://reviews.llvm.org/D7954

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231043 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 00:49:28 +00:00
Andrew Kaylor
f89c6af16b Remap arguments and non-alloca values used by outlined C++ exception handlers.
Differential Revision: http://reviews.llvm.org/D7844



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231042 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 00:41:03 +00:00
Benjamin Kramer
51a833938f LoopIdiom: Give globals for memset_pattern16 private linkage.
There's really no reason to have them have entries in the symbol table
anymore. Old versions of ld64 had some bugs in this area but those have
been fixed long ago.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231041 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 00:17:09 +00:00
Reid Kleckner
8594a2aa79 WinEH: Run opt -instnamer over some cppeh tests and update CHECKs
In the future, we should run the output of clang through instnamer to
make it easier to manually edit test cases.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231037 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-03 00:05:35 +00:00
Sanjoy Das
47ffd6e993 [ADT] fail-fast iterators for DenseMap
Summary:
This patch is an attempt at making `DenseMapIterator`s "fail-fast".
Fail-fast iterators that have been invalidated due to insertion into
the host `DenseMap` deterministically trip an assert (in debug mode)
on access, instead of non-deterministically hitting memory corruption
issues.

Reviewers: dexonsmith, dberlin, ruiu, chandlerc

Reviewed By: chandlerc

Subscribers: yaron.keren, chandlerc, llvm-commits

Differential Revision: http://reviews.llvm.org/D7931

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231035 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 23:29:37 +00:00
Michael Zolotukhin
a6f1fd6465 TLI: Factor out sanitizeFunctionName. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231034 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 23:24:40 +00:00
Benjamin Kramer
0b08b96fdd IndexedMap: Document why SmallVector<T, 0> is preferable here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231028 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 22:20:22 +00:00
Adrian Prantl
e4ffd28ade Revert "Revert "For the dwarf expression code get the subtarget off of the current""
This reapplies r230990 without modifications.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231024 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 22:02:36 +00:00
Adrian Prantl
994176ad7c Refactor DebugLocDWARFExpression so it doesn't require access to the
TargetRegisterInfo. DebugLocEntry now holds a buffer with the raw bytes
of the pre-calculated DWARF expression.

Ought to be NFC, but it does slightly alter the output format of the
textual assembly.

This reapplies 230930 without the assertion in DebugLocEntry::finalize()
because not all Machine registers can be lowered into DWARF register
numbers and floating point constants cannot be expressed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231023 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 22:02:33 +00:00
Reid Kleckner
fd78a7dd5c cmake: Use MSVC atomics with clang-cl
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231022 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 22:00:23 +00:00
Jan Vesely
ef2030288a Support: Use const pointers for reads.
Fixes tons of const-cast warnings.

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Rui Ueyama <ruiu@google.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231021 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 21:50:28 +00:00
Sanjoy Das
caee94bbb4 Revert some changes that were made to fix PR20680.
This re-lands change r230921.  r230921 was reverted because it broke a
clang test; a checkin fixing the clang test will be commited shortly.

Summary:
As far as I can tell, the real bug causing the issue was fixed in
r230533.  SCEVExpander should mark an increment operation as nuw or nsw
only if it can *prove* that the operation does not overflow.  There
shouldn't be any situation where we have to do something different
because of no-wrap flags generated by SCEVExpander.

Revert "IndVarSimplify: Allow LFTR to fire more often"

This reverts commit 1ade0f0faa (SVN: 222213).

Revert "IndVarSimplify: Don't let LFTR compare against a poison value"

This reverts commit c0f2b8b528 (SVN: 217102).

Reviewers: majnemer, atrick, spatel

Differential Revision: http://reviews.llvm.org/D7979

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231018 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 21:41:07 +00:00
Reid Kleckner
2dc2d3f820 lit: Add 'cd' support to the internal shell and port some tests
The internal shell was already threading around a 'cwd' parameter. We
just have to make it mutable so that we can update it as the test script
executes.

If the shell ever grows support for environment variable substitution,
we could also implement support for export.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231017 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 21:33:18 +00:00
Rui Ueyama
4d1d4bad13 Use read{16,32,64}{le,be}() instead of *reinterpret_cast<u{little,big}{16,32,64}_t>().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231016 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 21:19:12 +00:00
Benjamin Kramer
3ad0e2cd45 SmallVector: Allow initialization and assignment from initializer_list.
Modeled after std::vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231015 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 21:16:04 +00:00
Michael Zolotukhin
f027454edc TLI: Use lambda. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231011 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 20:50:08 +00:00
Michael Zolotukhin
f5b6989928 Make ToVectorTy static.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231007 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 20:43:24 +00:00
Michael Zolotukhin
dc84228c2f Fix a copy-paste bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231006 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 20:37:10 +00:00
Adrian Prantl
a2e69c9c58 Revert "Refactor DebugLocDWARFExpression so it doesn't require access to the"
This reverts commit 230975 to investigate buildbot breakage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231004 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 20:01:54 +00:00
Adrian Prantl
db52ec3ae9 Revert "For the dwarf expression code get the subtarget off of the current"
This reverts commit 230990 because also reverting 230975.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231003 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 20:01:47 +00:00
Rui Ueyama
955419ebf0 Support: Add {read,write}{16,32,64}{le,be} functions.
Add convenient functions for endian-aware reads/writes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231002 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 20:00:15 +00:00
Paul Robinson
7f9bc0986b Remove useless .debug_macinfo section setup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231001 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 19:52:42 +00:00
David Blaikie
7f620e56cd Change SystemZ large tests to use the existing long_tests property
(this is already used in Clang for a couple of tests)

Reviewers: uweigand

Differential Revision: http://reviews.llvm.org/D7965

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230998 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 19:34:11 +00:00
Philip Reames
131d7fbdbd [PerformanceTips] Document various items folks have suggested
This could stand to be expanded - patches welcome! - but let's at least write them down so they don't get forgotten.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230995 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 19:19:04 +00:00
Rafael Espindola
de833240aa Add r230655 back with a fix.
The issue is that now we have a diag handler during optimizations
and get forward every optimization remark, flooding stdout.

The same filtering should probably be done with or without a
custom handler, but for now just ignore remarks.

Original message:

gold-plugin: "Upgrade" debug info and handle its warnings.

The gold plugin never calls MaterializeModule, so any old debug info
was not deleted and could cause crashes.

Now that it is being "upgraded", the plugin also has to handle warnings
and create Modules with a nice id (it shows in the warning).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230991 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 19:08:03 +00:00
Eric Christopher
45ba21c4a3 For the dwarf expression code get the subtarget off of the current
MachineFunction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230990 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 19:01:47 +00:00
Juergen Ributzka
0a5c3015f8 Restore LLVMLinkModules C API until it is properly deprecated.
Add the enum "LLVMLinkerMode" back for backwards-compatibility and add the
linker mode parameter back to the "LLVMLinkModules" function. The paramter is
ignored and has no effect.

Patch provided by: Filip Pizlo
Reviewed by: Rafael and Sean

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230988 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 18:59:38 +00:00
Jan Vesely
e8676a29bb R600: Use c++11 style for loop
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Tom Stellard <tom@stellard.net>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230987 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 18:56:52 +00:00
Paul Robinson
a2541bd006 Revert r230979, should apply to all X86 ELF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230985 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 18:50:18 +00:00
Chris Bieneman
b07ab5d546 Making the SO version major.minor instead of just major because ABI and API change between minor versions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230981 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 17:50:13 +00:00
Paul Robinson
d31f89ebc1 [PS4] Correct relocation for DWARF TLS references.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230979 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 17:44:52 +00:00
Hans Wennborg
f0c07c3691 export.sh: Make sure umask is not too restrictive (PR22742)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230977 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 17:30:42 +00:00
Justin Bogner
97cc07352b Detect malformed YAML sequence in yaml::Input::beginSequence()
When reading a yaml::SequenceTraits object, YAMLIO does not report an
error if the yaml item is not a sequence. Instead, YAMLIO reads an
empty sequence. For example:

---
seq:
    foo: 1
    bar: 2
...

If `seq` is a SequenceTraits object, then reading the above yaml will
yield `seq` as an empty sequence.

Fix this to report an error for the above mapping ("not a sequence")

Patch by William Fisher. Thanks!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230976 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 17:26:43 +00:00
Adrian Prantl
9680c9c1a8 Refactor DebugLocDWARFExpression so it doesn't require access to the
TargetRegisterInfo. DebugLocEntry now holds a buffer with the raw bytes
of the pre-calculated DWARF expression.

Ought to be NFC, but it does slightly alter the output format of the
textual assembly.

This reapplies 230930 with a relaxed assertion in DebugLocEntry::finalize()
that allows for empty DWARF expressions for constant FP values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230975 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 17:21:06 +00:00
Benjamin Kramer
2271bfcd9c Accidentaly inverted the condition again. Sorry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230973 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 16:45:08 +00:00