oota-llvm.git
9 years agoMC: Update MCCodeEmitter naming. NFC.
Jim Grosbach [Fri, 15 May 2015 19:13:16 +0000 (19:13 +0000)]
MC: Update MCCodeEmitter naming. NFC.

s/EncodeInstruction/encodeInstruction/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237469 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoMC: Update MCFixup naming. NFC.
Jim Grosbach [Fri, 15 May 2015 19:13:05 +0000 (19:13 +0000)]
MC: Update MCFixup naming. NFC.

s/MCFixup::Create/MCFixup::create/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237468 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[NFC] remove an extra new line
Jingyue Wu [Fri, 15 May 2015 18:32:21 +0000 (18:32 +0000)]
[NFC] remove an extra new line

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237462 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoWhile in GlobalValue fix the function(s) that don't follow the
Eric Christopher [Fri, 15 May 2015 18:20:14 +0000 (18:20 +0000)]
While in GlobalValue fix the function(s) that don't follow the
naming convention and update users.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237461 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAdd a speculative execution pass
Jingyue Wu [Fri, 15 May 2015 17:54:48 +0000 (17:54 +0000)]
Add a speculative execution pass

Summary:
This is a pass for speculative execution of instructions for simple if-then (triangle) control flow. It's aimed at GPUs, but could perhaps be used in other contexts. Enabling this pass gives us a 1.0% geomean improvement on Google benchmark suites, with one benchmark improving 33%.

Credit goes to Jingyue Wu for writing an earlier version of this pass.

Patched by Bjarke Roune.

Test Plan:
This patch adds a set of tests in test/Transforms/SpeculativeExecution/spec.ll
The pass is controlled by a flag which defaults to having the pass not run.

Reviewers: eliben, dberlin, meheff, jingyue, hfinkel

Reviewed By: jingyue, hfinkel

Subscribers: majnemer, jholewinski, llvm-commits

Differential Revision: http://reviews.llvm.org/D9360

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237459 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRevert "Canonicalize min/max expressions correctly."
James Molloy [Fri, 15 May 2015 17:45:09 +0000 (17:45 +0000)]
Revert "Canonicalize min/max expressions correctly."

This reverts r237453 - it was causing timeouts on some bots. Reverting
while I investigate (it's probably InstCombine fighting itself...)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237458 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[SDAGBuilder] Make the AArch64 builder happier.
James Molloy [Fri, 15 May 2015 17:41:29 +0000 (17:41 +0000)]
[SDAGBuilder] Make the AArch64 builder happier.

I intended this loop to only unwrap SplitVector actions, but it
was more broad than that, such as unwrapping WidenVector actions,
which makes operations seem legal when they're not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237457 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[SLSR] handle (B | i) * S
Jingyue Wu [Fri, 15 May 2015 17:07:48 +0000 (17:07 +0000)]
[SLSR] handle (B | i) * S

Summary:
Consider (B | i) * S as (B + i) * S if B and i have no bits set in
common.

Test Plan: @or in slsr-mul.ll

Reviewers: broune, meheff

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9788

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237456 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoMark SMIN/SMAX/UMIN/UMAX nodes as legal and add patterns for them.
James Molloy [Fri, 15 May 2015 16:15:57 +0000 (16:15 +0000)]
Mark SMIN/SMAX/UMIN/UMAX nodes as legal and add patterns for them.

The new [SU]{MIN,MAX} SDNodes can be lowered directly to instructions for
most NEON datatypes - the big exclusion being v2i64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237455 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoCanonicalize min/max expressions correctly.
James Molloy [Fri, 15 May 2015 16:10:59 +0000 (16:10 +0000)]
Canonicalize min/max expressions correctly.

This patch introduces a canonical form for min/max idioms where one operand
is extended or truncated. This often happens when the other operand is a
constant. For example:

  %1 = icmp slt i32 %a, i32 0
  %2 = sext i32 %a to i64
  %3 = select i1 %1, i64 %2, i64 0

Would now be canonicalized into:

  %1 = icmp slt i32 %a, i32 0
  %2 = select i1 %1, i32 %a, i32 0
  %3 = sext i32 %2 to i64

This builds upon a patch posted by David Majenemer
(https://www.marc.info/?l=llvm-commits&m=143008038714141&w=2). That pass
passively stopped instcombine from ruining canonical patterns. This
patch additionally actively makes instcombine canonicalize too.

Canonicalization of expressions involving a change in type from int->fp
or fp->int are not yet implemented.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237453 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAllow min/max detection to see through casts.
James Molloy [Fri, 15 May 2015 16:04:50 +0000 (16:04 +0000)]
Allow min/max detection to see through casts.

This teaches the min/max idiom detector in ValueTracking to see through
casts such as SExt/ZExt/Trunc. SCEV can already do this, so we're bringing
non-SCEV analyses up to the same level.

The returned LHS/RHS will not match the type of the original SelectInst
any more, so a CastOp is returned too to inform the caller how to
convert to the SelectInst's type.

No in-tree users yet; this will be used by InstCombine in a followup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237452 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[llvm-readobj] Teach llvm-readobj to print PT_MIPS_ABIFLAGS program header
Simon Atanasyan [Fri, 15 May 2015 15:59:22 +0000 (15:59 +0000)]
[llvm-readobj] Teach llvm-readobj to print PT_MIPS_ABIFLAGS program header

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237451 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoNFC - Test case invokes llc on a file rather than redirected from a file.
Nemanja Ivanovic [Fri, 15 May 2015 15:29:53 +0000 (15:29 +0000)]
NFC - Test case invokes llc on a file rather than redirected from a file.

This has caused some local failures. Updating the test case to be more
like the majority of the similar test cases.
Committing on behalf of Hubert Tong (hstong@ca.ibm.com).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237449 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[xcore] Only support the 'm' inline assembly memory constraint. NFC.
Daniel Sanders [Fri, 15 May 2015 12:32:16 +0000 (12:32 +0000)]
[xcore] Only support the 'm' inline assembly memory constraint. NFC.

Summary:
XCore doesn't seem to have any additional constraints. Therefore remove
the target hook.

No functional change intended.

Reviewers: friedgold

Reviewed By: friedgold

Subscribers: friedgold, llvm-commits

Differential Revision: http://reviews.llvm.org/D8921

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237442 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[DependenceAnalysis] Fix for PR21585: collectUpperBound triggers asserts
James Molloy [Fri, 15 May 2015 12:17:22 +0000 (12:17 +0000)]
[DependenceAnalysis] Fix for PR21585: collectUpperBound triggers asserts

collectUpperBound hits an assertion when the back edge count is wider then the desired type.

If that happens, truncate the backedge count.

Patch by Philip Pfaffe!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237439 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] [IAS] Fix expansion of negative 32-bit immediates for LI/DLI.
Toma Tabacu [Fri, 15 May 2015 09:42:11 +0000 (09:42 +0000)]
[mips] [IAS] Fix expansion of negative 32-bit immediates for LI/DLI.

Summary:
To maintain compatibility with GAS, we need to stop treating negative 32-bit immediates as 64-bit values when expanding LI/DLI.
This currently happens because of sign extension.

To do this we need to choose the 32-bit value expansion for values which use their upper 33 bits only for sign extension (i.e. no 0's, only 1's).

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8662

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237428 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAdd SDNodes for umin, umax, smin and smax.
James Molloy [Fri, 15 May 2015 09:03:15 +0000 (09:03 +0000)]
Add SDNodes for umin, umax, smin and smax.

This adds new SDNodes for signed/unsigned min/max. These nodes are built from
select/icmp pairs matched at SDAGBuilder stage.

This patch adds the nodes, as well as legalization support and sets them to
be "expand" for all targets.

NFC for now; this will be tested when I switch AArch64 to using these new
nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237423 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoDoxygen: Enable autobrief feature and update coding standards.
Matthias Braun [Fri, 15 May 2015 03:34:01 +0000 (03:34 +0000)]
Doxygen: Enable autobrief feature and update coding standards.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237417 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[PlaceSafepoints] Fix a bug that came in with rL236672.
Sanjoy Das [Fri, 15 May 2015 00:26:21 +0000 (00:26 +0000)]
[PlaceSafepoints] Fix a bug that came in with rL236672.

Transfer the calling convention from the invoke being replaced by
PlaceStatepoints to the new invoke to gc.statepoint created.  Add a test
case that would have caught this issue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237414 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[PlaceSafepoints] Fix a bug that came in with rL236672.
Sanjoy Das [Fri, 15 May 2015 00:26:15 +0000 (00:26 +0000)]
[PlaceSafepoints] Fix a bug that came in with rL236672.

rL236672 would generate all invoke statepoints with deopt args set to a
list containing the single element "0", instead of an empty list.

Also add a test case that would have caught this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237413 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoStop resetting SanitizeAddress in TargetMachine::resetTargetOptions. NFC.
Akira Hatanaka [Fri, 15 May 2015 00:20:44 +0000 (00:20 +0000)]
Stop resetting SanitizeAddress in TargetMachine::resetTargetOptions. NFC.

Instead of doing that, create a temporary copy of MCTargetOptions and reset its
SanitizeAddress field based on the function's attribute every time an InlineAsm
instruction is emitted in AsmPrinter::EmitInlineAsm.

This is part of the work to remove TargetMachine::resetTargetOptions (the FIXME
added to TargetMachine.cpp in r236009 explains why this function has to be
removed).

Differential Revision: http://reviews.llvm.org/D9570

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237412 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFix the check strings in a test case committed in r212455.
Akira Hatanaka [Fri, 15 May 2015 00:12:26 +0000 (00:12 +0000)]
Fix the check strings in a test case committed in r212455.

The access size (8, in this case) was missing in the function name that was
being checked.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237410 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agodocs: Fix up some .rst formatting
Justin Bogner [Thu, 14 May 2015 23:56:58 +0000 (23:56 +0000)]
docs: Fix up some .rst formatting

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237409 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoMC: Avoid some UB caused by left shifting a negative value. NFC
Justin Bogner [Thu, 14 May 2015 23:54:49 +0000 (23:54 +0000)]
MC: Avoid some UB caused by left shifting a negative value. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237408 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[ValueTracking] refactor: extract method haveNoCommonBitsSet
Jingyue Wu [Thu, 14 May 2015 23:53:19 +0000 (23:53 +0000)]
[ValueTracking] refactor: extract method haveNoCommonBitsSet

Summary:
Extract method haveNoCommonBitsSet so that we don't have to duplicate this logic in
InstCombine and SeparateConstOffsetFromGEP.

This patch also makes SeparateConstOffsetFromGEP more precise by passing
DominatorTree to computeKnownBits.

Test Plan: value-tracking-domtree.ll that tests ValueTracking indeed leverages dominating conditions

Reviewers: broune, meheff, majnemer

Reviewed By: majnemer

Subscribers: jholewinski, llvm-commits

Differential Revision: http://reviews.llvm.org/D9734

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237407 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAdd a missing piece of existing practice to the developer policy. This may need furth...
Nick Lewycky [Thu, 14 May 2015 23:21:33 +0000 (23:21 +0000)]
Add a missing piece of existing practice to the developer policy. This may need further refinement, but I think is roughly correct.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237405 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoYAML: Add support for literal block scalar I/O.
Alex Lorenz [Thu, 14 May 2015 23:08:22 +0000 (23:08 +0000)]
YAML: Add support for literal block scalar I/O.

This commit gives the users of the YAML Traits I/O library
the ability to serialize scalars using the YAML literal block
scalar notation by allowing them to implement a specialization
of the `BlockScalarTraits` struct for their custom types.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D9613

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237404 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago80-col fixups.
Eric Christopher [Thu, 14 May 2015 23:07:13 +0000 (23:07 +0000)]
80-col fixups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237403 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[lib/Fuzzer] Add SHA1 implementation from public domain.
Kostya Serebryany [Thu, 14 May 2015 22:41:49 +0000 (22:41 +0000)]
[lib/Fuzzer] Add SHA1 implementation from public domain.

Summary:
This adds a SHA1 implementation taken from public domain code.
The change is trivial, but as it involves third-party code I'd like
a second pair of eyes before commit.

LibFuzzer can not use SHA1 from openssl because openssl may not be available
and because we may be fuzzing openssl itself.
Using sha1sum via a pipe is too slow.

Test Plan: n/a

Reviewers: chandlerc

Reviewed By: chandlerc

Subscribers: majnemer, llvm-commits

Differential Revision: http://reviews.llvm.org/D9733

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237400 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoReflow comments and remove one that predated the enum being in
Eric Christopher [Thu, 14 May 2015 22:29:46 +0000 (22:29 +0000)]
Reflow comments and remove one that predated the enum being in
the current file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237399 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRemove setting FloatABIType from the X86 port, nothing uses it.
Eric Christopher [Thu, 14 May 2015 22:26:54 +0000 (22:26 +0000)]
Remove setting FloatABIType from the X86 port, nothing uses it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237398 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAdd another InstCombine pass after LoopUnroll.
Wei Mi [Thu, 14 May 2015 22:02:54 +0000 (22:02 +0000)]
Add another InstCombine pass after LoopUnroll.

This is to cleanup some redundency generated by LoopUnroll pass. Such redundency may not be cleaned up by existing passes after LoopUnroll.

Differential Revision: http://reviews.llvm.org/D9777

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237395 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoDon't rely on implicit pointerness of 'auto'.
Davide Italiano [Thu, 14 May 2015 21:52:12 +0000 (21:52 +0000)]
Don't rely on implicit pointerness of 'auto'.

This ends up being a copy. Pointy hat to me.
Reported by: dexonsmith, dblaikie

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237394 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFix memory leak introduced in r237314.
Alex Lorenz [Thu, 14 May 2015 20:46:12 +0000 (20:46 +0000)]
Fix memory leak introduced in r237314.

The commit r237314 that implements YAML block parsing
introduced a leak that was caught by the ASAN linux buildbot.
YAML Parser stores its tokens in an ilist, and allocates
tokens using a BumpPtrAllocator, but doesn't call the
destructor for the allocated tokens. R237314 added an
std::string field to a Token which leaked as the Token's
destructor wasn't called. This commit fixes this leak
by calling the Token's destructor when a Token is being
removed from an ilist of tokens.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237389 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Hexagon] Generate hardware loop for a vectorized loop
Brendon Cahoon [Thu, 14 May 2015 20:36:19 +0000 (20:36 +0000)]
[Hexagon] Generate hardware loop for a vectorized loop

The induction variable in the vectorized loop wasn't
recognized properly, so a hardware loop wasn't generated.

Differential Revision: http://reviews.llvm.org/D9722

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237388 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoTurn effective assert(0) into llvm_unreachable
Matthias Braun [Thu, 14 May 2015 18:33:29 +0000 (18:33 +0000)]
Turn effective assert(0) into llvm_unreachable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237379 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoUpdate obsolete comments, fix typo, delete trailing space.
Douglas Katzman [Thu, 14 May 2015 18:07:04 +0000 (18:07 +0000)]
Update obsolete comments, fix typo, delete trailing space.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237378 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[ConstantFolding] Fix wrong folding of intrinsic 'convert.from.fp16'.
Andrea Di Biagio [Thu, 14 May 2015 18:01:48 +0000 (18:01 +0000)]
[ConstantFolding] Fix wrong folding of intrinsic 'convert.from.fp16'.

Function 'ConstantFoldScalarCall' (in ConstantFolding.cpp) works under the
wrong assumption that a call to 'convert.from.fp16' returns a value of
type 'float'.
However, intrinsic 'convert.from.fp16' can be overloaded; for example, we
can call 'convert.from.fp16.f64' to convert from half to double; etc.

Before this patch, the following example would have triggered an assertion
failure in opt (with -constprop):

```
define double @foo() {
entry:
  %0 = call double @llvm.convert.from.fp16.f64(i16 0)
  ret double %0
}
```

This patch fixes the problem in ConstantFolding.cpp. When folding a call to
convert.from.fp16, we perform a different kind of conversion based on the call
return type.

Added test 'Transform/ConstProp/convert-from-fp16.ll'.

Differential Revision: http://reviews.llvm.org/D9771

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237377 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoTargetSchedule: factor out common code; NFC
Matthias Braun [Thu, 14 May 2015 18:01:13 +0000 (18:01 +0000)]
TargetSchedule: factor out common code; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237376 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRemove MCInstrItineraries includes in parts that don't use them anymore
Matthias Braun [Thu, 14 May 2015 18:01:11 +0000 (18:01 +0000)]
Remove MCInstrItineraries includes in parts that don't use them anymore

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237375 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Hexagon] Remove dead constant assignment in hardware loop pass
Brendon Cahoon [Thu, 14 May 2015 17:31:40 +0000 (17:31 +0000)]
[Hexagon] Remove dead constant assignment in hardware loop pass

After converting a loop to a hardware loop, the pass should remove
any unnecessary instructions from the old compare-and-branch
code. This patch removes a dead constant assignment that was
used in the compare instruction.

Differential Revision: http://reviews.llvm.org/D9720

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237373 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoEnable solid lzma compression for cpack, decreases setup size by ~30%
Ismail Donmez [Thu, 14 May 2015 17:07:41 +0000 (17:07 +0000)]
Enable solid lzma compression for cpack, decreases setup size by ~30%

Reviewed by Hans Wennborg

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237372 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoReflow long lines of some LLVMBuild files
Douglas Katzman [Thu, 14 May 2015 15:38:27 +0000 (15:38 +0000)]
Reflow long lines of some LLVMBuild files

Differential Revision: http://reviews.llvm.org/D9752

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237367 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] [IAS] Enforce .set nomacro.
Toma Tabacu [Thu, 14 May 2015 14:51:32 +0000 (14:51 +0000)]
[mips] [IAS] Enforce .set nomacro.

Summary: When used, ".set nomacro" causes warning messages to be reported when we expand pseudo-instructions to multiple machine instructions.

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9564

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237366 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Hexagon] Check for underflow/wrap in hardware loop pass
Brendon Cahoon [Thu, 14 May 2015 14:15:08 +0000 (14:15 +0000)]
[Hexagon] Check for underflow/wrap in hardware loop pass

If the loop trip count may underflow or wrap, the compiler should
not generate a hardware loop since the trip count will be
incorrect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237365 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] [IAS] Emit .set macro/nomacro.
Toma Tabacu [Thu, 14 May 2015 13:42:10 +0000 (13:42 +0000)]
[mips] [IAS] Emit .set macro/nomacro.

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9563

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237363 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] Do not place users of $ra in the delay slot of call instructions.
Vasileios Kalintiris [Thu, 14 May 2015 13:17:56 +0000 (13:17 +0000)]
[mips] Do not place users of $ra in the delay slot of call instructions.

Summary:
When we are trying to fill the delay slot of a call instruction, we must avoid
filler instructions that use the $ra register. This fixes the test
MultiSource/Applications/JM/lencod when we enable the forward delay slot filler.

Reviewers: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9670

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237362 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRe-apply r237247 - [AArch64] Codegen VMAX/VMIN for safe math cases
Artyom Skrobov [Thu, 14 May 2015 12:59:46 +0000 (12:59 +0000)]
Re-apply r237247 - [AArch64] Codegen VMAX/VMIN for safe math cases

No longer breaks SPEC2000/2006

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237361 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAttempt to fix MSVC bots
Adam Nemet [Thu, 14 May 2015 12:33:32 +0000 (12:33 +0000)]
Attempt to fix MSVC bots

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237359 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoNew Loop Distribution pass
Adam Nemet [Thu, 14 May 2015 12:05:18 +0000 (12:05 +0000)]
New Loop Distribution pass

Summary:
This implements the initial version as was proposed earlier this year
(http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-January/080462.html).
Since then Loop Access Analysis was split out from the Loop Vectorizer
and was made into a separate analysis pass.  Loop Distribution becomes
the second user of this analysis.

The pass is off by default and can be enabled
with -enable-loop-distribution.  There is currently no notion of
profitability; if there is a loop with dependence cycles, the pass will
try to split them off from other memory operations into a separate loop.

I decided to remove the control-dependence calculation from this first
version.  This and the issues with the PDT are actively discussed so it
probably makes sense to treat it separately.  Right now I just mark all
terminator instruction required which keeps identical CFGs for each
distributed loop.  This seems to be working pretty well for 456.hmmer
where even though there is an empty if-then block in the distributed
loop initially, it gets completely removed.

The pass keeps DominatorTree and LoopInfo updated.  I've tested this
with -loop-distribute-verify with the testsuite where we distribute ~90
loops.  SimplifyLoop is violated in some cases and I have a FIXME
covering this.

Reviewers: hfinkel, nadav, aschwaighofer

Reviewed By: aschwaighofer

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8831

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237358 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFixed some typos and broken links in source level debugging docs.
Michael Kuperstein [Thu, 14 May 2015 10:58:59 +0000 (10:58 +0000)]
Fixed some typos and broken links in source level debugging docs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237357 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] [IAS] Warn when LA is used with a 64-bit symbol.
Toma Tabacu [Thu, 14 May 2015 10:53:40 +0000 (10:53 +0000)]
[mips] [IAS] Warn when LA is used with a 64-bit symbol.

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9295

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237356 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] [IAS] Give expandLoadAddressSym() more specific arguments. NFC.
Toma Tabacu [Thu, 14 May 2015 10:02:58 +0000 (10:02 +0000)]
[mips] [IAS] Give expandLoadAddressSym() more specific arguments. NFC.

Summary:
If we only pass the necessary operands, we don't have to determine the position of the symbol operand when entering expandLoadAddressSym().
This simplifies the expandLoadAddressSym() code.

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9291

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237355 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[AArch64] Slight naming changes and comments for AArch64NamedImmMapper
Vladimir Sukharev [Thu, 14 May 2015 09:50:14 +0000 (09:50 +0000)]
[AArch64] Slight naming changes and comments for AArch64NamedImmMapper

Reviewers: echristo

Subscribers: llvm-commits

Follow-up to: http://reviews.llvm.org/D8496#158595

Relates to: http://reviews.llvm.org/rL235089

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237354 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAVX-512: Added i1 type handling for calling conventions.
Elena Demikhovsky [Thu, 14 May 2015 09:04:45 +0000 (09:04 +0000)]
AVX-512: Added i1 type handling for calling conventions.
i1 type is a legal type on AVX-512 and can be passed as parameter or return value.
i1 is promoted to i8 on return and to i32 for call arguments (i8 is also promoted to i32 here).
The result code is similar to the previous X86 targets, where i1 is allways promoted to i8.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237350 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoTableGen: Avoid undefined behaviour by doing this shift in int64
Justin Bogner [Thu, 14 May 2015 06:47:02 +0000 (06:47 +0000)]
TableGen: Avoid undefined behaviour by doing this shift in int64

Found by ubsan. This was taking a bool and left shifting by 32 - the
result is 64 bit, so we should really do the math in a type it fits
in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237345 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[TableGen] Remove an unnecessary outer 'if' around 3 separate inner ifs. No functiona...
Craig Topper [Thu, 14 May 2015 05:54:02 +0000 (05:54 +0000)]
[TableGen] Remove an unnecessary outer 'if' around 3 separate inner ifs. No functional change intended.

The outer if had 3 separate conditions ORed together and then the inner ifs detected which of the three conditions it was by using only a portion of the specific condition. Just put the whole condition in each inner if and remove the outer if.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237343 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[TableGen] Simplify some code. NFC
Craig Topper [Thu, 14 May 2015 05:53:59 +0000 (05:53 +0000)]
[TableGen] Simplify some code. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237342 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[TableGen] Remove ListInit::size() in favor of getSize() which does the same thing...
Craig Topper [Thu, 14 May 2015 05:53:56 +0000 (05:53 +0000)]
[TableGen] Remove ListInit::size() in favor of getSize() which does the same thing and is already used in most places. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237341 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[TableGen] Replace some calls to ListInit::getSize() with ListInit::empty() if it...
Craig Topper [Thu, 14 May 2015 05:53:53 +0000 (05:53 +0000)]
[TableGen] Replace some calls to ListInit::getSize() with ListInit::empty() if it was just comparing to 0. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237340 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agocmake: Use -fno-sanitize-recover=all - the old spelling is deprecated
Justin Bogner [Thu, 14 May 2015 04:52:57 +0000 (04:52 +0000)]
cmake: Use -fno-sanitize-recover=all - the old spelling is deprecated

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237334 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoDon't omit the constant when computing a cross-section relative relocation.
Andy Ayers [Thu, 14 May 2015 01:10:41 +0000 (01:10 +0000)]
Don't omit the constant when computing a cross-section relative relocation.

Differential Revision: http://reviews.llvm.org/D9692

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237327 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[CodeGen] Use standard -not gnueabi- naming for f16 libcalls on Darwin.
Ahmed Bougacha [Thu, 14 May 2015 01:00:51 +0000 (01:00 +0000)]
[CodeGen] Use standard -not gnueabi- naming for f16 libcalls on Darwin.

Other targets probably should as well.  Since r237161, compiler-rt has
both, but I don't see why anything other than gnueabi would use a
gnueabi naming scheme.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237324 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRevert r237046. See the testcase on the thread where r237046 was committed.
Nick Lewycky [Wed, 13 May 2015 23:41:47 +0000 (23:41 +0000)]
Revert r237046. See the testcase on the thread where r237046 was committed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237317 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoYAML: Implement block scalar parsing.
Alex Lorenz [Wed, 13 May 2015 23:10:51 +0000 (23:10 +0000)]
YAML: Implement block scalar parsing.

This commit implements the parsing of YAML block scalars.
Some code existed for it before, but it couldn't parse block
scalars.

This commit adds a new yaml node type to represent the block
scalar values.

This commit also deletes the 'spec-09-27' and 'spec-09-28' tests
as they are identical to the test file 'spec-09-26'.

This commit introduces 3 new utility functions to the YAML scanner
class: `skip_s_space`, `advanceWhile` and `consumeLineBreakIfPresent`.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D9503

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237314 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[opaque pointer type] Use the value type of the GlobalVariable rather than accessing...
David Blaikie [Wed, 13 May 2015 22:55:01 +0000 (22:55 +0000)]
[opaque pointer type] Use the value type of the GlobalVariable rather than accessing it through the pointee's type

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237312 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[opaque pointer type] Use GlobalVariable::getValueType rather than accessing it throu...
David Blaikie [Wed, 13 May 2015 22:54:54 +0000 (22:54 +0000)]
[opaque pointer type] Use GlobalVariable::getValueType rather than accessing it through the GV's pointee type

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237311 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[X86] Fix PR23271 - RIP-relative decoding bug in disassembler.
Douglas Katzman [Wed, 13 May 2015 22:44:52 +0000 (22:44 +0000)]
[X86] Fix PR23271 - RIP-relative decoding bug in disassembler.

Differential Revision: http://reviews.llvm.org/D9110

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237310 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoConstruct ArrayRef<const T*> from vector<T>
Pete Cooper [Wed, 13 May 2015 22:43:09 +0000 (22:43 +0000)]
Construct ArrayRef<const T*> from vector<T>

ArrayRef already has a SFINAE constructor which can construct ArrayRef<const T*> from ArrayRef<T*>.

This adds methods to do the same directly from SmallVector and std::vector.  This avoids an intermediate step through the use of makeArrayRef.

Also update the users of this in LICM and SROA to remove the now unnecessary makeArrayRef call.

Reviewed by David Blaikie.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237309 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[lib/Fuzzer] update docs about test corpuses in git
Kostya Serebryany [Wed, 13 May 2015 22:42:28 +0000 (22:42 +0000)]
[lib/Fuzzer] update docs about test corpuses in git

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237308 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoInstrProf: Fix display of large numbers in llvm-cov
Justin Bogner [Wed, 13 May 2015 22:41:48 +0000 (22:41 +0000)]
InstrProf: Fix display of large numbers in llvm-cov

llvm-cov was truncating numbers that were larger than a particular
fixed width, which is as confusing as it is useless. Instead, we use
engineering notation with SI prefix for magnitude.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237307 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAdd llvm::all_of which wraps std::all_of.
Pete Cooper [Wed, 13 May 2015 22:19:13 +0000 (22:19 +0000)]
Add llvm::all_of which wraps std::all_of.

This version doesn't need begin/end but can instead just take a type which has begin/end methods.

Use this to replace an eligible foreach loop in LoopInfo found by David Blaikie in r237224.

Reviewed by David Blaikie.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237301 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFix typo on Instruction::insert{After,Before}(). NFC
Jonathan Roelofs [Wed, 13 May 2015 22:14:43 +0000 (22:14 +0000)]
Fix typo on Instruction::insert{After,Before}(). NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237300 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoInstrProf: Treat functions with a coverage map but no profile as unreached
Justin Bogner [Wed, 13 May 2015 22:03:04 +0000 (22:03 +0000)]
InstrProf: Treat functions with a coverage map but no profile as unreached

If we have a coverage mapping but no profile data for a function,
calling it mismatched is misleading. This can just as easily be
unreachable code that was stripped from the binary. Instead, treat
these the same as functions where we have an explicit "zero" coverage
map by setting the count to zero for each mapped region.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237298 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoMC: clang-format MCSymbol.h, NFC
Duncan P. N. Exon Smith [Wed, 13 May 2015 21:41:14 +0000 (21:41 +0000)]
MC: clang-format MCSymbol.h, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237297 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoARM: remove possible vestiges of the legacy JIT???
Tim Northover [Wed, 13 May 2015 20:28:41 +0000 (20:28 +0000)]
ARM: remove possible vestiges of the legacy JIT???

There's no need to manually pass modifier strings around to tell an operand how
to print now, that information is encoded in the operand itself since the MC
layer came along.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237295 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoARM: remove custom jump table UID
Tim Northover [Wed, 13 May 2015 20:28:38 +0000 (20:28 +0000)]
ARM: remove custom jump table UID

We were creating and propagating two separate indices for each jump table (from
back in the mists of time). However, the generic index used by other backends
is sufficient to emit a unique symbol so this was unneeded.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237294 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoARM: refactor optimizeThumb2JumpTables.
Tim Northover [Wed, 13 May 2015 20:28:32 +0000 (20:28 +0000)]
ARM: refactor optimizeThumb2JumpTables.

The previous logic mixed 2 separate questions:
  + Can we form a TBB/TBH instruction?
  + Can we remove the jump-table calculation before it?

It then performed a bunch of random tests on the instructions earlier in the
basic block, which were probably sufficient to answer 2 but only because of the
very limited ways in which a t2BR_JT can actually be created.

For example there's no reason to expect the LeaInst to define the same base
register as the following indexing calulation. In practice this means we might
have missed opportunities to form TBB/TBH, in theory you could end up
misidentifying a sequence and removing the wrong LEA:

     %R1 = t2LEApcrelJT ...
     %R2 = t2LEApcrelJT ...
     <... using and killing %R2 ...>
     %R2 = t2ADDr %R1, $Ridx

Before we would have looked for an LEA defining %R2 and found the wrong one. We
just got lucky that jump table setup was (almost?) always confined to a single
basic block and there was only one jump table per block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237293 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Statepoints][Docs] Fix a couple of out of date examples.
Sanjoy Das [Wed, 13 May 2015 20:20:10 +0000 (20:20 +0000)]
[Statepoints][Docs] Fix a couple of out of date examples.

Things I had missed in r237285.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237290 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Statepoints][Docs] Fix typo: change a period to a comma.
Sanjoy Das [Wed, 13 May 2015 20:19:51 +0000 (20:19 +0000)]
[Statepoints][Docs] Fix typo: change a period to a comma.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237289 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Safepoints][Verifier] Fix a tautological Assert.
Sanjoy Das [Wed, 13 May 2015 20:11:59 +0000 (20:11 +0000)]
[Safepoints][Verifier] Fix a tautological Assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237287 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[PlaceSafepoints] New attributes for patchable statepoints.
Sanjoy Das [Wed, 13 May 2015 20:11:31 +0000 (20:11 +0000)]
[PlaceSafepoints] New attributes for patchable statepoints.

Summary:
This patch teaches the PlaceSafepoints pass about two `CallSite`
function attributes:

 * "statepoint-id": if the string value of this attribute can be parsed
   as an integer, then it is propagated to the ID parameter of the
   statepoint created.

 * "statepoint-num-patch-bytes": if the string value of this attribute
   can be parsed as an integer, then it is propagated to the `num patch
   bytes` parameter of the statepoint created.

This change intentionally does not assert on a malformed value for these
attributes, given that they're not "official" attributes.

Reviewers: reames, pgavlin

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9735

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237286 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[PlaceSafepoints] Update docs for r237214.
Sanjoy Das [Wed, 13 May 2015 20:11:24 +0000 (20:11 +0000)]
[PlaceSafepoints] Update docs for r237214.

Show the two new ID and NumPatchBytes fields in the PlaceSafepoint
examples in Statepoints.rst to avoid confusion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237285 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[LoopIdiomRecognize] Use auto + range-based loop. NFC intended.
Davide Italiano [Wed, 13 May 2015 19:51:21 +0000 (19:51 +0000)]
[LoopIdiomRecognize] Use auto + range-based loop. NFC intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237284 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[llvm-bcanalyzer] Add -show-binary-blobs option.
Jordan Rose [Wed, 13 May 2015 18:51:49 +0000 (18:51 +0000)]
[llvm-bcanalyzer] Add -show-binary-blobs option.

-dump mode normally omits blob data that contains unprintable characters.
When -show-binary-blobs is passed, it unilaterally escapes all blobs,
allowing those with binary data to be displayed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237276 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoMC: Modernize MCOperand API naming. NFC.
Jim Grosbach [Wed, 13 May 2015 18:37:00 +0000 (18:37 +0000)]
MC: Modernize MCOperand API naming. NFC.

MCOperand::Create*() methods renamed to MCOperand::create*().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237275 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[opaque pointer type] Constant Folding: Use GEPOperator to access the pointee source...
David Blaikie [Wed, 13 May 2015 18:35:29 +0000 (18:35 +0000)]
[opaque pointer type] Constant Folding: Use GEPOperator to access the pointee source type rather than going through the first operand's pointer type

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237274 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[opaque pointer type] Pass the explicit function type down to the instruction constru...
David Blaikie [Wed, 13 May 2015 18:35:26 +0000 (18:35 +0000)]
[opaque pointer type] Pass the explicit function type down to the instruction constructor when parsing invoke instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237273 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[lib/Fuzzer] enable -use_counters=1 by default
Kostya Serebryany [Wed, 13 May 2015 18:31:46 +0000 (18:31 +0000)]
[lib/Fuzzer] enable -use_counters=1 by default

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237272 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[NaryReassociate] avoid running forever
Jingyue Wu [Wed, 13 May 2015 18:12:24 +0000 (18:12 +0000)]
[NaryReassociate] avoid running forever

Avoid running forever by checking we are not reassociating an expression into
the same form.

Tested with @avoid_infinite_loops in nary-add.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237269 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Hexagon] Generate loop1 instruction for nested loops
Brendon Cahoon [Wed, 13 May 2015 17:56:03 +0000 (17:56 +0000)]
[Hexagon] Generate loop1 instruction for nested loops

loop1 is for the outer loop and loop0 is for the inner loop.

Differential Revision: http://reviews.llvm.org/D9680

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237266 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAdd function entry counts from sample profiles.
Diego Novillo [Wed, 13 May 2015 17:04:29 +0000 (17:04 +0000)]
Add function entry counts from sample profiles.

This patch uses the new function profile metadata "function_entry_count"
to annotate entry counts from sample profiles.

In a sampling profile, the total samples collected at the function entry
are an approximation for the number of times that function was invoked.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237265 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] [IAS] Preemptively fix warning introduced by r237255. NFC.
Toma Tabacu [Wed, 13 May 2015 16:02:41 +0000 (16:02 +0000)]
[mips] [IAS] Preemptively fix warning introduced by r237255. NFC.

Some compilers warn about using the ternary operator with an unsigned variable
and enum.
I haven't seen this trigger in the llvm.org buildbots yet, but it probably will
at some point.

Reported by Daniel Sanders.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237262 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoUpdate ELFObjectWriter::reset() following r236255.
Yaron Keren [Wed, 13 May 2015 15:17:19 +0000 (15:17 +0000)]
Update ELFObjectWriter::reset() following r236255.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237261 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAdd function entry count metadata.
Diego Novillo [Wed, 13 May 2015 15:13:45 +0000 (15:13 +0000)]
Add function entry count metadata.

Summary:
This adds three Function methods to handle function entry counts:
setEntryCount() and getEntryCount().

Entry counts are stored under the MD_prof metadata node with the name
"function_entry_count". They are unsigned 64 bit values set by profilers
(instrumentation and sample profiler changes coming up).

Added documentation for new profile metadata and tests.

Reviewers: dexonsmith, bogner

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9628

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237260 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoTest commit: Remove unnecessary spaces.
Teresa Johnson [Wed, 13 May 2015 15:04:14 +0000 (15:04 +0000)]
Test commit: Remove unnecessary spaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237259 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Hexagon] Generate hardware loop when loop has a critical edge
Brendon Cahoon [Wed, 13 May 2015 14:54:24 +0000 (14:54 +0000)]
[Hexagon] Generate hardware loop when loop has a critical edge

The hardware loop pass should try to generate a hardware loop
instruction when the original loop has a critical edge.

Differential Revision: http://reviews.llvm.org/D9678

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237258 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips][microMIPSr6] Implement CLO and CLZ instructions
Jozef Kolek [Wed, 13 May 2015 14:18:11 +0000 (14:18 +0000)]
[mips][microMIPSr6] Implement CLO and CLZ instructions

This patch implements CLO and CLZ instructions using mapping.

Differential Revision: http://reviews.llvm.org/D8553

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237257 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRevert r237247 - [AArch64] Codegen VMAX/VMIN.. as it is causing failures in SPEC2000...
Silviu Baranga [Wed, 13 May 2015 14:03:18 +0000 (14:03 +0000)]
Revert r237247 - [AArch64] Codegen VMAX/VMIN.. as it is causing failures in SPEC2000/2006

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237256 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] [IAS] Unify common functionality of LA and LI.
Toma Tabacu [Wed, 13 May 2015 13:56:16 +0000 (13:56 +0000)]
[mips] [IAS] Unify common functionality of LA and LI.

Summary: A side-effect of this is that LA gains proper handling of unsigned and positive signed 16-bit immediates and more accurate error messages.

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9290

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237255 91177308-0d34-0410-b5e6-96231b3b80d8