oota-llvm.git
7 years agoIR: Remove MDNodeFwdDecl
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 20:36:39 +0000 (20:36 +0000)]
IR: Remove MDNodeFwdDecl

Remove `MDNodeFwdDecl` (as promised in r226481).  Aside from API
changes, there's no real functionality change here.
`MDNode::getTemporary()` now forwards to `MDTuple::getTemporary()`,
which returns a tuple with `isTemporary()` equal to true.

The main point is that we can now add temporaries of other `MDNode`
subclasses, needed for PR22235 (I introduced `MDNodeFwdDecl` in the
first place because I didn't recognize this need, and thought they were
only needed to handle forward references).

A few things left out of (or highlighted by) this commit:

  - I've had to remove the (few) uses of `std::unique_ptr<>` to deal
    with temporaries, since the destructor is no longer public.
    `getTemporary()` should probably return the equivalent of
    `std::unique_ptr<T, MDNode::deleteTemporary>`.
  - `MDLocation::getTemporary()` doesn't exist yet (worse, it actually
    does exist, but does the wrong thing: `MDNode::getTemporary()` is
    inherited and returns an `MDTuple`).
  - `MDNode` now only has one subclass, `UniquableMDNode`, and the
    distinction between them is actually somewhat confusing.

I'll fix those up next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226501 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Updating muxir/ri/ii intrinsics. Setting predicate registers as compatible...
Colin LeMahieu [Mon, 19 Jan 2015 20:31:18 +0000 (20:31 +0000)]
[Hexagon] Updating muxir/ri/ii intrinsics.  Setting predicate registers as compatible with i32 rather than doing custom type conversion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226500 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Extract out and reuse `storeImpl()`, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 20:18:13 +0000 (20:18 +0000)]
IR: Extract out and reuse `storeImpl()`, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226499 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Extract out getUniqued(), NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 20:16:50 +0000 (20:16 +0000)]
IR: Extract out getUniqued(), NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226498 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Reuse `getImpl()` for `getDistinct()`, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 20:14:15 +0000 (20:14 +0000)]
IR: Reuse `getImpl()` for `getDistinct()`, NFC

Merge `getDistinct()`'s implementation with those of `get()` and
`getIfExists()` for both `MDTuple` and `MDLocation`.  This will make it
easier to scale to supporting temporaries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226497 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Move replaceAllUsesWith() back up to MDNode
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:35:21 +0000 (19:35 +0000)]
IR: Move replaceAllUsesWith() back up to MDNode

Move `MDNodeFwdDecl::replaceAllUsesWith()` back up to `MDNode`, but
assert `isTemporary()`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226495 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Be specific about what MDNode::get() returns, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:32:27 +0000 (19:32 +0000)]
IR: Be specific about what MDNode::get() returns, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226494 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoRemove dead code, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:31:09 +0000 (19:31 +0000)]
Remove dead code, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226493 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Simplify MDNode::setOperand(), NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:29:25 +0000 (19:29 +0000)]
IR: Simplify MDNode::setOperand(), NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226492 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Simplify handleChangedOperand() fast path, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:28:28 +0000 (19:28 +0000)]
IR: Simplify handleChangedOperand() fast path, NFC

Use `isUniqued()` instead of `isStoredDistinctInContext()`, and remove
an assertion that won't be valid once temporaries are merged back in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226491 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Remove direct comparisons against Metadata::Storage, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:26:24 +0000 (19:26 +0000)]
IR: Remove direct comparisons against Metadata::Storage, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226490 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Assert that resolve() is only called on uniqued nodes, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:25:33 +0000 (19:25 +0000)]
IR: Assert that resolve() is only called on uniqued nodes, NFC

Add an assertion in `UniquableMDNode::resolve()` to prevent temporaries
from being resolved (once they're merged back in).  Needed to shuffle
order of `resolve()` and `storeDistinctInContext()` to prevent it from
firing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226489 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Remove isa<UniquableMDNode>, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:10:14 +0000 (19:10 +0000)]
IR: Remove isa<UniquableMDNode>, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226488 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Simplify DIBuilder::trackIfUnresolved(), NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:09:14 +0000 (19:09 +0000)]
IR: Simplify DIBuilder::trackIfUnresolved(), NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226487 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Remove isa<MDNodeFwdDecl>, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:06:41 +0000 (19:06 +0000)]
IR: Remove isa<MDNodeFwdDecl>, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226486 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Unify code for MDNode::isResolved(), NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:03:18 +0000 (19:03 +0000)]
IR: Unify code for MDNode::isResolved(), NFC

Unify the definitions of `MDNode::isResolved()` and
`UniquableMDNode::isResolved()`.  Previously, `UniquableMDNode` could
answer this question more efficiently, but now that RAUW support has
been unified with `MDNodeFwdDecl`, `MDNode` doesn't need any casts to
figure out the answer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226485 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Store RAUW support and Context in the same pointer, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 19:02:06 +0000 (19:02 +0000)]
IR: Store RAUW support and Context in the same pointer, NFC

Add an `LLVMContext &` to `ReplaceableMetadataImpl`, create a class that
either holds a reference to an `LLVMContext` or owns a
`ReplaceableMetadataImpl`, and use the new class in `MDNode`.

  - This saves a pointer in `UniquableMDNode` at the cost of a pointer
    in `ValueAsMetadata` (which didn't used to store the `LLVMContext`).
    There are far more of the former.
  - Unifies RAUW support between `MDNodeFwdDecl` (which is going away,
    see r226481) and `UniquableMDNode`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226484 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Converting intrinsics combine imm/imm, simple shifts and extends.
Colin LeMahieu [Mon, 19 Jan 2015 18:56:19 +0000 (18:56 +0000)]
[Hexagon] Converting intrinsics combine imm/imm, simple shifts and extends.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226483 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Add isUniqued() and isTemporary()
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 18:45:35 +0000 (18:45 +0000)]
IR: Add isUniqued() and isTemporary()

Change `MDNode::isDistinct()` to only apply to 'distinct' nodes (not
temporaries), and introduce `MDNode::isUniqued()` and
`MDNode::isTemporary()` for the other two possibilities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226482 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoIR: Use an enum to describe Metadata storage, NFC
Duncan P. N. Exon Smith [Mon, 19 Jan 2015 18:36:18 +0000 (18:36 +0000)]
IR: Use an enum to describe Metadata storage, NFC

More clearly describe the type of storage used for `Metadata`.

  - `Uniqued`: uniqued, stored in the context.
  - `Distinct`: distinct, stored in the context.
  - `Temporary`: not owned by anyone.

This is the first in a series of commits to fix a design problem with
`MDNodeFwdDecl` that I need to solve for PR22235.  While `MDNodeFwdDecl`
works well as a forward declaration, we use `MDNode::getTemporary()` for
more than forward declarations -- we also need to create early versions
of nodes (with fields not filled in) that we'll fill out later (see
`DIBuilder::finalize()` and `CGDebugInfo::finalize()` for examples).
This was a blind spot I had when I introduced `MDNodeFwdDecl` (which
David Blaikie (indirectly) highlighted in an unrelated review [1]).

[1]: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20150112/252381.html

In general, we need `MDTuple::getTemporary()` to give a temporary tuple
(like `MDNodeFwdDecl`), `MDLocation::getTemporary()` to give a temporary
location, and (the problem at hand) `GenericDebugMDNode::getTemporary()`
to give a temporary generic debug node.

So I need to fold the idea of "temporary" nodes back into
`UniquableMDNode`.  (More commits to follow as I refactor.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226481 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Converting remaining ALU32/ALU intrinsics.
Colin LeMahieu [Mon, 19 Jan 2015 18:33:58 +0000 (18:33 +0000)]
[Hexagon] Converting remaining ALU32/ALU intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226480 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Converting ALU32/ALU intrinsics to new patterns.
Colin LeMahieu [Mon, 19 Jan 2015 18:22:19 +0000 (18:22 +0000)]
[Hexagon] Converting ALU32/ALU intrinsics to new patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226478 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoRemove support for DIVariable's FlagIndirectVariable and expect
Adrian Prantl [Mon, 19 Jan 2015 17:57:29 +0000 (17:57 +0000)]
Remove support for DIVariable's FlagIndirectVariable and expect
frontends to use a DIExpression with a DW_OP_deref instead.

This is not only a much more natural place for this informationl; there
is also a technical reason: The FlagIndirectVariable is used to mark a
variable that is turned into a reference by virtue of the calling
convention; this happens for example to aggregate return values.
The inliner, for example, may actually need to undo this indirection to
correctly represent the value in its new context. This is impossible to
implement because the DIVariable can't be safely modified. We can however
safely construct a new DIExpression on the fly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226476 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[AArch64] Implement GHC calling convention
Greg Fitzgerald [Mon, 19 Jan 2015 17:40:05 +0000 (17:40 +0000)]
[AArch64] Implement GHC calling convention

Original patch by Luke Iannini.  Minor improvements and test added by
Erik de Castro Lopo.

Differential Revision: http://reviews.llvm.org/D6877

From: Erik de Castro Lopo <erikd@mega-nerd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226473 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Converting halfword to double accumulating multiply intrinsics.
Colin LeMahieu [Mon, 19 Jan 2015 17:36:32 +0000 (17:36 +0000)]
[Hexagon] Converting halfword to double accumulating multiply intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226472 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoProduce errors when an assignment expression would use a common symbol.
Rafael Espindola [Mon, 19 Jan 2015 17:30:24 +0000 (17:30 +0000)]
Produce errors when an assignment expression would use a common symbol.

An assignment will produce a symbol with a given section and offset. There is
no way to represent something like "1 byte after a common symbol".

This matches the behavior of GNU as.

Part of PR22217.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226470 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[ARM] SSAT/USAT with an 'asr #32' shift should result in an undefined encoding rather...
Bradley Smith [Mon, 19 Jan 2015 16:37:17 +0000 (16:37 +0000)]
[ARM] SSAT/USAT with an 'asr #32' shift should result in an undefined encoding rather than unpredictable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226469 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[ARM] Fixup sign extend instruction availability w.r.t. DSP extension
Bradley Smith [Mon, 19 Jan 2015 16:36:02 +0000 (16:36 +0000)]
[ARM] Fixup sign extend instruction availability w.r.t. DSP extension

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226468 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoBring r226038 back.
Rafael Espindola [Mon, 19 Jan 2015 15:16:06 +0000 (15:16 +0000)]
Bring r226038 back.

No change in this commit, but clang was changed to also produce trivial comdats when
needed.

Original message:

Don't create new comdats in CodeGen.

This patch stops the implicit creation of comdats during codegen.

Clang now sets the comdat explicitly when it is required. With this patch clang and gcc
now produce the same result in pr19848.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226467 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Replace the Pass argument to SplitEdge with specific analyses used
Chandler Carruth [Mon, 19 Jan 2015 12:36:53 +0000 (12:36 +0000)]
[PM] Replace the Pass argument to SplitEdge with specific analyses used
and updated.

This may appear to remove handling for things like alias analysis when
splitting critical edges here, but in fact no callers of SplitEdge
relied on this. Similarly, all of them wanted to preserve LCSSA if there
was any update of the loop info. That makes the interface much simpler.

With this, all of BasicBlockUtils.h is free of Pass arguments and
prepared for the new pass manager. This is tho majority of utilities
that relied on pass arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226459 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Cleanup a dead option to critical edge splitting that I noticed
Chandler Carruth [Mon, 19 Jan 2015 12:12:00 +0000 (12:12 +0000)]
[PM] Cleanup a dead option to critical edge splitting that I noticed
while refactoring this API for the new pass manager.

No functionality changed here, the code didn't actually support this
option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226457 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Remove the Pass argument from all of the critical edge splitting
Chandler Carruth [Mon, 19 Jan 2015 12:09:11 +0000 (12:09 +0000)]
[PM] Remove the Pass argument from all of the critical edge splitting
APIs and replace it and numerous booleans with an option struct.

The critical edge splitting API has a really large surface of flags and
so it seems worth burning a small option struct / builder. This struct
can be constructed with the various preserved analyses and then flags
can be flipped in a builder style.

The various users are now responsible for directly passing along their
analysis information. This should be enough for the critical edge
splitting to work cleanly with the new pass manager as well.

This API is still pretty crufty and could be cleaned up a lot, but I've
focused on this change just threading an option struct rather than
a pass through the API.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226456 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[NFC] Update createMachineScheduler() comment
Sergey Dmitrouk [Mon, 19 Jan 2015 12:02:25 +0000 (12:02 +0000)]
[NFC] Update createMachineScheduler() comment

It became invalid after signature changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226455 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoSuppress the newly added Clang warning for the inaccessible base in this
Chandler Carruth [Mon, 19 Jan 2015 10:43:00 +0000 (10:43 +0000)]
Suppress the newly added Clang warning for the inaccessible base in this
test. Do that after we suppress the warnings for unknown pragmas as this
warning flag is quite new in Clang and so old Clang's would warn all the
time on this file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226444 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Relax asserts and always try to reconstruct loop simplify form when
Chandler Carruth [Mon, 19 Jan 2015 10:23:00 +0000 (10:23 +0000)]
[PM] Relax asserts and always try to reconstruct loop simplify form when
we can while splitting critical edges.

The only code which called this and didn't require simplified loops to
be preserved is polly, and the code behaves correctly there anyways.
Without this change, it becomes really hard to share this code with the
new pass manager where things like preserving loop simplify form don't
make any sense.

If anyone discovers this code behaving incorrectly, what it *should* be
testing for is whether the loops it needs to be in simplified form are
in fact in that form. It should always be trying to preserve that form
when it exists.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226443 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoSLPVectorizer: limit the number of alias checks to reduce the runtime.
Erik Eckstein [Mon, 19 Jan 2015 09:33:38 +0000 (09:33 +0000)]
SLPVectorizer: limit the number of alias checks to reduce the runtime.

In case of blocks with many memory-accessing instructions, alias checking can take lot of time
(because calculating the memory dependencies has quadratic complexity).
I chose a limit which resulted in no changes when running the benchmarks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226439 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PowerPC] Minor correction to r226432
Hal Finkel [Mon, 19 Jan 2015 07:44:45 +0000 (07:44 +0000)]
[PowerPC] Minor correction to r226432

We don't need to exclude patchpoints from the implicit r2 dependence in
FastISel because it is added as an implicit operand and, thus, should not
confuse that StackMap code.

By inspection / no test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226434 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[MIScheduler] Slightly better handling of constrainLocalCopy when both source and...
Michael Kuperstein [Mon, 19 Jan 2015 07:30:47 +0000 (07:30 +0000)]
[MIScheduler] Slightly better handling of constrainLocalCopy when both source and dest are local
This fixes PR21792.

Differential Revision: http://reviews.llvm.org/D6823

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226433 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PowerPC] Add r2 as an operand for all calls under both PPC64 ELF V1 and V2
Hal Finkel [Mon, 19 Jan 2015 07:20:27 +0000 (07:20 +0000)]
[PowerPC] Add r2 as an operand for all calls under both PPC64 ELF V1 and V2

Our PPC64 ELF V2 call lowering logic added r2 as an operand to all direct call
instructions in order to represent the dependency on the TOC base pointer
value. Restricting this to ELF V2, however, does not seem to make sense: calls
under ELF V1 have the same dependence, and indirect calls have an r2 dependence
just as direct ones. Make sure the dependence is noted for all calls under both
ELF V1 and ELF V2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226432 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[x86] Change AVX512 intrinsics to take a 8-bit immediate for the comparision kind...
Craig Topper [Mon, 19 Jan 2015 06:07:27 +0000 (06:07 +0000)]
[x86] Change AVX512 intrinsics to take a 8-bit immediate for the comparision kind instead of a 32-bit immediate. This better aligns with the emitted instruction. It also matches SSE and AVX1 equivalents. Also add auto upgrade support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226430 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[tinyptrvector] Add in a MutableArrayRef implicit conversion operator to complement...
Michael Gottesman [Mon, 19 Jan 2015 03:25:33 +0000 (03:25 +0000)]
[tinyptrvector] Add in a MutableArrayRef implicit conversion operator to complement the ArrayRef implicit conversion operator.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226428 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Lift the analyses into the interface for
Chandler Carruth [Mon, 19 Jan 2015 03:03:39 +0000 (03:03 +0000)]
[PM] Lift the analyses into the interface for
SplitLandingPadPredecessors and remove the Pass argument from its
interface.

Another step to the utilities being usable with both old and new pass
managers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226426 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoChange using => typedef to please the MSVC bots.
Michael Gottesman [Mon, 19 Jan 2015 02:38:16 +0000 (02:38 +0000)]
Change using => typedef to please the MSVC bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226425 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoHide the state of TinyPtrVector and remove the single element constructor.
Michael Gottesman [Mon, 19 Jan 2015 02:09:54 +0000 (02:09 +0000)]
Hide the state of TinyPtrVector and remove the single element constructor.

There is no reason for this state to be exposed as public. The single element
constructor was superfulous in light of the single element ArrayRef
constructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226424 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoReorder.
NAKAMURA Takumi [Mon, 19 Jan 2015 00:35:33 +0000 (00:35 +0000)]
Reorder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226419 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[CMake] examples/Kaleidoscope: Prune redundant libdeps.
NAKAMURA Takumi [Mon, 19 Jan 2015 00:35:25 +0000 (00:35 +0000)]
[CMake] examples/Kaleidoscope: Prune redundant libdeps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226418 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[CMake] Update libdeps in examples/Kaleidoscope/Chapter4.
NAKAMURA Takumi [Mon, 19 Jan 2015 00:35:18 +0000 (00:35 +0000)]
[CMake] Update libdeps in examples/Kaleidoscope/Chapter4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226417 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agounique_ptrify the RelInfo parameter to TargetRegistry::createMCSymbolizer
David Blaikie [Sun, 18 Jan 2015 20:45:48 +0000 (20:45 +0000)]
unique_ptrify the RelInfo parameter to TargetRegistry::createMCSymbolizer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226416 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoAttempt to fix the MSVC build by working around a layering issue
David Blaikie [Sun, 18 Jan 2015 20:43:57 +0000 (20:43 +0000)]
Attempt to fix the MSVC build by working around a layering issue

Since MCStreamer isn't part of Support, the dtor can't be called from
here - so just pass by reference instead. This is rather imperfect, but
will hopefully suffice.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226415 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agostd::unique_ptrify the MCStreamer argument to createAsmPrinter
David Blaikie [Sun, 18 Jan 2015 20:29:04 +0000 (20:29 +0000)]
std::unique_ptrify the MCStreamer argument to createAsmPrinter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226414 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoR600: Remove redundant test
Matt Arsenault [Sun, 18 Jan 2015 19:30:32 +0000 (19:30 +0000)]
R600: Remove redundant test

This is already covered in ftrunc.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226412 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[mips] 'CHECK :' is not a valid check directive. Fixed.
Daniel Sanders [Sun, 18 Jan 2015 18:43:10 +0000 (18:43 +0000)]
[mips] 'CHECK :' is not a valid check directive. Fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226409 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[mips] Make whitespace in disassembler tests more consistent. NFC.
Daniel Sanders [Sun, 18 Jan 2015 18:38:36 +0000 (18:38 +0000)]
[mips] Make whitespace in disassembler tests more consistent. NFC.

The tests for the ISA's should now be approximately diffable. That is, the
output of 'diff valid-mips1.txt valid-mips2.txt' should be emit the lines
for instructions that were added/removed to/from MIPS-I by MIPS-II. This
doesn't work perfectly at the moment due to ordering differences but it
should be close.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226408 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[mips] Make whitespace of disassembler tests more consistent by removing blank lines...
Daniel Sanders [Sun, 18 Jan 2015 18:21:19 +0000 (18:21 +0000)]
[mips] Make whitespace of disassembler tests more consistent by removing blank lines. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226407 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[X86][SSE] Added scalar min/max folding tests. NFC.
Simon Pilgrim [Sun, 18 Jan 2015 18:06:23 +0000 (18:06 +0000)]
[X86][SSE] Added scalar min/max folding tests. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226406 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[X86][SSE] Added float extract and xmm extract/insert stack folding tests. NFC.
Simon Pilgrim [Sun, 18 Jan 2015 17:04:32 +0000 (17:04 +0000)]
[X86][SSE] Added float extract and xmm extract/insert stack folding tests. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226405 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[X86][SSE] Added scalar conversion stack folding tests. NFC.
Simon Pilgrim [Sun, 18 Jan 2015 16:22:15 +0000 (16:22 +0000)]
[X86][SSE] Added scalar conversion stack folding tests. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226404 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PowerPC] Don't hard-code R2 as register when processing TOC relocations
Hal Finkel [Sun, 18 Jan 2015 15:59:44 +0000 (15:59 +0000)]
[PowerPC] Don't hard-code R2 as register when processing TOC relocations

Instructions that have high-order TOC relocations always carry R2 as their base
register, so it does not matter whether we take the register from the
instruction or just hard-code it in PPCAsmPrinter. In the future, however, we
might want to apply these relocations to instructions using a different
register, so taking the register from the instruction is a better thing to do.
No change in functionality here, however.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226403 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PowerPC] Add some FIXMEs for fastcc and FPR <-> GPR moves
Hal Finkel [Sun, 18 Jan 2015 14:31:10 +0000 (14:31 +0000)]
[PowerPC] Add some FIXMEs for fastcc and FPR <-> GPR moves

So we don't forget, once we support FPR <-> GPR moves on the P8, we'll likely
want to re-visit this part of the calling convention.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226401 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoAVX1 stack folding tests. NFC.
Simon Pilgrim [Sun, 18 Jan 2015 12:56:39 +0000 (12:56 +0000)]
AVX1 stack folding tests. NFC.

Begun adding more exhaustive tests - all floating point instructions should now be either tested or have placeholders. We do seem to have a number of missing instructions, I will add a patch for review once the remaining working instructions are added.

I'll then move on to SSE tests and then the integer instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226400 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PowerPC] Initial PPC64 calling-convention changes for fastcc
Hal Finkel [Sun, 18 Jan 2015 12:08:47 +0000 (12:08 +0000)]
[PowerPC] Initial PPC64 calling-convention changes for fastcc

The default calling convention specified by the PPC64 ELF (V1 and V2) ABI is
designed to work with both prototyped and non-prototyped/varargs functions. As
a result, GPRs and stack space are allocated for every argument, even those
that are passed in floating-point or vector registers.

GlobalOpt::OptimizeFunctions will transform local non-varargs functions (that
do not have their address taken) to use the 'fast' calling convention.

When functions are using the 'fast' calling convention, don't allocate GPRs for
arguments passed in other types of registers, and don't allocate stack space for
arguments passed in registers. Other changes for the fast calling convention
may be added in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226399 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Pull the analyses used for another utility routine into its API
Chandler Carruth [Sun, 18 Jan 2015 09:21:15 +0000 (09:21 +0000)]
[PM] Pull the analyses used for another utility routine into its API
rather than relying on the pass object.

This one is a bit annoying, but will pay off. First, supporting this one
will make the next one much easier, and for utilities like LoopSimplify,
this is moving them (slowly) closer to not having to pass the pass
object around throughout their APIs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226396 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Sink the specific analyses preserved by SplitBlock into its
Chandler Carruth [Sun, 18 Jan 2015 02:39:37 +0000 (02:39 +0000)]
[PM] Sink the specific analyses preserved by SplitBlock into its
interface, removing Pass from its interface.

This also makes those analyses optional so that passes which don't even
preserve these (or use them) can skip the logic entirely.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226394 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Replace another Pass argument with specific analyses that are
Chandler Carruth [Sun, 18 Jan 2015 02:11:23 +0000 (02:11 +0000)]
[PM] Replace another Pass argument with specific analyses that are
optionally updated by MergeBlockIntoPredecessors.

No functionality changed, just refactoring to clear the way for the new
pass manager.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226392 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Refactor how the LoopRotation pass access the DominatorTree.
Chandler Carruth [Sun, 18 Jan 2015 02:08:05 +0000 (02:08 +0000)]
[PM] Refactor how the LoopRotation pass access the DominatorTree.

Instead of querying the pass every where we need to, do that once and
cache a pointer in the pass object. This is both simpler and I'm about
to add yet another place where we need to dig out that pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226391 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Lift the actual analyses used into the inferface rather than
Chandler Carruth [Sun, 18 Jan 2015 01:45:07 +0000 (01:45 +0000)]
[PM] Lift the actual analyses used into the inferface rather than
accepting a Pass and querying it for analyses.

This is necessary to allow the utilities to work both with the old and
new pass managers, and I also think this makes the interface much more
clear and helps the reader know what analyses the utility can actually
handle. I plan to repeat this process iteratively to clean up all the
pass utilities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226386 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Now that LoopInfo isn't in the Pass type hierarchy, it is much
Chandler Carruth [Sun, 18 Jan 2015 01:25:51 +0000 (01:25 +0000)]
[PM] Now that LoopInfo isn't in the Pass type hierarchy, it is much
cleaner to derive from the generic base.

Thise removes a ton of boiler plate code and somewhat strange and
pointless indirections. It also remove a bunch of the previously needed
friend declarations. To fully remove these, I also lifted the verify
logic into the generic LoopInfoBase, which seems good anyways -- it is
generic and useful logic even for the machine side.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226385 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Cleanup more warnings my refactoring exposed where now we have
Chandler Carruth [Sat, 17 Jan 2015 14:49:23 +0000 (14:49 +0000)]
[PM] Cleanup more warnings my refactoring exposed where now we have
unused variables in a no-asserts build.

I've fixed this by putting the entire loop behind an #ifndef as it
contains nothing other than asserts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226377 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Remove a dead field.
Chandler Carruth [Sat, 17 Jan 2015 14:31:35 +0000 (14:31 +0000)]
[PM] Remove a dead field.

This was dead even before I refactored how we initialized it, but my
refactoring made it trivially dead and it is now caught by a Clang
warning. This fixes the warning and should clean up the -Werror bot
failures (sorry!).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226376 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PM] Split the LoopInfo object apart from the legacy pass, creating
Chandler Carruth [Sat, 17 Jan 2015 14:16:18 +0000 (14:16 +0000)]
[PM] Split the LoopInfo object apart from the legacy pass, creating
a LoopInfoWrapperPass to wire the object up to the legacy pass manager.

This switches all the clients of LoopInfo over and paves the way to port
LoopInfo to the new pass manager. No functionality change is intended
with this iteration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226373 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[PowerPC] Don't list R11 as a patchpoint scratch register
Hal Finkel [Sat, 17 Jan 2015 03:57:34 +0000 (03:57 +0000)]
[PowerPC] Don't list R11 as a patchpoint scratch register

R11's status is the same under both the PPC64 ELF V1 and V2 ABIs: it is
reserved for use as an "environment pointer" for compilation models that
require such a thing. We don't, we also don't need a second scratch register,
and because we support only "local" patchpoint call targets, we might as well
let R11 be used for anyregcc patchpoints.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226369 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoProgrammersManual.rst: fix a typo
Hans Wennborg [Sat, 17 Jan 2015 03:19:21 +0000 (03:19 +0000)]
ProgrammersManual.rst: fix a typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226367 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoImprove DAG combine pass on certain IR vector patterns
Mehdi Amini [Sat, 17 Jan 2015 01:35:56 +0000 (01:35 +0000)]
Improve DAG combine pass on certain IR vector patterns

Loading 2 2x32-bit float vectors into the bottom half of a 256-bit vector
produced suboptimal code in AVX2 mode with certain IR combinations.

In particular, the IR optimizer folded 2f32 + 2f32 -> 4f32, 4f32 + 4f32
(undef) -> 8f32 into a 2f32 + 2f32 -> 8f32, which seems more canonical,
but then mysteriously generated rather bad code; the movq/movhpd combination
didn't match.

The problem lay in the BUILD_VECTOR optimization path. The 2f32 inputs
would get promoted to 4f32 by the type legalizer, eventually resulting
in a BUILD_VECTOR on two 4f32 into an 8f32. The BUILD_VECTOR then, recognizing
these were both half the output size, concatted them and then produced
a shuffle. However, the resulting concat + shuffle was more complex than
it should be; in the case where the upper half of the output is undef, we
probably want to generate shuffle + concat instead.

This enhancement causes the vector_shuffle combine step to recognize this
suboptimal pattern and correct it. I included it there instead of in BUILD_VECTOR
in case the same suboptimal pattern occurs for other reasons.

This results in the optimizer correctly producing the optimal movq + movhpd
sequence for all three variations on this IR, even with AVX2.

I've included a test case.

Radar link: rdar://problem/19287012
Fix for PR 21943.

From: Fiona Glaser <fglaser@apple.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226360 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[RuntimeDyld] Tidy up emitCommonSymbols a little. NFC.
Lang Hames [Sat, 17 Jan 2015 00:55:05 +0000 (00:55 +0000)]
[RuntimeDyld] Tidy up emitCommonSymbols a little. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226358 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoRemove std::move that was preventing return value optimization.
Richard Trieu [Sat, 17 Jan 2015 00:46:44 +0000 (00:46 +0000)]
Remove std::move that was preventing return value optimization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226356 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoRegisterCoalescer: Cleanup and improved comment for a subtle detail.
Matthias Braun [Sat, 17 Jan 2015 00:33:13 +0000 (00:33 +0000)]
RegisterCoalescer: Cleanup and improved comment for a subtle detail.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226353 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoRegisterCoalescer: Cleanup by factoring out a common expression
Matthias Braun [Sat, 17 Jan 2015 00:33:11 +0000 (00:33 +0000)]
RegisterCoalescer: Cleanup by factoring out a common expression

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226352 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoRegisterCoalescer: Cleanup comment style
Matthias Braun [Sat, 17 Jan 2015 00:33:09 +0000 (00:33 +0000)]
RegisterCoalescer: Cleanup comment style

- Consistenly put comments above the function declaration, not the
  definition. To achieve this some duplicate comments got merged and
  some comment parts describing implementation details got moved into their
  functions.
- Consistently use doxygen comments above functions.
- Do not use doxygen comments inside functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226351 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoRegisterCoalescer: Drive-by typo + whitespace fix
Matthias Braun [Sat, 17 Jan 2015 00:33:06 +0000 (00:33 +0000)]
RegisterCoalescer: Drive-by typo + whitespace fix

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226350 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[RuntimeDyld] Remove the brace initialization that was introduced in r226341.
Lang Hames [Sat, 17 Jan 2015 00:32:56 +0000 (00:32 +0000)]
[RuntimeDyld] Remove the brace initialization that was introduced in r226341.
Evidently MSVC doesn't like it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226349 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoChange the test case for llvm-objdump’s -archive-headers option to not check the...
Kevin Enderby [Fri, 16 Jan 2015 23:29:07 +0000 (23:29 +0000)]
Change the test case for llvm-objdump’s -archive-headers option to not check the size
while I once again try to figure out why only the clang-cmake-armv7-a15-full bot
is getting that value wrong.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226345 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoUpdate a comment
Philip Reames [Fri, 16 Jan 2015 23:21:07 +0000 (23:21 +0000)]
Update a comment

Be a bit more explicit about the fact that addrspace(1) is not reserved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226344 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoclang-format all the GC related files (NFC)
Philip Reames [Fri, 16 Jan 2015 23:16:12 +0000 (23:16 +0000)]
clang-format all the GC related files (NFC)

Nothing interesting here...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226342 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[RuntimeDyld] Track symbol visibility in RuntimeDyld.
Lang Hames [Fri, 16 Jan 2015 23:13:56 +0000 (23:13 +0000)]
[RuntimeDyld] Track symbol visibility in RuntimeDyld.

RuntimeDyld symbol info previously consisted of just a Section/Offset pair. This
patch replaces that pair type with a SymbolInfo class that also tracks symbol
visibility. A new method, RuntimeDyld::getExportedSymbolLoadAddress, is
introduced which only returns a non-zero result for exported symbols. For
non-exported or non-existant symbols this method will return zero. The
RuntimeDyld::getSymbolAddress method retains its current behavior, returning
non-zero results for all symbols regardless of visibility.

No in-tree clients of RuntimeDyld are changed. The newly introduced
functionality will be used by the Orc APIs.

No test case: Since this patch doesn't modify the behavior for any in-tree
clients we don't have a good tool to test this with yet. Once Orc is in we can
use it to write regression tests that test these changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226341 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoR600: Clean up floor tests
Matt Arsenault [Fri, 16 Jan 2015 22:11:00 +0000 (22:11 +0000)]
R600: Clean up floor tests

These were using different naming schemes,
not using multiple check prefixes and not using
-LABEL.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226333 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoFix the Archive::Child::getRawSize() method used by llvm-objdump’s -archive-headers...
Kevin Enderby [Fri, 16 Jan 2015 22:10:36 +0000 (22:10 +0000)]
Fix the Archive::Child::getRawSize() method used by llvm-objdump’s -archive-headers option
and tweak its use in llvm-objdump.  Add back the test case for the -archive-headers option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226332 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Kaleidoscope] Run clang-format over chapter 4 of kaleidoscope.
Lang Hames [Fri, 16 Jan 2015 21:42:07 +0000 (21:42 +0000)]
[Kaleidoscope] Run clang-format over chapter 4 of kaleidoscope.

I forgot to do this for r226308. Thanks to Eric Christopher for the reminder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226327 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Converting halfword to doubleword multiply intrinsics.
Colin LeMahieu [Fri, 16 Jan 2015 21:41:57 +0000 (21:41 +0000)]
[Hexagon] Converting halfword to doubleword multiply intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226326 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Converting accumulating halfword multiply intrinsics to patterns.
Colin LeMahieu [Fri, 16 Jan 2015 21:36:34 +0000 (21:36 +0000)]
[Hexagon] Converting accumulating halfword multiply intrinsics to patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226324 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Beginning converting intrinsics to patterns instead of duplicated definitio...
Colin LeMahieu [Fri, 16 Jan 2015 20:38:54 +0000 (20:38 +0000)]
[Hexagon] Beginning converting intrinsics to patterns instead of duplicated definitions.  Converting halfword multiply intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226318 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[RuntimeDyld] Add 'stub_addr' to comment describing RuntimeDyldChecker's syntax.
Lang Hames [Fri, 16 Jan 2015 20:31:38 +0000 (20:31 +0000)]
[RuntimeDyld] Add 'stub_addr' to comment describing RuntimeDyldChecker's syntax.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226316 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Fix 226309, replacement atomic store patterns didn't actually exist, added...
Colin LeMahieu [Fri, 16 Jan 2015 20:16:14 +0000 (20:16 +0000)]
[Hexagon] Fix 226309, replacement atomic store patterns didn't actually exist, added new versions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226315 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agollvm-readobj: add IMAGE_REL_ARM_MOV32(T) to the enumeration
Saleem Abdulrasool [Fri, 16 Jan 2015 20:16:09 +0000 (20:16 +0000)]
llvm-readobj: add IMAGE_REL_ARM_MOV32(T) to the enumeration

Add an additional based relocation to the enumeration of based relocation names.
The lack of the enumerator value causes issues when inspecting WoA binaries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226314 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoX86: fix comment typo in AsmParser
Saleem Abdulrasool [Fri, 16 Jan 2015 20:16:06 +0000 (20:16 +0000)]
X86: fix comment typo in AsmParser

Fix a typo.  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226313 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoMove ownership of GCStrategy objects to LLVMContext
Philip Reames [Fri, 16 Jan 2015 20:07:33 +0000 (20:07 +0000)]
Move ownership of GCStrategy objects to LLVMContext

Note: This change ended up being slightly more controversial than expected.  Chandler has tentatively okayed this for the moment, but I may be revisiting this in the near future after we settle some high level questions.

Rather than have the GCStrategy object owned by the GCModuleInfo - which is an immutable analysis pass used mainly by gc.root - have it be owned by the LLVMContext. This simplifies the ownership logic (i.e. can you have two instances of the same strategy at once?), but more importantly, allows us to access the GCStrategy in the middle end optimizer. To this end, I add an accessor through Function which becomes the canonical way to get at a GCStrategy instance.

In the near future, this will allows me to move some of the checks from http://reviews.llvm.org/D6808 into the Verifier itself, and to introduce optimization legality predicates for some of the recent additions to InstCombine. (These will follow as separate changes.)

Differential Revision: http://reviews.llvm.org/D6811

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226311 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Removing old duplicate atomic load/store patterns.
Colin LeMahieu [Fri, 16 Jan 2015 19:53:35 +0000 (19:53 +0000)]
[Hexagon] Removing old duplicate atomic load/store patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226309 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Kaleidoscope] Fix a bug in Chapter 4 of the Kaleidoscope tutorial where repeat
Lang Hames [Fri, 16 Jan 2015 19:44:46 +0000 (19:44 +0000)]
[Kaleidoscope] Fix a bug in Chapter 4 of the Kaleidoscope tutorial where repeat
calls to functions weren't evaluated correctly.

Patch by Charlie Turner. Thanks Charlie!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226308 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoRemove gc.root's findCustomSafePoints mechanism
Philip Reames [Fri, 16 Jan 2015 19:33:28 +0000 (19:33 +0000)]
Remove gc.root's findCustomSafePoints mechanism

Searching all of the existing gc.root implementations I'm aware of (all three of them), there was exactly one use of this mechanism, and that was to implement a performance improvement that should have been applied to the default lowering.

Having this function is requiring a dependency on a CodeGen class (MachineFunction), in a class which is otherwise completely independent of CodeGen. I could solve this differently, but given that I see absolutely no value in preserving this mechanism, I going to just get rid of it.

Note: Tis is the first time I'm intentionally breaking previously supported gc.root functionality. Given 3.6 has branched, I believe this is a good time to do this.

Differential Revision: http://reviews.llvm.org/D7004

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226305 91177308-0d34-0410-b5e6-96231b3b80d8

7 years ago[Hexagon] Converting old patterns to new versions using classes.
Colin LeMahieu [Fri, 16 Jan 2015 19:29:59 +0000 (19:29 +0000)]
[Hexagon] Converting old patterns to new versions using classes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226304 91177308-0d34-0410-b5e6-96231b3b80d8

7 years agoCheck commit access
Sumanth Gundapaneni [Fri, 16 Jan 2015 19:23:34 +0000 (19:23 +0000)]
Check commit access

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226302 91177308-0d34-0410-b5e6-96231b3b80d8