oota-llvm.git
9 years ago[x86] Teach a bunch of the x86-specific shuffle combining to work with
Chandler Carruth [Fri, 27 Feb 2015 11:45:13 +0000 (11:45 +0000)]
[x86] Teach a bunch of the x86-specific shuffle combining to work with
256-bit vectors as well as 128-bit vectors. Fixes some of the redundant
shuffles for v16i16.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230752 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Make the v8i16 clever single-input shuffle lowering usable for
Chandler Carruth [Fri, 27 Feb 2015 11:33:46 +0000 (11:33 +0000)]
[x86] Make the v8i16 clever single-input shuffle lowering usable for
repeated 128-bit lane shuffles of wider vector types and use it to lower
256-bit v16i16 vector shuffles where applicable.

This should let us perfectly lowering the pattern of pshuflw and pshufhw
even for AVX2 256-bit patterns.

I've not added AVX-512 support, but it should be trivial for someone
working on that to wire up.

Note that currently this generates bad, long shuffle chains because we
don't combine 256-bit target shuffles. The subsequent patches will fix
that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230751 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Add a bunch more tests for v16i16 shuffles. All of these are taken
Chandler Carruth [Fri, 27 Feb 2015 11:25:10 +0000 (11:25 +0000)]
[x86] Add a bunch more tests for v16i16 shuffles. All of these are taken
by mirroring v8i16 test cases across both 128-bit lanes. This should
highlight problems where we aren't correctly using 128-bit shuffles to
implement things.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230750 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] Remove redundant periods from -mattr=help descriptions for MIPS.
Toma Tabacu [Fri, 27 Feb 2015 10:44:02 +0000 (10:44 +0000)]
[mips] Remove redundant periods from -mattr=help descriptions for MIPS.

Summary: Also fixes an infringement of the 80-column limit rule.

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7910

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230748 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[llvm-pdbdump] Fix member initialization order warnings.
Zachary Turner [Fri, 27 Feb 2015 09:53:55 +0000 (09:53 +0000)]
[llvm-pdbdump] Fix member initialization order warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230747 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[llvm-pdbdump] Colorize output.
Zachary Turner [Fri, 27 Feb 2015 09:15:59 +0000 (09:15 +0000)]
[llvm-pdbdump] Colorize output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230746 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[llvm-pdbdump] Fix warnings found by clang-cl self host.
Zachary Turner [Fri, 27 Feb 2015 09:15:31 +0000 (09:15 +0000)]
[llvm-pdbdump] Fix warnings found by clang-cl self host.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230745 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[llvm-pdbdump] Add support for dumping global variables.
Zachary Turner [Fri, 27 Feb 2015 09:15:18 +0000 (09:15 +0000)]
[llvm-pdbdump] Add support for dumping global variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230744 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Make the single-input v8i16 lowering directly recurse rather than
Chandler Carruth [Fri, 27 Feb 2015 09:11:38 +0000 (09:11 +0000)]
[x86] Make the single-input v8i16 lowering directly recurse rather than
going back through the entire vector shuffle lowering.

This is an important step to being able to re-use this logic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230743 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[mips] Account for constant-zero operands in ADDE nodes.
Vasileios Kalintiris [Fri, 27 Feb 2015 09:01:39 +0000 (09:01 +0000)]
[mips] Account for constant-zero operands in ADDE nodes.

Summary:
We identify the cases where the operand to an ADDE node is a constant
zero. In such cases, we can avoid generating an extra ADDu instruction
disguised as an identity move alias (ie. addu $r, $r, 0 --> move $r, $r).

Reviewers: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7906

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230742 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[asan] Skip promotable allocas to improve performance at -O0
Anna Zaks [Fri, 27 Feb 2015 03:12:36 +0000 (03:12 +0000)]
[asan] Skip promotable allocas to improve performance at -O0

Currently, the ASan executables built with -O0 are unnecessarily slow.
The main reason is that ASan instrumentation pass inserts redundant
checks around promotable allocas. These allocas do not get instrumented
under -O1 because they get converted to virtual registered by mem2reg.
With this patch, ASan instrumentation pass will only instrument non
promotable allocas, giving us a speedup of 39% on a collection of
benchmarks with -O0. (There is no measurable speedup at -O1.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230724 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoDon't modify the DenseMap being iterated over from within the loop
Sanjoy Das [Fri, 27 Feb 2015 02:24:16 +0000 (02:24 +0000)]
Don't modify the DenseMap being iterated over from within the loop
that is iterating over it

Inserting elements into a `DenseMap` invalidated iterators pointing
into the `DenseMap` instance.

Differential Revision: http://reviews.llvm.org/D7924

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230719 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFix a use-iterator-after-invalidate error
Sanjoy Das [Fri, 27 Feb 2015 02:19:11 +0000 (02:19 +0000)]
Fix a use-iterator-after-invalidate error

AnalysisResult::getResultImpl reuses an iterator into a DenseMap after
inserting elements into it. This change adds code to recompute the
iterator before the second use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230718 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoTarget/X86: Save Win64 non-volatile registers in a Win64 ABI function.
Charles Davis [Fri, 27 Feb 2015 00:57:01 +0000 (00:57 +0000)]
Target/X86: Save Win64 non-volatile registers in a Win64 ABI function.

Summary:
This change causes us to actually save non-volatile registers in a Win64
ABI function that calls a System V ABI function, and vice-versa.

Reviewers: rnk

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7919

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230714 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agollvm-vtabledump: Dump catch/throw exception structures for MS ABI
David Majnemer [Fri, 27 Feb 2015 00:43:58 +0000 (00:43 +0000)]
llvm-vtabledump: Dump catch/throw exception structures for MS ABI

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230713 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRewrite MachineOperand::print and MachineInstr::print to avoid
Eric Christopher [Fri, 27 Feb 2015 00:11:34 +0000 (00:11 +0000)]
Rewrite MachineOperand::print and MachineInstr::print to avoid
uses of TM->getSubtargetImpl and propagate to all calls.

This could be a debugging regression in places where we had a
TargetMachine and/or MachineFunction but don't have it as part
of the MachineInstr. Fixing this would require passing a
MachineFunction/Function down through the print operator, but
none of the existing uses in tree seem to do this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230710 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoPut jump tables in distinct sections if -ffunction-sections is used.
Rafael Espindola [Thu, 26 Feb 2015 23:55:11 +0000 (23:55 +0000)]
Put jump tables in distinct sections if -ffunction-sections is used.

A small regression in r230411 was that we were basing the decision on
-fdata-sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230707 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Orc][Kaleidoscope] More tutorial cleanup, a little extra debugging output.
Lang Hames [Thu, 26 Feb 2015 23:52:42 +0000 (23:52 +0000)]
[Orc][Kaleidoscope] More tutorial cleanup, a little extra debugging output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230705 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[llvm-pdbdump] Add missing files.
Zachary Turner [Thu, 26 Feb 2015 23:51:49 +0000 (23:51 +0000)]
[llvm-pdbdump] Add missing files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230704 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[llvm-pdbdump] Fix dumping of function pointers and basic types.
Zachary Turner [Thu, 26 Feb 2015 23:49:23 +0000 (23:49 +0000)]
[llvm-pdbdump] Fix dumping of function pointers and basic types.

Function pointers were not correctly handled by the dumper, and
they would print as "* name".  They now print as
"int (__cdecl *name)(int arg1, int arg2)" as they should.

Also, doubles were being printed as floats.  This fixes that bug
as well, and adds tests for all builtin types. as well as a test
for function pointers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230703 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRemove commented out function.
Eric Christopher [Thu, 26 Feb 2015 23:36:28 +0000 (23:36 +0000)]
Remove commented out function.

(Saving files works, who knew?)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230701 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRemove DebugLoc::print(LLVMContext, raw_ostream), it was just
Eric Christopher [Thu, 26 Feb 2015 23:32:17 +0000 (23:32 +0000)]
Remove DebugLoc::print(LLVMContext, raw_ostream), it was just
forwarding to the one that didn't take a context.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230700 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agogetRegForInlineAsmConstraint wants to use TargetRegisterInfo for
Eric Christopher [Thu, 26 Feb 2015 22:38:43 +0000 (22:38 +0000)]
getRegForInlineAsmConstraint wants to use TargetRegisterInfo for
a lookup, pass that in rather than use a naked call to getSubtargetImpl.
This involved passing down and around either a TargetMachine or
TargetRegisterInfo. Update all callers/definitions around the targets
and SelectionDAG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230699 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoAdd a TargetMachine argument to the AddressingModeMatcher, we'll
Eric Christopher [Thu, 26 Feb 2015 22:38:34 +0000 (22:38 +0000)]
Add a TargetMachine argument to the AddressingModeMatcher, we'll
need this shortly to get a TargetRegisterInfo from the subtarget
for TargetLowering routines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230698 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Fix PR22706 where we would incorrectly try lower a v32i8 dynamic
Chandler Carruth [Thu, 26 Feb 2015 22:15:34 +0000 (22:15 +0000)]
[x86] Fix PR22706 where we would incorrectly try lower a v32i8 dynamic
blend as legal.

We made the same mistake in two different places. Whenever we are custom
lowering a v32i8 blend we need to check whether we are custom lowering
it only for constant conditions that can be shuffled, or whether we
actually have AVX2 and full dynamic blending support on bytes. Both are
fixed, with comments added to make it clear what is going on and a new
test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230695 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoSimplify arange output.
Rafael Espindola [Thu, 26 Feb 2015 22:02:02 +0000 (22:02 +0000)]
Simplify arange output.

Move SectionMap to its only user (emitDebugARanges) and
reorder to save a call to sort.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230693 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRe-instate the pragma optimize hack for MSVC, but not clang-cl
Reid Kleckner [Thu, 26 Feb 2015 21:34:11 +0000 (21:34 +0000)]
Re-instate the pragma optimize hack for MSVC, but not clang-cl

Reverts commit r230686 with define modifications.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230692 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Restructure the comments and the conditions for handling
Chandler Carruth [Thu, 26 Feb 2015 21:29:06 +0000 (21:29 +0000)]
[x86] Restructure the comments and the conditions for handling
dynamic blends.

This makes it much more clear what is going on. The case we're handling
is that of dynamic conditions, and we're bailing when the nature of the
vector types and subtarget preclude lowering the dynamic condition
vselect as an actual blend.

No functionality changed here, but this will make a subsequent bug-fix
to this code much more clear.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230690 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Re-order the combines of select in the X86 backend. This doesn't
Chandler Carruth [Thu, 26 Feb 2015 21:21:36 +0000 (21:21 +0000)]
[x86] Re-order the combines of select in the X86 backend. This doesn't
change functionality, but makes it more clear that the dynamic case and
the shuffle case don't overlap in any interesting way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230689 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Add an assert to catch if we ever try to blend a v32i8 without
Chandler Carruth [Thu, 26 Feb 2015 21:18:20 +0000 (21:18 +0000)]
[x86] Add an assert to catch if we ever try to blend a v32i8 without
AVX2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230688 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRemove stale pragma hack for an unsupported MSVC version
Reid Kleckner [Thu, 26 Feb 2015 21:08:27 +0000 (21:08 +0000)]
Remove stale pragma hack for an unsupported MSVC version

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230686 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoSilence some Win64 clang-cl warnings about unused stuff due to ifdefs
Reid Kleckner [Thu, 26 Feb 2015 21:08:21 +0000 (21:08 +0000)]
Silence some Win64 clang-cl warnings about unused stuff due to ifdefs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230685 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoUse wider type for overflow check on LLP64 platforms like Win64, found by clang-cl...
Reid Kleckner [Thu, 26 Feb 2015 21:07:30 +0000 (21:07 +0000)]
Use wider type for overflow check on LLP64 platforms like Win64, found by clang-cl -Wtautological

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230684 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoIRCE: add a test case for r230619.
Sanjoy Das [Thu, 26 Feb 2015 20:14:32 +0000 (20:14 +0000)]
IRCE: add a test case for r230619.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230680 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoInstrProf: Simplify the construction of BinaryCoverageReader
Justin Bogner [Thu, 26 Feb 2015 20:06:28 +0000 (20:06 +0000)]
InstrProf: Simplify the construction of BinaryCoverageReader

Creating BinaryCoverageReader is a strange and complicated dance where
the constructor sets error codes that member functions will later
read, and the object is in an invalid state if readHeader isn't
immediately called after construction.

Instead, make the constructor private and add a static create method
to do the construction properly. This also has the benefit of removing
readHeader completely and simplifying the interface of the object.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230676 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoInstrProf: Rename ObjectFileCoverageMappingReader to BinaryCoverageReader
Justin Bogner [Thu, 26 Feb 2015 20:06:24 +0000 (20:06 +0000)]
InstrProf: Rename ObjectFileCoverageMappingReader to BinaryCoverageReader

The current name is long and confusing. A shorter one is both easier
to understand and easier to work with.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230675 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoSCEVExpander incorrectly marks generated subtractions as nuw/nsw
Sanjoy Das [Thu, 26 Feb 2015 19:51:35 +0000 (19:51 +0000)]
SCEVExpander incorrectly marks generated subtractions as nuw/nsw

It is not sound to mark the increment operation as `nuw` or `nsw`
based on a proof off of the add recurrence if the increment operation
we emit happens to be a `sub` instruction.

I could not come up with a test case for this -- the cases where
SCEVExpander decides to emit a `sub` instruction is quite small, and I
cannot think of a way I'd be able to get SCEV to prove that the
increment does not overflow in those cases.

Differential Revision: http://reviews.llvm.org/D7899

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230673 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoTry to fix a docs link.
Nico Weber [Thu, 26 Feb 2015 19:48:43 +0000 (19:48 +0000)]
Try to fix a docs link.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230672 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[MC] Use the non-EH register mapping in the debug_frame section.
Frederic Riss [Thu, 26 Feb 2015 19:48:07 +0000 (19:48 +0000)]
[MC] Use the non-EH register mapping in the debug_frame section.

On 32bits x86 Darwin, the register mappings for the eh_frane and
debug_frame sections are different. Thus the same CFI instructions
should result in different registers in the object file. The
problem isn't target specific though, but it requires that the
mappings for EH register numbers be different from the standard
Dwarf one.

The patch looks a bit clumsy. LLVM uses the EH mapping as
canonical for everything frame related. Thus we need to do a
double conversion EH -> LLVM -> Non-EH, when emitting the
debug_frame section.

Fixes PR22363.

Differential Revision: http://reviews.llvm.org/D7593

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230670 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoSupport bitrig in autoconf build system.
Eric Christopher [Thu, 26 Feb 2015 19:46:32 +0000 (19:46 +0000)]
Support bitrig in autoconf build system.

Patch by Dave Huseby.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230669 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoDon't sibcall between SysV and Win64 convention functions
Reid Kleckner [Thu, 26 Feb 2015 19:43:20 +0000 (19:43 +0000)]
Don't sibcall between SysV and Win64 convention functions

The shadow stack space expectations won't match.

Fixes PR22709.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230667 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Orc][Kaleidoscope] Fix a missed symbol mangling operation in the fully lazy tutorial.
Lang Hames [Thu, 26 Feb 2015 19:28:37 +0000 (19:28 +0000)]
[Orc][Kaleidoscope] Fix a missed symbol mangling operation in the fully lazy tutorial.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230664 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[InstCombine/PowerPC] Convert aligned QPX load/store intrinsics into loads/stores
Hal Finkel [Thu, 26 Feb 2015 18:56:03 +0000 (18:56 +0000)]
[InstCombine/PowerPC] Convert aligned QPX load/store intrinsics into loads/stores

InstCombine has long had logic to convert aligned Altivec load/store intrinsics
into regular loads and stores. This mirrors that functionality for QPX vector
load/store intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230660 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoWhen the source has a series of assignments, users reasonably want to
Paul Robinson [Thu, 26 Feb 2015 18:47:57 +0000 (18:47 +0000)]
When the source has a series of assignments, users reasonably want to
have the debugger step through each one individually. Turn off the
combine for adjacent stores at -O0 so we get this behavior.

Possibly, DAGCombine shouldn't run at all at -O0, but that's for
another day; see PR22346.

Differential Revision: http://reviews.llvm.org/D7181

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230659 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Orc][Kaleidoscope] More diff-reduction between tutorial versions.
Lang Hames [Thu, 26 Feb 2015 18:36:34 +0000 (18:36 +0000)]
[Orc][Kaleidoscope] More diff-reduction between tutorial versions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230658 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFix justify error for small structures in varargs for MIPS64BE
Petar Jovanovic [Thu, 26 Feb 2015 18:35:15 +0000 (18:35 +0000)]
Fix justify error for small structures in varargs for MIPS64BE

There was a problem when passing structures as variable arguments.
The structures smaller than 64 bit were not left justified on MIPS64
big endian. This is now fixed by shifting the value to make it left-
justified when appropriate.

This fixes the bug http://llvm.org/bugs/show_bug.cgi?id=21608

Patch by Aleksandar Beserminji.

Differential Revision: http://reviews.llvm.org/D7881

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230657 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agogold-plugin: "Upgrade" debug info and handle its warnings.
Rafael Espindola [Thu, 26 Feb 2015 18:24:37 +0000 (18:24 +0000)]
gold-plugin: "Upgrade" debug info and handle its warnings.

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

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230655 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoUse ".arch_extension" ARM directive to support hwdiv on krait
Sumanth Gundapaneni [Thu, 26 Feb 2015 18:08:41 +0000 (18:08 +0000)]
Use ".arch_extension" ARM directive to support hwdiv on krait

In case of "krait" CPU, asm printer doesn't emit any ".cpu" so the
features bits are not computed. This patch lets the asm printer
emit ".cpu cortex-a9" directive for krait and the hwdiv feature is
enabled through ".arch_extension". In short, krait is treated
as "cortex-a9" with hwdiv. We can not emit ".krait" as CPU since
it is not supported bu GNU GAS yet

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230651 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoUse ".arch_extension" ARM directive to specify the additional CPU features
Sumanth Gundapaneni [Thu, 26 Feb 2015 18:07:35 +0000 (18:07 +0000)]
Use ".arch_extension" ARM directive to specify the additional CPU features

This patch is in response to r223147 where the avaiable features are
computed based on ".cpu" directive. This will work clean for the standard
variants like cortex-a9. For custom variants which rely on standard cpu names
for assembly, the additional features of a CPU should be propagated. This can be
done via ".arch_extension" as long as the assembler supports it. The
implementation for krait along with unit test will be submitted in next patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230650 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[LV/LoopAccesses] Backward dependences are not safe just because the
Adam Nemet [Thu, 26 Feb 2015 17:58:48 +0000 (17:58 +0000)]
[LV/LoopAccesses] Backward dependences are not safe just because the
accesses are via different types

Noticed this while generalizing the code for loop distribution.

I confirmed with Arnold that this was indeed a bug and managed to create
a testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230647 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoR600/SI: Remove M0 from DS assembly strings
Tom Stellard [Thu, 26 Feb 2015 17:08:43 +0000 (17:08 +0000)]
R600/SI: Remove M0 from DS assembly strings

This matches the assembly syntax for the proprietary compiler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230645 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[X86][MMX] Fix a typo in a couple of tests
Bruno Cardoso Lopes [Thu, 26 Feb 2015 15:16:09 +0000 (15:16 +0000)]
[X86][MMX] Fix a typo in a couple of tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230638 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[X86][MMX] Remove widening experimental flag from MMX tests.
Bruno Cardoso Lopes [Thu, 26 Feb 2015 15:10:38 +0000 (15:10 +0000)]
[X86][MMX] Remove widening experimental flag from MMX tests.

Turns out that after the past MMX commits, we don't need to rely on this
flag to get better codegen for MMX. Also update the tests to become
triple neutral.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230637 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[X86][Haswell][SchedModel] Fix WriteMULm latency.
Michael Kuperstein [Thu, 26 Feb 2015 14:30:09 +0000 (14:30 +0000)]
[X86][Haswell][SchedModel] Fix WriteMULm latency.

The latency for the WriteMULm class was set to 4, which is actually lower than the latency for WriteMULr (5).
A better estimate would be 4 added to WriteMULr, that is, 9.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230634 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[InstCombine] Add a test for altivec load/store intrinsic simplification
Hal Finkel [Thu, 26 Feb 2015 14:22:41 +0000 (14:22 +0000)]
[InstCombine] Add a test for altivec load/store intrinsic simplification

InstCombine has logic to convert aligned Altivec load/store intrinsics into
regular loads and stores. Unfortunately, there seems to be no regression test
covering this behavior. Adding one...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230632 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoReplace obsolete -mattr=n64 command line option with -target-abi=n64. No functional...
Vladimir Medic [Thu, 26 Feb 2015 12:29:48 +0000 (12:29 +0000)]
Replace obsolete -mattr=n64 command line option with -target-abi=n64. No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230628 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Sink the single-input v8i16 lowering code that is actually
Chandler Carruth [Thu, 26 Feb 2015 11:00:40 +0000 (11:00 +0000)]
[x86] Sink the single-input v8i16 lowering code that is actually
formulaic into the top v8i16 lowering routine.

This makes the generalized lowering a completely general and single path
lowering which will allow generalizing it in turn for multiple 128-bit
lanes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230623 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Remove a SimpleTy usage. No need for it here, we already have the
Chandler Carruth [Thu, 26 Feb 2015 10:37:01 +0000 (10:37 +0000)]
[x86] Remove a SimpleTy usage. No need for it here, we already have the
MVT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230622 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoIRCE: only touch loops that have been shown to have a high
Sanjoy Das [Thu, 26 Feb 2015 08:56:04 +0000 (08:56 +0000)]
IRCE: only touch loops that have been shown to have a high
backedge-taken count in profiliing data.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230619 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoIRCE: generalize to handle loops with decreasing induction variables.
Sanjoy Das [Thu, 26 Feb 2015 08:19:31 +0000 (08:19 +0000)]
IRCE: generalize to handle loops with decreasing induction variables.

IRCE can now split the iteration space for loops like:

   for (i = n; i >= 0; i--)
     a[i + k] = 42; // bounds check on access

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230618 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[x86] Make the vector shuffle helpers order the SDLoc and MVT arguments.
Chandler Carruth [Thu, 26 Feb 2015 08:19:24 +0000 (08:19 +0000)]
[x86] Make the vector shuffle helpers order the SDLoc and MVT arguments.
This ordering matches that of DAG.getNode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230617 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoIR: Use '= default' instead of r230609, NFC
Duncan P. N. Exon Smith [Thu, 26 Feb 2015 05:00:42 +0000 (05:00 +0000)]
IR: Use '= default' instead of r230609, NFC

Apparently we can use this now!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230613 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFileCheck: Add CHECK-SAME
Duncan P. N. Exon Smith [Thu, 26 Feb 2015 04:53:00 +0000 (04:53 +0000)]
FileCheck: Add CHECK-SAME

Add `CHECK-SAME`, which requires that the pattern matches on the *same*
line as the previous `CHECK`/`CHECK-NEXT` -- in other words, no newline
is allowed in the skipped region.  This is similar to `CHECK-NEXT`,
which requires exactly 1 newline in the skipped region.

My motivation is to simplify checking the long lines of LLVM assembly
for the new debug info hierarchy.  This allows CHECK sequences like the
following:

    CHECK:      ![[REF]] = !SomeMDNode(
    CHECK-SAME: file: ![[FILE:[0-9]+]]
    CHECK-SAME: otherField: 93{{[,)]}}

which is equivalent to:

    CHECK: ![[REF]] = !SomeMDNode({{.*}}file: ![[FILE:[0-9]+]]{{.*}}otherField: 93{{[,)]}}

While this example just has two fields, many nodes in debug info have
more than that.  `CHECK-SAME` will keep the logic easy to follow.

Morever, it enables interleaving `CHECK-NOT`s without allowing newlines.
Consider the following:

    CHECK:      ![[REF]] = !SomeMDNode(
    CHECK-SAME: file: ![[FILE:[0-9]+]]
    CHECK-NOT:  unexpectedField:
    CHECK-SAME: otherField: 93{{[,)]}}
    CHECK-NOT:  otherUnexpectedField:
    CHECK-SAME: )

which doesn't seem to have an equivalent `CHECK` line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230612 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoIR: Add default constructor for DIImportedEntity
Duncan P. N. Exon Smith [Thu, 26 Feb 2015 04:41:10 +0000 (04:41 +0000)]
IR: Add default constructor for DIImportedEntity

Add a default constructor for `DIImportedEntity`, to be used in clang in
a follow-up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230609 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[LoopAccesses] Add command-line option for RuntimeMemoryCheckThreshold
Adam Nemet [Thu, 26 Feb 2015 04:39:09 +0000 (04:39 +0000)]
[LoopAccesses] Add command-line option for RuntimeMemoryCheckThreshold

Also remove the somewhat misleading initializers from
VectorizationFactor and VectorizationInterleave.  They will get
initialized with the default ctor since no cl::init is provided.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230608 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoIRCE: print newline after printing an InductiveRangeCheck.
Sanjoy Das [Thu, 26 Feb 2015 04:03:31 +0000 (04:03 +0000)]
IRCE: print newline after printing an InductiveRangeCheck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230607 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[GC docs] Add example IR, assembly, and stackmaps to Statepoint documentation
Philip Reames [Thu, 26 Feb 2015 01:18:21 +0000 (01:18 +0000)]
[GC docs] Add example IR, assembly, and stackmaps to Statepoint documentation

When I originally committed the statepoint docs, I left placeholders for example IR fragments.  I'm finally getting around to filling those in.

I also added IR fragments to illustrate the usage of the PlaceSafepoints pass while I was at it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230601 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoReplace a few instances of NULL with nullptr.
David Majnemer [Thu, 26 Feb 2015 01:10:49 +0000 (01:10 +0000)]
Replace a few instances of NULL with nullptr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230599 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoPass /nologo to ml64 for quieter builds
Reid Kleckner [Thu, 26 Feb 2015 00:51:33 +0000 (00:51 +0000)]
Pass /nologo to ml64 for quieter builds

It still prints "Assembling path/to/X86CompilationCallback_Win64.asm",
but linking does the same thing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230596 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoPlaceSafepoints: use IRBuilder helpers
Ramkumar Ramachandra [Thu, 26 Feb 2015 00:35:56 +0000 (00:35 +0000)]
PlaceSafepoints: use IRBuilder helpers

Use the IRBuilder helpers for gc.statepoint and gc.result, instead of
coding the construction by hand. Note that the gc.statepoint IRBuilder
handles only CallInst, not InvokeInst; retain that part of hand-coding.

Differential Revision: http://reviews.llvm.org/D7518

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230591 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRemove a FIXME.
Eric Christopher [Thu, 26 Feb 2015 00:00:35 +0000 (00:00 +0000)]
Remove a FIXME.

Explanation: This function is in TargetLowering because it uses
RegClassForVT which would need to be moved to TargetRegisterInfo
and would necessitate moving isTypeLegal over as well - a massive
change that would just require TargetLowering having a TargetRegisterInfo
class member that it would use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230585 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFix a couple of depedent->dependent typos.
Eric Christopher [Thu, 26 Feb 2015 00:00:33 +0000 (00:00 +0000)]
Fix a couple of depedent->dependent typos.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230584 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoRemove an argument-less call to getSubtargetImpl from TargetLoweringBase.
Eric Christopher [Thu, 26 Feb 2015 00:00:24 +0000 (00:00 +0000)]
Remove an argument-less call to getSubtargetImpl from TargetLoweringBase.
This required plumbing a TargetRegisterInfo through computeRegisterProperties
and into findRepresentativeClass which uses it for register class
iteration. This required passing a subtarget into a few target specific
initializations of TargetLowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230583 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoMemDepPrinter: Fix some nits introduced in r228596
Ramkumar Ramachandra [Wed, 25 Feb 2015 23:55:00 +0000 (23:55 +0000)]
MemDepPrinter: Fix some nits introduced in r228596

Differential Revision: http://reviews.llvm.org/D7644

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230582 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[GC docs] More minor word tweaks to make the GC bits clearer
Philip Reames [Wed, 25 Feb 2015 23:52:06 +0000 (23:52 +0000)]
[GC docs] More minor word tweaks to make the GC bits clearer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230581 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[GC Docs] Update LangRef to link to Statepoint docs
Philip Reames [Wed, 25 Feb 2015 23:45:20 +0000 (23:45 +0000)]
[GC Docs] Update LangRef to link to Statepoint docs

Add a brief section linking to the experimental statepoint intrinsics analogous to the one we have linking to patchpoint.

While I'm here, cleanup some wording about what the gc "name" attribute actually means.  It's not the name of a *collector* it's the name of the *strategy* which may be compatible with multiple collectors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230576 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[GC docs] Fill in description of the statepoint-example GC strategy
Philip Reames [Wed, 25 Feb 2015 23:22:43 +0000 (23:22 +0000)]
[GC docs] Fill in description of the statepoint-example GC strategy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230572 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[GC Docs] Minor wording clarification
Philip Reames [Wed, 25 Feb 2015 23:07:34 +0000 (23:07 +0000)]
[GC Docs] Minor wording clarification

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230570 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoObject: Handle Mach-O kext bundle files
Justin Bogner [Wed, 25 Feb 2015 22:59:20 +0000 (22:59 +0000)]
Object: Handle Mach-O kext bundle files

This particular subtype of Mach-O was missing. Add it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230567 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoInstrProf: Make the __llvm_profile_runtime_user symbol hidden
Justin Bogner [Wed, 25 Feb 2015 22:52:20 +0000 (22:52 +0000)]
InstrProf: Make the __llvm_profile_runtime_user symbol hidden

This symbol exists only to pull in the required pieces of the runtime,
so nothing ever needs to refer to it. Making it hidden avoids the
potential for issues with duplicate symbols when linking profiled
libraries together.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230566 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoIR: Drop newline from AssemblyWriter::printMDNodeBody()
Duncan P. N. Exon Smith [Wed, 25 Feb 2015 22:46:38 +0000 (22:46 +0000)]
IR: Drop newline from AssemblyWriter::printMDNodeBody()

Remove a newline from `AssemblyWriter::printMDNodeBody()`, and add one
to `AssemblyWriter::writeMDNode()`.  NFCI for assembly output.

However, this drops an inconsistent newline from `Metadata::print()`
when `this` is an `MDNode`.  Now the newline added by `Metadata::dump()`
won't look so verbose.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230565 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoonly propagate equality comparisons of FP values that we are certain are non-zero
Sanjay Patel [Wed, 25 Feb 2015 22:46:08 +0000 (22:46 +0000)]
only propagate equality comparisons of FP values that we are certain are non-zero

This is a follow-on to r227491 which tightens the check for propagating FP
values. If a non-constant value happens to be a zero, we would hit the same
bug as before.

Bug noted and patch suggested by Eli Friedman.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230564 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoInstrProf: Remove dead code in CoverageMappingReader
Justin Bogner [Wed, 25 Feb 2015 22:44:50 +0000 (22:44 +0000)]
InstrProf: Remove dead code in CoverageMappingReader

Remove a default argument that's never passed and a constructor that's
never called.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230563 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoMove TargetLoweringBase::getTypeConversion to the .cpp file from
Eric Christopher [Wed, 25 Feb 2015 22:41:30 +0000 (22:41 +0000)]
Move TargetLoweringBase::getTypeConversion to the .cpp file from
the .h file. It's used in only one place (other than recursively)
and there's no need to include it everywhere.

Saves almost 900k from total llvm object file size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230561 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoInstCombine: extract instead of shuffle when performing vector/array type punning
JF Bastien [Wed, 25 Feb 2015 22:30:51 +0000 (22:30 +0000)]
InstCombine: extract instead of shuffle when performing vector/array type punning

Summary: SROA generates code that isn't quite as easy to optimize and contains unusual-sized shuffles, but that code is generally correct. As discussed in D7487 the right place to clean things up is InstCombine, which will pick up the type-punning pattern and transform it into a more obvious bitcast+extractelement, while leaving the other patterns SROA encounters as-is.

Test Plan: make check

Reviewers: jvoung, chandlerc

Subscribers: llvm-commits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230560 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[dwarfdump] Fix frame info register number dump.
Frederic Riss [Wed, 25 Feb 2015 22:30:09 +0000 (22:30 +0000)]
[dwarfdump] Fix frame info register number dump.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230559 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoIR: Annotate dump methods with LLVM_DUMP_METHOD
Duncan P. N. Exon Smith [Wed, 25 Feb 2015 22:08:21 +0000 (22:08 +0000)]
IR: Annotate dump methods with LLVM_DUMP_METHOD

It turns out we have a macro to ensure that debuggers can access
`dump()` methods.  Use it.  Hopefully this will prevent me (and others)
from committing crimes like in r223802 (search for /10000/, or just see
the fix in r224407).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230555 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoTry to appease buildbots.
Frederic Riss [Wed, 25 Feb 2015 22:07:43 +0000 (22:07 +0000)]
Try to appease buildbots.

It seems ArrayRefs to multi-dimensional arrays confuse some compilers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230554 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[PowerPC] Make LDtocL and friends invariant loads
Hal Finkel [Wed, 25 Feb 2015 21:36:59 +0000 (21:36 +0000)]
[PowerPC] Make LDtocL and friends invariant loads

LDtocL, and other loads that roughly correspond to the TOC_ENTRY SDAG node,
represent loads from the TOC, which is invariant. As a result, these loads can
be hoisted out of loops, etc. In order to do this, we need to generate
GOT-style MMOs for TOC_ENTRY, which requires treating it as a legitimate memory
intrinsic node type. Once this is done, the MMO transfer is automatically
handled for TableGen-driven instruction selection, and for nodes generated
directly in PPCISelDAGToDAG, we need to transfer the MMOs manually.

Also, we were not transferring MMOs associated with pre-increment loads, so do
that too.

Lastly, this fixes an exposed bug where R30 was not added as a defined operand of
UpdateGBR.

This problem was highlighted by an example (used to generate the test case)
posted to llvmdev by Francois Pichet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230553 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[dwarfdump] Make debug_frame dump actually useful.
Frederic Riss [Wed, 25 Feb 2015 21:30:22 +0000 (21:30 +0000)]
[dwarfdump] Make debug_frame dump actually useful.

This adds support for pretty-printing instruction operands. The new
output looks like:

00000000 00000010 ffffffff CIE
  Version:               1
  Augmentation:
  Code alignment factor: 1
  Data alignment factor: -4
  Return address column: 8

  DW_CFA_def_cfa:  reg4 +4
  DW_CFA_offset:  reg8 -4
  DW_CFA_nop:
  DW_CFA_nop:

00000014 00000010 00000000 FDE cie=00000000 pc=00000000...00000022
  DW_CFA_advance_loc:  3
  DW_CFA_def_cfa_offset:  +12
  DW_CFA_nop:

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230551 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[dwarfdump] Don't print meaningless pointer.
Frederic Riss [Wed, 25 Feb 2015 21:30:19 +0000 (21:30 +0000)]
[dwarfdump] Don't print meaningless pointer.

CIE pointers were never filled in before, and printing the pointer
is totally pointless anyway.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230550 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoDWARFDebugFrame: Move some code around. NFC.
Frederic Riss [Wed, 25 Feb 2015 21:30:16 +0000 (21:30 +0000)]
DWARFDebugFrame: Move some code around. NFC.

Move the FrameEntry::dumpInstructions down in the file at some
place where it can see the declarations of FDE and CIE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230549 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoDWARFDebugFrame: Add some trivial accessors. NFC.
Frederic Riss [Wed, 25 Feb 2015 21:30:13 +0000 (21:30 +0000)]
DWARFDebugFrame: Add some trivial accessors. NFC.

To be used for dumping.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230548 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoDWARFDebugFrame: Actually collect CIEs associated with FDEs.
Frederic Riss [Wed, 25 Feb 2015 21:30:09 +0000 (21:30 +0000)]
DWARFDebugFrame: Actually collect CIEs associated with FDEs.

This is the first commit in a small series aiming at making
debug_frame dump more useful (right now it prints a list of
opeartions without their operands).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230547 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[LTO API] fix memory leakage introduced at r230290.
Manman Ren [Wed, 25 Feb 2015 21:20:53 +0000 (21:20 +0000)]
[LTO API] fix memory leakage introduced at r230290.

r230290 released the LLVM module but not the LTOModule.

rdar://19024554

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230544 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoX86, Win64: Allow 'mov' to restore the stack pointer if we have a FP
David Majnemer [Wed, 25 Feb 2015 21:13:37 +0000 (21:13 +0000)]
X86, Win64: Allow 'mov' to restore the stack pointer if we have a FP

The Win64 epilogue structure is very restrictive, it permits a very
small number of opcodes and none of them are 'mov'.

This means that given:
  mov %rbp, %rsp
  pop %rbp

The mov isn't the epilogue, only the pop is.  This is problematic unless
a frame pointer is present in which case we are free to do whatever we'd
like in the "body" of the function.  If a frame pointer is present,
unwinding will undo the prologue operations in reverse order regardless
of the fact that we are at an instruction which is reseting the stack
pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230543 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[Orc][Kaleidoscope] Clean up the Orc/Kaleidoscope tutorials to minimize the diffs
Lang Hames [Wed, 25 Feb 2015 20:58:28 +0000 (20:58 +0000)]
[Orc][Kaleidoscope] Clean up the Orc/Kaleidoscope tutorials to minimize the diffs
between them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230542 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoLowerBitSets: Align referenced globals.
Peter Collingbourne [Wed, 25 Feb 2015 20:42:41 +0000 (20:42 +0000)]
LowerBitSets: Align referenced globals.

This change aligns globals to the next highest power of 2 bytes, up to a
maximum of 128. This makes it more likely that we will be able to compress
bit sets with a greater alignment. In many more cases, we can now take
advantage of a new optimization also introduced in this patch that removes
bit set checks if the bit set is all ones.

The 128 byte maximum was found to provide the best tradeoff between instruction
overhead and data overhead in a recent build of Chromium. It allows us to
remove ~2.4MB of instructions at the cost of ~250KB of data.

Differential Revision: http://reviews.llvm.org/D7873

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230540 91177308-0d34-0410-b5e6-96231b3b80d8

9 years ago[CMake] Fix the clang-cl self host build.
Zachary Turner [Wed, 25 Feb 2015 20:42:19 +0000 (20:42 +0000)]
[CMake] Fix the clang-cl self host build.

This allows clang-cl to self-host cleanly with no magic setup
steps required.

After this patch, all you have to do is set CC=CXX=clang-cl and
run cmake -G Ninja.

These changes only exist to support C++ features which are
unsupported in clang-cl, so regardless of whether the user
specifies they want to use them, we still have to disable them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230539 91177308-0d34-0410-b5e6-96231b3b80d8

9 years agoFixing a problem with insert location in WinEH outlining
Andrew Kaylor [Wed, 25 Feb 2015 20:12:49 +0000 (20:12 +0000)]
Fixing a problem with insert location in WinEH outlining

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230535 91177308-0d34-0410-b5e6-96231b3b80d8