Commit Graph

16891 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
7f4bb1b9f0 Always use addOperand(MF, MO) from MachineInstrBuilder.
The single-argument MachineInstr::addOperand(MO) will be removed soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170599 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 22:35:46 +00:00
Jakob Stoklund Olesen
37a942cd52 Remove the explicit MachineInstrBuilder(MI) constructor.
Use the version that also takes an MF reference instead.

It would technically be possible to extract an MF reference from the MI
as MI->getParent()->getParent(), but that would not work for MIs that
are not inserted into any basic block.

Given the reasonably small number of places this constructor was used at
all, I preferred the compile time check to a run time assertion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170588 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 21:31:56 +00:00
Benjamin Kramer
28d24c95ad Remove edis remnant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170580 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 20:11:17 +00:00
Roman Divacky
759e3fa641 Remove edis - the enhanced disassembler. Fixes PR14654.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 19:55:47 +00:00
Jakob Stoklund Olesen
433cb080ba Add an MF argument to MachineInstr::addOperand().
Just like for addMemOperand(), the function pointer provides a context
for allocating memory. This will make it possible to use a better memory
allocation strategy for the MI operand list, which is currently a slow
std::vector.

Most calls to addOperand() come from MachineInstrBuilder, so give that
class an MF reference as well. Code using BuildMI() won't need changing
at all since the MF reference is already required to allocate a
MachineInstr.

Future patches will fix code that calls MI::addOperand(Op) directly, as
well as code that uses the now deprecated MachineInstrBuilder(MI)
constructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170574 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 19:19:01 +00:00
Chad Rosier
e7ff165a40 Remove superfluous brief command from getAsString.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170569 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 18:06:44 +00:00
Patrik Hagglund
c698d3a2a4 Change AsmOperandInfo::ConstraintVT to MVT, instead of EVT.
Accordingly, add MVT::getVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170550 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 15:19:11 +00:00
Rafael Espindola
cd7ee1ced0 Revert 170545 while I debug the ppc failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170547 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 14:48:05 +00:00
Benjamin Kramer
35d3462941 Make TargetLowering::getTypeConversion more resilient against odd illegal MVTs.
- An MVT can become an EVT when being split (e.g. v2i8 -> v1i8, the latter doesn't exist)
- Return the scalar value when an MVT is scalarized (v1i64 -> i64)

Fixes PR14639ff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 14:34:28 +00:00
Rafael Espindola
f9a6bd8524 Add r170095 back.
I cannot reproduce it the failures locally, so I will keep an eye at the ppc
bots. This patch does add the change to the "Disassembly of section" message,
but that is not what was failing on the bots.

Original message:

Add a funciton to get the segment name of a section.

On MachO, sections also have segment names. When a tool looking at a .o file
prints a segment name, this is what they mean. In reality, a .o has only one
anonymous, segment.

This patch adds a MachO only function to fetch that segment name. I named it
getSectionFinalSegmentName since the main use for the name seems to be infor
the linker with segment this section should go to.

The patch also changes MachOObjectFile::getSectionName to return just the
section name instead of computing SegmentName,SectionName.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170545 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 14:15:04 +00:00
Evgeniy Stepanov
33660cdfbd [msan] Add track-origins argument to the pass constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170544 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 13:55:51 +00:00
Patrik Hagglund
e5c65911a6 Change TargetLowering::getTypeForExtArgOrReturn to take and return
MVTs, instead of EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170537 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 12:02:25 +00:00
Patrik Hagglund
ee211d2b8d Change a parameter of TargetLowering::getVectorTypeBreakdown to MVT,
from EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170536 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 11:53:21 +00:00
Patrik Hagglund
dfcf33a287 Change TargetLowering::RegisterTypeForVT to contain MVTs, instead of
EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170535 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 11:48:16 +00:00
Patrik Hagglund
ff01277841 Change TargetLowering::TransformToType to contain MVTs, instead of
EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170534 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 11:42:00 +00:00
Patrik Hagglund
1317d26461 Change TargetLowering::getRepRegClassCostFor, getIndexedLoadAction,
getIndexedStoreAction, and addRegisterClass to take and MVT, instead
of EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170533 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 11:37:12 +00:00
Patrik Hagglund
0340557fb8 Change TargetLowering::findRepresentativeClass to take an MVT, instead
of EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170532 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 11:30:36 +00:00
Patrik Hagglund
319bb39923 Change TargetLowering::getTypeToPromoteTo to take and return MVTs,
instead of EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170529 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 11:21:04 +00:00
Benjamin Kramer
fc8657be34 MapVector: Add lookup().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170527 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 11:08:33 +00:00
Patrik Hagglund
fdbeb057b8 Change TargetLowering::isCondCodeLegal to take an MVT, instead of EVT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170524 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 10:19:55 +00:00
Patrik Hagglund
9c5ab9355e Change TargetLowering::getCondCodeAction to take an MVT, instead of
EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170522 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 10:09:26 +00:00
Bill Wendling
6424a783ad Inline hasFunctionOnlyAttrs into its only use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170518 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 09:15:11 +00:00
Bill Wendling
5d122b6ec0 Inline the only use of the hasParameterOnlyAttrs method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170517 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 09:04:58 +00:00
Bill Wendling
1d3dcfe424 Inline the 'hasIncompatibleWithVarArgsAttrs' method into its only uses. And some minor comment reformatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170516 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 08:57:40 +00:00
Patrik Hagglund
88ef514cc6 Change TargetLowering::getTruncStoreAction to take MVTs, instead of EVTs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170510 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 08:28:51 +00:00
Bill Wendling
034b94b170 Rename the 'Attributes' class to 'Attribute'. It's going to represent a single attribute in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170502 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19 07:18:57 +00:00
Jakob Stoklund Olesen
445a02b5ad Remove MachineInstr::setIsInsideBundle().
The bundle flags are now maintained by the slightly higher-level
functions bundleWithPred() / bundleWithSucc() which enforce consistent
bundle flags between neighboring instructions.

See also MIBundleBuilder for an even higher-level approach to building
bundles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170475 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18 23:40:14 +00:00
Jakob Stoklund Olesen
2e4b639790 Use bidirectional bundle flags to simplify important functions.
The bundle_iterator::operator++ function now doesn't need to dig out the
basic block and check against end(). It can use the isBundledWithSucc()
flag to find the last bundled instruction safely.

Similarly, MachineInstr::isBundled() no longer needs to look at
iterators etc. It only has to look at flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170473 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18 23:21:49 +00:00
Jakob Stoklund Olesen
bd7b36e780 Don't allow the automatically updated MI flags to be set directly.
The bundle-related MI flags need to be kept in sync with the neighboring
instructions. Don't allow the bulk flag-setting setFlags() function to
change them.

Also don't copy MI flags when cloning an instruction. The clone's bundle
flags will be set when it is explicitly inserted into a bundle.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170459 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18 21:36:05 +00:00
Jakob Stoklund Olesen
9b04104a5e Tighten up the splice() API for bundled instructions.
Remove the instr_iterator versions of the splice() functions. It doesn't
seem useful to be able to splice sequences of instructions that don't
consist of full bundles.

The normal splice functions that take MBB::iterator arguments are not
changed, and they can move whole bundles around without any problems.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170456 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18 20:59:41 +00:00
Jakob Stoklund Olesen
7f1d6d688f Add an assertion for a likely ilist::splice() contract violation.
The single-element ilist::splice() function supports a noop move:

  List.splice(I, List, I);

The corresponding std::list function doesn't allow that, so add a unit
test to document that behavior.

This also means that

  List.splice(I, List, F);

is somewhat surprisingly not equivalent to

  List.splice(I, List, F, next(F));

This patch adds an assertion to catch the illegal case I == F above.
Alternatively, we could make I == F a legal noop, but that would make
ilist differ even more from std::list.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170443 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18 19:28:37 +00:00
Jakob Stoklund Olesen
edc3503ca5 Tighten the insert() API for bundled instructions.
The normal insert() function takes an MBB::iterator position, and
inserts a stand-alone MachineInstr as before.

The insert() function that takes an MBB::instr_iterator position can
insert instructions inside a bundle, and will now update the bundle
flags correctly when that happens.

When the insert position is between two bundles, it is unclear whether
the instruction should be appended to the previous bundle, prepended to
the next bundle, or stand on its own. The MBB::insert() function doesn't
bundle the instruction in that case, use the MIBundleBuilder class for
that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170437 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18 17:54:53 +00:00
Eli Bendersky
745bf82eba Cleanup comment and formatting
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170398 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18 00:53:36 +00:00
Eric Christopher
6c583141bf Add support for passing -main-file-name all the way through to
the assembler.

Part of PR14624

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170390 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18 00:31:01 +00:00
Jakob Stoklund Olesen
9f4692d295 Tighten up the erase/remove API for bundled instructions.
Most code is oblivious to bundles and uses the MBB::iterator which only
visits whole bundles. MBB::erase() operates on whole bundles at a time
as before.

MBB::remove() now refuses to remove bundled instructions. It is not safe
to remove all instructions in a bundle without deleting them since there
is no way of returning pointers to all the removed instructions.

MBB::remove_instr() and MBB::erase_instr() will now update bundle flags
correctly, lifting individual instructions out of bundles while leaving
the remaining bundle intact.

The MachineInstr convenience functions are updated so

  eraseFromParent() erases a whole bundle as before
  eraseFromBundle() erases a single instruction, leaving the rest of its bundle.
  removeFromParent() refuses to operate on bundled instructions, and
  removeFromBundle() lifts a single instruction out of its bundle.

These functions will no longer accidentally split or coalesce bundles -
bundle flags are updated to preserve the existing bundling, and explicit
bundleWith* / unbundleFrom* functions should be used to change the
instruction bundling.

This API update is still a work in progress. I am going to update APIs
first so they maintain bundle flags automatically when possible. Then
I'll add stricter verification of the bundle flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170384 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17 23:55:38 +00:00
Chandler Carruth
6c31d31357 Prepare LLVM to fix PR14625, exposing a hook in MCContext to manage the
compilation directory.

This defaults to the current working directory, just as it always has,
but now an assembler can choose to override it with a custom directory.
I've taught llvm-mc about this option and added a test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170371 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17 21:32:42 +00:00
Michael Ilseman
f3ceaff639 Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170368 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17 20:40:14 +00:00
Nick Kledzik
fbc8a73e0c Use different trait techniques to be compatible with g++
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170355 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17 19:02:05 +00:00
Tim Northover
1c2b2f9c56 Teach MachO which sections contain code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17 17:59:32 +00:00
Duncan Sands
12ea410114 Fix typo that results in new landing pads not getting a name, fixing PR14617.
Patch by Chris Toshok.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17 12:02:36 +00:00
Duncan Sands
d01e3f0c0b Fix comment typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170317 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17 11:43:15 +00:00
Reed Kotler
2c3a4641a7 This patch is needed to make c++ exceptions work for mips16.
Mips16 is really a processor decoding mode (ala thumb 1) and in the same
program, mips16 and mips32 functions can exist and can call each other.

If a jal type instruction encounters an address with the lower bit set, then
the processor switches to mips16 mode (if it is not already in it). If the
lower bit is not set, then it switches to mips32 mode.

The linker knows which functions are mips16 and which are mips32.
When relocation is performed on code labels, this lower order bit is
set if the code label is a mips16 code label.

In general this works just fine, however when creating exception handling
tables and dwarf, there are cases where you don't want this lower order
bit added in.

This has been traditionally distinguished in gas assembly source by using a
different syntax for the label.

lab1:      ; this will cause the lower order bit to be added
lab2=.     ; this will not cause the lower order bit to be added

In some cases, it does not matter because in dwarf and debug tables
the difference of two labels is used and in that case the lower order
bits subtract each other out.

To fix this, I have added to mcstreamer the notion of a debuglabel.
The default is for label and debug label to be the same. So calling
EmitLabel and EmitDebugLabel produce the same result.

For various reasons, there is only one set of labels that needs to be
modified for the mips exceptions to work. These are the "$eh_func_beginXXX" 
labels.

Mips overrides the debug label suffix from ":" to "=." .

This initial patch fixes exceptions. More changes most likely
will be needed to DwarfCFException to make all of this work
for actual debugging. These changes will be to emit debug labels in some
places where a simple label is emitted now.

Some historical discussion on this from gcc can be found at:
http://gcc.gnu.org/ml/gcc-patches/2008-08/msg00623.html
http://gcc.gnu.org/ml/gcc-patches/2008-11/msg01273.html 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170279 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-16 04:00:45 +00:00
Pedro Artigas
99cbdde619 Add more reset methods to make all objects that the backend may use for outputting code have a reset, some are not used but were declared for completeness
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170227 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14 18:52:11 +00:00
NAKAMURA Takumi
63cab6c9d2 [CMake] Move libxml2 stuff from clang to llvm/cmake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14 18:30:20 +00:00
Bill Schmidt
b453e16855 This patch improves the 64-bit PowerPC InitialExec TLS support by providing
for a wider range of GOT entries that can hold thread-relative offsets.
This matches the behavior of GCC, which was not documented in the PPC64 TLS
ABI.  The ABI will be updated with the new code sequence.

Former sequence:

  ld 9,x@got@tprel(2)
  add 9,9,x@tls

New sequence:

  addis 9,2,x@got@tprel@ha
  ld 9,x@got@tprel@l(9)
  add 9,9,x@tls

Note that a linker optimization exists to transform the new sequence into
the shorter sequence when appropriate, by replacing the addis with a nop
and modifying the base register and relocation type of the ld.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170209 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14 17:02:38 +00:00
Patrik Hagglund
702474dbb2 Change TargetLowering::getLoadExtAction to take an MVT, instead of
EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14 09:05:13 +00:00
Chris Lattner
05bc091336 fix comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170155 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 22:34:43 +00:00
Patrik Hagglund
009e1e21d4 Change TargetLowering::setTypeAction to take an MVT, instead fo EVT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170148 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 20:42:43 +00:00
Patrik Hagglund
860e7cdab9 Change TargetLowering::getRepRegClassFor to take an MVT, instead of
EVT.

Accordingly, change RegDefIter to contain MVTs instead of EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170140 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 18:45:35 +00:00
NAKAMURA Takumi
0069b55b8a JITEventListener.h: Use llvm-config.h instead of config.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170129 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 15:03:38 +00:00
Eric Christopher
ef8581479e Revert "Add a funciton to get the segment name of a section."
This reverts commit r170095 since it appears to be breaking the bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170105 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 06:36:18 +00:00
Patrik Hagglund
a61b17c18a Change TargetLowering::getRegClassFor to take an MVT, instead of EVT.
Accordingly, add helper funtions getSimpleValueType (in parallel to
getValueType) in SDValue, SDNode, and TargetLowering.

This is the first, in a series of patches.

This is the second attempt. In the first attempt (r169837), a few
getSimpleVT() were hoisted too far, detected by bootstrap failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170104 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 06:34:11 +00:00
Rafael Espindola
e3ec87a6f7 Add a funciton to get the segment name of a section.
On MachO, sections also have segment names. When a tool looking at a .o file
prints a segment name, this is what they mean. In reality, a .o has only one,
anonymous, segment.

This patch adds a MachO only function to fetch that segment name. I named it
getSectionFinalSegmentName since the main use for the name seems to be informing
the linker with segment this section should go to.

The patch also changes MachOObjectFile::getSectionName to return just the
section name instead of computing SegmentName,SectionName.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 04:07:18 +00:00
Rafael Espindola
dbaa2376f7 Rename isPowerOfTwo to isKnownToBeAPowerOfTwo.
In a previous thread it was pointed out that isPowerOfTwo is not a very precise
name since it can return false for powers of two if it is unable to show that
they are powers of two.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 03:37:24 +00:00
Michael Ilseman
8ad435fa48 Pattern matching code for intrinsics.
Provides m_Argument that allows matching against a CallSite's specified argument. Provides m_Intrinsic pattern that can be templatized over the intrinsic id and bind/match arguments similarly to other pattern matchers. Implementations provided for 0 to 4 arguments, though it's very simple to extend for more. Also provides example template specialization for bswap (m_BSwap) and example of code cleanup for its use.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170091 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 03:13:36 +00:00
Eric Christopher
05fa24c574 Remove extraneous debugging code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 03:07:28 +00:00
Eric Christopher
b1cc6f3dff Add a way of printing out an arbitrary label name for a section
given the section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 03:00:35 +00:00
Michael Ilseman
8961924022 m_CombineOr and m_CombineAnd pattern combinators
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170086 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 02:55:53 +00:00
Jakob Stoklund Olesen
5d7802cecc Express prepend and append in terms of a more generic insert().
Also add an MIBundleBuilder constructor that takes an existing bundle.
Together these functions make it possible to add instructions to
existing bundles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170063 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13 00:59:36 +00:00
Pedro Artigas
5399d2502a Make the MCStreamer have a reset method and call that after finalization of the asm printer,
also changed MCContext to a single reset only method for simplicity as requested on the list



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 22:59:46 +00:00
Benjamin Kramer
ae3ce26f99 YAMLIO: Remove all of the template instantiation hacks, I don't see why they're necessary and it breaks linking of the unit tests.
Also comes with a clang-format run on the cpp file, it had major style violations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170036 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 22:40:02 +00:00
Nick Kledzik
df2f74fa41 AlignedCharArrayUnion is erroring with non-clang compilers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170031 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 22:03:57 +00:00
Nick Kledzik
8ceb8b764f Initial implementation of a utility for converting native data
structures to and from YAML using traits.  The first client will
be the test suite of lld.  The documentation will show up at:

   http://llvm.org/docs/YamlIO.html




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170019 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 20:46:15 +00:00
Eli Bendersky
d52a2c0a31 Make naming consistent, add comments and sanity asserts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170007 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 19:54:05 +00:00
Nadav Rotem
ae3b652f5c LoopVectorizer: Use the "optsize" attribute to decide if we are allowed to increase the function size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 19:29:45 +00:00
Bill Schmidt
349c2787cf This patch implements local-dynamic TLS model support for the 64-bit
PowerPC target.  This is the last of the four models, so we now have 
full TLS support.

This is mostly a straightforward extension of the general dynamic model.
I had to use an additional Chain operand to tie ADDIS_DTPREL_HA to the
register copy following ADDI_TLSLD_L; otherwise everything above the
ADDIS_DTPREL_HA appeared dead and was removed.

As before, there are new test cases to test the assembly generation, and
the relocations output during integrated assembly.  The expected code
gen sequence can be read in test/CodeGen/PowerPC/tls-ld.ll.

There are a couple of things I think can be done more efficiently in the
overall TLS code, so there will likely be a clean-up patch forthcoming;
but for now I want to be sure the functionality is in place.

Bill


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170003 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 19:29:35 +00:00
Rafael Espindola
b09c146b11 The TargetData is not used for the isPowerOfTwo determination. It has never
been used in the first place.  It simply was passed to the function and to the
recursive invocations.  Simply drop the parameter and update the callers for the
new signature.

Patch by Saleem Abdulrasool!

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2012-12-12 16:52:40 +00:00
Alexey Samsonov
1afbb51796 Improve debug info generated with enabled AddressSanitizer.
When ASan replaces <alloca instruction> with
<offset into a common large alloca>, it should also patch
llvm.dbg.declare calls and replace debug info descriptors to mark
that we've replaced alloca with a value that stores an address
of the user variable, not the user variable itself.

See PR11818 for more context.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169984 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 14:31:53 +00:00
Logan Chien
37c7461fc3 Add ARM NONE and PREL31 relocation types.
Add R_ARM_NONE and R_ARM_PREL31 relocation types
to MCExpr.  Both of them will be used while
generating .ARM.extab and .ARM.exidx sections.



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2012-12-12 07:14:46 +00:00
Evan Cheng
946a3a9f22 Sorry about the churn. One more change to getOptimalMemOpType() hook. Did I
mention the inline memcpy / memset expansion code is a mess?

This patch split the ZeroOrLdSrc argument into two: IsMemset and ZeroMemset.
The first indicates whether it is expanding a memset or a memcpy / memmove.
The later is whether the memset is a memset of zero. It's totally possible
(likely even) that targets may want to do different things for memcpy and
memset of zero.


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2012-12-12 02:34:41 +00:00
Evan Cheng
7d34267df6 - Rename isLegalMemOpType to isSafeMemOpType. "Legal" is a very overloade term.
Also added more comments to explain why it is generally ok to return true.
- Rename getOptimalMemOpType argument IsZeroVal to ZeroOrLdSrc. It's meant to
be true for loaded source (memcpy) or zero constants (memset). The poor name
choice is probably some kind of legacy issue.


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2012-12-12 01:32:07 +00:00
Nadav Rotem
5da804150d LoopVectorizer: When -Os is used, vectorize only loops that dont require a tail loop. There is no testcase because I dont know of a way to initialize the loop vectorizer pass without adding an additional hidden flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169950 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 01:11:46 +00:00
Evan Cheng
61f4dfe369 Avoid using lossy load / stores for memcpy / memset expansion. e.g.
f64 load / store on non-SSE2 x86 targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169944 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 00:42:09 +00:00
Michael Ilseman
09ee250e72 Added a slew of SimplifyInstruction floating-point optimizations, many of which take advantage of fast-math flags. Test cases included.
fsub X, +0 ==> X
  fsub X, -0 ==> X, when we know X is not -0
  fsub +/-0.0, (fsub -0.0, X) ==> X
  fsub nsz +/-0.0, (fsub +/-0.0, X) ==> X
  fsub nnan ninf X, X ==> 0.0
  fadd nsz X, 0 ==> X
  fadd [nnan ninf] X, (fsub [nnan ninf] 0, X) ==> 0
    where nnan and ninf have to occur at least once somewhere in this expression
  fmul X, 1.0 ==> X



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169940 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 00:27:46 +00:00
Michael Ilseman
1d4b150704 Pattern matchers for floating point values
m_ConstantFP - match and bind a float constant
m_SpecificConstantFP - match a specific floating point value or vector of floats of that value
m_FPOne - match a floating point 1.0 or vector of 1.0s
m_NegZero - match -0.0
m_AnyZero - match 0 or -0.0



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169939 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 00:23:43 +00:00
Michael Ilseman
08b25ce0a1 Remove FIXMEs surrounding Constant[Data]Vectors, instead
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169938 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 00:21:43 +00:00
Evan Cheng
e07f85eb76 Replace TargetLowering::isIntImmLegal() with
ScalarTargetTransformInfo::getIntImmCost() instead. "Legal" is a poorly defined
term for something like integer immediate materialization. It is always possible
to materialize an integer immediate. Whether to use it for memcpy expansion is
more a "cost" conceern.


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2012-12-11 23:26:14 +00:00
Tom Stellard
f98f2ce29e Add R600 backend
A new backend supporting AMD GPUs: Radeon HD2XXX - HD7XXX

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169915 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 21:25:42 +00:00
Bill Schmidt
57ac1f458a This patch implements the general dynamic TLS model for 64-bit PowerPC.
Given a thread-local symbol x with global-dynamic access, the generated
code to obtain x's address is:

     Instruction                            Relocation            Symbol
  addis ra,r2,x@got@tlsgd@ha           R_PPC64_GOT_TLSGD16_HA       x
  addi  r3,ra,x@got@tlsgd@l            R_PPC64_GOT_TLSGD16_L        x
  bl __tls_get_addr(x@tlsgd)           R_PPC64_TLSGD                x
                                       R_PPC64_REL24           __tls_get_addr
  nop
  <use address in r3>

The implementation borrows from the medium code model work for introducing
special forms of ADDIS and ADDI into the DAG representation.  This is made
slightly more complicated by having to introduce a call to the external
function __tls_get_addr.  Using the full call machinery is overkill and,
more importantly, makes it difficult to add a special relocation.  So I've
introduced another opcode GET_TLS_ADDR to represent the function call, and
surrounded it with register copies to set up the parameter and return value.

Most of the code is pretty straightforward.  I ran into one peculiarity
when I introduced a new PPC opcode BL8_NOP_ELF_TLSGD, which is just like
BL8_NOP_ELF except that it takes another parameter to represent the symbol
("x" above) that requires a relocation on the call.  Something in the 
TblGen machinery causes BL8_NOP_ELF and BL8_NOP_ELF_TLSGD to be treated
identically during the emit phase, so this second operand was never
visited to generate relocations.  This is the reason for the slightly
messy workaround in PPCMCCodeEmitter.cpp:getDirectBrEncoding().

Two new tests are included to demonstrate correct external assembly and
correct generation of relocations using the integrated assembler.

Comments welcome!

Thanks,
Bill


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169910 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 20:30:11 +00:00
Rafael Espindola
0439f3e0cf Use an ArrayRef instead of a std::vector&.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169881 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 16:36:02 +00:00
Patrik Hagglund
34525f9ac0 Revert EVT->MVT changes, r169836-169851, due to buildbot failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169854 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 11:14:33 +00:00
Chandler Carruth
7550f96b2f Holding my nose and moving the accumulation routine to GEPOperator
instead of the instruction. I've left a forwarding wrapper for the
instruction so users with the instruction don't need to create
a GEPOperator themselves.

This lets us remove the copy of this code in instsimplify.

I've looked at most of the other copies of similar code, and this is the
only one I've found that is actually exactly the same. The one in
InlineCost is very close, but it requires re-mapping non-constant
indices through the cost analysis value simplification map. I could add
direct support for this to the generic routine, but it seems overly
specific.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169853 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 11:05:15 +00:00
Chandler Carruth
4ced4ee94b Hoist the GEP constant address offset computation to a common home on
the GEP instruction class.

This is part of the continued refactoring and cleaning of the
infrastructure used by SROA. This particular operation is also done in
a few other places which I'll try to refactor to share this
implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169852 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 10:29:10 +00:00
Patrik Hagglund
47fd10f2fc Change TargetLowering::getTypeForExtArgOrReturn to take and return
MVTs, instead of EVTs.

Accordingly, add bitsLT (and similar) to MVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169850 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 10:20:51 +00:00
Patrik Hagglund
1d367e9bcc Change a parameter of TargetLowering::getVectorTypeBreakdown to MVT,
from EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169849 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 10:16:19 +00:00
Patrik Hagglund
2d916231ff Change TargetLowering::RegisterTypeForVT to contain MVTs, instead of
EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169848 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 10:09:23 +00:00
Patrik Hagglund
235c75cc21 Change TargetLowering::TransformToType to contain MVTs, instead of
EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169847 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 10:05:04 +00:00
Patrik Hagglund
78a70f3c60 Change TargetLowering::getRepRegClassCostFor, getIndexedLoadAction,
getIndexedStoreAction, and addRegisterClass to take an MVT, instead
of EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169846 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 10:00:35 +00:00
Patrik Hagglund
bade0345d1 Change TargetLowering::findRepresentativeClass to take an MVT, instead
of EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169845 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 09:57:18 +00:00
Patrik Hagglund
bb2543bb0e Change TargetLowering::getTypeToPromoteTo to take and return MVTs,
instead of EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169844 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 09:54:23 +00:00
Patrik Hagglund
204301f045 Change TargetLowering::isCondCodeLegal to take an MVT, instead of EVT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169843 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 09:51:27 +00:00
Patrik Hagglund
aff674331e Change TargetLowering::getCondCodeAction to take an MVT, instead of
EVT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169842 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 09:48:14 +00:00
Patrik Hagglund
3166283ac1 Change TargetLowering::getTruncStoreAction to take MVTs, instead of EVTs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169841 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 09:42:24 +00:00
Patrik Hagglund
ffa03b7981 Change TargetLowering::getLoadExtAction to take an MVT, instead of EVT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169840 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 09:39:09 +00:00
Patrik Hagglund
968947766b Change TargetLowering::setTypeAction to take an MVT, instead fo EVT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169839 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 09:32:56 +00:00
Patrik Hagglund
aa7744d75f Change TargetLowering::getRepRegClassFor to take an MVT, instead of
EVT.

Accordingly, change RegDefIter to contain MVTs instead of EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169838 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 09:31:43 +00:00
Patrik Hagglund
8163ca76f0 Change TargetLowering::getRegClassFor to take an MVT, instead of EVT.
Accordingly, add helper funtions getSimpleValueType (in parallel to
getValueType) in SDValue, SDNode, and TargetLowering.

This is the first, in a series of patches.


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2012-12-11 09:10:33 +00:00
NAKAMURA Takumi
a98259eefa llvm/Target/TargetMachine.h: Remove two dependent headers.
-#include "llvm/Target/TargetTransformImpl.h"
-#include "llvm/TargetTransformInfo.h"

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2012-12-11 05:53:43 +00:00
Chad Rosier
425e951734 Fall back to the selection dag isel to select tail calls.
This shouldn't affect codegen for -O0 compiles as tail call markers are not
emitted in unoptimized compiles.  Testing with the external/internal nightly
test suite reveals no change in compile time performance.  Testing with -O1,
-O2 and -O3 with fast-isel enabled did not cause any compile-time or
execution-time failures.  All tests were performed on my x86 machine.
I'll monitor our arm testers to ensure no regressions occur there.

In an upcoming clang patch I will be marking the objc_autoreleaseReturnValue
and objc_retainAutoreleaseReturnValue as tail calls unconditionally.  While
it's theoretically true that this is just an optimization, it's an
optimization that we very much want to happen even at -O0, or else ARC
applications become substantially harder to debug.

Part of rdar://12553082

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169796 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 00:18:02 +00:00
Evan Cheng
376642ed62 Some enhancements for memcpy / memset inline expansion.
1. Teach it to use overlapping unaligned load / store to copy / set the trailing
   bytes. e.g. On 86, use two pairs of movups / movaps for 17 - 31 byte copies.
2. Use f64 for memcpy / memset on targets where i64 is not legal but f64 is. e.g.
   x86 and ARM.
3. When memcpy from a constant string, do *not* replace the load with a constant
   if it's not possible to materialize an integer immediate with a single
   instruction (required a new target hook: TLI.isIntImmLegal()).
4. Use unaligned load / stores more aggressively if target hooks indicates they
   are "fast".
5. Update ARM target hooks to use unaligned load / stores. e.g. vld1.8 / vst1.8.
   Also increase the threshold to something reasonable (8 for memset, 4 pairs
   for memcpy).

This significantly improves Dhrystone, up to 50% on ARM iOS devices.

rdar://12760078


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169791 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-10 23:21:26 +00:00