Commit Graph

86253 Commits

Author SHA1 Message Date
Bill Schmidt
01d013ec04 This patch adds alignment information for long double to the 64-bit PowerPC
ELF subtarget.

The existing logic is used as a fallback to avoid any changes to the Darwin
ABI.  PPC64 ELF now has two possible data layout strings: one for FreeBSD,
which requires 8-byte alignment, and a default string that requires
16-byte alignment.

I've added a test for PPC64 Linux to verify the 16-byte alignment.  If
somebody wants to add a separate test for FreeBSD, that would be great.

Note that there is a companion patch to update the alignment information
in Clang, which I am committing now as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166928 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 14:59:36 +00:00
Duncan Sands
edece78550 Factorize code: rather than duplication the logic in getPointerTypeSizeInBits,
just call getPointerTypeSizeInBits.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166926 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 14:30:05 +00:00
Duncan Sands
f578922cbc Loads and stores without an explicit alignment use the abi alignment not the
preferred alignment.  Correct the documentation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166925 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 14:12:44 +00:00
Duncan Sands
2c7b44592f Rather than duplicating the getPointerSize code just call getPointerSize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 12:19:04 +00:00
Duncan Sands
34739054ec Silence a GCC warning about comparing signed and unsigned types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 11:29:53 +00:00
Tim Northover
b210e6fea5 Align the data section correctly when loading an ELF file.
Patch by Amara Emerson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166920 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 10:47:07 +00:00
Tim Northover
f00677d74f Make use of common-symbol alignment info in ELF loader.
Patch by Amara Emerson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 10:47:04 +00:00
Tim Northover
a41dce3c64 Add interface for querying object files for symbol values.
Currently only implemented for ELF.

Patch by Amara Emerson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166918 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 10:47:00 +00:00
Evgeniy Stepanov
976f770e2d va_start, va_end, va_copy: InstrinsicInst subclasses and InstVisitor support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166916 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 09:39:03 +00:00
Nadav Rotem
e49816076c Calling TLI->getNumRegisters creates a circular dependency when building LLVM using cmake.
Get the number of registers by calling getTypeLegalizationCost.

PR14199.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166911 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 05:28:35 +00:00
Lang Hames
8a5ec5d415 Remove unused typedef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166910 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 04:57:52 +00:00
Rafael Espindola
ca88ceea52 Add -alias and -ralias options to match what we have for functions and
globals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166909 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 02:23:07 +00:00
Rafael Espindola
9cb90e7c15 llvm-extract changes linkages so that functions on both sides of the
split module can see each other. If it is keeping a symbol that already has
a non local linkage, it doesn't need to change it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166908 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 01:59:03 +00:00
Rafael Espindola
c0916d30e0 llvm-extract was unable to handle aliases. It would leave a copy on the
output of both

llvm-extract foo.ll -func=bar
and
llvm-extract foo.ll -func=bar -delete

so the two new files could not be linked together anymore. With this change
alias are handled almost like functions and global variables. Almost because
with alias we cannot just clear the initializer/body, we have to create a new
declaration and replace the alias with it.

The net result is that now the output of the above commands can be linked
even if foo.ll has aliases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166907 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29 00:27:55 +00:00
Reed Kotler
3a9f4568fb Implement brind operator for mips16.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166903 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-28 23:08:07 +00:00
Rafael Espindola
0d91c0b519 Remove TargetELFWriterInfo.
All the credit goes to Jan Voung for noticing it was dead!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-28 21:34:43 +00:00
Reed Kotler
f99998a2b0 This patch is for the implementation of mips16 complex pattern addr16.
Previously mips16 was sharing the pattern addr which is used for mips32
and mips64. This had a number of problems:
1) Storing and loading byte and halfword quantities for mips16 has particular
problems due to the primarily non mips16 nature of SP. When we must
load/store byte/halfword stack objects in a function, we must create a mips16
alias register for SP. This functionality is tested in stchar.ll.
2) We need to have an FP register under certain conditions (such as 
dynamically sized alloca). We use mips16 register S0 for this purpose.
In this case, we also use this register when accessing frame objects so this
issue also affects the complex pattern addr16. This functionality is
tested in alloca16.ll.

The Mips16InstrInfo.td has been updated to use addr16 instead of addr.

The complex pattern C++ function for addr has been copied to addr16 and
updated to reflect the above issues.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166897 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-28 06:02:37 +00:00
Jakob Stoklund Olesen
163f67f4d9 Never attempt to join an early-clobber def with a regular kill.
This fixes PR14194.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166880 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 17:41:27 +00:00
Benjamin Kramer
badffcf8fd LoopIdiom: Add checks to avoid turning memmove into an infinite loop.
I don't think this is possible with the current implementation but that may change eventually.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166877 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 15:18:28 +00:00
Benjamin Kramer
d11c5d08a5 LoopIdiom: Recognize memmove loops.
This turns loops like
  for (unsigned i = 0; i != n; ++i)
    p[i] = p[i+1];
into memmove, which has a highly optimized implementation in most libcs.

This was really easy with the new DependenceAnalysis :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166875 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 14:25:51 +00:00
Benjamin Kramer
96c8735e28 LoopIdiom: Replace custom dependence analysis with DependenceAnalysis.
Requires a lot less code and complexity on loop-idiom's side and the more
precise analysis can catch more cases, like the one I included as a test case.
This also fixes the edge-case miscompilation from PR9481.

Compile time performance seems to be slightly worse, but this is mostly due
to an extra LCSSA run scheduled by the PassManager and should be fixed there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166874 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 14:25:44 +00:00
Benjamin Kramer
974d98d730 SCEV validator: Ignore CouldNotCompute/undef on both sides. This is mostly noise and blocks finding more severe bugs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 11:36:07 +00:00
Benjamin Kramer
cb8b8ea2b6 SCEV validator: Add workarounds for some common false positives due to the way it handles strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166872 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 10:45:01 +00:00
Chandler Carruth
d62fd65e72 Clarify that there is an option other than OAuth for Phabricator and
offer up my email to the spam lords for it. Hopefully this will
eventually be more automatic, but we don't want people to think there is
only one option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166870 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 09:47:33 +00:00
Hal Finkel
46fb81cf40 Update BBVectorize to use the new VTTI instr. cost interfaces.
The monolithic interface for instruction costs has been split into
several functions. This is the corresponding change. No functionality
change is intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166865 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 04:33:48 +00:00
Nadav Rotem
f065a84677 1. Fix a bug in getTypeConversion. When a *simple* type is split, we need to return the type of the split result.
2. Change the maximum vectorization width from 4 to 8.
3. A test for both.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166864 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 04:11:32 +00:00
Quentin Colombet
80acd97266 [code size][ARM] Emit regular call instructions instead of the move, branch sequence
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166854 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 01:10:17 +00:00
Reed Kotler
7797e8f901 Implement MipsHi for mips16
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166852 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 00:57:14 +00:00
Akira Hatanaka
21a9a98b77 [mips] Do not tail-call optimize vararg functions or functions with byval
arguments.

This is rather conservative and should be fixed later to be more aggressive.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166851 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 00:56:56 +00:00
Akira Hatanaka
4618e0b574 [mips] Make sure FuncArg doesn't advance when OrigArgIndex is the same as in the
previous iteration.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166850 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 00:44:39 +00:00
Akira Hatanaka
fe30a9be40 Use the methods and classes that were added to simplify LowerCall and
LowerFormalArguments in MipsTargetLowering.

No functionality change intended.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166846 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 00:29:43 +00:00
Akira Hatanaka
f084847373 Add method MipsTargetLowering::writeVarArgRegs which copies argument registers
of vararg functions back to the stack.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166844 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 00:21:13 +00:00
Akira Hatanaka
db40edeb11 Add method MipsTargetLowering::passByValArg.
This method emits nodes for passing byval arguments in registers and stack.
This has the same functionality as existing functions PassByValArg64 and
WriteByValArg which will be deleted later.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166843 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 00:16:36 +00:00
Akira Hatanaka
eb98ae46bc Add method MipsTargetLowering::copyByValRegs.
This method copies byval arguments passed in registers onto the stack and has
the same functionality as existing functions CopyMips64ByValRegs and
ReadByValArg which will be deleted later.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166841 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27 00:10:18 +00:00
Akira Hatanaka
7887c90a7b Add class MipsCC which provides methods used to analyze formal and call
arguments and inquire about calling convention information.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166840 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 23:56:38 +00:00
Akira Hatanaka
3649255e14 Delete MipsFunctionInfo::InArgFIRange.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166837 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 23:49:51 +00:00
Nadav Rotem
a5a3a61c5f Refactor the VectorTargetTransformInfo interface.
Add getCostXXX calls for different families of opcodes, such as casts, arithmetic, cmp, etc.

Port the LoopVectorizer to the new API.

The LoopVectorizer now finds instructions which will remain uniform after vectorization. It uses this information when calculating the cost of these instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166836 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 23:49:28 +00:00
Jakob Stoklund Olesen
17f42e02a1 Revert r163298 "Optimize codegen for VSETLNi{8,16,32} operating on Q registers."
Keep the integer_insertelement test case, the new coalescer can handle
this kind of lane insertion without help from pseudo-instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166835 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 23:39:46 +00:00
Kaelyn Uhrain
61fac6810f Avoid an unused-variable warning when asserts are disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166834 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 23:28:41 +00:00
Jakob Stoklund Olesen
96e6da4841 Reduce indentation with early exit.
No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166829 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 23:05:13 +00:00
Jakob Stoklund Olesen
0de4fd23a7 Also make the current basic block a class member.
Don't pass it around everywhere as a function argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166828 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 23:05:10 +00:00
Reed Kotler
25424154f4 implement mips16 tls global addr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166827 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 22:57:32 +00:00
Lang Hames
f29c05e883 MCRegisterClass should be returned by const ref, not by value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166822 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 22:14:10 +00:00
Jordan Rose
715672c643 Suggest llvm_unreachable over assert(0).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 22:08:46 +00:00
Jakob Stoklund Olesen
002ef57e84 Make the Processed set a class member.
Don't pass it everywhere as an argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166820 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 22:06:00 +00:00
Chad Rosier
ddb53ef4a8 [ms-inline asm] Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166819 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 22:01:25 +00:00
Jakob Stoklund Olesen
be5ec8c4b2 80 col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166818 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 21:46:57 +00:00
Jakob Stoklund Olesen
b1f994af58 Remove ARMBaseRegisterInfo::isReservedReg().
It is just as easy to use MRI::isReserved() now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166817 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 21:43:05 +00:00
Jakob Stoklund Olesen
cd275f5687 Add GPRPair Register class to ARM.
Some instructions in ARM require 2 even-odd paired GPRs. This
patch adds support for such register class.

Patch by Weiming Zhao!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166816 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 21:29:15 +00:00
Jakob Stoklund Olesen
6db893660f Fix whitespace and function names to be coding standardy.
No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166814 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26 21:12:49 +00:00