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Author SHA1 Message Date
Lang Hames
bae56b4c21 Kill off the LoopSplitter. It's not being used or maintained. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145897 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:57:59 +00:00
Bill Wendling
80caf9c273 Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145896 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:57:48 +00:00
Jim Grosbach
cb86509e7a Tidy up value checking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145895 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:53:17 +00:00
NAKAMURA Takumi
6482e91149 MipsAsmBackend.cpp, PPCAsmBackend.cpp: Fix -Asserts build to appease msvc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145894 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:48:32 +00:00
Lang Hames
9ad7e07a0f Update PBQP's analysis usage to reflect the requirements of the inline spiller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145893 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:45:57 +00:00
Chad Rosier
ed42c5f778 [arm-fast-isel] Doublewords only require word-alignment. 
rdar://10528060

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145891 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:44:17 +00:00
Jakob Stoklund Olesen
3e572ac2fb Align ARM constant pool islands via their basic block. 
Previously, all ARM::CONSTPOOL_ENTRY instructions had a hardwired
alignment of 4 bytes emitted by ARMAsmPrinter.  Now the same alignment
is set on the basic block.

This is in preparation of supporting ARM constant pool islands with
different alignments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145890 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:43:02 +00:00
Jakob Stoklund Olesen
8c741b8064 Use logarithmic units for basic block alignment. 
This was actually a bit of a mess. TLI.setPrefLoopAlignment was clearly
documented as taking log2(bytes) units, but the x86 target would still
set a preferred loop alignment of '16'.

CodePlacementOpt passed this number on to the basic block, and
AsmPrinter interpreted it as bytes.

Now both MachineFunction and MachineBasicBlock use logarithmic
alignments.

Obviously, MachineConstantPool still measures alignments in bytes, so we
can emulate the thrill of using as.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145889 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:26:19 +00:00
Bill Wendling
79df986c60 The compact encoding of the registers are 3-bits each. Make sure we shift the 
value over that much.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145888 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:26:14 +00:00
Jim Grosbach
d9a6e8978d Fix ARM handling of tBcc branch relaxation. 
rdar://10069056

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145885 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:08:19 +00:00
Jakob Stoklund Olesen
e80fba0e6c Use an existing function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145883 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:51:12 +00:00
Jakob Stoklund Olesen
757a3179b2 Fix unclear wording. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145882 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:51:09 +00:00
Jim Grosbach
370b78d795 Move target-specific logic out of generic MCAssembler. 
Whether a fixup needs relaxation for the associated instruction is a
target-specific function, as the FIXME indicated. Create a hook for that
and use it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145881 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:47:03 +00:00
Nick Lewycky
7c06741004 Expose a switch for the new gcov format. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145880 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:29:13 +00:00
Chad Rosier
dce42b75dc Probably not a good idea to convert a single vector load into a memcpy. We 
don't do this now, but add a test case to prevent this from happening in the
future.
Additional test for rdar://9892684

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145879 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:19:08 +00:00
Jim Grosbach
f68a26b5d8 Tidy up. Hard tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145878 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:13:09 +00:00
Jim Grosbach
91f2cce231 Tidy up. Hard tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145877 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:12:12 +00:00
Nick Lewycky
e229248cb1 All these arguments are default anyways. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145876 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:11:58 +00:00
Jim Grosbach
fdedd48624 Tidy up. 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145875 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:11:13 +00:00
Jim Grosbach
f77d5b14af Switch MCAssembler to method names starting w/ lower-case. 
per http://llvm.org/docs/CodingStandards.html#ll_naming

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145873 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 00:03:48 +00:00
Jim Grosbach
f503ef6800 Simple branch relaxation for Thumb2 Bcc instructions. 
Not right yet, as the rules for when to relax in the MCAssembler aren't
(yet) correct for ARM. This is a step in the proper direction, though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145871 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 23:45:46 +00:00
Jim Grosbach
5792051bfc Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145870 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 23:20:14 +00:00
Nick Lewycky
aa21e417f2 Silence tsan false-positives (tsan can't track things which are only safe due to 
memory fences) in statistics registration, which works the same way that
ManagedStatic registration does.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145869 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 23:07:05 +00:00
Chad Rosier
a4b6fd5be0 Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145866 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 22:53:09 +00:00
Chad Rosier
d8bd26ee24 Make the MemCpyOptimizer a bit more aggressive. I can't think of a scenerio 
where this would be bad as the backend shouldn't have a problem inlining small
memcpys.
rdar://10510150

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145865 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 22:37:00 +00:00
Jim Grosbach
713c70238c Tweak ADDrr fix. Bad check for explicit .w 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145863 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 22:27:04 +00:00
Jim Grosbach
6e507c645d Update tests for r145860. Add a few new ones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145861 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 22:21:28 +00:00
Jim Grosbach
927b9df4c6 Thumb2 prefer ADD register encoding T2 to T3 when possible. 
rdar://10529664


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145860 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 22:16:39 +00:00
Bill Wendling
9bd5d044b7 Move 'returns_twice' definition into alphabetical place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145854 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 21:27:54 +00:00
Akira Hatanaka
d6bc5237d8 Add definitions of 64-bit extract and insert instrucions and make 
PerformANDCombine and PerformOrCombine aware of them. Test cases are included
too.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145853 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 21:26:34 +00:00
Akira Hatanaka
cee46abc16 Split ExtIns into two base classes and have instructions EXT and INS derive from 
them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145852 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 21:14:28 +00:00
Jim Grosbach
da84786bee Thumb2 prefer encoding T3 to T4 for ADD/SUB immediate instructions. 
rdar://10529348


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145851 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 21:06:26 +00:00
Akira Hatanaka
2bf08ec854 Have LowerJumpTable support Mips64. Modify 2010-07-20-Switch.ll to test N64 and 
O32 with relocation-model=pic too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145850 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 21:03:03 +00:00
Jim Grosbach
253ef7a779 ARM assembly parsing for the rest of the VMUL data type aliases. 
Finish up rdar://10522016.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145846 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 20:29:59 +00:00
Jim Grosbach
422faab909 Fix previous commit. Oops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145844 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 20:12:26 +00:00
Jim Grosbach
45755a77ec Tidy up. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145843 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 20:09:44 +00:00
Jim Grosbach
afb500ace1 ARM assmebler parsing for two-operand VMUL instructions. 
Combined destination and first source operand for f32 variant of the VMUL
(by scalar) instruction.

rdar://10522016

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145842 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 19:55:46 +00:00
Anna Zaks
e15402f92b Change the Dominators recalculate() function to only rely on GraphTraits 
This is a patch by Guoping Long!

As part of utilizing LLVM Dominator computation in Clang, made two changes to LLVM dominators tree implementation:

 - (1) Change the recalculate() template function to only rely on GraphTraits.
 - (2) Add a size() method to GraphTraits template class to query the number of nodes in the graph.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145837 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 19:17:04 +00:00
Hal Finkel
fef3f9aed3 Add test case - this input used to crash because of duplicate generation of SPILL_CRs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145820 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 17:55:22 +00:00
Hal Finkel
3fd0018af1 enable PPC register scavenging by default (update tests and remove some FIXMEs) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145819 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 17:55:17 +00:00
Hal Finkel
9489487f98 don't include CR bit subregs in callee-saved list 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145818 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 17:55:12 +00:00
Hal Finkel
c4785181a1 remove wasted space for extra bit copies of CR2 subregs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145817 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 17:55:06 +00:00
Hal Finkel
2e313caa36 add register pressure for CR regs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145816 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 17:54:17 +00:00
Benjamin Kramer
4da7f90b17 Add a little heuristic to Value::isUsedInBasicBlock to speed it up for small basic blocks. 
- Calling getUser in a loop is much more expensive than iterating over a few instructions.
- Use it instead of the open-coded loop in AddrModeMatcher.
- 5% speedup on ARMDisassembler.cpp Release builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145810 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 17:23:27 +00:00
NAKAMURA Takumi
27de2a54f3 test/CodeGen/X86/pointer-vector.ll: Add explicit -mtriple=i686-linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145805 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 07:54:57 +00:00
Craig Topper
1dc0fbc168 Remove some leftover remnants that once tried to create 64-bit MMX PALIGNR instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145804 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 07:27:14 +00:00
Craig Topper
beabc6cc6d Clean up and optimizations to the X86 shuffle lowering code. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145803 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 06:56:46 +00:00
Nadav Rotem
1608769abe Add support for vectors of pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145801 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 06:29:09 +00:00
Jakub Staszak
8e1b12ae68 Fix table of contents. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145793 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-04 20:44:25 +00:00
Jakub Staszak
b170e2de83 Add 'llvm.expect' intrinsic description. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145792 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-04 18:29:26 +00:00