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Author SHA1 Message Date
Evan Cheng
9831f2d585 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126467 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 01:29:29 +00:00
Cameron Zwarich
8fbbdca45c Set NumSignBits to 1 if KnownZero/KnownOne are being zero extended. In theory it 
is possible to do better if the high bit is set in either KnownZero/KnownOne, but
in practice NumSignBits is always 1 when we are zero extending because nothing
is known about that register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126465 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 01:11:01 +00:00
Cameron Zwarich
33b554795d We only want to zero extend the existing information if the bit width is 
actually larger.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126464 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 01:10:55 +00:00
Jakob Stoklund Olesen
57f1e2cee0 Try harder to get the hint by preferring to evict hint interference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126463 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 01:04:22 +00:00
Evan Cheng
acca09bd64 Each prologue may have multiple vpush instructions to store callee-saved 
D registers since the vpush list may not have gaps. Make sure the stack
adjustment instruction isn't moved between them. Ditto for vpop in
epilogues.

Sorry, can't reduce a small test case.
rdar://9043312


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126457 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 00:24:46 +00:00
Benjamin Kramer
9ae59e3444 SimplifyCFG: GEPs with just one non-constant index are also cheap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126452 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 23:26:09 +00:00
Jakob Stoklund Olesen
107d366df7 Tweak the register allocator priority queue some more. 
New live ranges are assigned in long -> short order, but live ranges that have
been evicted at least once are deferred and assigned in short -> long order.

Also disable splitting and spilling for live ranges seen for the first time.

The intention is to create a realistic interference pattern from the heavy live
ranges before starting splitting and spilling around it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126451 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 23:21:36 +00:00
Nick Lewycky
4e671437ed Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126450 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 23:15:43 +00:00
Benjamin Kramer
9b61c550c2 SimplifyCFG: GEPs with constant indices are cheap enough to be executed unconditionally. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126445 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 22:46:11 +00:00
Joerg Sonnenberger
93c65e6e66 Restore r125595 (reverted in r126336) with modifications: 
Introduce a variable in the AsmParserExtension whether [] is valid in an
expression. If it is true, parse them like (). Enable this for ELF only.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126443 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:59:22 +00:00
Chris Lattner
12d18a07a0 remove command line option debugging hook. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126441 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:53:03 +00:00
Argyrios Kyrtzidis
8bef800aaa In utils/TableGen/ClangSACheckersEmitter.cpp, set the 'Hidden' bit for checkers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126436 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:33:49 +00:00
Rafael Espindola
e9efea1194 Switch LTO to use MC. This takes the linking of libxul.so from about 7m to 
6m30.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126426 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:04:06 +00:00
Devang Patel
f410608271 Enable DebugInfo support for COFF object files. 
Patch by Nathan Jeffords!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126425 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:04:00 +00:00
Nadav Rotem
8c20ec54d9 Enable support for vector sext and trunc: 
Limit the folding of any_ext and sext  into the load operation to scalars.
Limit the active-bits trunc optimization to scalars.
Document vector trunc and vector sext in LangRef.

Similar to commit 126080 (for enabling zext).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126424 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:01:34 +00:00
Rafael Espindola
0412d5b40a Fix llvm-gcc bootstrap with gnu ld. 
The problem was codegen guessing the wrong values and printing

	.section	.eh_frame,"aMS",@progbits,4

It is not clear at all if Codegen should try to guess, MC is the
one that should know the default flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126421 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 20:18:01 +00:00
Devang Patel
3a96275200 Remove obsolete tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126402 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 19:09:52 +00:00
Devang Patel
3fe3424a21 Move arch specific tests in arch specific directories. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126401 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 19:06:27 +00:00
Chris Lattner
9992fcad68 fit in 80 cols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126399 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 18:59:38 +00:00
Devang Patel
afd0d0e8a7 Do not use DIFactory. Use DIBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126398 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 18:49:55 +00:00
Devang Patel
0eea95d1cd Do not use DIFactory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126397 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 18:49:30 +00:00
Richard Osborne
21d7eb3f3b Add XCore intrinsic for eeu instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126384 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 13:39:18 +00:00
NAKAMURA Takumi
027f98cd3b test/lit.cfg: Add PATHEXT to 'substitution', to recognize tools on Windows hosts. Thanks to Danil Malyshev! 
Some tests on Windows use the "not" utility and fail with an error "program not executable". The reason for this error is that the name of the executable file sended to the "not" without the extension.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126383 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 12:34:34 +00:00
Duncan Sands
f7e9ad7172 Rewrite the vector part of getExtendedTypeAction to make it more 
understandable (at least I find it easier to understand like this).
No intended functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126382 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 11:54:18 +00:00
Benjamin Kramer
f26be1e965 Plug some leaks in edis. 
- Don't leak parsed operands during tokenization.
- Don't leak printed insts in llvm-mc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126381 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 11:03:19 +00:00
Cameron Zwarich
8ca814c4e0 Merge information about the number of zero, one, and sign bits of live-out 
registers at phis. This enables us to eliminate a lot of pointless zexts during
the DAGCombine phase. This fixes <rdar://problem/8760114>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126380 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 10:00:25 +00:00
Cameron Zwarich
9b6af8de58 Add a getNumSignBits() method to APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126379 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 10:00:20 +00:00
Cameron Zwarich
324a24f6aa Add a mechanism for invalidating the LiveOutInfo of a PHI, and use it whenever 
a block is visited before all of its predecessors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126378 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 10:00:16 +00:00
Cameron Zwarich
a46cd97818 Track blocks visited in reverse postorder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126377 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 10:00:13 +00:00
Cameron Zwarich
e1497b9791 Refactor the LiveOutInfo interface into a few methods on FunctionLoweringInfo 
and make the actual map private.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126376 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 10:00:08 +00:00
Cameron Zwarich
2dbe2850d0 Have isel visit blocks in reverse postorder rather than an undefined order. This 
allows for the information propagated across basic blocks to be merged at phis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126375 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 10:00:04 +00:00
Chris Lattner
afbf48363a wire TargetLibraryInfo into simplify libcalls and use it in a couple of 
trivial places.  This pass needs a lot of work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126367 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 07:16:14 +00:00
Chris Lattner
e265ad8678 move a massive amount of code out into its own helper function 
to reduce nesting.  This needs to be turned into a table.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126366 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 07:12:12 +00:00
Chris Lattner
091b1e3c74 change instcombine to not turn a call to non-varargs bitcast of 
function prototype into a call to a varargs prototype.  We do
allow the xform if we have a definition, but otherwise we don't
want to risk that we're changing the abi in a subtle way.  On
X86-64, for example, varargs require passing stuff in %al.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126363 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 05:10:56 +00:00
Evan Cheng
7558e2e415 Fix bug in X86 folding / unfolding table. Int_CMPSDrm and Int_CMPSSrm memory 
operands starts at index 2, not 1.
rdar://9045024
PR9305


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126359 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 02:36:52 +00:00
Jakob Stoklund Olesen
b2597268c2 Use the same spill slot for all live ranges that descend form the same original 
register.

This avoids some silly stack slot shuffling when both sides of a copy get
spilled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126353 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 01:07:55 +00:00
Michael J. Spencer
fae7f6de9e Depricate PathV1::isAbsolute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126348 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 01:02:32 +00:00
Devang Patel
3a4ae32ed7 Use DW_FORM_data2 for DW_AT_language and let users use DW_LANG_lo_user=0x8000 to DW_LANG_hi_user=0xffff range. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 22:37:04 +00:00
Devang Patel
1d6b2c74c0 Check only relevant strings in output to increase stability of the tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126338 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 22:35:57 +00:00
Jim Grosbach
f956183643 Remove file. Previous commit deleted content, but left the file around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126337 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 21:43:31 +00:00
Jim Grosbach
33b7bebca4 Revert r125595, which is an X86-only undocumented assembly syntax extension 
enabled for all targets. Non-X86 targets should not have this behavior
enabled by default.

Joerg, if you would like to resubmit with the behavior conditionalized to be
X86-ELF only, that's fine.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126336 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 21:26:51 +00:00
Rafael Espindola
21451e533f Put in the symbol table symbols only used in a .globl statement. 
Fixes PR9292.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126330 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 20:22:07 +00:00
Richard Osborne
d04b4937d1 Add XCore intrinsic for clre instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126322 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 18:52:05 +00:00
Richard Osborne
9935bd0819 Add llvm.xcore.waitevent intrinsic. The effect of this intrinsic is to enable 
events on the thread and wait until a resource is ready to event. The vector
of the resource that is ready is returned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126320 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 18:35:59 +00:00
Jakob Stoklund Olesen
c70f687dce It is safe to ignore LastSplitPoint when the variable is not live out. 
No code will be inserted after the split point anyway.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126319 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 18:26:31 +00:00
Richard Osborne
292f62e06f Add XCore intrinsic for the setv instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126315 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 16:46:37 +00:00
Richard Osborne
2254d0eaa1 Fix format for setc instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126314 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 15:20:16 +00:00
Richard Osborne
2a2cb28526 Add XCore intrinsic for settw instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126313 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 14:45:03 +00:00
Frits van Bommel
438208e8cb Implement TODO for implicit C-array-to-ArrayRef conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126311 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 13:43:06 +00:00
Oscar Fuentes
7d83dc0424 Export TARGET_TRIPLE on LLVM.cmake. It is necessary for running tests 
on Clang when it builds using LLVM as an external library.

Fixes PR9293.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126309 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 11:28:40 +00:00