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Author SHA1 Message Date
Owen Anderson
646c3e1e3d Forgot to commit these. 
llvm-svn: 85180
 2009-10-26 23:56:52 +00:00
Owen Anderson
a8d6745830 Add a straight-forward implementation of SCCVN for aggressively eliminating scalar redundancies. 
llvm-svn: 85179
 2009-10-26 23:55:47 +00:00
Evan Cheng
a883c2ebb7 Change ARM asm strings to separate opcode from operands with a tab instead of a space. 
llvm-svn: 85178
 2009-10-26 23:45:59 +00:00
Victor Hernandez
d6e238c611 Remove all references to MallocInst and FreeInst 
llvm-svn: 85177
 2009-10-26 23:44:29 +00:00
Victor Hernandez
673c036bc7 Remove FreeInst. 
Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.

llvm-svn: 85176
 2009-10-26 23:43:48 +00:00
Bob Wilson
5a870f848e Try to get ahead of Johnny Chen and pro-actively add some more ARM encoding 
bits.  Johnny, please review -- I do not have a good track record of getting
these right.

llvm-svn: 85173
 2009-10-26 22:59:12 +00:00
Edward O'Callaghan
e9e8913261 Convert a few tests to FileCheck for PR5307. 
llvm-svn: 85171
 2009-10-26 22:52:03 +00:00
Bob Wilson
ace97183c7 Fix ARM encoding typo: Opcod3 is not passed to ASuI parent class. 
Patch by Johnny Chen.

llvm-svn: 85169
 2009-10-26 22:42:13 +00:00
Bob Wilson
32ee4ee163 Add more ARM instruction encodings for 's' bit set and "rs" register encoding 
bits.  Patch by Johnny Chen.

llvm-svn: 85167
 2009-10-26 22:34:44 +00:00
David Goodwin
0b5b62bfcf Allow the aggressive anti-dep breaker to process the same region multiple times. This is necessary because new anti-dependencies are exposed when "current" ones are broken. 
llvm-svn: 85166
 2009-10-26 22:31:16 +00:00
Dan Gohman
3f14cd3282 Simplify this code. LoopDeletion doesn't need to explicit check that 
the loop exiting block dominates the latch block; if ScalarEvolution
can prove that the trip-count is finite, that's sufficient.

llvm-svn: 85165
 2009-10-26 22:18:58 +00:00
Dan Gohman
795e3db7ce Code that checks WillNotOverflowSignedAdd before creating an Add 
can safely use the NSW bit on the Add.

llvm-svn: 85164
 2009-10-26 22:14:22 +00:00
Ted Kremenek
acb9fe806e Update CMake files. 
llvm-svn: 85161
 2009-10-26 22:06:01 +00:00
Dan Gohman
c8468855a7 Teach BasicAA how to analyze Select instructions, and make it more 
aggressive on PHI instructions.

llvm-svn: 85158
 2009-10-26 21:55:43 +00:00
Julien Lerouge
d2861eb219 Remove / use flags that are now set in the Makefile.config. 
llvm-svn: 85149
 2009-10-26 20:01:35 +00:00
Julien Lerouge
a282c958d0 Regenerate. 
llvm-svn: 85148
 2009-10-26 20:00:35 +00:00
Julien Lerouge
b36e2ea7e1 Add an autoconf test to check for optional compiler flags like 
-Wno-missing-field-initializers or -Wno-variadic-macros.

llvm-svn: 85147
 2009-10-26 19:58:44 +00:00
David Goodwin
35fab8a585 Define virtual destructor in *.cpp file. 
llvm-svn: 85146
 2009-10-26 19:41:00 +00:00
David Goodwin
62dc7a4d93 Add aggressive anti-dependence breaker. Currently it is not the default for any target. Enable with -break-anti-dependencies=all. 
llvm-svn: 85145
 2009-10-26 19:32:42 +00:00
Dan Gohman
05a91cc09f Check in the experimental GEP splitter pass. This pass splits complex 
GEPs (more than one non-zero index) into simple GEPs (at most one
non-zero index).  In some simple experiments using this it's not
uncommon to see 3% overall code size wins, because it exposes
redundancies that can be eliminated, however it's tricky to use
because instcombine aggressively undoes the work that this pass does.

llvm-svn: 85144
 2009-10-26 19:12:14 +00:00
David Goodwin
225165aae1 Add virtual destructor. 
llvm-svn: 85141
 2009-10-26 19:00:47 +00:00
Anton Korobeynikov
4f40949874 Revert r85134, it breaks mingw build 
llvm-svn: 85138
 2009-10-26 18:40:24 +00:00
Dan Gohman
7c0dc4ab00 Add CreateZExtOrBitCast and CreateSExtOrBitCast to TargetFolder 
for consistency with ConstantFolder.

llvm-svn: 85137
 2009-10-26 18:36:40 +00:00
Dan Gohman
97690f7a2a When checking whether a def of an aliased register is dead, ask the 
machineinstr whether the aliased register is dead, rather than the original
register is dead. This allows it to get the correct answer when examining
an instruction like this:
  CALLpcrel32 <ga:foo>, %AL<imp-def>, %EAX<imp-def,dead>
where EAX is dead but a subregister of it is still live. This fixes PR5294.

llvm-svn: 85135
 2009-10-26 18:26:18 +00:00
Sanjiv Gupta
7ea628e8db Make PIC16 overlay a loadable pass. 
llvm-svn: 85134
 2009-10-26 18:22:59 +00:00
Devang Patel
9027c8f10f Do not use expensive sort(). 
llvm-svn: 85130
 2009-10-26 17:09:00 +00:00
David Goodwin
f6199e95b0 Break anti-dependence breaking out into its own class. 
llvm-svn: 85127
 2009-10-26 16:59:04 +00:00
Devang Patel
9eb437047b Add support to encode type info using llvm::Constant. 
Patch by Talin!

llvm-svn: 85126
 2009-10-26 16:54:35 +00:00
Dan Gohman
7e7f34ab55 Fix a typo in a comment. 
llvm-svn: 85120
 2009-10-26 15:55:24 +00:00
Chris Lattner
7f9ddaf7e3 reapply r85085 with a bugfix to avoid infinite looping. 
All of the 'demorgan' related xforms need to use 
dyn_castNotVal, not m_Not.

llvm-svn: 85119
 2009-10-26 15:40:07 +00:00
Dan Gohman
3d0c010ee4 Make LSR's OptimizeShadowIV ignore induction variables with negative 
strides for now, because it doesn't handle them correctly. This fixes a
miscompile of SingleSource/Benchmarks/Misc-C++/ray.

This problem was usually hidden because indvars transforms such induction
variables into negations of canonical induction variables.

llvm-svn: 85118
 2009-10-26 15:32:57 +00:00
Evan Cheng
4443642def - Revert some changes from 85044, 85045, and 85047 that broke x86_64 tests and 
bootstrapping. It's not safe to leave identity subreg_to_reg and insert_subreg
  around.
- Relax register scavenging to allow use of partially "not-live" registers. It's
  common for targets to operate on registers where the top bits are undef. e.g.
  s0 =
  d0 = insert_subreg d0<undef>, s0, 1
  ...
     = d0
  When the insert_subreg is eliminated by the coalescer, the scavenger used to
  complain. The previous fix was to keep to insert_subreg around. But that's
  brittle and it's overly conservative when we want to use the scavenger to 
  allocate registers. It's actually legal and desirable for other instructions
  to use the "undef" part of d0. e.g.
  s0 =
  d0 = insert_subreg d0<undef>, s0, 1
  ...
  s1 =
     = s1
     = d0
  We probably need add a "partial-undef" marker on machine operand so the
  machine verifier would not complain.

llvm-svn: 85091
 2009-10-26 04:56:07 +00:00
Evan Cheng
7dad155ec7 Revert 85085. It causes infinite looping during llvm-gcc build. 
llvm-svn: 85090
 2009-10-26 03:51:32 +00:00
Edward O'Callaghan
43d45b084e Fix gmake check for AuroraUX triple. 
llvm-svn: 85088
 2009-10-26 02:37:56 +00:00
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +00:00
Chris Lattner
192549ef70 Implement PR3266 & PR5276, folding: 
not (or (icmp, icmp)) -> and(icmp, icmp)

llvm-svn: 85085
 2009-10-26 01:06:31 +00:00
Chris Lattner
c88c01adb6 convert or.ll to filecheck and merge or2 into it. 
llvm-svn: 85083
 2009-10-25 23:47:55 +00:00
Chandler Carruth
88cbba7934 Remove stale reference to ThreadSupport.h. 
llvm-svn: 85082
 2009-10-25 23:41:56 +00:00
Chris Lattner
e3508acbef fix PR5295 where the .ll parser didn't reject a function after a global 
or global after a function with conflicting names.  Update some testcases
that were accidentally depending on this behavior.

llvm-svn: 85081
 2009-10-25 23:22:50 +00:00
Daniel Dunbar
4a18e32e25 Suppress -Asserts warning. 
llvm-svn: 85078
 2009-10-25 23:11:06 +00:00
Chris Lattner
2f00168ed8 fix PR5186: the JIT shouldn't try to codegen available_externally 
functions it should just look them up like declarations.

llvm-svn: 85077
 2009-10-25 23:06:42 +00:00
Chandler Carruth
6e9cf74969 Remove unused includes. 
llvm-svn: 85074
 2009-10-25 22:38:41 +00:00
Jim Grosbach
eae0e509c0 of -> or 
llvm-svn: 85065
 2009-10-25 19:14:48 +00:00
Jim Grosbach
29b842a6c1 80-column cleanup 
llvm-svn: 85064
 2009-10-25 18:55:46 +00:00
Sanjiv Gupta
18574b11b0 Reapply 85006 with a minor fix. 
llvm-svn: 85052
 2009-10-25 08:14:11 +00:00
Evan Cheng
a308ae55a5 Add a couple of ARM cross-rc coalescing tests. 
llvm-svn: 85051
 2009-10-25 08:01:41 +00:00
Evan Cheng
1c169777ca Update tests. 
llvm-svn: 85050
 2009-10-25 07:53:48 +00:00
Evan Cheng
d748ce45ab Add ARM getMatchingSuperRegClass to handle S / D / Q cross regclass coalescing. 
llvm-svn: 85049
 2009-10-25 07:53:28 +00:00
Evan Cheng
77ecc0adc5 Don't forget subreg indices when folding load / store. 
llvm-svn: 85048
 2009-10-25 07:52:27 +00:00
Evan Cheng
859d9f3b07 Use isIdentityCopy. Fix a bozo bug (flipped condition) in InvalidateRegDef. 
llvm-svn: 85047
 2009-10-25 07:51:47 +00:00