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Author SHA1 Message Date
Bob Wilson
dda9583e51 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85173 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 22:59:12 +00:00
Edward O'Callaghan
d2d438e58d Convert a few tests to FileCheck for PR5307. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85171 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 22:52:03 +00:00
Bob Wilson
d9ecd3108f Fix ARM encoding typo: Opcod3 is not passed to ASuI parent class. 
Patch by Johnny Chen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85169 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 22:42:13 +00:00
Bob Wilson
7e053bb33c Add more ARM instruction encodings for 's' bit set and "rs" register encoding 
bits.  Patch by Johnny Chen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 22:34:44 +00:00
David Goodwin
e10deca33e 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85166 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 22:31:16 +00:00
Dan Gohman
06d4033a35 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85165 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 22:18:58 +00:00
Dan Gohman
fe3595555a Code that checks WillNotOverflowSignedAdd before creating an Add 
can safely use the NSW bit on the Add.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85164 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 22:14:22 +00:00
Ted Kremenek
7c44beaf93 Update CMake files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85161 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 22:06:01 +00:00
Dan Gohman
6665b0ea68 Teach BasicAA how to analyze Select instructions, and make it more 
aggressive on PHI instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85158 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 21:55:43 +00:00
Julien Lerouge
cadd4b9ced Remove / use flags that are now set in the Makefile.config. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85149 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 20:01:35 +00:00
Julien Lerouge
3a96a4d91c Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85148 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 20:00:35 +00:00
Julien Lerouge
8039e03777 Add an autoconf test to check for optional compiler flags like 
-Wno-missing-field-initializers or -Wno-variadic-macros.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85147 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 19:58:44 +00:00
David Goodwin
ada0ef86d9 Define virtual destructor in *.cpp file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85146 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 19:41:00 +00:00
David Goodwin
348777110a Add aggressive anti-dependence breaker. Currently it is not the default for any target. Enable with -break-anti-dependencies=all. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85145 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 19:32:42 +00:00
Dan Gohman
6000e253d4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85144 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 19:12:14 +00:00
David Goodwin
c932213e13 Add virtual destructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 19:00:47 +00:00
Anton Korobeynikov
8b5af25a14 Revert r85134, it breaks mingw build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85138 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 18:40:24 +00:00
Dan Gohman
e18700a09a Add CreateZExtOrBitCast and CreateSExtOrBitCast to TargetFolder 
for consistency with ConstantFolder.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85137 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 18:36:40 +00:00
Dan Gohman
91203cf87b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85135 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 18:26:18 +00:00
Sanjiv Gupta
be9e763697 Make PIC16 overlay a loadable pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85134 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 18:22:59 +00:00
Devang Patel
5a1033a8ed Do not use expensive sort(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85130 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 17:09:00 +00:00
Benjamin Kramer
06d1f6ce94 Some svn:ignore tweaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85128 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 17:01:20 +00:00
David Goodwin
2e7be612d5 Break anti-dependence breaking out into its own class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 16:59:04 +00:00
Devang Patel
ac16d44e58 Add support to encode type info using llvm::Constant. 
Patch by Talin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 16:54:35 +00:00
Dan Gohman
440e251c75 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85120 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 15:55:24 +00:00
Chris Lattner
48b59ec817 reapply r85085 with a bugfix to avoid infinite looping. 
All of the 'demorgan' related xforms need to use 
dyn_castNotVal, not m_Not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85119 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 15:40:07 +00:00
Dan Gohman
a8225083ba 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 15:32:57 +00:00
Evan Cheng
a5dc45e3c8 - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85091 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 04:56:07 +00:00
Evan Cheng
85def16079 Revert 85085. It causes infinite looping during llvm-gcc build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 03:51:32 +00:00
Edward O'Callaghan
7e43439e81 Fix gmake check for AuroraUX triple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85088 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 02:37:56 +00:00
Chandler Carruth
8b67f774e9 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 01:35:46 +00:00
Chris Lattner
863928fc39 Implement PR3266 & PR5276, folding: 
not (or (icmp, icmp)) -> and(icmp, icmp)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85085 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-26 01:06:31 +00:00
Chandler Carruth
1125f58efc Update the 'svn:ignore' property to remove stale file references. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85084 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 23:54:41 +00:00
Chris Lattner
f2b4854e3f convert or.ll to filecheck and merge or2 into it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85083 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 23:47:55 +00:00
Chandler Carruth
3d5ec9f0c1 Remove stale reference to ThreadSupport.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85082 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 23:41:56 +00:00
Chris Lattner
1d871c5e54 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85081 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 23:22:50 +00:00
Daniel Dunbar
22bbd9b9b8 Suppress -Asserts warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85078 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 23:11:06 +00:00
Chris Lattner
46264f020a fix PR5186: the JIT shouldn't try to codegen available_externally 
functions it should just look them up like declarations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 23:06:42 +00:00
Chandler Carruth
18ad485bf5 Remove unused includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 22:38:41 +00:00
Jim Grosbach
dd5694203b of -> or 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85065 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 19:14:48 +00:00
Jim Grosbach
f639e9f9e6 80-column cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85064 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 18:55:46 +00:00
Sanjiv Gupta
e1ef91d275 Reapply 85006 with a minor fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85052 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 08:14:11 +00:00
Evan Cheng
21a45557c6 Add a couple of ARM cross-rc coalescing tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85051 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 08:01:41 +00:00
Evan Cheng
cc7a5b91de Update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 07:53:48 +00:00
Evan Cheng
4f54c1293a Add ARM getMatchingSuperRegClass to handle S / D / Q cross regclass coalescing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 07:53:28 +00:00
Evan Cheng
ed3ad212ec Don't forget subreg indices when folding load / store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85048 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 07:52:27 +00:00
Evan Cheng
427c3ba97a Use isIdentityCopy. Fix a bozo bug (flipped condition) in InvalidateRegDef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85047 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 07:51:47 +00:00
Evan Cheng
d98e30f618 Code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85046 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 07:49:57 +00:00
Evan Cheng
d66f0015ad Do not delete identity insert_subreg even if dest is virtual. Let later passes delete them. This avoids register scavenger complain. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85045 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 07:48:51 +00:00
Evan Cheng
f5fe5e4e79 Add isIdentityCopy to check for identity copy (or extract_subreg, etc.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85044 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-25 07:47:07 +00:00