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Author SHA1 Message Date
Anton Korobeynikov
f5317831da Make emit{Prologue,Epilogue}() noop for now 
llvm-svn: 70707
 2009-05-03 13:01:04 +00:00
Anton Korobeynikov
57d55e96cd Add callee-saved regs & reg classes getter hooks 
llvm-svn: 70706
 2009-05-03 13:00:46 +00:00
Anton Korobeynikov
70dbb3eb2f Add simple FP indicator for given function hook 
llvm-svn: 70705
 2009-05-03 13:00:28 +00:00
Anton Korobeynikov
4c91b3a6f2 Provide set of reserved registers 
llvm-svn: 70704
 2009-05-03 13:00:11 +00:00
Anton Korobeynikov
ebab62b827 Add proper ISD::RET lowering 
llvm-svn: 70703
 2009-05-03 12:59:50 +00:00
Anton Korobeynikov
e74a06c068 Add first draft of MSP430 calling convention stuff and draft of ISD::FORMAL_ARGUMENTS node lowering. 
llvm-svn: 70702
 2009-05-03 12:59:33 +00:00
Anton Korobeynikov
b85740bf76 Fix register names, fix register allocation order, handle frame pointer. 
llvm-svn: 70701
 2009-05-03 12:59:16 +00:00
Anton Korobeynikov
5af68b43bc Clearify the usage and add some debug stuff 
llvm-svn: 70700
 2009-05-03 12:58:58 +00:00
Anton Korobeynikov
840e251a16 Cleanup 
llvm-svn: 70699
 2009-05-03 12:58:40 +00:00
Anton Korobeynikov
372921c7be Add cmake script. No idea whether it works or not :) 
llvm-svn: 70698
 2009-05-03 12:58:22 +00:00
Anton Korobeynikov
0eec6e6c0a Add a note 
llvm-svn: 70697
 2009-05-03 12:58:05 +00:00
Anton Korobeynikov
be51fd1388 Typo 
llvm-svn: 70695
 2009-05-03 12:57:47 +00:00
Anton Korobeynikov
d49e584da5 Dummy MSP430 backend 
llvm-svn: 70694
 2009-05-03 12:57:15 +00:00
Argyrios Kyrtzidis
a034549d67 -Move the DwarfWriter::ValidDebugInfo check to a static DIDescriptor::ValidDebugInfo 
-Create DebugLocs without the need to have a DwarfWriter around

llvm-svn: 70682
 2009-05-03 08:50:41 +00:00
Dan Gohman
8e4b9e586b Revert r70645 for now; it's causing a variety of regressions. 
llvm-svn: 70661
 2009-05-03 05:46:20 +00:00
Nick Lewycky
01b22399ef Revert r70630. Go back to appending ".b" to internal globals when shrinking 
them to bool.

llvm-svn: 70653
 2009-05-03 03:49:08 +00:00
Dan Gohman
7d98736ca6 Convert ScalarEvolution to use CallbackVH for its internal map. This 
makes ScalarEvolution::deleteValueFromRecords, and it's code that
subtly needed to be called before ReplaceAllUsesWith, unnecessary.

It also makes ValueDeletionListener unnecessary.

llvm-svn: 70645
 2009-05-02 21:19:20 +00:00
Dan Gohman
dc96a23780 Apply Jeffrey Yasskin's CallbackVH patch, with minor tweaks from me 
to make the copy constructor and destructor protected, and corresponding
adjustments to the unittests.

llvm-svn: 70644
 2009-05-02 21:10:48 +00:00
Dan Gohman
8b692f87a7 Include <limits.h> to get the definition of CHAR_BIT. 
llvm-svn: 70643
 2009-05-02 21:03:21 +00:00
Dan Gohman
7c5f68dd5c The second argument to RecursivelyDeleteTriviallyDeadInstructions has 
a default value, and will hopefully be going away soon.

llvm-svn: 70642
 2009-05-02 20:22:10 +00:00
Dan Gohman
a79cce4aef Previously, RecursivelyDeleteDeadInstructions provided an option 
of returning a list of pointers to Values that are deleted. This was
unsafe, because the pointers in the list are, by nature of what
RecursivelyDeleteDeadInstructions does, always dangling. Replace this
with a simple callback mechanism. This may eventually be removed if
all clients can reasonably be expected to use CallbackVH.

Use this to factor out the dead-phi-cycle-elimination code from LSR
utility function, and generalize it to use the
RecursivelyDeleteTriviallyDeadInstructions utility function.

This makes LSR more aggressive about eliminating dead PHI cycles;
adjust tests to either be less trivial or to simply expect fewer
instructions.

llvm-svn: 70636
 2009-05-02 18:29:22 +00:00
Dan Gohman
9608880839 When ScalarEvolution is told to forget the trip count for a loop, have 
it also forget any SCEVs associated with loop-header PHIs in the loop,
as they may be dependent on trip count information.

llvm-svn: 70633
 2009-05-02 17:43:35 +00:00
Dan Gohman
cc3edfaa6c Tell ScalarEvolution that the loop is being deleted before actually 
deleting it.  This will let ScalarEvolution be more complete about
updating its records.

llvm-svn: 70632
 2009-05-02 17:29:26 +00:00
Nick Lewycky
3e85ff61b3 Don't append ".b" to the names of globals that are being shrunk to booleans. 
llvm-svn: 70630
 2009-05-02 16:21:50 +00:00
Dan Gohman
a4b28ca3c9 Don't split critical edges during the AddUsersIfInteresting phase 
of LSR. This makes the AddUsersIfInteresting phase of LSR a pure
analysis instead of a phase that potentially does CFG modifications.

The conditions where this code would actually perform a split are
rare, and in the cases where it actually would do a split the split
is usually undone by CodeGenPrepare, and in cases where splits
actually survive into codegen, they appear to hurt more often than
they help.

llvm-svn: 70625
 2009-05-02 05:36:01 +00:00
Chris Lattner
c6d561ed27 'The attached patch fixes an issue where llc -march=cpp fails with 
"Invalid primitive type" on input containing the x86_fp80 type.'
Patch by Collin Winter!

llvm-svn: 70610
 2009-05-01 23:54:26 +00:00
Chris Lattner
b7947ae607 Drop the default assumption about alignment down to 2 bits from 3. This apparently 
helps some problems on win32 platforms (PR4119)

llvm-svn: 70603
 2009-05-01 23:48:33 +00:00
Dan Gohman
6aa1fd5065 Change the description string of the LoopInfo pass. 
"Construction" makes it sound like a pass that might
modify the CFG to construct natural loops.

llvm-svn: 70580
 2009-05-01 21:58:05 +00:00
Stuart Hastings
b3c08d427a Prevent looping when DenseSet is abused. 
llvm-svn: 70572
 2009-05-01 20:47:53 +00:00
Misha Brukman
064820037b HTML-escape '>' as '&gt;' in sample C++ code. 
llvm-svn: 70569
 2009-05-01 20:40:51 +00:00
Bob Wilson
da90bf9e40 Allow CONCAT_VECTORS nodes to be legal or have custom lowering for some targets. 
Changes to take advantage of this will come later.

llvm-svn: 70560
 2009-05-01 17:55:32 +00:00
Dan Gohman
d57099a9eb Actually insert inserted instructions into the InsertedValues map. 
llvm-svn: 70557
 2009-05-01 17:13:31 +00:00
Dan Gohman
daa3a9f38c Add an accessor method to allow clients to test if a given expression 
is associated with a SCEV expansion.

llvm-svn: 70556
 2009-05-01 17:08:34 +00:00
Dan Gohman
bdc33dc988 Make RequiresTypeConversion canonicalize the types before calling the 
target hooks canLosslesslyBitCastTo and isTruncateFree. This allows
targets to avoid worrying about handling all combinations of integer
and pointer types.

llvm-svn: 70555
 2009-05-01 17:07:43 +00:00
Dan Gohman
0dc2b769b0 When printing a SCEVUnknown with pointer type, don't print an 
artificial "ptrtoint", as it tends to clutter up complicated
expressions. The cast operators now print both source and
destination types, which is usually sufficient.

llvm-svn: 70554
 2009-05-01 17:02:22 +00:00
Dan Gohman
bc336eab6e Short-circuit inttoptr-ptrtoint constant expressions; these aren't 
always folded by the regular constant folder because it doesn't have
TargetData information.

llvm-svn: 70553
 2009-05-01 17:00:00 +00:00
Dan Gohman
ac4de6a92e Make SCEVExpander::addInsertedValue able to accept Values, not just 
Instructions.

llvm-svn: 70552
 2009-05-01 16:58:31 +00:00
Dan Gohman
9dd3e99217 Minor whitespace fix. 
llvm-svn: 70551
 2009-05-01 16:56:32 +00:00
Dan Gohman
7eab4d2fa2 Fix an 80-column violation. 
llvm-svn: 70550
 2009-05-01 16:44:56 +00:00
Dan Gohman
24b592972d When creating cast scevs, canonicalize the destination type. This 
avoids duplicate scevs that differ only in type.

llvm-svn: 70549
 2009-05-01 16:44:18 +00:00
Dan Gohman
908d546da3 Fix a compiler warning on hosts where uint64_t isn't unsigned long long. 
llvm-svn: 70548
 2009-05-01 16:33:33 +00:00
Dan Gohman
a55fce998e Fix some code to work if TargetLowering is not available. 
llvm-svn: 70546
 2009-05-01 16:29:14 +00:00
Bill Wendling
2da6a65b62 Simplify more code and add timer stuff. 
llvm-svn: 70539
 2009-05-01 08:40:06 +00:00
Bill Wendling
0bab670012 Simplify more code. 
llvm-svn: 70537
 2009-05-01 08:35:12 +00:00
Torok Edwin
63c28133ae hasSCEV() was declared in ScalarEvolution.h, but never defined. This must have 
gone lost during the pImpl conversion.

llvm-svn: 70536
 2009-05-01 08:33:47 +00:00
Bill Wendling
662dfea32e Simplify some code. 
llvm-svn: 70534
 2009-05-01 08:32:14 +00:00
Bill Wendling
2f01fd9bf1 Fix whitespace. It was confusing me. 
llvm-svn: 70533
 2009-05-01 08:25:13 +00:00
Mike Stump
9581b0eb4c Lets install the manual page with install-clang! Radar 6838692 
llvm-svn: 70529
 2009-05-01 01:47:55 +00:00
Evan Cheng
d6a780a181 Code clean up. Bye bye PhysRegTracker. 
llvm-svn: 70524
 2009-05-01 01:03:49 +00:00
Argyrios Kyrtzidis
123a0fb56f Fix compilation for some targets other than x86. 
llvm-svn: 70522
 2009-04-30 23:50:26 +00:00