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Author SHA1 Message Date
Anton Korobeynikov
cd06be1d13 Add lowering for global address nodes. Not pretty efficient though. 
llvm-svn: 70730
 2009-05-03 13:08:33 +00:00
Anton Korobeynikov
e02a674ee0 Some early full call lowering draft for direct calls 
llvm-svn: 70729
 2009-05-03 13:08:13 +00:00
Anton Korobeynikov
b396742d02 Add call frame setup instruction elimination and lowerid for bunch of call-related stuff. 
llvm-svn: 70728
 2009-05-03 13:07:54 +00:00
Anton Korobeynikov
4fa710b300 Add CALL lowering. 
llvm-svn: 70727
 2009-05-03 13:07:31 +00:00
Anton Korobeynikov
582d2a335b Add bunch of mem-whatever patterns 
llvm-svn: 70726
 2009-05-03 13:07:10 +00:00
Anton Korobeynikov
d14ee9eeae Add bunch of reg-mem inst patterns 
llvm-svn: 70725
 2009-05-03 13:06:46 +00:00
Anton Korobeynikov
7b7a743ea8 Add normal and trunc stores 
llvm-svn: 70724
 2009-05-03 13:06:26 +00:00
Anton Korobeynikov
91359dcc3b Basic support for mem=>reg moves 
llvm-svn: 70723
 2009-05-03 13:06:03 +00:00
Anton Korobeynikov
83122b7ef0 Add 8-bit insts. zext behaviour is not modelled yet 
llvm-svn: 70722
 2009-05-03 13:05:42 +00:00
Anton Korobeynikov
1c0af22261 Add 8-bit regclass and pattern for sext_inreg 
llvm-svn: 70721
 2009-05-03 13:05:22 +00:00
Anton Korobeynikov
d74b7ab46d Add pattern for OR 
llvm-svn: 70720
 2009-05-03 13:05:00 +00:00
Anton Korobeynikov
aff90ae4f2 Add reg-imm variants 
llvm-svn: 70719
 2009-05-03 13:04:41 +00:00
Anton Korobeynikov
ff4332fcde Add hint to nop 
llvm-svn: 70718
 2009-05-03 13:04:23 +00:00
Anton Korobeynikov
a46b46fa46 Add more instructions 
llvm-svn: 70717
 2009-05-03 13:04:06 +00:00
Anton Korobeynikov
1921caf185 Cleanup 
llvm-svn: 70716
 2009-05-03 13:03:50 +00:00
Anton Korobeynikov
262c4b9ff9 Add dummy lowering for shifts 
llvm-svn: 70715
 2009-05-03 13:03:33 +00:00
Anton Korobeynikov
f21d1d0d2c We don't have any div at all - thus mark it as expensive 
llvm-svn: 70714
 2009-05-03 13:03:14 +00:00
Anton Korobeynikov
df71fb8a3a We're not going to spend 100% of time in interrupts, do we? :) 
llvm-svn: 70713
 2009-05-03 13:02:57 +00:00
Anton Korobeynikov
627e169e8e Add simple reg-reg add. 
llvm-svn: 70712
 2009-05-03 13:02:39 +00:00
Anton Korobeynikov
be8018ff1d gas uses lower letter for register names 
llvm-svn: 70711
 2009-05-03 13:02:22 +00:00
Anton Korobeynikov
e9e0353b21 Add code enough for emission of reg-reg and reg-imm moves. This allows us to compile "ret i16 0" properly! 
llvm-svn: 70710
 2009-05-03 13:02:04 +00:00
Anton Korobeynikov
8b763cb6ec Add function body printing routine 
llvm-svn: 70709
 2009-05-03 13:01:41 +00:00
Anton Korobeynikov
5f8e2ee553 Add 'msp430' target triple recognizer 
llvm-svn: 70708
 2009-05-03 13:01:23 +00:00
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