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Author SHA1 Message Date
Anton Korobeynikov
d2c94ae49e Add dummy lowering for shifts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:03:33 +00:00
Anton Korobeynikov
1476d97037 We don't have any div at all - thus mark it as expensive 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:03:14 +00:00
Anton Korobeynikov
8d7bb3998b We're not going to spend 100% of time in interrupts, do we? :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70713 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:02:57 +00:00
Anton Korobeynikov
431beb5fa7 Add simple reg-reg add. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70712 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:02:39 +00:00
Anton Korobeynikov
fff5f76c46 gas uses lower letter for register names 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70711 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:02:22 +00:00
Anton Korobeynikov
1df221f2bb Add code enough for emission of reg-reg and reg-imm moves. This allows us to compile "ret i16 0" properly! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70710 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:02:04 +00:00
Anton Korobeynikov
09c42f509a Add function body printing routine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70709 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:01:41 +00:00
Anton Korobeynikov
f3085ac973 Add 'msp430' target triple recognizer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70708 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:01:23 +00:00
Anton Korobeynikov
e37db97928 Make emit{Prologue,Epilogue}() noop for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70707 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:01:04 +00:00
Anton Korobeynikov
fbf165a74b Add callee-saved regs & reg classes getter hooks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70706 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:00:46 +00:00
Anton Korobeynikov
3a4fbcfd33 Add simple FP indicator for given function hook 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70705 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:00:28 +00:00
Anton Korobeynikov
dcb802cf7b Provide set of reserved registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70704 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:00:11 +00:00
Anton Korobeynikov
fd1b7c778c Add proper ISD::RET lowering 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70703 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:59:50 +00:00
Anton Korobeynikov
c8fbb6ae20 Add first draft of MSP430 calling convention stuff and draft of ISD::FORMAL_ARGUMENTS node lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70702 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:59:33 +00:00
Anton Korobeynikov
2dd6cdc920 Fix register names, fix register allocation order, handle frame pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70701 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:59:16 +00:00
Anton Korobeynikov
43ed64a182 Clearify the usage and add some debug stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:58:58 +00:00
Anton Korobeynikov
9e12339cb2 Cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70699 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:58:40 +00:00
Anton Korobeynikov
b78e17b33a Add cmake script. No idea whether it works or not :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70698 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:58:22 +00:00
Anton Korobeynikov
fe3fc5ace7 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70697 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:58:05 +00:00
Anton Korobeynikov
f99601fab4 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70695 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:57:47 +00:00
Anton Korobeynikov
f2c3e179ec Dummy MSP430 backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70694 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 12:57:15 +00:00
Argyrios Kyrtzidis
77eaa6880b -Move the DwarfWriter::ValidDebugInfo check to a static DIDescriptor::ValidDebugInfo 
-Create DebugLocs without the need to have a DwarfWriter around


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70682 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 08:50:41 +00:00
Dan Gohman
f9a77b77c2 Revert r70645 for now; it's causing a variety of regressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70661 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 05:46:20 +00:00
Nick Lewycky
0e670dfa27 Revert r70630. Go back to appending ".b" to internal globals when shrinking 
them to bool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70653 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 03:49:08 +00:00
Dan Gohman
c43fe4a14b Add an svn:ignore for unittests/VMCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70646 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 21:20:51 +00:00
Dan Gohman
db6fa29641 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70645 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 21:19:20 +00:00
Dan Gohman
c09b12c622 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70644 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 21:10:48 +00:00
Dan Gohman
42da7f7542 Include <limits.h> to get the definition of CHAR_BIT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70643 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 21:03:21 +00:00
Dan Gohman
e66f6f15e6 The second argument to RecursivelyDeleteTriviallyDeadInstructions has 
a default value, and will hopefully be going away soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70642 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 20:22:10 +00:00
Dan Gohman
afc36a9520 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70636 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 18:29:22 +00:00
Dan Gohman
fb7d35f22a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70633 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 17:43:35 +00:00
Dan Gohman
9a936502fa Tell ScalarEvolution that the loop is being deleted before actually 
deleting it.  This will let ScalarEvolution be more complete about
updating its records.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70632 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 17:29:26 +00:00
Nick Lewycky
0e80b7cda1 Don't append ".b" to the names of globals that are being shrunk to booleans. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70630 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 16:21:50 +00:00
Dan Gohman
1dcad96dc6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70625 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 05:36:01 +00:00
Dan Gohman
dd47f88cfe Add Base.td to svn:ignore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70619 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-02 01:29:12 +00:00
Chris Lattner
c650f1f141 '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!




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70610 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 23:54:26 +00:00
Chris Lattner
837e59e2e8 Drop the default assumption about alignment down to 2 bits from 3. This apparently 
helps some problems on win32 platforms (PR4119)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70603 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 23:48:33 +00:00
Dan Gohman
7e5440404b Change the description string of the LoopInfo pass. 
"Construction" makes it sound like a pass that might
modify the CFG to construct natural loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70580 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 21:58:05 +00:00
Stuart Hastings
f0e4cac7eb Prevent looping when DenseSet is abused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70572 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 20:47:53 +00:00
Misha Brukman
1af789f74c HTML-escape '>' as '&gt;' in sample C++ code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70569 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 20:40:51 +00:00
Bob Wilson
5ee24e54d7 Allow CONCAT_VECTORS nodes to be legal or have custom lowering for some targets. 
Changes to take advantage of this will come later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70560 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 17:55:32 +00:00
Dan Gohman
cf5ab82022 Actually insert inserted instructions into the InsertedValues map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70557 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 17:13:31 +00:00
Dan Gohman
b52e1c587f Add an accessor method to allow clients to test if a given expression 
is associated with a SCEV expansion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70556 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 17:08:34 +00:00
Dan Gohman
9f2d671b15 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70555 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 17:07:43 +00:00
Dan Gohman
9032b78c98 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70554 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 17:02:22 +00:00
Dan Gohman
80dcdee0f4 Short-circuit inttoptr-ptrtoint constant expressions; these aren't 
always folded by the regular constant folder because it doesn't have
TargetData information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70553 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 17:00:00 +00:00
Dan Gohman
99a1302ae4 Make SCEVExpander::addInsertedValue able to accept Values, not just 
Instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70552 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 16:58:31 +00:00
Dan Gohman
3d81e31724 Minor whitespace fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70551 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 16:56:32 +00:00
Dan Gohman
99243b3830 Fix an 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70550 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 16:44:56 +00:00
Dan Gohman
10b9479f55 When creating cast scevs, canonicalize the destination type. This 
avoids duplicate scevs that differ only in type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70549 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 16:44:18 +00:00