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111 Commits

Author SHA1 Message Date
Dale Johannesen
86b4078f90 Skip debug info when looking for existing EH calls at the 
beginning of a block.

llvm-svn: 100230
 2010-04-02 21:49:27 +00:00
John McCall
57eaeeca78 Qualify a bunch of explicit template instantiations to satisfy clang++. 
llvm-svn: 91736
 2009-12-19 00:55:12 +00:00
Chris Lattner
9ce833945e improve portability to avoid conflicting with std::next in c++'0x. 
Patch by Howard Hinnant!

llvm-svn: 90365
 2009-12-03 00:50:42 +00:00
Chris Lattner
2bbe57b2b8 Revert 85678/85680. The decision is to stay with the current form of 
indirectbr, thus we don't need "blockaddr(@func, null)".  Eliminate it
for simplicity.

llvm-svn: 85699
 2009-11-01 01:27:45 +00:00
Chris Lattner
cbab35746f Make blockaddress(@func, null) be valid, and make 'deleting a basic 
block with a blockaddress still referring to it' replace the invalid 
blockaddress with a new blockaddress(@func, null) instead of a 
inttoptr(1).

This changes the bitcode encoding format, and still needs codegen 
support (this should produce a non-zero value, referring to the entry
block of the function would also be quite reasonable).

llvm-svn: 85678
 2009-10-31 20:08:37 +00:00
Chris Lattner
3982885b51 if basic blocks are destroyed while there are *just* BlockAddress' hanging 
around, then zap them.  This is analogous to dangling constantexprs hanging
off functions.

llvm-svn: 85627
 2009-10-30 22:39:36 +00:00
Chris Lattner
74ed905748 make hasAddressTaken() constant time by storing a refcount in BB's subclass data. 
llvm-svn: 85625
 2009-10-30 22:33:29 +00:00
Dan Gohman
c80f1a4033 Add a hasAddressTaken for BasicBlock. 
llvm-svn: 85449
 2009-10-29 00:09:08 +00:00
Owen Anderson
9df206d02d Push LLVMContexts through the IntegerType APIs. 
llvm-svn: 78948
 2009-08-13 21:58:54 +00:00
Dan Gohman
24939b2c4f Tidy #includes. 
llvm-svn: 78677
 2009-08-11 16:02:12 +00:00
Owen Anderson
93ccaf5c60 Move more code back to 2.5 APIs. 
llvm-svn: 77635
 2009-07-30 23:03:37 +00:00
Daniel Dunbar
251177c96e Initial update to VMCore to use Twines for string arguments. 
- The only meat here is in Value.{h,cpp} the rest is essential 'const
   std::string &' -> 'const Twine &'.

llvm-svn: 77048
 2009-07-25 04:41:11 +00:00
Owen Anderson
cc287b28c9 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Owen Anderson
ca017b9679 LLVMContext-ification. 
llvm-svn: 74973
 2009-07-07 23:43:39 +00:00
Owen Anderson
121f736d9c "LLVMContext* " --> "LLVMContext *" 
llvm-svn: 74878
 2009-07-06 23:00:19 +00:00
Owen Anderson
977aa11bc6 More LLVMContext-ification. 
llvm-svn: 74807
 2009-07-05 22:41:43 +00:00
Gabor Greif
02b0968a7a simplify the way how traits get hold of the symbol table 
llvm-svn: 66336
 2009-03-07 12:33:24 +00:00
Gabor Greif
37f450f486 further simplifications arising from peruse of the more declarative interface 
llvm-svn: 66333
 2009-03-07 10:49:57 +00:00
Gabor Greif
9b51fe4ab1 Introduce a new technique for merging BasicBlock with Instruction sentinel by superposition. 
This looks dangerous, but isn't because the sentinel is accessed in special way only,
namely the Next and Prev fields of it, and these are guaranteed to exist.

llvm-svn: 65626
 2009-02-27 08:41:37 +00:00
Torok Edwin
9d454874f3 fix grammar, thanks Duncan! 
llvm-svn: 60875
 2008-12-11 11:44:49 +00:00
Torok Edwin
34056e3cc9 introduce BasicBlock::getUniquePredecessor() 
llvm-svn: 60872
 2008-12-11 10:36:07 +00:00
Dan Gohman
9653b21dc2 Fold the useful features of alist and alist_node into ilist, and 
a new ilist_node class, and remove them. Unlike alist_node,
ilist_node doesn't attempt to manage storage itself, so it avoids
the associated problems, including being opaque in gdb.

Adjust the Recycler class so that it doesn't depend on alist_node.
Also, change it to use explicit Size and Align parameters, allowing
it to work when the largest-sized node doesn't have the greatest
alignment requirement.

Change MachineInstr's MachineMemOperand list from a pool-backed
alist to a std::list for now.

llvm-svn: 54146
 2008-07-28 21:51:04 +00:00
Gabor Greif
2abf6ec2e5 back out last commit: The .cpp file for a module should include its corresponding header first, even if redundant. 
llvm-svn: 51598
 2008-05-27 17:26:02 +00:00
Gabor Greif
0b9cf0d491 prune unneeded #includes 
llvm-svn: 51590
 2008-05-27 11:06:03 +00:00
Dan Gohman
8b6f4366ae Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to 
use it instead of duplicating its functionality.

llvm-svn: 51499
 2008-05-23 21:05:58 +00:00
Nick Lewycky
1f831c0f57 Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989 
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.

llvm-svn: 50265
 2008-04-25 16:53:59 +00:00
Gabor Greif
6c6b8a57f3 API changes for class Use size reduction, wave 1. 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.

llvm-svn: 49277
 2008-04-06 20:25:17 +00:00
Nick Lewycky
c64eb33c52 Two things. Preserve the unwind_to when splitting a BB. 
Add the ability to remove just one instance of a BB from a phi node. This fixes
the compile error in the tree now.

llvm-svn: 48085
 2008-03-09 05:04:48 +00:00
Nick Lewycky
b02fe64d8b Add an unwind_to field to basic blocks, making them Users instead of Values. 
This is the first checkin for PR1269, the new EH infrastructure.

llvm-svn: 47802
 2008-03-02 02:48:09 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Gordon Henriksen
8430f1ff9a Reverting dtor devirtualization patch. 
_sabre_: it has a major problem: by the time ~Value is run, all of the "parts" of the derived classes have been destroyed
_sabre_: the vtable lives to fight another day

llvm-svn: 44760
 2007-12-10 02:14:30 +00:00
Gordon Henriksen
a18a78e6e5 Devirtualizing Value destructor (PR889). Patch by Pawel Kunio! 
llvm-svn: 44747
 2007-12-09 22:46:10 +00:00
Dan Gohman
27ac53cc23 Remove meaningless qualifiers from return types, avoiding compiler warnings. 
llvm-svn: 44240
 2007-11-19 20:46:23 +00:00
Dan Gohman
c63ddf2f57 DummyInst's member functions don't need to be virtual. 
llvm-svn: 40530
 2007-07-26 15:25:08 +00:00
Chris Lattner
cc56e116fe The (negative) offset from a SymbolTableListTraits-using ilist to its container 
object is always constant.  As such, evaluate it at compile time instead of storing
it as an ivar in SymbolTableListTraits.  This shrinks every SymbolTableListTraits
ilist by a word, shrinking BasicBlock from 44->40 bytes, Function from 96->88 bytes,
and Module from 60->52 bytes.

llvm-svn: 36189
 2007-04-17 04:04:14 +00:00
Chris Lattner
71a21677f4 Refactor SymbolTableListTraits to only have a single pointer in it, instead 
of two.  This shrinkifies Function by 8 bytes (104->96) and Module by 8
bytes (68->60).  On a testcase of mine, this reduces the memory used to
read a module header from 565680b to 561024, a little over 4K.

llvm-svn: 36188
 2007-04-17 03:26:42 +00:00
Chris Lattner
5a58a65c10 Switch ValueSymbolTable to use StringMap<Value*> instead of std::map<std::string, Value*> 
as its main datastructure.  There are many improvements yet to be made, but
this speeds up opt --std-compile-opts on 447.dealII by 7.3%.

llvm-svn: 34193
 2007-02-12 05:18:08 +00:00
Chris Lattner
bf0b610dfa add method, correct comment 
llvm-svn: 30584
 2006-09-23 04:03:45 +00:00
Chris Lattner
33bd5dcfb7 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
llvm-svn: 29911
 2006-08-27 12:54:02 +00:00
Chris Lattner
754b6939a6 Use hidden visibility to reduce codesize 
llvm-svn: 28974
 2006-06-28 22:57:00 +00:00
Owen Anderson
8a0a40c7ac When asked not to delete useless PHIs, really don't delete them, no matter how 
redundant they are.

llvm-svn: 28777
 2006-06-14 04:43:14 +00:00
Vladimir Prus
01d543c581 Remove dead code. 
llvm-svn: 28725
 2006-06-08 16:03:13 +00:00
Vladimir Prus
5278a7380e New method BasicBlock::getFirstNonPHI. 
llvm-svn: 28724
 2006-06-08 15:46:18 +00:00
Chris Lattner
4e2d62ba5d Add a helper method 
llvm-svn: 22768
 2005-08-12 22:14:06 +00:00
Chris Lattner
b80ff334d8 Fix an iterator invalidation problem when we decide a phi has a constant value 
llvm-svn: 22675
 2005-08-05 15:34:10 +00:00
Chris Lattner
4a3dc26192 Now that hasConstantValue is more careful w.r.t. returning values that only 
dominate the PHI node, this code can go away.  This also makes passes more
aggressive, e.g. implementing Transforms/CondProp/phisimplify2.ll

llvm-svn: 22670
 2005-08-05 01:02:04 +00:00
Nate Begeman
ef41400067 Fix a fixme in CondPropagate.cpp by moving a PhiNode optimization into 
BasicBlock's removePredecessor routine.  This requires shuffling around
the definition and implementation of hasContantValue from Utils.h,cpp into
Instructions.h,cpp

llvm-svn: 22664
 2005-08-04 23:24:19 +00:00
Jeff Cohen
6c42217055 Eliminate tabs and trailing spaces 
llvm-svn: 21480
 2005-04-23 21:38:35 +00:00
Misha Brukman
53e199440e Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner
2f96b346b4 Improve doxygen, from part of Evan's patch that didn't apply. 
llvm-svn: 21394
 2005-04-21 16:06:03 +00:00