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5574 Commits

Author SHA1 Message Date
David Greene
ad230f223f Fix misue of iterator pointing to erased object. Uncovered by 
_GLIBCXX_DEBUG.

llvm-svn: 37793
 2007-06-29 02:45:24 +00:00
Dan Gohman
c6bdcfa8c0 Add new TargetLowering code to provide the final register type that an 
illegal value type will be transformed to, for code that needs the
register type after all transformations instead of just after the first
transformation.

Factor out the code that uses this information to do copy-from-regs and
copy-to-regs for various purposes into separate functions so that they
are done consistently.

llvm-svn: 37781
 2007-06-28 23:29:44 +00:00
Dan Gohman
d2a3725004 Add a default parameter to a SmallVector constructor to allow it to 
be called with just an initial length value, just like in std::vector.

llvm-svn: 37779
 2007-06-28 20:27:24 +00:00
Devang Patel
2f757c3a96 Remove unnecessary comments. 
llvm-svn: 37774
 2007-06-28 02:11:54 +00:00
Devang Patel
ce4ea8a62c Handle the case when block dominates itself. 
llvm-svn: 37773
 2007-06-28 02:07:08 +00:00
Devang Patel
28d2851f39 Remove ETForest. 
llvm-svn: 37765
 2007-06-27 20:53:52 +00:00
Dan Gohman
cb89e19a6d Rename ("shrinkify") MVT::isExtendedValueType to MVT::isExtendedVT. 
llvm-svn: 37758
 2007-06-27 16:08:04 +00:00
Dan Gohman
63c5bb770c Document the encoding of MVT::ValueType. 
llvm-svn: 37757
 2007-06-27 15:28:26 +00:00
Dan Gohman
e94ef99437 Allow DOUT to be used outside of the llvm namespace. 
llvm-svn: 37753
 2007-06-27 14:09:38 +00:00
Evan Cheng
30adb50aaf Add comment. 
llvm-svn: 37741
 2007-06-26 21:19:07 +00:00
Evan Cheng
0eaa723739 Properly handle kills of a physical register which has sub-registers that are read by later instructions. 
llvm-svn: 37739
 2007-06-26 21:03:35 +00:00
Evan Cheng
ac10d44736 Add immediate sub-registers. 
llvm-svn: 37738
 2007-06-26 20:59:16 +00:00
Dan Gohman
eea90f90af Replace ?: with if statements, for clarity. 
llvm-svn: 37735
 2007-06-26 16:19:08 +00:00
Dan Gohman
99878e810a Simplify the expression for MVT::isExtendedValueType. 
llvm-svn: 37733
 2007-06-26 15:20:04 +00:00
Dan Gohman
fb8c9beba3 Simplify the expression for TargetLowering::isTypeLegal. 
llvm-svn: 37732
 2007-06-26 15:16:27 +00:00
Dan Gohman
2fa6ce1cd4 Renumber the SimpleValueType values to fill in the hole left by 
removing MVT::Vector.

llvm-svn: 37730
 2007-06-26 14:28:59 +00:00
Dan Gohman
9cbc3fb1ab Revert the earlier change that removed the M_REMATERIALIZABLE machine 
instruction flag, and use the flag along with a virtual member function
hook for targets to override if there are instructions that are only
trivially rematerializable with specific operands (i.e. constant pool
loads).

llvm-svn: 37728
 2007-06-26 00:48:07 +00:00
Dan Gohman
76d6776c52 Add a convenince member function for appending strings to a module's 
module-level asm string data.

llvm-svn: 37726
 2007-06-26 00:38:49 +00:00
Dan Gohman
354f02e03d Generalize MVT::ValueType and associated functions to be able to represent 
extended vector types. Remove the special SDNode opcodes used for pre-legalize
vector operations, and the special MVT::Vector type used with them. Adjust
lowering and legalize to work with the normal SDNode kinds instead, and to
use the normal MVT functions to work with vector types instead of using the
two special operands that the pre-legalize nodes held.

This allows pre-legalize and post-legalize DAGs, and the code that operates
on them, to be more consistent. Pre-legalize vector operators can be handled
more consistently with scalar operators. And, -view-dag-combine1-dags and
-view-legalize-dags now look prettier for vector code.

llvm-svn: 37719
 2007-06-25 16:23:39 +00:00
Dan Gohman
a62327ea40 Move ComputeMaskedBits, MaskedValueIsZero, and ComputeNumSignBits from 
TargetLowering to SelectionDAG so that they have more convenient
access to the current DAG, in preparation for the ValueType routines
being changed from standalone functions to members of SelectionDAG for
the pre-legalize vector type changes.

llvm-svn: 37704
 2007-06-22 14:59:07 +00:00
Duraid Madina
fe6e41b4f9 check in the BigBlock local register allocator 
llvm-svn: 37703
 2007-06-22 08:27:12 +00:00
Owen Anderson
907b0a4e10 Have internal df_iterator's use SmallPtrSet instead of std::set. This provides compile time speedups to any pass using df_iterator. 
llvm-svn: 37694
 2007-06-21 21:25:36 +00:00
Devang Patel
bfb1c7192e Move code to update dominator information after basic block is split 
from LoopSimplify.cpp to Dominator.cpp

llvm-svn: 37689
 2007-06-21 17:23:45 +00:00
Dan Gohman
1815e9bdb3 Rename TargetLowering::getNumElements and friends to 
TargetLowering::getNumRegisters and similar, to avoid confusion with
the actual number of elements for vector types.

llvm-svn: 37687
 2007-06-21 14:42:22 +00:00
Tanya Lattner
6d152cd7df Move inliner pass header file. 
llvm-svn: 37664
 2007-06-19 22:29:02 +00:00
Dan Gohman
bb705e230a Rename ScalarEvolution::deleteInstructionFromRecords to 
deleteValueFromRecords and loosen the types to all it to accept
Value* instead of just Instruction*, since this is what
ScalarEvolution uses internally anyway. This allows more flexibility
for future uses.

llvm-svn: 37657
 2007-06-19 14:28:31 +00:00
Dan Gohman
b60d8a92c9 Replace M_REMATERIALIZIBLE and the newly-added isOtherReMaterializableLoad 
with a general target hook to identify rematerializable instructions. Some
instructions are only rematerializable with specific operands, such as loads
from constant pools, while others are always rematerializable. This hook
allows both to be identified as being rematerializable with the same
mechanism.

llvm-svn: 37644
 2007-06-19 01:48:05 +00:00
Evan Cheng
4358a7f1e9 Replace CanBeDuplicated() with a M_NOT_DUPLICABLE bit. 
llvm-svn: 37642
 2007-06-19 01:21:41 +00:00
Chris Lattner
6e631d5d4f add isvararg tracking to CCState 
llvm-svn: 37639
 2007-06-19 00:10:25 +00:00
Evan Cheng
978058bcd7 Move CorrectExtraCFGEdges() from BranchFolding.cpp to a MachineBasicBlock method. 
llvm-svn: 37633
 2007-06-18 22:43:58 +00:00
Tanya Lattner
fedfcab2ab Modify annotate intrinsic to take 2 additional args: file and line number. 
Fix up Annotate attribute test case.
Fix DebugFilename.c test case to look for right file name.

llvm-svn: 37632
 2007-06-18 22:23:39 +00:00
Chris Lattner
80de50ac63 add helper 
llvm-svn: 37631
 2007-06-18 21:50:49 +00:00
Dan Gohman
27de646c66 Add keyword explicit. 
llvm-svn: 37624
 2007-06-18 14:11:31 +00:00
Evan Cheng
34a6cb0b2e Added CanBeDuplicated(). It returns true if an instruction can be safely duplicated (e.g. during ifcvt). 
llvm-svn: 37605
 2007-06-15 21:13:54 +00:00
Tanya Lattner
203b1ae094 Add local var annotation intrinsic. 
llvm-svn: 37603
 2007-06-15 20:50:54 +00:00
Evan Cheng
13a9ca69bc No longer needed. 
llvm-svn: 37598
 2007-06-15 19:05:13 +00:00
Dan Gohman
838ba27094 Add a SCEV class and supporting code for sign-extend expressions. 
This created an ambiguity for expandInTy to decide when to use
sign-extension or zero-extension, but it turns out that most of its callers
don't actually need a type conversion, now that LLVM types don't have
explicit signedness. Drop expandInTy in favor of plain expand, and change
the few places that actually need a type conversion to do it themselves.

llvm-svn: 37591
 2007-06-15 14:38:12 +00:00
Chris Lattner
1de26b7677 m_not should match vector not 
llvm-svn: 37587
 2007-06-15 06:13:47 +00:00
Chris Lattner
145fdc7e2a add a Constant::getAllOnesValue helper function, which works on integers 
AND vectors.

llvm-svn: 37586
 2007-06-15 06:10:53 +00:00
Dan Gohman
2fd7d26df8 Rename MVT::getVectorBaseType to MVT::getVectorElementType. 
llvm-svn: 37579
 2007-06-14 22:58:02 +00:00
Dale Johannesen
62f49dd524 Do not treat FP_REG_KILL as terminator in branch analysis (X86). 
llvm-svn: 37578
 2007-06-14 22:03:45 +00:00
Dan Gohman
35f2b4d716 Add a target hook to allow loads from constant pools to be rematerialized, and an 
implementation for x86.

llvm-svn: 37576
 2007-06-14 20:50:44 +00:00
Dan Gohman
74c92798d8 Eliminate some redundant newlines in asm output. 
llvm-svn: 37574
 2007-06-14 15:00:27 +00:00
Christopher Lamb
68017d151b Add support to tablegen for specifying subregister classes on a per register class basis. 
llvm-svn: 37572
 2007-06-13 22:20:15 +00:00
Dan Gohman
6415b2548e Introduce new SelectionDAG node opcodes VEXTRACT_SUBVECTOR and 
VCONCAT_VECTORS. Use these for CopyToReg and CopyFromReg legalizing in
the case that the full register is to be split into subvectors instead
of scalars. This replaces uses of VBIT_CONVERT to present values as
vector-of-vector types in order to make whole subvectors accessible via
BUILD_VECTOR and EXTRACT_VECTOR_ELT.

This is in preparation for adding extended ValueType values, where
having vector-of-vector types is undesirable.

llvm-svn: 37569
 2007-06-13 15:12:02 +00:00
Devang Patel
ca555be4ca Protect updateDFSNumbers() 
llvm-svn: 37560
 2007-06-12 17:30:56 +00:00
Devang Patel
73ae5acfd0 Make DFS number manipulation methods private. 
llvm-svn: 37553
 2007-06-12 05:49:31 +00:00
Devang Patel
ab4cb51479 Break DominatorTree from ETNode. 
Remove unused PostETForest.

llvm-svn: 37551
 2007-06-12 00:54:38 +00:00
Devang Patel
73d23a5f70 Maintain DFS number in DomTreeNode itself. 
This means now ETNodes are not useful anymore.

llvm-svn: 37546
 2007-06-12 00:14:41 +00:00
Devang Patel
bc3887310b Add and use DominatorTreeBase::findNearestCommonDominator(). 
llvm-svn: 37545
 2007-06-11 23:31:22 +00:00
Evan Cheng
1a6c0341fd Add a utility routine to check for unpredicated terminator instruction. 
llvm-svn: 37528
 2007-06-08 21:59:56 +00:00
Devang Patel
d1a779c4fe Fix spelling. 
llvm-svn: 37522
 2007-06-08 17:59:02 +00:00
David Greene
6b14050d1e Factor live variable analysis so it does not do register coalescing 
simultaneously.  Move that pass to SimpleRegisterCoalescing.

This makes it easier to implement alternative register allocation and
coalescing strategies while maintaining reuse of the existing live
interval analysis.

llvm-svn: 37520
 2007-06-08 17:18:56 +00:00
Devang Patel
cfb3a761ae Update LoopSimplify to require and preserve DominatorTree only. 
Now LoopSimplify does not require nor preserve ETForest.

llvm-svn: 37512
 2007-06-08 01:50:32 +00:00
Devang Patel
738f460b18 Add new method - nearestCommonDominator(). 
llvm-svn: 37508
 2007-06-08 00:21:17 +00:00
Devang Patel
d544f5262e Use DominatorTree instead of ETForest. 
llvm-svn: 37507
 2007-06-08 00:17:13 +00:00
Devang Patel
b5554f450a Do not preserve ETForest. 
llvm-svn: 37506
 2007-06-08 00:02:08 +00:00
Devang Patel
9772222f41 Add instruction level dominates(A,B) interface. 
llvm-svn: 37504
 2007-06-07 23:52:40 +00:00
Devang Patel
3daf3625ab Do not use ETForest as well as DomiantorTree. DominatorTree is sufficient. 
llvm-svn: 37501
 2007-06-07 22:17:16 +00:00
Devang Patel
a466c96f77 Use DominatorTree instead of ETForest. 
This allows faster immediate domiantor walk.

llvm-svn: 37500
 2007-06-07 21:57:03 +00:00
Devang Patel
3aece48470 Add basic block level properlyDominates(A,B) interface. 
llvm-svn: 37497
 2007-06-07 21:34:22 +00:00
Devang Patel
e63f8b85f7 Add BasicBlock level dominates(A,B) interface. 
llvm-svn: 37493
 2007-06-07 18:39:40 +00:00
Devang Patel
babcd06827 Maintain ETNode as part of DomTreeNode. 
This adds redundancy for now.

llvm-svn: 37492
 2007-06-07 17:47:21 +00:00
Evan Cheng
4de6599e83 Add a machine instruction flag indicating the instruction can clobber condition code / register(s) used to predicate instructions. 
llvm-svn: 37464
 2007-06-06 10:13:55 +00:00
Chris Lattner
a1ad601255 add accessor 
llvm-svn: 37453
 2007-06-06 01:22:09 +00:00
Devang Patel
782ec1fbbb Break friendship. 
llvm-svn: 37450
 2007-06-06 00:59:48 +00:00
Devang Patel
59091c81b6 Rename. 
llvm-svn: 37448
 2007-06-06 00:49:02 +00:00
Devang Patel
43c684a62d Simplify class hierarchy. 
llvm-svn: 37447
 2007-06-06 00:46:36 +00:00
Devang Patel
61661c6774 Avoid non-trivial loop unswitching while optimizing for size. 
llvm-svn: 37446
 2007-06-06 00:21:03 +00:00
Zhou Sheng
09b12fef98 Commit first round work of PR1373. "noalias" is now fully supported in 
VMCore, BitCode, and Assembly. Documentation and test case paramattrs.ll
updated also.

llvm-svn: 37432
 2007-06-05 05:28:26 +00:00
Devang Patel
ba29e5e591 s/ETNode::getChildren/ETNode::getETNodeChildren/g 
llvm-svn: 37426
 2007-06-04 23:45:02 +00:00
Devang Patel
3ad9b9f927 Add FIXMEs. 
llvm-svn: 37417
 2007-06-04 17:38:00 +00:00
Devang Patel
8faaa37b1a Remove unused method. 
llvm-svn: 37416
 2007-06-04 16:49:36 +00:00
Devang Patel
74785c1f3c s/DominatorTree::createNewNode/DominatorTree::addNewBlock/g 
llvm-svn: 37415
 2007-06-04 16:43:25 +00:00
Devang Patel
26d8a86df7 Add basic block level interface to change immediate dominator 
and create new node.

llvm-svn: 37414
 2007-06-04 16:22:33 +00:00
Evan Cheng
0dbe4d04db Move ReplaceUsesOfBlockWith() out of BranchFolding into a MachineBasicBlock general facility. 
llvm-svn: 37408
 2007-06-04 06:44:01 +00:00
Devang Patel
2ef6caf14f s/llvm::DominatorTreeBase::DomTreeNode/llvm::DomTreeNode/g 
llvm-svn: 37407
 2007-06-04 00:32:22 +00:00
Devang Patel
d58b82f83a s/DominatorTreeBase::Node/DominatorTreeBase:DomTreeNode/g 
llvm-svn: 37403
 2007-06-03 06:26:14 +00:00
Duncan Sands
f37bc8207e The semantics of invoke require that we always jump to the unwind block 
(landing pad) when an exception unwinds through the call.  This doesn't
quite match the way the dwarf unwinder works: by default it only jumps to
the landing pad if the catch or filter specification matches, and otherwise
it keeps on unwinding.  There are two ways of specifying to the unwinder
that it should "always" (more on why there are quotes here later) jump to
the landing pad: follow the specification by a 0 typeid, or follow it by
the typeid for the NULL typeinfo.  GCC does the first, and this patch makes
LLVM do the same as gcc.  However there is a problem: the unwinder performs
optimizations based on C++ semantics (it only expects destructors to be
run if the 0 typeid fires - known as "cleanups"), meaning it assumes that no
exceptions will be raised and that the raised exception will be reraised
at the end of the cleanup code.  So if someone writes their own LLVM code
using the exception intrinsics they will get a nasty surprise if they don't
follow these rules.  The other possibility of using the typeid corresponding
to NULL (catch-all) causes the unwinder to make no assumptions, so this is
probably what we should use in the long-run.  However since we are still
having trouble getting exception handling working properly, for the moment
it seems best to closely imitate GCC.

llvm-svn: 37399
 2007-06-02 17:16:06 +00:00
Duncan Sands
37925d3f39 Integrate exception filter support and exception catch support. This 
simplifies the code in DwarfWriter, allows for multiple filters and
makes it trivial to specify filters accompanied by cleanups or catch-all
specifications (see next patch).  What a deal!  Patch blessed by Anton.

llvm-svn: 37398
 2007-06-02 16:53:42 +00:00
Evan Cheng
0dc7a8cac6 Target specific ifcvt code duplication limit. 
llvm-svn: 37384
 2007-06-01 08:25:24 +00:00
Chris Lattner
72e07238ba Fix the asmprinter so that a globalvalue can specify an explicit alignment 
smaller than the preferred alignment, but so that the target can actually
specify a minimum alignment if needed.  This fixes some objc protocol
failures Devang tracked down.

llvm-svn: 37373
 2007-05-31 18:57:45 +00:00
Dale Johannesen
1ba04f7d87 Make stable_sort in tail merging actually be stable (it never was, but didn't 
matter until my last change).  Reenable tail merging by default.

llvm-svn: 37354
 2007-05-29 23:47:50 +00:00
Owen Anderson
d765ae21f7 Put GVN-PRE in all the right places. 
llvm-svn: 37352
 2007-05-29 23:36:32 +00:00
Evan Cheng
d8b25a2091 Add missing const qualifiers. 
llvm-svn: 37341
 2007-05-29 18:35:22 +00:00
Chris Lattner
da86fddf1f Add a new LLVMBuilder class, which makes it simpler and more uniform to 
create large amounts of instructions by separating the insertion point
logic from the logic of what to create.

llvm-svn: 37332
 2007-05-27 15:09:34 +00:00
Devang Patel
3eb349409f Disable Tail Merging for now. 
llvm-svn: 37329
 2007-05-25 01:00:24 +00:00
Dan Gohman
2c5d31ee81 Minor comment cleanups. 
llvm-svn: 37321
 2007-05-24 14:36:04 +00:00
Devang Patel
bf5c49f62c Add dump() routines for debugging assistance. 
llvm-svn: 37314
 2007-05-23 19:55:36 +00:00
Anton Korobeynikov
0f184e86ab Mark all calls as "could throw", when exceptions are enabled. Emit necessary LP info too. This fixes PR1439 
llvm-svn: 37311
 2007-05-23 11:08:31 +00:00
Evan Cheng
f2d1d0124e Add a couple of target hooks for predication. 
llvm-svn: 37306
 2007-05-23 07:19:12 +00:00
Chris Lattner
3928e8e16d make these accessors private. 
llvm-svn: 37302
 2007-05-23 05:46:04 +00:00
Dale Johannesen
738f94210c name change requested by review of previous patch 
llvm-svn: 37289
 2007-05-22 18:31:04 +00:00
Dale Johannesen
fe0fe14411 Make tail merging the default, except on powerPC. There was no prior art 
for a target-dependent default with a command-line override; this way
should be generally usable.

llvm-svn: 37285
 2007-05-22 17:14:46 +00:00
Evan Cheng
7d3f771e9c Consistency. 
llvm-svn: 37274
 2007-05-22 01:21:58 +00:00
Chris Lattner
5565c09a5b better portability for intptr_t. 
llvm-svn: 37221
 2007-05-18 07:07:05 +00:00
Evan Cheng
234aab208a RemoveBranch() and InsertBranch() now returns number of instructions deleted / inserted. 
llvm-svn: 37192
 2007-05-18 00:05:48 +00:00
Evan Cheng
3ce37e8d78 Fix comment. 
llvm-svn: 37191
 2007-05-18 00:00:30 +00:00
Evan Cheng
b4cc6606d5 Move isSuccessor() offline, change it to use std::find. 
llvm-svn: 37190
 2007-05-17 23:58:53 +00:00
Dan Gohman
98860888df Correct a name in a comment. 
llvm-svn: 37178
 2007-05-17 21:30:39 +00:00
Chris Lattner
c68a1721c2 silence some "comparison between signed and unsigned integer expressions" 
warnings

llvm-svn: 37177
 2007-05-17 20:01:40 +00:00
Dan Gohman
2340529c17 Fix some sporadic segfaults that are triggered when SmallVector's heap 
storage lands near the end of the available address space. In the expression
Begin+N > Capacity, the Begin+N was overflowing. Fix this by replacing it
by with an expression that doesn't involve computation of an address
beyond the end of allocated memory.

llvm-svn: 37171
 2007-05-17 18:29:01 +00:00
Evan Cheng
dc9e574073 Remove. Not needed. 
llvm-svn: 37139
 2007-05-17 00:11:35 +00:00
Evan Cheng
3163b77d5e Add target hook to specify block size limit for if-conversion. 
llvm-svn: 37134
 2007-05-16 23:45:53 +00:00
Evan Cheng
973f4a19cb PredicateInstruction returns true if the operation was successful. 
llvm-svn: 37124
 2007-05-16 21:53:07 +00:00
Evan Cheng
3b10540b5e Rename M_PREDICATED to M_PREDICABLE; Move TargetInstrInfo::isPredicatable() to MachineInstr::isPredicable(). 
llvm-svn: 37115
 2007-05-16 20:43:42 +00:00
Chris Lattner
db7986458d add missing mmx intrinsic 
llvm-svn: 37099
 2007-05-16 06:03:49 +00:00
Evan Cheng
770584a8cd Fix comments. 
llvm-svn: 37096
 2007-05-16 05:09:34 +00:00
Evan Cheng
aafca4d4a2 Initial commit of (very basic) if converter. 
llvm-svn: 37092
 2007-05-16 02:00:57 +00:00
Evan Cheng
7fe6d7cb7e Add TargetInstrInfo predication hooks. 
llvm-svn: 37091
 2007-05-16 01:58:56 +00:00
Evan Cheng
eea85a767e Added getNumExplicitOperands and findFirstPredOperand. 
llvm-svn: 37064
 2007-05-15 01:26:09 +00:00
Evan Cheng
71c4d42bd7 All operands that made up of the predicate operands are maked M_PREDICATE_OPERAND. 
llvm-svn: 37062
 2007-05-15 01:21:27 +00:00
Dan Gohman
b0fd1c9640 Correct a comment. 
llvm-svn: 37058
 2007-05-15 00:20:13 +00:00
Evan Cheng
e9e48bcf28 Fix for PR1406: 
v1 =
r2 = move v1
   = op r2<kill>
...
r2 = move v1
   = op r2<kill>

Clear the first r2 kill if v1 and r2 are joined.

llvm-svn: 37050
 2007-05-14 21:10:05 +00:00
Dan Gohman
17cd3485e1 Use templates for the GraphType for DefaultDOTGraphTraits' members instead 
of just using void*. This allows it to be used with graph adapters like
Inverse.

llvm-svn: 37032
 2007-05-14 14:23:27 +00:00
Dan Gohman
1fba6fb9a8 Add a addRequiredTransitiveID member function, which is to 
addRequiredTransitive as addRequiredID is to addRequired.

llvm-svn: 37031
 2007-05-14 14:21:46 +00:00
Chris Lattner
82c4362a67 update comments 
llvm-svn: 37027
 2007-05-14 01:54:16 +00:00
Reid Spencer
a17d02ad08 Add some things needed by the llvm-gcc version supporting bit accurate integer 
types:
1. Functions to compute div/rem at the same time.
2. Further assurance that an APInt with 0 bitwidth cannot be constructed.
3. Left and right rotate operations.
4. An exactLogBase2 function which requires an exact power of two or it
   returns -1.

llvm-svn: 37025
 2007-05-13 23:44:59 +00:00
Anton Korobeynikov
100919126f Emit multiple common EH frames for multiple (including blank) personality 
functions. This partly fixes PR1414: now we're restricted only to one
personality function per eh frame, not per module. Further work on
"multiple personalities" topic needs representative example.

llvm-svn: 37018
 2007-05-13 15:42:26 +00:00
Anton Korobeynikov
7daaf71b29 More DWARF-related things cleanup: 
1. Fix PR1380
2. Apply Duncan's patch from PR1410
3. Insert workaround for "one personality function per module" as noted in PR1414
4. Emit correct debug frames for x86/linux. This partly fixes DebugInfo/2006-11-06-StackTrace.cpp: stack trace is
shown correctly, but arguments for function on top of stack are displayed incorrectly.

llvm-svn: 37015
 2007-05-12 22:36:25 +00:00
Dan Gohman
19d23d8595 Remove forward-declarations for classes that don't exist. 
llvm-svn: 36993
 2007-05-11 21:05:57 +00:00
Dan Gohman
c0617dde90 Add explicit keywords to several constructors that now have one argument. 
llvm-svn: 36992
 2007-05-11 21:04:48 +00:00
Dan Gohman
fad75ac3af Simplify BranchInst::getSuccessor, avoiding a conditional operator. 
llvm-svn: 36991
 2007-05-11 20:59:29 +00:00
Anton Korobeynikov
0a29b65e0c Allow multiple invokes per landing pad. This (probably) fixes PR1410. 
llvm-svn: 36977
 2007-05-10 22:34:59 +00:00
Evan Cheng
855b26b72e Eliminate MarkVirtRegAliveInBlock recursion. 
llvm-svn: 36943
 2007-05-08 19:00:00 +00:00
Evan Cheng
abe2299a19 Add MachineBasicBlock preds / succs reverse iterators. 
llvm-svn: 36942
 2007-05-08 18:55:03 +00:00
Chris Lattner
114dad2f8f update comments, no functionality change 
llvm-svn: 36929
 2007-05-08 05:38:32 +00:00
Jeff Cohen
2e8263c013 Unbreak VC++ build. 
llvm-svn: 36901
 2007-05-07 15:21:46 +00:00
Chris Lattner
112d26a164 Enhance MemoryBuffer to return error messages in strings if they occur. 
llvm-svn: 36899
 2007-05-06 23:32:36 +00:00
Chris Lattner
5ca60f2489 remove bytecode headers 
llvm-svn: 36885
 2007-05-06 19:47:36 +00:00
Chris Lattner
7dbcbe7af5 remove dead header 
llvm-svn: 36884
 2007-05-06 19:46:23 +00:00
Nick Lewycky
c2306ff5b4 Fix typo in comment. 
llvm-svn: 36873
 2007-05-06 13:37:16 +00:00
Chris Lattner
6cfc34329b Move this here from Bytecode/Archive.h 
llvm-svn: 36865
 2007-05-06 09:14:53 +00:00
Chris Lattner
87753518a9 allow zero-length arrays 
llvm-svn: 36863
 2007-05-06 08:22:10 +00:00
Chris Lattner
37779a0b4c we aren't at the end of stream until we've consumed all the bytes AND all 
the bits in those bytes.

llvm-svn: 36861
 2007-05-06 08:12:09 +00:00
Chris Lattner
ae80a1de2f add support for identifying bitcode files 
llvm-svn: 36845
 2007-05-06 05:30:10 +00:00
Chris Lattner
cee444cf93 Add a helper that either opens a file or stdin. 
llvm-svn: 36835
 2007-05-06 04:41:59 +00:00
Jeff Cohen
0b108b4f29 Make code more 64-bit aware. 
llvm-svn: 36833
 2007-05-06 03:24:19 +00:00
Jeff Cohen
ce844b2aaa Unbreak VC++. 
llvm-svn: 36831
 2007-05-06 03:12:47 +00:00
Chris Lattner
bf23240f44 add a new CreateBitcodeWriterPass method, which creates a bitcode writer as 
a pass

llvm-svn: 36828
 2007-05-06 02:30:12 +00:00
Chris Lattner
c9ca38fedf add inline asm code 
llvm-svn: 36826
 2007-05-06 01:50:11 +00:00
Chris Lattner
2753e54f7b Fix a subtle bug that prevented round-tripping 470.lbm 
llvm-svn: 36825
 2007-05-06 01:43:38 +00:00
Chris Lattner
6d0c5eb739 add a denser encoding for null terminated strings, add a 6-bit abbrev as 
well.  This shrinks kc++ from 2724088 to 2717360 bytes.

llvm-svn: 36821
 2007-05-06 00:53:07 +00:00
Chris Lattner
34b256e1a6 implement the 'string constant' optimization. This shrinks kc.bit from 
2878544 to 2815788

llvm-svn: 36818
 2007-05-06 00:35:24 +00:00
Chris Lattner
9818d0a7e6 fix a bug I introduced when I merged some code together 
llvm-svn: 36813
 2007-05-05 23:40:48 +00:00
Anton Korobeynikov
ce48606d7a Emit sections/directives in the proper order. This fixes PR1376. Also, 
some small cleanup was made.

llvm-svn: 36780
 2007-05-05 09:04:50 +00:00
Chris Lattner
7d16cb364d minor bugfix 
llvm-svn: 36777
 2007-05-05 07:20:34 +00:00
Chris Lattner
cedc5577f2 add a 6-bit encoding type for strings. 
llvm-svn: 36770
 2007-05-05 01:15:42 +00:00
Chris Lattner
eca2bb1334 Implement support for globally associating abbrevs with block IDs, which 
relieves us from having to emit the abbrevs into each instance of the block.
This shrinks kc.bit from 3368K to 3333K, but will be a more significant win
once instructions are abbreviated.

The VST went from:

  Block ID #14 (VALUE_SYMTAB):
      Num Instances: 2345
         Total Size: 1.29508e+07b/1.61885e+06B/404713W
       Average Size: 5522.73b/690.342B/172.585W
          % of file: 48.0645
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 7035/3
    Tot/Avg Records: 120924/51.5667
      % Abbrev Recs: 100

to:

  Block ID #14 (VALUE_SYMTAB):
      Num Instances: 2345
         Total Size: 1.26713e+07b/1.58391e+06B/395978W
       Average Size: 5403.53b/675.442B/168.86W
          % of file: 47.5198
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 0/0
    Tot/Avg Records: 120924/51.5667
      % Abbrev Recs: 100

because we didn't emit the same 3 abbrevs 2345 times :)

llvm-svn: 36767
 2007-05-05 00:17:00 +00:00
Chris Lattner
e2b2272c53 use a template to eliminate manual code duplication 
llvm-svn: 36757
 2007-05-04 20:40:50 +00:00
Bill Wendling
dc82c5a195 Add an "implies" field to features. This indicates that, if the current 
feature is set, then the features in the implied list should be set also.
The opposite is also enforced: if a feature in the implied list isn't set,
then the feature that owns that implies list shouldn't be set either.

llvm-svn: 36756
 2007-05-04 20:38:40 +00:00
Chris Lattner
75b84adf6b add support for array abbreviations. 
llvm-svn: 36754
 2007-05-04 20:33:47 +00:00
Chris Lattner
a4aa2e9b7a eliminate lengths from record bodies 
llvm-svn: 36751
 2007-05-04 19:10:48 +00:00
Chris Lattner
4e0c6003b7 minor cleanups. Add provisions for a new standard BLOCKINFO_BLOCK 
block type.

llvm-svn: 36748
 2007-05-04 18:25:49 +00:00
Chris Lattner
f0086ffafa refcount BitCodeAbbrev objects 
llvm-svn: 36747
 2007-05-04 17:35:19 +00:00
Chris Lattner
da3b0264f7 if functiontype is going to have a pointer to a paramattr object, it better 
be const.  The only way to get a pointer to these returns a const pointer.

llvm-svn: 36734
 2007-05-04 03:39:28 +00:00
Chris Lattner
b973c9b64e add a helper 
llvm-svn: 36729
 2007-05-04 03:13:39 +00:00
Chris Lattner
bb8d1755f6 remove unused code 
llvm-svn: 36727
 2007-05-04 03:01:46 +00:00
Chris Lattner
2d0c97d9a1 add new codes 
llvm-svn: 36725
 2007-05-04 03:00:00 +00:00
Chris Lattner
43c70c8404 add a new code 
llvm-svn: 36703
 2007-05-03 22:16:11 +00:00
Jeff Cohen
d59084b6f6 Unbreak VC++ build. 
llvm-svn: 36700
 2007-05-03 22:09:21 +00:00
Devang Patel
e0b9bd0e49 Use iterative while loop instead of recursive function call. 
llvm-svn: 36694
 2007-05-03 20:55:18 +00:00
Dan Gohman
793c6e2d5e Use the explicit keyword for the SCEV class' constructor. 
llvm-svn: 36686
 2007-05-03 18:45:06 +00:00
Chris Lattner
49b1ec44eb This is a patch to fix a compile error in STLExtras.h, and 
a bug in GraphWriter.cpp.

Patch by Florian Brandner

llvm-svn: 36684
 2007-05-03 18:32:10 +00:00
Chris Lattner
8b4f0920ab remove extraneous type qualifiers 
llvm-svn: 36679
 2007-05-03 18:14:56 +00:00
Chris Lattner
fb7a009708 remove extraneous top-level semi's 
llvm-svn: 36678
 2007-05-03 18:13:15 +00:00
Chris Lattner
060e3be47e remove two useless functions. Just inherit Type's implementation instead. 
llvm-svn: 36677
 2007-05-03 17:10:20 +00:00
Chris Lattner
d710ec51bf remove useless type qualifiers 
llvm-svn: 36676
 2007-05-03 17:09:36 +00:00
Chris Lattner
5f70561cc5 avoid invalid C++ token in #error 
llvm-svn: 36674
 2007-05-03 16:57:26 +00:00
Devang Patel
cd45427a87 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Chris Lattner
a3d01187b7 Add a new option. 
llvm-svn: 36657
 2007-05-03 00:16:07 +00:00
Devang Patel
8ee9065162 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
 2007-05-02 21:39:20 +00:00
Devang Patel
32786f1037 Re-install patch to enable use of PassID. 
I am preparing another patch to address the failure that prompted
Chris to revert this patch earlier.

llvm-svn: 36649
 2007-05-02 20:38:25 +00:00
Chris Lattner
79333821da update to reflect reality 
llvm-svn: 36643
 2007-05-02 05:47:22 +00:00
Chris Lattner
055c13234b revert enough of devang's recent patches to get the tree basically working again 
llvm-svn: 36638
 2007-05-02 04:25:31 +00:00
Anton Korobeynikov
6e6bfcaf4d Fix couple of bugs connected with eh info: 
1. Correct output offsets on Linux
2. Fix "style" of personality function. It shouldn't be indirect.

llvm-svn: 36633
 2007-05-01 22:23:12 +00:00
Devang Patel
38a66bc82e Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Evan Cheng
e7bd8c76db Pass call frame setup SP adjustment along to eliminateFrameIndex(). 
llvm-svn: 36624
 2007-05-01 08:59:18 +00:00
Evan Cheng
65f0ba62d5 Add SPAdj parameter to account for call frame setup SP adjustment. 
llvm-svn: 36623
 2007-05-01 08:58:27 +00:00
Nate Begeman
767ee95d29 llvm bug #1350, parts 1, 2, and 3. 
llvm-svn: 36618
 2007-05-01 05:57:02 +00:00
Chris Lattner
21e0d64a6e several bitfixes to JumpToBit 
llvm-svn: 36616
 2007-05-01 05:51:32 +00:00
Chris Lattner
eb2a5f5f99 add JumpToBit, an explicit init method, and a default ctor. 
llvm-svn: 36613
 2007-05-01 04:59:06 +00:00
Chris Lattner
92eca49c3f add missing opcode. 
llvm-svn: 36608
 2007-05-01 02:12:05 +00:00
Evan Cheng
34e61fc3cd Added hook hasReservedCallFrame(). It returns true if the call frame is 
included as part of the stack frame.

llvm-svn: 36606
 2007-05-01 00:47:46 +00:00
Christopher Lamb
799da3f145 Implement review feedback. 
llvm-svn: 36603
 2007-04-30 23:54:10 +00:00
Christopher Lamb
b8a156a82e Header file for ELF relocations. 
llvm-svn: 36597
 2007-04-30 20:41:08 +00:00
Anton Korobeynikov
14376967ac Fix comment 
llvm-svn: 36596
 2007-04-30 19:14:56 +00:00
Reid Spencer
db43279e9a If an archive is not recognized as an LLVM bytecode archive then declare 
that it is native so that the linker will pass it on downstream. This avoids
a problem where the native link line fails because there is both a .so and
a .a file. The .a file gets processed as bytecode and then dropped from the
command line.

llvm-svn: 36584
 2007-04-30 00:29:39 +00:00
Chris Lattner
31d1dec66d add some helpers 
llvm-svn: 36580
 2007-04-29 21:49:05 +00:00
Chris Lattner
8a40d39a8e compute this value correctly 
llvm-svn: 36575
 2007-04-29 19:49:58 +00:00
Dale Johannesen
1ee5f128f6 Make ARM-specific version of getInlineAsmLength 
llvm-svn: 36572
 2007-04-29 19:17:45 +00:00
Chris Lattner
d61ccde429 add a method 
llvm-svn: 36571
 2007-04-29 19:17:32 +00:00
Anton Korobeynikov
3d95e52ea2 Implement protected visibility. This partly implements PR1363. Linker 
should be taught to deal with protected symbols.

llvm-svn: 36565
 2007-04-29 18:35:00 +00:00
Anton Korobeynikov
cb2004f82c Implement review feedback 
llvm-svn: 36564
 2007-04-29 18:02:48 +00:00
Chris Lattner
631dd78a41 Jeff's fix was fine 
llvm-svn: 36563
 2007-04-29 17:44:10 +00:00
Chris Lattner
2e9010f6e6 add missing ctor 
llvm-svn: 36562
 2007-04-29 17:40:50 +00:00
Jeff Cohen
7cfc4b404f Fix MemoryBuffer breakage correctly. 
llvm-svn: 36561
 2007-04-29 14:43:31 +00:00
Chris Lattner
8308e85781 make this file self-contained 
llvm-svn: 36555
 2007-04-29 08:05:07 +00:00
Chris Lattner
eee1022086 Switch the bitcode reader interface to take a MemoryBuffer instead of knowing 
anything about disk I/O itself.  This greatly simplifies its interface -
eliminating the need for the ReaderWrappers.cpp file.

This adds a new option to llvm-dis (-bitcode) which instructs it to read
the input file as bitcode.  Until/unless the bytecode reader is taught to
read from MemoryBuffer, there is no way to handle stdin reading without it.

I don't plan to switch the bytecode reader over, I'd rather delete it :),
so the option will stay around temporarily.

llvm-svn: 36554
 2007-04-29 07:54:31 +00:00
Chris Lattner
4749cca517 Add a new memorybuffer class, to unify all the file reading code in the system 
llvm-svn: 36553
 2007-04-29 06:58:52 +00:00