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1609 Commits

Author SHA1 Message Date
Nate Begeman
e179584f9b Change how FP immediates are handled. 
1) ConstantFP is now expand by default
2) ConstantFP is not turned into TargetConstantFP during Legalize
   if it is legal.

This allows ConstantFP to be handled like Constant, allowing for 
targets that can encode FP immediates as MachineOperands.

As a bonus, fix up Itanium FP constants, which now correctly match,
and match more constants!  Hooray.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47121 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 08:57:00 +00:00
Nate Begeman
e8b7ccf0c9 Support a new type of MachineOperand, MO_FPImmediate, used for holding 
FP Immediates, crazily enough


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47117 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:39:30 +00:00
Nate Begeman
f504eefb6e Nuke dead comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47114 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:23:11 +00:00
Dan Gohman
977a76fbb6 Simplify some logic in ComputeMaskedBits. And change ComputeMaskedBits 
to pass the mask APInt by value, not by reference. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47096 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 22:28:48 +00:00
Nicolas Geoffray
afe6c2b001 Enable exception handling int JIT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47079 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 18:39:37 +00:00
Evan Cheng
b1f6f91393 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47059 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 09:18:16 +00:00
Evan Cheng
70071434ae Initial support for copy elimination by commuting its definition MI. 
PR1877.
A3 = op A2 B0<kill>                                                                                                                                                                            
...                                                                                                                                                                                     
B1 = A3      <- this copy                                                                                                                                                                      
...                                                                                                                                                                                          
   = op A3   <- more uses                                                                                                                                                                      
                                                                                                                                                                                                 
==>                                                                                                                                                                                             
                                                                                                                                                                                            
B2 = op B0 A2<kill>                                                                                                                                                                            
...                                                                                                                                                                                          
B1 = B2      <- now an identify copy                                                                                                                                                           
...                                                                                                                                                                                          
   = op B2   <- more uses

This speeds up FreeBench/neural by 29%, Olden/bh by 12%, oopack_v1p8 by 53%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47046 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 03:01:43 +00:00
Evan Cheng
d2b8d7bc51 - Added removeValNo() to remove all live ranges of a particular value#. 
- removeRange() can now update value# information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47044 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 02:48:26 +00:00
Evan Cheng
1eb5cf9c7d Added debugging routine dumpUses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47042 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 02:45:38 +00:00
Dan Gohman
fd29e0eb06 Convert SelectionDAG::ComputeMaskedBits to use APInt instead of uint64_t. 
Add an overload that supports the uint64_t interface for use by clients
that haven't been updated yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47039 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 00:35:47 +00:00
Dan Gohman
14471be9ab Add a doxygen comment for SrcValueSDNode, to make its purpose 
clear and to clarify how it differs from MemOperandSDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47015 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 18:52:52 +00:00
Dan Gohman
f8df0ff9a5 From Chris' review: change MemOperandSDNode's constructor to pass its 
argument by reference, rather than by value. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46960 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 18:56:50 +00:00
Dan Gohman
6f0d024a53 Rename MRegisterInfo to TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 18:45:23 +00:00
Dan Gohman
6394b099e8 Change ConstantSDNode to store an APInt instead of a uint64_t, and 
begin adding some methods to use it this way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46899 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-08 22:59:30 +00:00
Dan Gohman
547ca537b6 Avoid needlessly casting away const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46876 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-08 03:26:46 +00:00
Dan Gohman
3069b87437 Follow Chris' suggestion; change the PseudoSourceValue accessors 
to return pointers instead of references, since this is always what
is needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46857 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 18:41:25 +00:00
Dan Gohman
69de1932b3 Re-apply the memory operand changes, with a fix for the static 
initializer problem, a minor tweak to the way the
DAGISelEmitter finds load/store nodes, and a renaming of the
new PseudoSourceValue objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46827 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 22:27:42 +00:00
Evan Cheng
06816127fd Unbreak teh build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46729 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 00:25:13 +00:00
Evan Cheng
fc718542a3 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46725 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 23:10:38 +00:00
Chris Lattner
f8dc0617ba Change the 'global modification' APIs in SelectionDAG to take a new 
DAGUpdateListener object pointer instead of just returning a vector 
of deleted nodes.  This makes the interfaces more efficient (no more
allocating a vector [at least a malloc], filling it in, then walking
it) and more clean.  This also allows the client to be notified of
nodes that are *changed* but not deleted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-03 06:49:24 +00:00
Evan Cheng
a844bdeab3 SDIsel processes llvm.dbg.declare by recording the variable debug information descriptor and its corresponding stack frame index in MachineModuleInfo. This only works if the local variable is "homed" in the stack frame. It does not work for byval parameter, etc. 
Added ISD::DECLARE node type to represent llvm.dbg.declare intrinsic. Now the intrinsic calls are lowered into a SDNode and lives on through out the codegen passes.
For now, since all the debugging information recording is done at isel time, when a ISD::DECLARE node is selected, it has the side effect of also recording the variable. This is a short term solution that should be fixed in time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-02 04:07:54 +00:00
Evan Cheng
1b08bbca55 Remove the nasty LABEL hack with a much less evil one. Now llvm.dbg.func.start implies a stoppoint is set. SelectionDAGISel records a new source line but does not create a ISD::LABEL node for this special stoppoint. Asm printer will magically print this label. This ensures nothing is emitted before. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46635 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-01 09:10:45 +00:00
Evan Cheng
a647c92ec2 Rename RecordLabel to RecordSourceLine because that's what it is doing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46628 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-01 02:05:57 +00:00
Evan Cheng
334dc1f58d Revert 46556 and 46585. Dan please fix the PseudoSourceValue problem and re-commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46623 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-31 21:00:00 +00:00
Evan Cheng
bb81d97feb Add an extra operand to LABEL nodes which distinguishes between debug, EH, or misc labels. This fixes the EH breakage. However I am not convinced this is *the* solution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46609 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-31 09:59:15 +00:00
Dan Gohman
35e9f7d711 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46588 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-31 00:44:33 +00:00
Dan Gohman
1a0248690a Rename ISD::FLT_ROUNDS to ISD::FLT_ROUNDS_ to avoid conflicting 
with the real FLT_ROUNDS (defined in <float.h>).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46587 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-31 00:41:03 +00:00
Dan Gohman
c6c391dadd Create a new class, MemOperand, for describing memory references 
in the backend. Introduce a new SDNode type, MemOperandSDNode, for
holding a MemOperand in the SelectionDAG IR, and add a MemOperand
list to MachineInstr, and code to manage them. Remove the offset
field from SrcValueSDNode; uses of SrcValueSDNode that were using
it are all all using MemOperandSDNode now.

Also, begin updating some getLoad and getStore calls to use the
PseudoSourceValue objects.

Most of this was written by Florian Brander, some
reorganization and updating to TOT by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46585 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-31 00:25:39 +00:00
Evan Cheng
6b2cf285bd A semi-gross fix for a debug info issue. When inserting the "function start" label (i.e. first label in the entry block) take care to insert it at the beginning of the block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46568 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-30 19:35:32 +00:00
Dan Gohman
f38dc192dd Add a new PseudoSourceValue class, which will be used to help track 
memory reference information in the backend. Most of this was written by
Florian Brander, cleanup and updating to TOT by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46556 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-30 16:35:31 +00:00
Dan Gohman
b625f2f896 Factor the addressing mode and the load/store VT out of LoadSDNode 
and StoreSDNode into their common base class LSBaseSDNode. Member
functions getLoadedVT and getStoredVT are replaced with the common
getMemoryVT to simplify code that will handle both loads and stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46538 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-30 00:15:11 +00:00
Dan Gohman
6326b0d0f8 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46507 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-29 12:06:33 +00:00
Dan Gohman
1327f69d98 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46506 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-29 11:36:12 +00:00
Owen Anderson
24387df207 Fixes for BreakCriticalMachineCodeEdge by Fernando. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46419 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-27 19:51:03 +00:00
Chris Lattner
84cd0e7fa3 make isExactlyValue work for long double. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46410 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-27 06:19:08 +00:00
Chris Lattner
88d480b552 Reorder a field to reduce the size of StackObject. Note that this 
may require a clean rebuild on leopard. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46360 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-25 17:49:41 +00:00
Chris Lattner
bc2458408a move this field back. Moving the field causes miscompilations (!) of voronoi and others. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46350 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-25 07:29:34 +00:00
Chris Lattner
1612faae3c move MachineFrameInfo::CreateFixedObject out of line, give MachineFrameInfo 
a reference to TargetFrameInfo.  Rearrange order of fields in StackObject to
save a word.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46348 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-25 07:19:06 +00:00
Chris Lattner
4ae9e0c530 add a fixme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46346 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-25 06:20:20 +00:00
Owen Anderson
b487e7215c Move some functionality for adding flags to MachineInstr's into methods on MachineInstr rather than LiveVariables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46295 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-24 01:10:07 +00:00
Chris Lattner
c2f191cc2a Fix the failures in the PPC JIT by marking relocation entries for 
external symbols (e.g. 'fmod') as needing a stub.  This regression
was introduced by Evan's jit patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071231/056749.html

With this fixed, the two ExecutionEngine failures are passing on ppc,
and the ppc jit works on freebench and olden.

This should be pulled into the 2.2 release branch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46222 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-21 22:27:27 +00:00
Chris Lattner
39354cb743 add some helper methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46128 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-17 07:30:38 +00:00
Chris Lattner
0bd4893a07 * Introduce a new SelectionDAG::getIntPtrConstant method 
and switch various codegen pieces and the X86 backend over
  to using it.

* Add some comments to SelectionDAGNodes.h

* Introduce a second argument to FP_ROUND, which indicates
  whether the FP_ROUND changes the value of its input. If
  not it is safe to xform things like fp_extend(fp_round(x)) -> x.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46125 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-17 07:00:52 +00:00
Dale Johannesen
48ae02fe62 Do not mark EH tables no-dead-strip unless the 
associated function is so marked.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46088 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 19:59:28 +00:00
Chris Lattner
572dee71af Factor the ReachesChainWithoutSideEffects out of dag combiner into 
a public SDOperand::reachesChainWithoutSideEffects method.  No 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46050 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 05:49:24 +00:00
Owen Anderson
40a627ddf8 Move some calls to getVRegDef higher in the callgraph, so they don't get executed as frequently in performance sensitive code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46027 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:58:11 +00:00
Evan Cheng
426df7538d Unbreak the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46021 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:19:35 +00:00
Evan Cheng
e14af4fe74 Oops. Forgot to commit this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 07:49:54 +00:00
Anton Korobeynikov
66fac79b89 For PR1839: add initial support for __builtin_trap. llvm-gcc part is missed 
as well as PPC codegen


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46001 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 07:02:33 +00:00
Chris Lattner
2769f6fc59 remove some incorrect classof's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45893 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-11 23:25:16 +00:00