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7195 Commits

Author SHA1 Message Date
Chris Lattner
7e1482b246 add support for vector legalizing of *_EXTEND. 
llvm-svn: 74957
 2009-07-07 22:27:17 +00:00
Devang Patel
e416111eeb Accidently dropped this while removing dead code in previous commit. 
llvm-svn: 74953
 2009-07-07 21:55:14 +00:00
Devang Patel
4fdc3e6c1d Remove dead code. 
llvm-svn: 74949
 2009-07-07 21:12:32 +00:00
Owen Anderson
75f0f1cc6c Have scoped mutexes take referenes instead of pointers. 
llvm-svn: 74931
 2009-07-07 18:33:04 +00:00
Evan Cheng
c0a72563c9 Revert 74898. It broke several tests. 
llvm-svn: 74925
 2009-07-07 17:50:43 +00:00
Sanjiv Gupta
83f715997c if the terminator is a branch depending upon the side effects of a 
previous cmp; a copy can not be inserted here if the copy insn also has
 side effects. We don't have access to the attributes of copy insn here;
 so just play safe by finding a safe locations for branch terminators.

llvm-svn: 74898
 2009-07-07 08:04:51 +00:00
Evan Cheng
29ce3bfbb8 Avoid adding a duplicate def. This fixes PR4478. 
llvm-svn: 74857
 2009-07-06 21:34:05 +00:00
Duncan Sands
79c4498f99 Fix the cmake build - patch by Xerxes Rånby. 
llvm-svn: 74825
 2009-07-06 14:28:32 +00:00
Bruno Cardoso Lopes
f03970cf37 Changed ELFCodeEmitter to inherit from ObjectCodeEmitter 
llvm-svn: 74821
 2009-07-06 09:26:48 +00:00
Bruno Cardoso Lopes
fe9ea88db1 Cleanup MachO writer and code emitter. Fix 80 cols problems, remove extra spaces, shrink down includes and move some methods out-of-line 
llvm-svn: 74817
 2009-07-06 06:40:51 +00:00
Bruno Cardoso Lopes
c28df0f408 Just forgot to include the two new files 
llvm-svn: 74814
 2009-07-06 05:16:40 +00:00
Bruno Cardoso Lopes
38373542a1 Add the Object Code Emitter class. Original patch by Aaron Gray, I did some 
cleanup, removed some #includes and moved Object Code Emitter out-of-line.

llvm-svn: 74813
 2009-07-06 05:09:34 +00:00
Owen Anderson
977aa11bc6 More LLVMContext-ification. 
llvm-svn: 74807
 2009-07-05 22:41:43 +00:00
Tilmann Scheller
cea3c16aa5 Add NumFixedArgs attribute to CallSDNode which indicates the number of fixed arguments in a vararg call. 
With the SVR4 ABI on PowerPC, vector arguments for vararg calls are passed differently depending on whether they are a fixed or a variable argument. Variable vector arguments always go into memory, fixed vector arguments are put 
into vector registers. If there are no free vector registers available, fixed vector arguments are put on the stack.

The NumFixedArgs attribute allows to decide for an argument in a vararg call whether it belongs to the fixed or variable portion of the parameter list.

llvm-svn: 74764
 2009-07-03 06:44:53 +00:00
Bruno Cardoso Lopes
0dc4fd3fcc Factor some code out and support for Jump Table relocations 
llvm-svn: 74760
 2009-07-03 04:36:26 +00:00
Devang Patel
5f93a737f6 Simplify debug info intrisinc lowering. 
llvm-svn: 74733
 2009-07-02 22:43:26 +00:00
Douglas Gregor
b523a25108 CMake build fixes, from Xerxes Ranby 
llvm-svn: 74720
 2009-07-02 18:53:52 +00:00
Bruno Cardoso Lopes
810ef07890 shrinking down #includes 
llvm-svn: 74718
 2009-07-02 18:29:24 +00:00
Bruno Cardoso Lopes
bd4ae81317 Remove getFunctionAlignment from TargetELFInfo and use new MachineFunction alignment method 
llvm-svn: 74686
 2009-07-02 02:13:13 +00:00
Devang Patel
735f7d53ca Simplify. 
llvm-svn: 74677
 2009-07-02 00:28:03 +00:00
Devang Patel
2e373cdc9f Simplify. No intentional functionality change. 
llvm-svn: 74673
 2009-07-02 00:08:09 +00:00
Devang Patel
1fececd8c1 Refactor. No functionality change. 
llvm-svn: 74659
 2009-07-01 23:19:01 +00:00
Devang Patel
9149c185a4 llvm.dbg.declare is always used for local variable's debug info. 
llvm-svn: 74625
 2009-07-01 18:51:07 +00:00
Evan Cheng
e6989735a6 CommuteChangesDestination() should check if to-be-commuted instruction defines any register. Also teaches the default commuteInstruction() to commute instruction without definitions (e.g. X86::test / ARM::tsp). 
llvm-svn: 74602
 2009-07-01 08:29:08 +00:00
Evan Cheng
7d78cb531e Remove special handling of implicit_def. Fix a couple more bugs in liveintervalanalysis and coalescer handling of implicit_def. 
Note, isUndef marker must be placed even on implicit_def def operand or else the scavenger will not ignore it. This is necessary because -O0 path does not use liveintervalanalysis, it treats implicit_def just like any other def.

llvm-svn: 74601
 2009-07-01 08:19:36 +00:00
Evan Cheng
37503e9671 Handle IMPLICIT_DEF with isUndef operand marker, part 2. This patch moves the code to annotate machineoperands to LiveIntervalAnalysis. It also add markers for implicit_def that define physical registers. The rest, is just a lot of details. 
llvm-svn: 74580
 2009-07-01 01:59:31 +00:00
Daniel Dunbar
bc3d149e98 Remove unused AsmPrinter OptLevel argument, and propogate. 
- This more or less amounts to a revert of r65379. I'm curious to know what
   happened that caused this variable to become unused.

llvm-svn: 74579
 2009-07-01 01:48:54 +00:00
Bill Wendling
c0fb316bd3 Add an "alignment" field to the MachineFunction object. It makes more sense to 
have the alignment be calculated up front, and have the back-ends obey whatever
alignment is decided upon.

This allows for future work that would allow for precise no-op placement and the
like.

llvm-svn: 74564
 2009-06-30 22:38:32 +00:00
Evan Cheng
28b9e77f19 Temporarily restore the scavenger implicit_def checking code. MachineOperand isUndef mark is not being put on implicit_def of physical registers (created for parameter passing, etc.). 
llvm-svn: 74519
 2009-06-30 09:19:42 +00:00
Evan Cheng
c6c942b70f Add a bit IsUndef to MachineOperand. This indicates the def / use register operand is defined by an implicit_def. That means it can def / use any register and passes (e.g. register scavenger) can feel free to ignore them. 
The register allocator, when it allocates a register to a virtual register defined by an implicit_def, can allocate any physical register without worrying about overlapping live ranges. It should mark all of operands of the said virtual register so later passes will do the right thing.

This is not the best solution. But it should be a lot less fragile to having the scavenger try to track what is defined by implicit_def.

llvm-svn: 74518
 2009-06-30 08:49:04 +00:00
Devang Patel
e35cd91347 Struct types are described using field types only. 
llvm-svn: 74477
 2009-06-29 23:46:50 +00:00
Devang Patel
bff451b95b s/MainCU/ModuleCU/g 
llvm-svn: 74452
 2009-06-29 20:45:18 +00:00
Devang Patel
4ba8cbff55 Multiple DW_TAG_compile_unit is not used, afaict, on any target. 
Update dwarf writer to only emit one DW_TAG_compile_unit per .o file. 

llvm-svn: 74449
 2009-06-29 20:38:13 +00:00
Dan Gohman
e25e17d91e Eliminate a layer of indirection in LoopInfo and MachineLoopInfo. 
llvm-svn: 74394
 2009-06-27 21:22:48 +00:00
Chris Lattner
0ce83b0e95 When doing remat, don't consider uses of non-allocatable physregs. Patch 
by Evan.

llvm-svn: 74370
 2009-06-27 04:06:41 +00:00
Chris Lattner
ce7f3c052e fix a typo that GCC should have caught that causes crashes with -view-*-dags 
llvm-svn: 74364
 2009-06-27 00:57:02 +00:00
Chris Lattner
ca9aefcc93 fix a really subtle bug in the cross section of aliases and TLS: 
the SelectionDAG::getGlobalAddress function properly looks through
aliases to determine thread-localness, but then passes the GV* down
to GlobalAddressSDNode::GlobalAddressSDNode which does not.  Instead
of passing down isTarget, just pass down the predetermined node
opcode.  This fixes some assertions with out of tree changes I'm 
working on.

llvm-svn: 74325
 2009-06-26 21:14:05 +00:00
Owen Anderson
0cf6b34d5d Get rid of these cache variables, which are a holdover from the days when 
we had multiple type planes and these lookups were expensive.

llvm-svn: 74319
 2009-06-26 20:33:47 +00:00
Chris Lattner
0fee902c2d implement DOTGraphTraits<SelectionDAG*>::getNodeLabel in terms of 
SDNode::print_details to eliminate a ton of near-duplicate code.

llvm-svn: 74311
 2009-06-26 19:06:10 +00:00
Douglas Gregor
6d9b0e8c19 Fix linking of llvm-ld and lli with CMake, from Xerxes Rånby 
llvm-svn: 74285
 2009-06-26 15:37:00 +00:00
Chris Lattner
05eabf4f95 dot graph viewing is apparently not using SDNode::print_details, this is bad, 
but in the meantime lets print targetflags on node labels.

llvm-svn: 74274
 2009-06-26 05:55:43 +00:00
Chris Lattner
3aef0c897e propagate target operand flags from dag nodes into MachineOperands. 
llvm-svn: 74273
 2009-06-26 05:52:14 +00:00
Chris Lattner
181d139bc3 fit in 80 cols 
llvm-svn: 74270
 2009-06-26 05:39:02 +00:00
Devang Patel
84a8914a4a Remove debug info anchors - llvm.dbg.compile_units, llvm.dbg.subprograms 
and llvm.dbg.global_variables.

llvm-svn: 74251
 2009-06-26 01:49:18 +00:00
Devang Patel
32bbebe82f Simplify. 
llvm-svn: 74215
 2009-06-25 22:36:02 +00:00
Chris Lattner
6a77e841e8 add targetflags to jump tables and constant pool entries. 
llvm-svn: 74204
 2009-06-25 21:35:31 +00:00
Chris Lattner
f94959f1a3 allow setting target operand flags on TargetGlobalAddress nodes. 
llvm-svn: 74203
 2009-06-25 21:21:14 +00:00
Chris Lattner
55fdaaf6e7 start bringing targetoperand flags into isel, first up, ExternalSymbol. 
llvm-svn: 74199
 2009-06-25 18:45:50 +00:00
Owen Anderson
76d92148a7 Provide guards for this shared structure. I'm not sure this actually needs 
to be shared, but how/where to privatize it is not immediately clear to me.

If any SelectionDAG experts see a better solution, please share!

llvm-svn: 74180
 2009-06-25 17:09:00 +00:00
Owen Anderson
7bc2987c5c Privatize some more debug-related static data. 
llvm-svn: 74179
 2009-06-25 16:55:32 +00:00