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7211 Commits

Author SHA1 Message Date
David Goodwin
49fbd8d6b7 Use common code for both ARM and Thumb-2 instruction and register info. 
llvm-svn: 75067
 2009-07-08 23:10:31 +00:00
Duncan Sands
888e420637 Nowadays vectors are only split if they have an even 
number of elements.  Make some simplifications based
on this (in particular SplitVecRes_SETCC).  Tighten
up some checking while there.

llvm-svn: 75050
 2009-07-08 21:34:03 +00:00
Bill Wendling
8538bf59a8 Use interators instead of counters for loops. 
llvm-svn: 75046
 2009-07-08 20:57:27 +00:00
Owen Anderson
9331034838 Push LLVMContext _back_ through IRBuilder. 
llvm-svn: 75040
 2009-07-08 20:50:47 +00:00
Owen Anderson
332aae685b Switch GlobalVariable ctors to a sane API, where *either* a context or a module is required. 
llvm-svn: 75025
 2009-07-08 19:03:57 +00:00
Duncan Sands
f3d675f3dd Remove trailing whitespace. Reorder some methods 
and cases alphabetically.  No functionality change.

llvm-svn: 75001
 2009-07-08 11:36:39 +00:00
Nick Lewycky
d46a7b2d22 Remove the vicmp and vfcmp instructions. Because we never had a release with 
these instructions, no autoupgrade or backwards compatibility support is
provided.

llvm-svn: 74991
 2009-07-08 03:04:38 +00:00
Owen Anderson
7a1f69e433 Push LLVMContext through GlobalVariables and IRBuilder. 
llvm-svn: 74985
 2009-07-08 01:26:06 +00:00
Chris Lattner
ea7bd9b484 dag combine sext(setcc) -> vsetcc before legalize. To make this safe, 
VSETCC must define all bits, which is different than it was documented
to before.  Since all targets that implement VSETCC already have this
behavior, and we don't optimize based on this, just change the 
documentation.  We now get nice code for vec_compare.ll

llvm-svn: 74978
 2009-07-08 00:31:33 +00:00
Chris Lattner
0e88c6a9b4 SelectionDAG::SignBitIsZero doesn't work right for vectors, 
for now, conservatively return false.

llvm-svn: 74969
 2009-07-07 23:28:46 +00:00
Dale Johannesen
f77b78ed70 Operand of asm("call") (the callee function) is represented 
as "X" constraint and "P" modifier on x86.  Make this work.
(Change may not be sufficient to fix it for non-Darwin, but
I'm pretty sure it won't break anything.)
gcc.apple/asm-block-32.c
gcc.apple/asm-block-33.c

llvm-svn: 74967
 2009-07-07 23:26:33 +00:00
Chris Lattner
e2435c4f6f add support for legalizing an icmp where the result is illegal (4xi1) but 
the input is legal (4 x i32)

llvm-svn: 74964
 2009-07-07 23:03:54 +00:00
Chris Lattner
8604f71f91 random code cleanups. 
llvm-svn: 74962
 2009-07-07 22:49:15 +00:00
Chris Lattner
a754f344b2 implement support for spliting and scalarizing vector setcc's. This 
finishes off enough support for vector compares to get the icmp/fcmp
version of 2008-07-23-VSetCC.ll passing.

llvm-svn: 74961
 2009-07-07 22:47:46 +00:00
Chris Lattner
440ad90c83 lower vector icmp/fcmp to ICMP/FCMP nodes with the right result 
(vector of bool).

llvm-svn: 74960
 2009-07-07 22:41:32 +00:00
Chris Lattner
8361a0c867 ScalarizeVecRes_ShiftOp and ScalarizeVecRes_BinOp are the same, 
eliminate the former.

llvm-svn: 74959
 2009-07-07 22:28:41 +00:00
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