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231 Commits

Author SHA1 Message Date
Evan Cheng
9f21c2daf4 Remove the temporary option: -no-isel-fold-inflight 
llvm-svn: 28012
 2006-04-28 18:54:11 +00:00
Evan Cheng
f843942504 TargetLowering::LowerArguments should return a VBIT_CONVERT of 
FORMAL_ARGUMENTS SDOperand in the return result vector.

llvm-svn: 28009
 2006-04-28 05:25:15 +00:00
Evan Cheng
ff5a88b62e Added a temporary option -no-isel-fold-inflight to control whether a "inflight" 
node can be folded.

llvm-svn: 28003
 2006-04-28 02:09:19 +00:00
Evan Cheng
a6081bc674 Insert a VBIT_CONVERT between a FORMAL_ARGUMENT node and its vector uses 
(VAND, VADD, etc.). Legalizer will assert otherwise.

llvm-svn: 27991
 2006-04-27 08:29:42 +00:00
Evan Cheng
b54140b0d6 Don't forget return void. 
llvm-svn: 27974
 2006-04-25 23:03:35 +00:00
Nate Begeman
7bb910dbe7 Fix the updating of the machine CFG when a PHI node was in a successor of 
the jump table's range check block.  This re-enables 100% dense jump tables
by default on PPC & x86

llvm-svn: 27952
 2006-04-23 06:26:20 +00:00
Nate Begeman
6cfb33a42c Turn of jump tables for a bit, there are still some issues to work out with 
updating the machine CFG.

llvm-svn: 27949
 2006-04-22 23:51:56 +00:00
Nate Begeman
7ed816f900 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Chris Lattner
8f7c394f3a The BFS scheduler is apparently nondeterminstic (causes many llvmgcc bootstrap 
miscompares).  Switch RISC targets to use the list-td scheduler, which isn't.

llvm-svn: 27933
 2006-04-21 17:16:16 +00:00
Chris Lattner
70d68fcfcb Implement support for the formal_arguments node. To get this, targets shouldcustom legalize it and remove their XXXTargetLowering::LowerArguments overload 
llvm-svn: 27604
 2006-04-12 16:20:43 +00:00
Chris Lattner
2c57f7285e Add code generator support for VSELECT 
llvm-svn: 27542
 2006-04-08 22:22:57 +00:00
Chris Lattner
fc546e1780 Codegen shufflevector as VVECTOR_SHUFFLE 
llvm-svn: 27529
 2006-04-08 04:15:24 +00:00
Chris Lattner
234481e1ba Stub out shufflevector 
llvm-svn: 27514
 2006-04-08 01:19:25 +00:00
Chris Lattner
fe2926cf46 Make a vector live across blocks have the correct Vec type. This fixes 
CodeGen/X86/2006-04-04-CrossBlockCrash.ll

llvm-svn: 27436
 2006-04-05 06:54:42 +00:00
Chris Lattner
389e309bfb Intrinsics that just load from memory can be treated like loads: they don't 
have to serialize against each other.  This allows us to schedule lvx's
across each other, for example.

llvm-svn: 27346
 2006-04-02 03:41:14 +00:00
Chris Lattner
badebf1c9b Add a new -view-legalize-dags command line option 
llvm-svn: 27342
 2006-04-02 03:07:27 +00:00
Chris Lattner
13e8d5973c Prefer larger register classes over smaller ones when a register occurs in 
multiple register classes.  This fixes PowerPC/2006-04-01-FloatDoubleExtend.ll

llvm-svn: 27334
 2006-04-02 00:24:45 +00:00
Chris Lattner
f30369b9b1 Make sure to pass enough values to phi nodes when we are dealing with 
decimated vectors.  This fixes UnitTests/Vector/sumarray-dbl.c

llvm-svn: 27280
 2006-03-31 02:12:18 +00:00
Chris Lattner
82a0e17dd7 Significantly improve handling of vectors that are live across basic blocks, 
handling cases where the vector elements need promotion, expansion, and when
the vector type itself needs to be decimated.

llvm-svn: 27278
 2006-03-31 02:06:56 +00:00
Chris Lattner
9a46d1605c Bug fixes: handle constantexpr insert/extract element operations 
Handle constantpacked vectors with constantexpr elements.

This fixes CodeGen/Generic/vector-constantexpr.ll

llvm-svn: 27241
 2006-03-29 00:11:43 +00:00
Jim Laskey
a9e74309d9 More bulletproofing of llvm.dbg.declare. 
llvm-svn: 27224
 2006-03-28 13:45:20 +00:00
Chris Lattner
d5da541d42 Tblgen doesn't like multiple SDNode<> definitions that map to the sameenum value. Split them into separate enums. 
llvm-svn: 27201
 2006-03-28 00:40:33 +00:00
Jim Laskey
d2619bb575 Reactivate llvm.dbg.declare. 
llvm-svn: 27192
 2006-03-27 23:31:10 +00:00
Chris Lattner
0b857e9ffc Disable dbg_declare, it currently breaks the CFE build 
llvm-svn: 27182
 2006-03-27 21:36:03 +00:00
Nate Begeman
3d518334b9 SelectionDAGISel can now natively handle Switch instructions, in the same 
manner that the LowerSwitch LLVM to LLVM pass does: emitting a binary
search tree of basic blocks.  The new approach has several advantages:
it is faster, it generates significantly smaller code in many cases, and
it paves the way for implementing dense switch tables as a jump table by
handling switches directly in the instruction selector.

This functionality is currently only enabled on x86, but should be safe for
every target.  In anticipation of making it the default, the cfg is now
properly updated in the x86, ppc, and sparc select lowering code.

llvm-svn: 27156
 2006-03-27 01:32:24 +00:00
Jim Laskey
fb55c2c6a7 Bullet proof against undefined args produced by upgrading ols-style debug info. 
llvm-svn: 27155
 2006-03-26 22:46:27 +00:00
Chris Lattner
1e4694ed84 fix inverted conditional 
llvm-svn: 27089
 2006-03-24 22:49:42 +00:00
Jim Laskey
0d63725a26 Rename for truth in advertising. 
llvm-svn: 27063
 2006-03-24 09:50:27 +00:00
Chris Lattner
041588d953 Lower target intrinsics into an INTRINSIC node 
llvm-svn: 27035
 2006-03-24 02:22:33 +00:00
Jim Laskey
b0ebfecdbf Handle new forms of llvm.dbg intrinsics. 
llvm-svn: 26988
 2006-03-23 18:06:46 +00:00
Chris Lattner
2ef03f3a43 Fix a typo 
llvm-svn: 26965
 2006-03-22 22:20:49 +00:00
Chris Lattner
7eaf8fa583 Implement simple support for vector casting. This can currently only handle 
casts between legal vector types.

llvm-svn: 26961
 2006-03-22 20:09:35 +00:00
Chris Lattner
b90d9241c1 add some trivial support for extractelement. 
llvm-svn: 26928
 2006-03-21 20:44:12 +00:00
Chris Lattner
128089ae91 Add a hacky workaround for crashes due to vectors live across blocks. 
Note that this code won't work for vectors that aren't legal on the
target.  Improvements coming.

llvm-svn: 26925
 2006-03-21 19:20:37 +00:00
Chris Lattner
bf4033f63a implement basic support for INSERT_VECTOR_ELT. 
llvm-svn: 26849
 2006-03-19 01:17:20 +00:00
Chris Lattner
db243940bd Rename ConstantVec -> BUILD_VECTOR and VConstant -> VBUILD_VECTOR. Allow*BUILD_VECTOR to take variable inputs. 
llvm-svn: 26847
 2006-03-19 00:52:58 +00:00
Chris Lattner
855e3c878b implement vector.ll:test_undef 
llvm-svn: 26845
 2006-03-19 00:20:20 +00:00
Chris Lattner
35b6933508 Change the structure of lowering vector stuff. Note: This breaks some 
things.

llvm-svn: 26840
 2006-03-18 01:44:44 +00:00
Nate Begeman
42736d46b2 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.

llvm-svn: 26814
 2006-03-17 01:40:33 +00:00
Chris Lattner
7e80a5a16b Fix a problem fully scalarizing values. 
llvm-svn: 26811
 2006-03-16 23:05:19 +00:00
Chris Lattner
413bb13b27 Add support for CopyFromReg from vector values. Note: this doesn't support 
illegal vector types yet!

llvm-svn: 26799
 2006-03-16 19:57:50 +00:00
Chris Lattner
34f2e70f60 Teach CreateRegForValue how to handle vector types. 
llvm-svn: 26798
 2006-03-16 19:51:18 +00:00
Chris Lattner
95577cb3cd add support for vector->vector casts 
llvm-svn: 26788
 2006-03-15 22:19:46 +00:00
Jim Laskey
c741139c24 Handle the removal of the debug chain. 
llvm-svn: 26729
 2006-03-13 13:07:37 +00:00
Evan Cheng
57c206232d Added a parameter to control whether Constant::getStringValue() would chop 
off the result string at the first null terminator.

llvm-svn: 26704
 2006-03-10 23:52:03 +00:00
Chris Lattner
02e6c29ad2 scrape out bits of llvm-db 
llvm-svn: 26701
 2006-03-10 22:48:19 +00:00
Chris Lattner
2024573f47 Simplify the interface to the schedulers, to not pass the selected heuristicin. 
llvm-svn: 26692
 2006-03-10 07:49:12 +00:00
Chris Lattner
dc7268f6a3 remove dbg_declare, it's not used yet. 
llvm-svn: 26659
 2006-03-09 20:02:42 +00:00
Jim Laskey
a1ad999bba Get rid of the multiple copies of getStringValue. Now a Constant:: method. 
llvm-svn: 26616
 2006-03-08 18:11:07 +00:00
Chris Lattner
3f23d22d3f Change the interface for getting a target HazardRecognizer to be more clean. 
llvm-svn: 26608
 2006-03-08 04:25:59 +00:00