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481 Commits

Author SHA1 Message Date
Chris Lattner
784fe9dbbb improve EH global handling, patch by Duncan Sands. 
llvm-svn: 36499
 2007-04-27 01:20:11 +00:00
Chris Lattner
8131ab7c0f enable Anton's shift/and switch lowering stuff! It now passes ppc bootstrap 
successfully! woohoo...

llvm-svn: 36496
 2007-04-26 21:09:43 +00:00
Anton Korobeynikov
d7ae7f1659 Fixx off-by-one bug, which prevents llvm-gcc bootstrap on ppc32 
llvm-svn: 36490
 2007-04-26 20:44:04 +00:00
Evan Cheng
15f269afa3 This was lefted out. Fixed sumarray-dbl. 
llvm-svn: 36445
 2007-04-25 18:33:21 +00:00
Chris Lattner
cb0ed0cfbd allow support for 64-bit stack objects 
llvm-svn: 36420
 2007-04-25 04:08:28 +00:00
Bill Wendling
47917b697f Assertion when using a 1-element vector for an add operation. Get the 
real vector type in this case.

llvm-svn: 36402
 2007-04-24 21:13:23 +00:00
Scott Michel
4cfa616cee Use '-1U' where '-1UL' is obvious overkill, eliminating gcc warnings about 
tests always being true in the process.

llvm-svn: 36387
 2007-04-24 01:24:20 +00:00
Christopher Lamb
8af6d5896f PR400 phase 2. Propagate attributed load/store information through DAGs. 
llvm-svn: 36356
 2007-04-22 23:15:30 +00:00
Reid Spencer
0c1349e6bc Revert Christopher Lamb's load/store alignment changes. 
llvm-svn: 36309
 2007-04-21 18:36:27 +00:00
Christopher Lamb
bff50208c8 add support for alignment attributes on load/store instructions 
llvm-svn: 36301
 2007-04-21 08:16:25 +00:00
Chris Lattner
6bd7b7b30b disable switch lowering using shift/and. It still breaks ppc bootstrap for 
some reason.  :(  Will investigate.

llvm-svn: 36011
 2007-04-14 19:39:41 +00:00
Anton Korobeynikov
8a1a84f96e Fix PR1325: Case range optimization was performed in the case it 
shouldn't. Also fix some "latent" bug on 64-bit platforms

llvm-svn: 35990
 2007-04-14 13:25:55 +00:00
Chris Lattner
7196f09edc disable shift/and lowering to work around PR1325 for now. 
llvm-svn: 35985
 2007-04-14 02:26:56 +00:00
Anton Korobeynikov
e288040abf Fix PR1323 : we haven't updated phi nodes in good manner :) 
llvm-svn: 35963
 2007-04-13 06:53:51 +00:00
Chris Lattner
5111499136 the result of an inline asm copy can be an arbitrary VT that the register 
class supports.  In the case of vectors, this means we often get the wrong
type (e.g. we get v4f32 instead of v8i16).  Make sure to convert the vector
result to the right type.  This fixes CodeGen/X86/2007-04-11-InlineAsmVectorResult.ll

llvm-svn: 35944
 2007-04-12 06:00:20 +00:00
Reid Spencer
c6251a7dfd For PR1284: 
Implement the "part_set" intrinsic.

llvm-svn: 35938
 2007-04-12 02:48:46 +00:00
Reid Spencer
a472f66dd0 For PR1146: 
Put the parameter attributes in their own ParamAttr name space. Adjust the
rest of llvm as a result.

llvm-svn: 35877
 2007-04-11 02:44:20 +00:00
Chris Lattner
f269d84ca0 apparently some people commit without building the tree, or they forget to 
commit a LOT of files.

llvm-svn: 35858
 2007-04-10 03:20:39 +00:00
Jeff Cohen
e0bbbd3774 No longer needed. 
llvm-svn: 35850
 2007-04-09 23:42:32 +00:00
Anton Korobeynikov
da964a2852 Use integer log for metric calculation 
llvm-svn: 35834
 2007-04-09 21:57:03 +00:00
Jeff Cohen
0475f3b4e9 Unbreak VC++ build. 
llvm-svn: 35817
 2007-04-09 14:32:59 +00:00
Anton Korobeynikov
506eaf7915 Next stage into switch lowering refactoring 
1. Fix some bugs in the jump table lowering threshold
2. Implement much better metric for optimal pivot selection
3. Tune thresholds for different lowering methods
4. Implement shift-and trick for lowering small (<machine word
length) cases with few destinations. Good testcase will follow.

llvm-svn: 35816
 2007-04-09 12:31:58 +00:00
Reid Spencer
71b79e3d99 For PR1146: 
Adapt handling of parameter attributes to use the new ParamAttrsList class.

llvm-svn: 35814
 2007-04-09 06:17:21 +00:00
Chris Lattner
7b2decfa0a implement CodeGen/X86/inline-asm-x-scalar.ll:test3 
llvm-svn: 35802
 2007-04-09 05:31:20 +00:00
Chris Lattner
b49917da92 Fix PR1316 
llvm-svn: 35783
 2007-04-09 00:33:58 +00:00
Chris Lattner
e55ecfb870 Fix for CodeGen/X86/2007-04-08-InlineAsmCrash.ll and PR1314 
llvm-svn: 35779
 2007-04-08 22:23:26 +00:00
Chris Lattner
1c741e95d3 minor comment fix 
llvm-svn: 35696
 2007-04-06 17:47:14 +00:00
Reid Spencer
85460acfbf Change the bit_part_select (non)implementation from "return 0" to abort. 
llvm-svn: 35679
 2007-04-05 01:20:18 +00:00
Reid Spencer
cce90f55ed Implement the llvm.bit.part_select.iN.iN.iN overloaded intrinsic. 
llvm-svn: 35678
 2007-04-04 23:48:25 +00:00
Anton Korobeynikov
915e61736b Properly emit range comparisons for switch cases, where neighbour cases 
go to the same destination. Now we're producing really good code for
switch-lower-feature.ll testcase

llvm-svn: 35672
 2007-04-04 21:14:49 +00:00
Reid Spencer
3a0843e734 For PR1297: 
Adjust for changes in the bit counting intrinsics. They all return i32
now so we have to trunc/zext the DAG node accordingly.

llvm-svn: 35546
 2007-04-01 07:34:11 +00:00
Chris Lattner
f6a6d3c8b0 move a bunch of code out of the sdisel pass into its own opt pass "codegenprepare". 
llvm-svn: 35529
 2007-03-31 04:18:03 +00:00
Evan Cheng
4388043b25 Scale 1 is always ok. 
llvm-svn: 35407
 2007-03-28 01:55:52 +00:00
Evan Cheng
07c42d43a2 GEP index sinking fixes: 
1) Take address scale into consideration. e.g. i32* -> scale 4.
2) Examine all the users of GEP.
3) Generalize to inter-block GEP's (no longer uses loopinfo).
4) Don't do xform if GEP has other variable index(es).

llvm-svn: 35403
 2007-03-28 01:49:39 +00:00
Anton Korobeynikov
37a0bfe128 Remove dead code 
llvm-svn: 35380
 2007-03-27 12:05:48 +00:00
Anton Korobeynikov
3a9d68181a Split big monster into small helpers. No functionality change. 
llvm-svn: 35379
 2007-03-27 11:29:11 +00:00
Evan Cheng
c42406b5ad SDISel does not preserve all, it changes CFG and other info. 
llvm-svn: 35376
 2007-03-27 00:53:36 +00:00
Anton Korobeynikov
7037826c86 First step of switch lowering refactoring: perform worklist-driven 
strategy, emit JT's where possible.

llvm-svn: 35338
 2007-03-25 15:07:15 +00:00
Chris Lattner
77f0479833 Implement support for vector operands to inline asm, implementing 
CodeGen/X86/2007-03-24-InlineAsmVectorOp.ll

llvm-svn: 35332
 2007-03-25 05:00:54 +00:00
Chris Lattner
d685514e2e switch TargetLowering::getConstraintType to take the entire constraint, 
not just the first letter.  No functionality change.

llvm-svn: 35322
 2007-03-25 02:14:49 +00:00
Dan Gohman
dcb291faa4 Change uses of Function::front to Function::getEntryBlock for readability. 
llvm-svn: 35265
 2007-03-22 16:38:57 +00:00
Evan Cheng
550cf0369c Minor bug. 
llvm-svn: 35219
 2007-03-20 19:32:11 +00:00
Evan Cheng
a2465dfc07 Use SmallSet instead of std::set. 
llvm-svn: 35133
 2007-03-17 08:53:30 +00:00
Evan Cheng
be22235790 If sdisel has decided to sink GEP index expression into any BB. Replace all uses 
in that BB.

llvm-svn: 35132
 2007-03-17 08:22:49 +00:00
Evan Cheng
c5bc763f50 Turn on GEP index sinking by default. 
llvm-svn: 35127
 2007-03-16 18:32:30 +00:00
Evan Cheng
0a9d0cabaf Stupid bug. 
llvm-svn: 35126
 2007-03-16 17:50:20 +00:00
Evan Cheng
009ea54262 Sink a binary expression into its use blocks if it is a loop invariant 
computation used as GEP indexes and if the expression can be folded into
target addressing mode of GEP load / store use types.

llvm-svn: 35123
 2007-03-16 08:46:27 +00:00
Chris Lattner
ce8aba03ee implement support for floating point constants used as inline asm memory operands. 
llvm-svn: 35033
 2007-03-08 22:29:47 +00:00
Chris Lattner
b7bc3f2d30 make this fail even in non-assert builds. 
llvm-svn: 35025
 2007-03-08 07:07:03 +00:00
Anton Korobeynikov
ed4b303c10 Refactoring of formal parameter flags. Enable properly use of 
zext/sext/aext stuff.

llvm-svn: 35008
 2007-03-07 16:25:09 +00:00