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1001 Commits

Author SHA1 Message Date
Reid Spencer
4a28a16efb 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
f01b0a800b 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
13cc34e91b Scale 1 is always ok. 
llvm-svn: 35407
 2007-03-28 01:55:52 +00:00
Evan Cheng
6056fd729d 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
64622a0ddf Remove dead code 
llvm-svn: 35380
 2007-03-27 12:05:48 +00:00
Anton Korobeynikov
b58a93156f Split big monster into small helpers. No functionality change. 
llvm-svn: 35379
 2007-03-27 11:29:11 +00:00
Evan Cheng
7218d782fe SDISel does not preserve all, it changes CFG and other info. 
llvm-svn: 35376
 2007-03-27 00:53:36 +00:00
Anton Korobeynikov
6f78c59650 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
6f17a615cb 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
b19069959d 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
d0a0ea9916 Change uses of Function::front to Function::getEntryBlock for readability. 
llvm-svn: 35265
 2007-03-22 16:38:57 +00:00
Evan Cheng
fe301e0f29 Minor bug. 
llvm-svn: 35219
 2007-03-20 19:32:11 +00:00
Evan Cheng
65d69fe08d Use SmallSet instead of std::set. 
llvm-svn: 35133
 2007-03-17 08:53:30 +00:00
Evan Cheng
8552300ab1 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
77099bef05 Turn on GEP index sinking by default. 
llvm-svn: 35127
 2007-03-16 18:32:30 +00:00
Evan Cheng
449900b988 Stupid bug. 
llvm-svn: 35126
 2007-03-16 17:50:20 +00:00
Evan Cheng
c3e7d4b884 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
dfe5b3bd1d 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
7e516796f6 make this fail even in non-assert builds. 
llvm-svn: 35025
 2007-03-08 07:07:03 +00:00
Anton Korobeynikov
85d6c1ebad Refactoring of formal parameter flags. Enable properly use of 
zext/sext/aext stuff.

llvm-svn: 35008
 2007-03-07 16:25:09 +00:00
Anton Korobeynikov
4558f01db9 Enumerate SDISel formal parameter attributes. Make use of new 
enumeration.

llvm-svn: 34960
 2007-03-06 06:10:33 +00:00
Jeff Cohen
98c99a3a02 Unbreak VC++ build. 
llvm-svn: 34917
 2007-03-05 00:00:42 +00:00
Jim Laskey
5f932644e9 Lower eh filter intrinsic. 
llvm-svn: 34802
 2007-03-01 20:24:30 +00:00
Jim Laskey
83d6baee5b MERGE_VALUES unnecessary. 
llvm-svn: 34750
 2007-02-28 18:37:04 +00:00
Chris Lattner
38db1ad2ab track signedness of formal argument, though we have a fixme here. 
llvm-svn: 34620
 2007-02-26 02:56:58 +00:00
Jim Laskey
c2e9ceb475 Fix for PR1224. 
llvm-svn: 34610
 2007-02-25 21:43:59 +00:00
Chris Lattner
a9c561b9e6 optimize duplicate ValueMap lookups 
llvm-svn: 34599
 2007-02-25 18:40:32 +00:00
Jim Laskey
53e71a9657 Deal with cases when MMI is not requested. 
llvm-svn: 34556
 2007-02-24 09:45:44 +00:00
Jim Laskey
dda4a7577f Handle improper cast. 
llvm-svn: 34535
 2007-02-23 21:45:01 +00:00
Jim Laskey
f6f24530c0 Tighten up error checking of args. 
llvm-svn: 34493
 2007-02-22 16:10:05 +00:00
Jim Laskey
dccc6d3a82 Handle lowering invoke to call correctly. 
llvm-svn: 34492
 2007-02-22 15:38:06 +00:00
Jim Laskey
58eaac9160 Selection and lowering for exception handling. 
llvm-svn: 34481
 2007-02-21 22:53:45 +00:00
Reid Spencer
e7ff3305d6 For PR1195: 
Change use of "packed" term to "vector" in comments, strings, variable
names, etc.

llvm-svn: 34300
 2007-02-15 03:39:18 +00:00
Reid Spencer
55e4e98a2a For PR1195: 
Rename PackedType -> VectorType, ConstantPacked -> ConstantVector, and
PackedTyID -> VectorTyID. No functional changes.

llvm-svn: 34293
 2007-02-15 02:26:10 +00:00
Chris Lattner
f9ef252d00 fix a warning 
llvm-svn: 34272
 2007-02-14 07:34:56 +00:00
Chris Lattner
0c973a02d9 Refix CodeGen/Generic/switch-lower.ll. In contrast to my previous patch, 
this doesn't miscompile lots of programs :)

llvm-svn: 34268
 2007-02-14 07:18:16 +00:00
Chris Lattner
5cece73ec8 Generalize TargetData strings, to support more interesting forms of data. 
Patch by Scott Michel.

llvm-svn: 34266
 2007-02-14 05:52:17 +00:00
Chris Lattner
656f6a6fdd revert my previous switch lowering change, which miscompiles a few programs. 
This will break a dj test until I have time to investigate.

llvm-svn: 34247
 2007-02-13 20:09:07 +00:00
Lauro Ramos Venancio
7465000f94 Add a space between // and the comment. 
llvm-svn: 34244
 2007-02-13 18:10:13 +00:00
Lauro Ramos Venancio
4aecadf112 Add "original alignment" to function arguments flags. 
llvm-svn: 34240
 2007-02-13 13:50:08 +00:00
Chris Lattner
9ea0b706d9 Fix switch lowering to order cases in zext order, which is how we emit the 
comparisons.  This fixes an infinite loop on CodeGen/Generic/switch-lower.ll
and PR1197

llvm-svn: 34216
 2007-02-13 01:05:56 +00:00
Chris Lattner
9dafd9fe90 Privatize StructLayout::MemberOffsets, adding an accessor 
llvm-svn: 34156
 2007-02-10 19:55:17 +00:00
Evan Cheng
a86214b294 Add function live-ins to entry block live-in set. 
llvm-svn: 34112
 2007-02-10 02:43:39 +00:00
Evan Cheng
14f837357e Rename some variables to avoid confusion with SelectionDAGISel::BB. 
llvm-svn: 34110
 2007-02-10 01:08:18 +00:00
Chris Lattner
1d3dd991ca Switch VAlueMap from std::map to DenseMap. 
llvm-svn: 33863
 2007-02-04 01:35:11 +00:00
Chris Lattner
e5eccb6d76 Switch NodeMap from std::map to DenseMap, this speeds up isel by 2.3% 
llvm-svn: 33862
 2007-02-04 01:31:47 +00:00
Reid Spencer
591bfa1e0b Changes to support making the shift instructions be true BinaryOperators. 
This feature is needed in order to support shifts of more than 255 bits
on large integer types.  This changes the syntax for llvm assembly to
make shl, ashr and lshr instructions look like a binary operator:
   shl i32 %X, 1
instead of
   shl i32 %X, i8 1
Additionally, this should help a few passes perform additional optimizations.

llvm-svn: 33776
 2007-02-02 02:16:23 +00:00
Chris Lattner
36dbbd2550 Fit in 80 columns 
llvm-svn: 33745
 2007-02-01 04:55:59 +00:00
Chris Lattner
18483c395e Emit a better assertion message for PR1133 
llvm-svn: 33736
 2007-02-01 01:21:12 +00:00
Reid Spencer
19af04a142 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00