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4875 Commits

Author SHA1 Message Date
Devang Patel
46cad14ab8 Teach LoopPass to assign itself one Loop Pass Manager. 
llvm-svn: 34510
 2007-02-23 00:36:57 +00:00
Devang Patel
9a7b18fa3d Add facility that allows LoopPass to re-insert a loop into 
Loop Pass Manager's queue.

llvm-svn: 34509
 2007-02-23 00:16:44 +00:00
Devang Patel
bbfd00e658 Add LPPassManager interface that LoopPass can use to skip 
rest of the passes in the queue for a loop.

llvm-svn: 34508
 2007-02-23 00:10:16 +00:00
Evan Cheng
6b25288ab7 Copy and paste silliness. 
llvm-svn: 34507
 2007-02-22 23:52:23 +00:00
Devang Patel
b170ebf833 Add LoopQueue. This is used by loop pass manager to manage loop nest. 
llvm-svn: 34504
 2007-02-22 23:30:07 +00:00
Evan Cheng
68e7fe47f6 Remove unnecessary isKill properties if a live range has been lengthened due to coalescing. 
llvm-svn: 34503
 2007-02-22 23:03:39 +00:00
Jim Laskey
d16ed8329e Typo. 
llvm-svn: 34498
 2007-02-22 16:40:10 +00:00
Jim Laskey
8c79f0f892 Remove isAccessable. 
llvm-svn: 34497
 2007-02-22 16:39:03 +00:00
Jim Laskey
655bea55fe Simplify lowering and selection of exception ops. 
llvm-svn: 34491
 2007-02-22 15:37:19 +00:00
Jim Laskey
b57ee1fc37 Simplify lowering and selection of exception ops. 
llvm-svn: 34488
 2007-02-22 14:56:36 +00:00
Devang Patel
aabb87cffe Add Loop Pass Manager. 
llvm-svn: 34487
 2007-02-22 08:56:17 +00:00
Jim Laskey
6a937ad320 Support to provide exception and selector registers. 
llvm-svn: 34482
 2007-02-21 22:54:50 +00:00
Jim Laskey
bce43df323 Add support for changes in DwarfWriter. 
llvm-svn: 34478
 2007-02-21 22:47:38 +00:00
Jim Laskey
d1e09aa74a Add TAI field for exception table section. 
llvm-svn: 34477
 2007-02-21 22:43:40 +00:00
Jim Laskey
1ac1a19f01 Allow for live in registers for eh landing pads. 
llvm-svn: 34475
 2007-02-21 22:41:17 +00:00
Jim Laskey
8fdff03f2b Add a flag to MBBs to indicate whether it is an eh landing pad. 
llvm-svn: 34474
 2007-02-21 22:39:52 +00:00
Jim Laskey
534bc5a9a3 Add structures used for collecting eh information. 
llvm-svn: 34473
 2007-02-21 22:38:31 +00:00
Jim Laskey
013a72ffd4 Add new instructions for handling data passed into eh landing pad. 
llvm-svn: 34472
 2007-02-21 22:37:22 +00:00
Jim Laskey
c13cc1eac7 Add new intrinsics for eh support. 
llvm-svn: 34471
 2007-02-21 22:35:57 +00:00
Devang Patel
ee1da8a703 Simplify 
llvm-svn: 34469
 2007-02-21 19:57:33 +00:00
Reid Spencer
807eadb51a Add a dump() method for debugging. 
llvm-svn: 34464
 2007-02-21 03:56:12 +00:00
Devang Patel
96f62d7c95 Fix memory leak (PR 775). 
llvm-svn: 34462
 2007-02-21 02:36:31 +00:00
Reid Spencer
2e50b9ed5b Add an internal convenience method for division that urem and udiv use. 
llvm-svn: 34448
 2007-02-20 08:43:42 +00:00
Chris Lattner
b6ddd260ec eliminate some dead friends. 
llvm-svn: 34447
 2007-02-20 07:18:01 +00:00
Chris Lattner
37a49eb48d cleanup ConstantInt to use a single DenseMap for uniquing instead of the 
heavy-weight ValueMap class.  This reduces mem usage bc reading kc++ by 29K,
even though it only creates 2955 constant ints!

llvm-svn: 34445
 2007-02-20 06:39:57 +00:00
Chris Lattner
adb16a1a53 Make ConstantInt::getTrue/getFalse be llvm_shutdown safe. 
llvm-svn: 34443
 2007-02-20 06:11:36 +00:00
Chris Lattner
08e1470365 add a way to register an arbitrary cleanup function. 
llvm-svn: 34442
 2007-02-20 06:08:37 +00:00
Chris Lattner
c8db23f8a7 Clean up the internals of the ConstantInt machinery 
llvm-svn: 34441
 2007-02-20 05:55:46 +00:00
Chris Lattner
388222d25e remove some dead passes and stuff specific to the reoptimizer. 
llvm-svn: 34438
 2007-02-20 05:31:35 +00:00
Chris Lattner
71ced5505c remove some passes 
llvm-svn: 34437
 2007-02-20 05:31:04 +00:00
Reid Spencer
78e1ec0122 Implement support for non-standard integer bit widths of any size. The 
rules alignment is to pick the alignment that corresponds to the smallest
specified alignment that is larger than the bit width of the type or the
largest specified integer alignment if none are larger than the bitwidth
of the type. For the byte size, the size returned is the next larger
multiple of the alignment for that type (using the above rule). This patch
also changes bit widths from "short" to "uint32_t" to ensure there are
enough bits to specify any bit width that LLVM can handle (currently 2^23);
16-bits isn't enough.

llvm-svn: 34431
 2007-02-19 22:35:00 +00:00
Evan Cheng
e4ab9c032b Re-apply my liveintervalanalysis changes. Now with PR1207 fixes. 
llvm-svn: 34428
 2007-02-19 21:49:54 +00:00
Chris Lattner
f501d245c8 llvm-gcc issue fixed, revert reversal :) 
llvm-svn: 34425
 2007-02-19 20:01:23 +00:00
Evan Cheng
936deee790 Temporarily reverting the patch. It's breaking llvm-gcc build. 
llvm-svn: 34423
 2007-02-19 19:23:41 +00:00
Chris Lattner
865b2f741a remove dead methods 
llvm-svn: 34419
 2007-02-19 07:44:24 +00:00
Chris Lattner
35a14c07e4 add alternate version of constant ctors that don't take a vector. For now 
this offers no performance advantage.

llvm-svn: 34415
 2007-02-19 07:23:24 +00:00
Reid Spencer
b27fcf3482 For PR1207: 
Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.

llvm-svn: 34399
 2007-02-19 03:20:00 +00:00
Reid Spencer
6eb099875c Add some new constants. 
llvm-svn: 34398
 2007-02-19 03:18:22 +00:00
Reid Spencer
79d2fad9f5 1. "unsigned" -> "uint32_t" to gaurantee its bit width on all platforms. 
Size matters in this case.
2. Remove the unused whichByte private function, which was also broken.
3. Remove the non-const overload of the getWord function, getWord() is
   never used as an lvalue.
4. Rename some local variables for clarity (e.g. API -> Result).

llvm-svn: 34390
 2007-02-18 18:42:35 +00:00
Reid Spencer
62b55a934b Implement signed output for toString. 
Fix bugs in countLeadingZeros and countTrailingZeros.

llvm-svn: 34386
 2007-02-18 00:44:22 +00:00
Chris Lattner
dee1492159 temporarily revert Devang's most recent patch, which caused a large 
compile-time regression in LLC.

llvm-svn: 34385
 2007-02-17 23:14:24 +00:00
Evan Cheng
8ac045a4b2 - Changes how function livein's are handled, they now have a start index of 0. 
- When coalescing a copy MI, if its destination is "dead", propagate the
  property to the source MI's destination if there are no intervening uses.
- Detect dead function live-in's and remove them.

llvm-svn: 34383
 2007-02-17 11:15:40 +00:00
Evan Cheng
35f59a6dd2 Added findRegisterDefOperand(). 
llvm-svn: 34380
 2007-02-17 11:10:18 +00:00
Evan Cheng
2db4db48ed Added removeLiveIn and more livein iterators. 
llvm-svn: 34378
 2007-02-17 11:07:41 +00:00
Evan Cheng
ad05c398b1 Allow LiveVariables to track liveness of more registers. 
llvm-svn: 34377
 2007-02-17 11:07:08 +00:00
Evan Cheng
8f7896bacc - Added regsOverlap() to test if two registers overlap. Or in case they are 
virtual registers, test if they the same.
- Added a virtual method to return target specific reserved registers, e.g. SP.

llvm-svn: 34375
 2007-02-17 11:04:35 +00:00
Devang Patel
953cadacbc Use inverted map to speedup collectLastUses(). 
llvm-svn: 34364
 2007-02-17 03:53:44 +00:00
Chris Lattner
14496ddfd4 Do not dereference invalid ranges. Generalize targetdata alignment model. 
This fixes the UnitTests/Vector/sumarray-dbl regressions.

llvm-svn: 34358
 2007-02-17 00:41:42 +00:00
Reid Spencer
9c5efbcef2 Fix bugs introduced by constructor parameter order change. 
llvm-svn: 34357
 2007-02-17 00:18:01 +00:00
Reid Spencer
d22266f456 Review changes: 
1. Function style changes.
2. 80-col violations.
3. Better names for things.
4. Arrange constructors so they all take bit width first.
5. Add named signed and unsigned comparison functions and remove the
   corresponding operators.
6. Remove operator&& and operator|| but provide a getBoolValue function which
   converts to bool as comparison against 0. This allows the normal && and
   || operators to be used as if (X.getBoolValue() && Y.getBoolValue())

Note: this still doesn't function 100% yet. I'm working on the bugs now.
llvm-svn: 34353
 2007-02-16 22:36:51 +00:00