Dale Johannesen
544968d665
rewrite of constant islands
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llvm-svn: 34523
2007-02-23 05:02:36 +00:00
Evan Cheng
5d49a6be02
-march=arm -enable-thumb => -march=thumb
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llvm-svn: 34522
2007-02-23 03:15:39 +00:00
Evan Cheng
2d4b1cb0ca
Added -march=thumb; removed -enable-thumb.
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llvm-svn: 34521
2007-02-23 03:14:31 +00:00
Evan Cheng
3ddb5d1018
80 col. violation.
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llvm-svn: 34520
2007-02-23 03:03:16 +00:00
Anton Korobeynikov
b7350e191e
External weak linkage is supported by recent binutils on mingw32.
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llvm-svn: 34519
2007-02-23 01:58:50 +00:00
Reid Spencer
3573b012d3
1. Fix a carry out problem in add if destination and x point to the same
...
memory (as done in fromString).
2. Implement Knuth divide more closely to what is recommended in his book.
3. Fix computation of the remainder for Knuth Divide (bad shifting).
4. Remove some cruft from the file
llvm-svn: 34518
2007-02-23 01:57:13 +00:00
Evan Cheng
b8a95dcdbf
A spill kills the register being stored. But it is later being reused by spiller, its live range has to be extended.
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llvm-svn: 34517
2007-02-23 01:13:26 +00:00
Evan Cheng
92429f4cca
First potential client of register scavenger.
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llvm-svn: 34516
2007-02-23 01:11:26 +00:00
Evan Cheng
da51cf986a
By default, spills kills the register being stored.
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llvm-svn: 34515
2007-02-23 01:10:04 +00:00
Evan Cheng
bd3219f5bf
Add option to turn on register scavenger; By default, spills kills the register being stored.
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llvm-svn: 34514
2007-02-23 01:09:11 +00:00
Evan Cheng
df6be7d4fc
Temporay hook to enable register scavening for specific targets only.
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llvm-svn: 34513
2007-02-23 01:07:04 +00:00
Evan Cheng
387f1c2bdf
Use findRegisterUseOperand to find a kill of particular register.
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llvm-svn: 34512
2007-02-23 01:04:26 +00:00
Evan Cheng
f9ef2bfd8a
Initial check in of register scavenger. Its only current functionality is tracking live registers per MBB.
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llvm-svn: 34511
2007-02-23 01:01:19 +00:00
Devang Patel
46cad14ab8
Teach LoopPass to assign itself one Loop Pass Manager.
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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
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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
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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.
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llvm-svn: 34507
2007-02-22 23:52:23 +00:00
Chris Lattner
f8d7232532
remove obsolete file
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llvm-svn: 34506
2007-02-22 23:48:43 +00:00
Devang Patel
d7448faaed
Populate and walk loop queue.
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llvm-svn: 34505
2007-02-22 23:45:15 +00:00
Devang Patel
b170ebf833
Add LoopQueue. This is used by loop pass manager to manage loop nest.
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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.
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llvm-svn: 34503
2007-02-22 23:03:39 +00:00
Jim Laskey
322a2e8899
Update comment.
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llvm-svn: 34502
2007-02-22 18:51:19 +00:00
Jim Laskey
1dd7563e22
Missing end of abbreviations - correction
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llvm-svn: 34501
2007-02-22 18:48:52 +00:00
Jim Laskey
e177fd58b3
Missing end of abbreviations.
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llvm-svn: 34500
2007-02-22 18:22:42 +00:00
Jim Laskey
f29366635a
Need to init.
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llvm-svn: 34499
2007-02-22 18:04:49 +00:00
Jim Laskey
d16ed8329e
Typo.
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llvm-svn: 34498
2007-02-22 16:40:10 +00:00
Jim Laskey
8c79f0f892
Remove isAccessable.
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llvm-svn: 34497
2007-02-22 16:39:03 +00:00
Jim Laskey
25993e18e6
Use exception flag.
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llvm-svn: 34496
2007-02-22 16:22:15 +00:00
Jim Laskey
8ddfb7141b
Revert changes for a simplier solution.
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llvm-svn: 34495
2007-02-22 16:21:18 +00:00
Jim Laskey
4990356454
Remove assertion.
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llvm-svn: 34494
2007-02-22 16:12:17 +00:00
Jim Laskey
f6f24530c0
Tighten up error checking of args.
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llvm-svn: 34493
2007-02-22 16:10:05 +00:00
Jim Laskey
dccc6d3a82
Handle lowering invoke to call correctly.
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llvm-svn: 34492
2007-02-22 15:38:06 +00:00
Jim Laskey
655bea55fe
Simplify lowering and selection of exception ops.
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llvm-svn: 34491
2007-02-22 15:37:19 +00:00
Andrew Lenharth
72869dad9c
missed cast elimination
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llvm-svn: 34490
2007-02-22 15:17:45 +00:00
Jim Laskey
b57ee1fc37
Simplify lowering and selection of exception ops.
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llvm-svn: 34488
2007-02-22 14:56:36 +00:00
Devang Patel
aabb87cffe
Add Loop Pass Manager.
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llvm-svn: 34487
2007-02-22 08:56:17 +00:00
Chris Lattner
0dd2c9452c
clarify llvm-gcc GPL issue
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llvm-svn: 34486
2007-02-22 06:33:23 +00:00
Reid Spencer
cbff120eeb
When converting from 64 to 32-bits, use the actual number of words to
...
extract the value, not the number of words implied by the active bits.
This fixes numerous, but not all divide bugs.
llvm-svn: 34484
2007-02-22 00:58:45 +00:00
Reid Spencer
d51b03d452
Fix countLeadingZeros in the case that the bitwidth evenly divides the
...
word size. This fixes all reads of uninitialized data (buffer over read)
and makes APInt.cpp memory clean, per valgrind. The only remaining
problem is division in a few cases.
llvm-svn: 34483
2007-02-22 00:22:00 +00:00
Jim Laskey
6a937ad320
Support to provide exception and selector registers.
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llvm-svn: 34482
2007-02-21 22:54:50 +00:00
Jim Laskey
58eaac9160
Selection and lowering for exception handling.
...
llvm-svn: 34481
2007-02-21 22:53:45 +00:00
Jim Laskey
2bbd4312c0
Itanium ABI exception handing support.
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llvm-svn: 34480
2007-02-21 22:49:50 +00:00
Jim Laskey
a5ee0bbf17
Exception handling support.
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llvm-svn: 34479
2007-02-21 22:48:45 +00:00
Jim Laskey
bce43df323
Add support for changes in DwarfWriter.
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llvm-svn: 34478
2007-02-21 22:47:38 +00:00
Jim Laskey
d1e09aa74a
Add TAI field for exception table section.
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llvm-svn: 34477
2007-02-21 22:43:40 +00:00
Jim Laskey
b56b6a7042
Make branch folding behave in the presence of landing pads.
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llvm-svn: 34476
2007-02-21 22:42:20 +00:00
Jim Laskey
1ac1a19f01
Allow for live in registers for eh landing pads.
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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.
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llvm-svn: 34474
2007-02-21 22:39:52 +00:00
Jim Laskey
534bc5a9a3
Add structures used for collecting eh information.
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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.
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llvm-svn: 34472
2007-02-21 22:37:22 +00:00
