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26558 Commits

Author SHA1 Message Date
Chris Lattner cfb2c32724 add a note 
llvm-svn: 30271
 2006-09-12 06:36:01 +00:00
Nick Lewycky a3e70372c9 Add ability to remove nodes from DominatorTree, for when a BasicBlock 
is being removed.

llvm-svn: 30270
 2006-09-12 00:18:28 +00:00
Chris Lattner 8b4de218d9 Testcase noticed from PR906 
llvm-svn: 30269
 2006-09-11 23:00:56 +00:00
Chris Lattner 6e7286f72a add compilable testcase 
llvm-svn: 30268
 2006-09-11 22:57:51 +00:00
Chris Lattner 3592523342 new testcase for PR906 
llvm-svn: 30267
 2006-09-11 22:48:23 +00:00
Chris Lattner d28627009a Fix PR905 and InstCombine/2006-09-11-EmptyStructCrash.ll 
llvm-svn: 30266
 2006-09-11 21:43:16 +00:00
Chris Lattner 3faf86e4f4 new testcase for PR905 
llvm-svn: 30265
 2006-09-11 21:41:56 +00:00
Rafael Espindola c7829d62c0 implement SRL and MUL 
llvm-svn: 30262
 2006-09-11 19:24:19 +00:00
Rafael Espindola bccf9c2f1b add the correct fallback for ARMDAGToDAGISel::SelectAddrMode1 
llvm-svn: 30261
 2006-09-11 19:23:32 +00:00
Chris Lattner f37b4ee4c2 burg is gone 
llvm-svn: 30253
 2006-09-11 17:28:11 +00:00
Rafael Espindola e45a79a9e2 partial implementation of the ARM Addressing Mode 1 
llvm-svn: 30252
 2006-09-11 17:25:40 +00:00
Nick Lewycky e94f42a740 Skip the linear search if the answer is already known. 
llvm-svn: 30251
 2006-09-11 17:23:34 +00:00
Jim Laskey 5c3bdbad9b No longer used, and confuses maintainers 
llvm-svn: 30248
 2006-09-11 16:02:58 +00:00
John Criswell d894443780 Include the UIUC CS department attribution on the main doxygen page. 
llvm-svn: 30247
 2006-09-11 14:52:26 +00:00
Rafael Espindola ecb0d686f8 call AsmPrinter::doInitialization in ARMAsmPrinter::doInitialization 
llvm-svn: 30246
 2006-09-11 12:49:38 +00:00
Evan Cheng 21a75acc3e Updates. 
llvm-svn: 30245
 2006-09-11 05:35:17 +00:00
Evan Cheng 9e77d9a96b Update README file. 
llvm-svn: 30244
 2006-09-11 05:25:15 +00:00
Evan Cheng e9d1a2fcae Rename a test-not-cmp.ll to cmp-test.ll; add a test. 
llvm-svn: 30243
 2006-09-11 02:33:29 +00:00
Evan Cheng 1ec61ba00a 1) With X86 lowering change, the following can no longer happen since 
the branch's chain is also produced by cmp.
          [ch, r : ld]
             ^ ^
             | |
      [XX]--/   \- [flag : cmp]
       ^             ^
       |             |
       \---[br flag]-

Remove an isel check which prevents loads from being folded into cmp / test
instructions.

2) Whenever possible, delete a selected node to allow more load folding
opportunities. Note not all nodes can be deleted after it has been
selected. Some may have simply morphed; some have not changed at all (e.g.
EntryToken).

llvm-svn: 30242
 2006-09-11 02:24:43 +00:00
Evan Cheng 4259a0f654 X86ISD::CMP now produces a chain as well as a flag. Make that the chain 
operand of a conditional branch to allow load folding into CMP / TEST
instructions.

llvm-svn: 30241
 2006-09-11 02:19:56 +00:00
Nate Begeman a0d95a8da9 Behold, more work on relocations. Things are looking pretty good now. 
llvm-svn: 30240
 2006-09-10 23:03:44 +00:00
Anton Korobeynikov fbee8bfe48 Removed unnecessary Mangler creation. 
llvm-svn: 30239
 2006-09-10 21:17:03 +00:00
Chris Lattner 33ce390fce add a testcase for this commit: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20050606/026673.html 
llvm-svn: 30238
 2006-09-10 18:52:25 +00:00
Chris Lattner d1f8e07808 Allow tail duplication in more cases, relaxing the previous restriction a 
bit.  This fixes Regression/Transforms/TailDup/MergeTest.ll

llvm-svn: 30237
 2006-09-10 18:17:58 +00:00
Chris Lattner 2e0dfb0b16 This code was trying too hard. By eliminating redundant edges in the CFG 
due to switch cases going to the same place, it make #pred != #phi entries,
breaking live interval analysis.

This fixes 458.sjeng on x86 with llc.

llvm-svn: 30236
 2006-09-10 06:36:57 +00:00
Nick Lewycky 9a22d7b60f Replace EquivalenceClasses with a custom-built data structure. Many common 
operations (like findProperties) should be faster, at the expense of
unionSets being slower in cases that are rare in practise.

Don't erase a dead Instruction. This fixes a memory corruption issue.

llvm-svn: 30235
 2006-09-10 02:27:07 +00:00
Chris Lattner 0468987592 Implement Transforms/InstCombine/hoist_instr.ll 
llvm-svn: 30234
 2006-09-09 22:02:56 +00:00
Chris Lattner 0d38df3e87 new testcase 
llvm-svn: 30233
 2006-09-09 22:02:25 +00:00
Chris Lattner 70b9f5bd1e Move ipsccp pass earlier to clean up obvious bogosities 
llvm-svn: 30232
 2006-09-09 21:30:13 +00:00
Chris Lattner 27ff96d87a Make inlining costs more accurate. 
llvm-svn: 30231
 2006-09-09 20:40:44 +00:00
Chris Lattner d79dc79831 Turn div X, (Cond ? Y : 0) -> div X, Y 
This implements select.ll::test18.

llvm-svn: 30230
 2006-09-09 20:26:32 +00:00
Chris Lattner b6118b0ad6 new testcase 
llvm-svn: 30229
 2006-09-09 20:26:04 +00:00
Jim Laskey ea05a06a49 Missing anchor 
llvm-svn: 30227
 2006-09-09 09:10:37 +00:00
Chris Lattner fdb3a75942 Add cbe support for powi 
llvm-svn: 30226
 2006-09-09 06:17:12 +00:00
Chris Lattner f0359b343a Implement the fpowi now by lowering to a libcall 
llvm-svn: 30225
 2006-09-09 06:03:30 +00:00
Chris Lattner a4b7de8669 (indirect) test for the __builtin_powi builtin which we now support. 
llvm-svn: 30224
 2006-09-09 06:02:16 +00:00
Chris Lattner b3c366a3bd Implement new fpowi node 
llvm-svn: 30223
 2006-09-09 05:55:44 +00:00
Chris Lattner e4bbb6c341 Allow targets to custom lower expanded BIT_CONVERT's 
llvm-svn: 30217
 2006-09-09 00:20:27 +00:00
Nate Begeman 69df6132d7 First pass at supporting relocations. Relocations are written correctly to 
the file now, however the relocated address is currently wrong.  Fixing
that will require some deep pondering.

llvm-svn: 30207
 2006-09-08 22:42:09 +00:00
Evan Cheng de33f66286 Fixed a FuseTwoAddrInst() bug: consider GlobalAddress and JumpTableIndex 
in addition to immediate operands.

llvm-svn: 30205
 2006-09-08 21:08:13 +00:00
Chris Lattner b2e7316b2d Non-allocatable physregs can be killed and dead, but don't treat them as 
safe for later allocation.  This fixes McCat/18-imp with llc-beta.

llvm-svn: 30204
 2006-09-08 20:21:31 +00:00
Chris Lattner 050c64c51d This fixes Benchmarks/Prolangs-C/unix-smail 
llvm-svn: 30198
 2006-09-08 19:11:11 +00:00
Chris Lattner 9b1a6ebf20 Fix a bunch of llc-beta failures on x86 yesterday. Don't allow selection 
of unallocatable registers, just because an alias is allocatable.  We were
picking registers like SIL just because ESI was being used.

llvm-svn: 30197
 2006-09-08 19:03:30 +00:00
Chris Lattner fe01c281a9 ok this really works :) 
llvm-svn: 30195
 2006-09-08 18:33:49 +00:00
Devang Patel 842163d60a Remove redundant include. 
llvm-svn: 30194
 2006-09-08 18:20:25 +00:00
Chris Lattner eda4a9e008 Need to include Makefile.config to get the value of $(OS). Add a comment. 
llvm-svn: 30193
 2006-09-08 18:08:50 +00:00
Anton Korobeynikov dc7b51910b Enabling LTO building on Darwin only right now. This probably should be 
removed after 'PIC vs non-PIC' problem solution

llvm-svn: 30192
 2006-09-08 18:00:43 +00:00
Rafael Espindola d11fb5d13b implement shl and sra 
llvm-svn: 30191
 2006-09-08 17:36:23 +00:00
Chris Lattner 6c003a7c2d Use __USER_LABEL_PREFIX__ to get the prefix added by the current host. 
llvm-svn: 30190
 2006-09-08 17:03:56 +00:00
Rafael Espindola 4443c7d60a add the eor (xor) instruction 
llvm-svn: 30189
 2006-09-08 16:59:47 +00:00