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19017 Commits

Author SHA1 Message Date
Devang Patel fc7fdef7d2 Use DominatorTree instead of ETForest. 
This allows faster immediate domiantor walk.

llvm-svn: 37500
 2007-06-07 21:57:03 +00:00
Devang Patel df6355ccf8 Use DominatorTree instead of ETForest. 
llvm-svn: 37499
 2007-06-07 21:42:15 +00:00
Devang Patel fb582f8dda Use DominatorTree instead of ETForest. 
llvm-svn: 37498
 2007-06-07 21:35:27 +00:00
Dale Johannesen 9a4d987a5f Do not change the size of function arguments. PR 1489. 
llvm-svn: 37496
 2007-06-07 21:07:15 +00:00
Devang Patel 5b8a5516e4 Use DominatorTree instead of ETForest. 
llvm-svn: 37495
 2007-06-07 18:45:06 +00:00
Devang Patel 593e766fb5 Use DominatorTree instead of ETForest. 
llvm-svn: 37494
 2007-06-07 18:40:55 +00:00
Devang Patel af41e4a192 Maintain ETNode as part of DomTreeNode. 
This adds redundancy for now.

llvm-svn: 37492
 2007-06-07 17:47:21 +00:00
Tanya Lattner 5801c23e05 Formating fixes. 
llvm-svn: 37491
 2007-06-07 17:12:16 +00:00
Evan Cheng d3f3f0adad ifcvt a triangle: don't merge ifcvt block with rejoin block if it can fall through to it. If merged, the resulting block is not a candidate for iterative ifcvting since it contains both predicated and non-predicated code. 
llvm-svn: 37487
 2007-06-07 08:13:00 +00:00
Zhou Sheng 0ae22e99c8 Add assert to check if the attributes ZExt/SExt, NoAlias are apply to the 
correct type of parameters.

llvm-svn: 37486
 2007-06-07 06:12:03 +00:00
Evan Cheng be9859eea2 Lots of bug fixes. Now finally in a reasonable state. 
llvm-svn: 37485
 2007-06-07 02:12:15 +00:00
Evan Cheng 842be09d86 Stupid cut-n-paste bug caused me soooo much grief. Why wasn't there a compilation warning? I blame it on the FE folks. 
llvm-svn: 37484
 2007-06-07 01:37:54 +00:00
Lauro Ramos Venancio 85703e3796 Propagate alignment, section name and visibility when linking "appending 
global values".
Fix noinline linkage.

llvm-svn: 37482
 2007-06-06 22:01:12 +00:00
Tanya Lattner cb90f1d881 Instruct the inliner to obey the noinline attribute. Add test case. 
llvm-svn: 37481
 2007-06-06 21:59:26 +00:00
Chris Lattner 34404e3247 simplify this code and fix PR1493, now that llvm-gcc3 is dead. 
llvm-svn: 37478
 2007-06-06 20:51:41 +00:00
Devang Patel def2d9790a Add new dominator tree node into dominator tree node map. 
llvm-svn: 37475
 2007-06-06 20:08:11 +00:00
Lauro Ramos Venancio 368e8872db Fix PR1499. 
llvm-svn: 37472
 2007-06-06 17:08:48 +00:00
Owen Anderson cfb6f40424 Quick patch to fix the build, based on what it appears Evan meant to write. 
Evan, please check that this is in fact correct.

llvm-svn: 37471
 2007-06-06 16:22:00 +00:00
Duncan Sands 29d1dc6f1a Fold the exception actions table harder: if two typeid lists start the 
same, only output one copy of the common part.

llvm-svn: 37470
 2007-06-06 15:37:31 +00:00
Nick Lewycky df543f4b84 Optimize this test. Firstly, only Instructions may use other Instructions. 
Secondly, checking whether removal succeeded tells you whether it was in
the map to begin with.

llvm-svn: 37469
 2007-06-06 11:26:20 +00:00
Evan Cheng e8c3cbf971 Mark these instructions clobbersPred. They modify the condition code register. 
llvm-svn: 37468
 2007-06-06 10:17:05 +00:00
Evan Cheng 9030b98aca Lots of bug fixes. 
llvm-svn: 37467
 2007-06-06 10:16:17 +00:00
Evan Cheng d04409154f Added clobbersPred. 
llvm-svn: 37466
 2007-06-06 10:15:28 +00:00
Duncan Sands 61166501a1 Additional fix for PR1422: make sure the landing pad label is placed in the 
correct machine basic block - do not rely on the eh.exception intrinsic
being in the landing pad: the loop optimizers can move it out.

llvm-svn: 37463
 2007-06-06 10:05:18 +00:00
Bruno Cardoso Lopes 35e43c49b0 Initial Mips support, here we go! =) 
- Modifications from the last patch included
  (issues pointed by Evan Cheng are now fixed).
- Added more MipsI instructions.
- Added more patterns to match branch instructions.

llvm-svn: 37461
 2007-06-06 07:42:06 +00:00
Nick Lewycky 3e84212897 Fix PR1487 and Transforms/IndVar/2007-06-06-DeleteDanglesPtr.ll 
llvm-svn: 37459
 2007-06-06 04:12:20 +00:00
Nick Lewycky 91ed6efc24 Inform ScalarEvolutions that we're deleting Values. 
This is the obviously correct part of the fix for PR1487.

llvm-svn: 37457
 2007-06-06 03:51:56 +00:00
Evan Cheng e4ec918be0 If a unconditional branch is added to branch to the false path during ifcvt, the predicated block cannot be iteratively ifcvted. 
llvm-svn: 37456
 2007-06-06 02:08:52 +00:00
Owen Anderson 634a063c1d Add simple full redundancy elimination. 
llvm-svn: 37455
 2007-06-06 01:27:49 +00:00
Chris Lattner 1b7b6e76ec Fix PR1495 and CodeGen/X86/2007-06-05-LSR-Dominator.ll 
llvm-svn: 37454
 2007-06-06 01:23:55 +00:00
Evan Cheng b30a89457c Minor statistics counting bug. 
llvm-svn: 37451
 2007-06-06 01:12:44 +00:00
Evan Cheng 30565998bb Fix a couple of typos and be smarter about order of blocks when ifcvt a diamond. 
llvm-svn: 37449
 2007-06-06 00:57:55 +00:00
Devang Patel 506310d3dd Avoid non-trivial loop unswitching while optimizing for size. 
llvm-svn: 37446
 2007-06-06 00:21:03 +00:00
Chris Lattner 31f82dff21 Fix a user-reported error building with GCC 3.4.4 on Cygwin. 
llvm-svn: 37445
 2007-06-05 23:49:06 +00:00
Evan Cheng 7948422b78 Fix diamond shape ifcvt bugs. 
llvm-svn: 37444
 2007-06-05 23:46:14 +00:00
Owen Anderson ddbe430732 Fix a misunderstanding of the algorithm. Really, we should be tracking values 
and expression separately.  We can get around this, however, by only keeping
opaque values in TMP_GEN.

llvm-svn: 37443
 2007-06-05 23:46:12 +00:00
Owen Anderson c84720913a Don't leak memory. 
llvm-svn: 37442
 2007-06-05 22:11:49 +00:00
Evan Cheng c1a0b8ce1d ReplaceUsesOfBlockWith() can modify the predecessors list. 
llvm-svn: 37441
 2007-06-05 22:03:53 +00:00
Evan Cheng 3e5bf0827c Do not ifcvt if either true / false path is a backedge. Not profitable in almost all cases. 
llvm-svn: 37440
 2007-06-05 20:38:42 +00:00
Devang Patel 3e6519e9fa Fix PR 1497 
Use separate pass id for CFGOnlyPrinter.

llvm-svn: 37439
 2007-06-05 20:24:36 +00:00
Evan Cheng 5c48958a61 Print predicate of the second instruction of the two-piece constant MI. 
llvm-svn: 37437
 2007-06-05 18:55:18 +00:00
Owen Anderson 9b89e4b561 Fix a small bug, some 80 cols violations, and add some more debugging output. 
llvm-svn: 37436
 2007-06-05 17:31:23 +00:00
Dan Gohman 151169df1e Allow insertelement, extractelement, and shufflevector to be hoisted/sunk 
by LICM.

llvm-svn: 37435
 2007-06-05 16:05:55 +00:00
Evan Cheng 252695f0f6 PIC label asm printing cosmetic changes. 
llvm-svn: 37434
 2007-06-05 07:36:38 +00:00
Evan Cheng 2c1acd6d9e I had a senior moment. 
llvm-svn: 37433
 2007-06-05 07:05:25 +00:00
Zhou Sheng 2444a9adeb Commit first round work of PR1373. "noalias" is now fully supported in 
VMCore, BitCode, and Assembly. Documentation and test case paramattrs.ll
updated also.

llvm-svn: 37432
 2007-06-05 05:28:26 +00:00
Evan Cheng 6e4babe8cc If the predicated block requires an early exit, end the block there and add a unconditional branch to false block. AnalyzeBranch() does not understand early exits. 
llvm-svn: 37430
 2007-06-05 01:31:40 +00:00
Evan Cheng 17aad8164e Fix some subtle bugs: bug during succeessor copying; incorrectly updating states of ifcvted blocks. 
llvm-svn: 37429
 2007-06-05 00:07:37 +00:00
Bill Wendling 6357bf20fa Patches by Chuck Rose to unbreak V Studio builds. 
Thanks Chuck!

llvm-svn: 37428
 2007-06-04 23:52:59 +00:00
Dale Johannesen 0558dda319 Tail merging wasn't working for predecessors of landing pads. PR 1496. 
llvm-svn: 37427
 2007-06-04 23:52:54 +00:00