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32867 Commits

Author SHA1 Message Date
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 f04823af30 Fix bugpoint to run -llc-safe with -Xlinker. 
llvm-svn: 37483
 2007-06-06 23:10:56 +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
Tanya Lattner c7c8b5a3d8 Really use attribute. 
llvm-svn: 37480
 2007-06-06 21:00:46 +00:00
Tanya Lattner 65cdd36e54 Test case for noinline attribute. 
llvm-svn: 37479
 2007-06-06 20:52:16 +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
Chris Lattner e7a1a4c889 if internalize is disabled, don't run the pass at all! 
llvm-svn: 37477
 2007-06-06 20:51:14 +00:00
Tanya Lattner e50637d987 Revert changes for noinline. 
llvm-svn: 37476
 2007-06-06 20:46:40 +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
Chris Lattner 00538a1931 update to match latest changes 
llvm-svn: 37474
 2007-06-06 18:28:13 +00:00
Lauro Ramos Venancio be59acbfcc Add a test for PR1499. 
llvm-svn: 37473
 2007-06-06 17:10:02 +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
Evan Cheng 452a818c6a Add clobbersPred - instruction that clobbers condition code / register which are used to predicate instructions. 
llvm-svn: 37465
 2007-06-06 10:14:55 +00:00
Evan Cheng fcde8e52b3 Add a machine instruction flag indicating the instruction can clobber condition code / register(s) used to predicate instructions. 
llvm-svn: 37464
 2007-06-06 10:13:55 +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
Duncan Sands fe940d8d74 "Simplified" testcase for PR1422. 
llvm-svn: 37462
 2007-06-06 09:59:53 +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
Tanya Lattner 277bbbc1be Ignore llvm.noinline 
llvm-svn: 37460
 2007-06-06 05:53:50 +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 3b70bb2778 new testcase for PR1487 
llvm-svn: 37458
 2007-06-06 04:11:21 +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
Chris Lattner 6b79636532 add accessor 
llvm-svn: 37453
 2007-06-06 01:22:09 +00:00
Chris Lattner af56be7f2c new testcase for PR1495 
llvm-svn: 37452
 2007-06-06 01:21:46 +00:00
Evan Cheng b30a89457c Minor statistics counting bug. 
llvm-svn: 37451
 2007-06-06 01:12:44 +00:00
Devang Patel 5aced6a54a Break friendship. 
llvm-svn: 37450
 2007-06-06 00:59:48 +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 3c6ab49051 Rename. 
llvm-svn: 37448
 2007-06-06 00:49:02 +00:00
Devang Patel d7d3d71c7a Simplify class hierarchy. 
llvm-svn: 37447
 2007-06-06 00:46:36 +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
Devang Patel 753b63cb5b New test. 
llvm-svn: 37438
 2007-06-05 20:23:20 +00:00