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32912 Commits

Author SHA1 Message Date
Chris Lattner a4a49e37ab fix mmx handling bug 
llvm-svn: 37533
 2007-06-09 05:01:50 +00:00
Nick Lewycky d18b16034a Fix edge case. 
llvm-svn: 37532
 2007-06-09 04:20:33 +00:00
Evan Cheng 2117d1f20e Don't change CFG during analysis stage. Do so during ifcvt and invalidate predecessors accordingly. 
llvm-svn: 37531
 2007-06-09 01:03:43 +00:00
Owen Anderson 7d76b2a774 Collect statistics from GVN-PRE. 
llvm-svn: 37530
 2007-06-08 22:02:36 +00:00
Evan Cheng 288f1545a6 Carefully remove extraneous CFG edges after each ifcvt. 
llvm-svn: 37529
 2007-06-08 22:01:07 +00:00
Evan Cheng 5514bbef46 Add a utility routine to check for unpredicated terminator instruction. 
llvm-svn: 37528
 2007-06-08 21:59:56 +00:00
Lauro Ramos Venancio c7ebbaa10e Define AsmTransCBE for ARM. 
llvm-svn: 37527
 2007-06-08 21:06:23 +00:00
Owen Anderson b232efaf48 Fix typo in a comment. 
llvm-svn: 37526
 2007-06-08 20:57:08 +00:00
Owen Anderson 55994f2453 Fix a bug that was causing the elimination phase not to replace values when it should be. 
With this patch, GVN-PRE now correctly optimizes the example from the thesis.

Many thanks to Daniel Berlin for helping me find errors in this.

llvm-svn: 37525
 2007-06-08 20:44:02 +00:00
Evan Cheng df1a42935b Correct transfer predicate information. 
llvm-svn: 37524
 2007-06-08 19:17:12 +00:00
Evan Cheng e93ccc013f Hidden options to help debugging ifcvt issues. 
llvm-svn: 37523
 2007-06-08 19:10:51 +00:00
Devang Patel 082c6ae383 Fix spelling. 
llvm-svn: 37522
 2007-06-08 17:59:02 +00:00
David Greene a0bb97c848 Add entry to CREDITS. 
llvm-svn: 37521
 2007-06-08 17:20:08 +00:00
David Greene 02f6e9b621 Factor live variable analysis so it does not do register coalescing 
simultaneously.  Move that pass to SimpleRegisterCoalescing.

This makes it easier to implement alternative register allocation and
coalescing strategies while maintaining reuse of the existing live
interval analysis.

llvm-svn: 37520
 2007-06-08 17:18:56 +00:00
Chris Lattner a59fb10de8 wording fix noticed by Ivan Novick 
llvm-svn: 37519
 2007-06-08 16:52:14 +00:00
Evan Cheng 7783f82e21 Allow more cmp / bcc to be predicated; clean up triangle ifcvt checking code. 
llvm-svn: 37518
 2007-06-08 09:36:04 +00:00
Evan Cheng 6740da9407 Fix ARM condition code subsumission check. 
llvm-svn: 37517
 2007-06-08 09:14:47 +00:00
Evan Cheng f62a5afb98 tBcc is not a barrier. 
llvm-svn: 37516
 2007-06-08 09:13:23 +00:00
Duncan Sands dc8fc1550e Use more realistically sized vectors. Reserve capacity if we know in advance 
how much will be used.

llvm-svn: 37515
 2007-06-08 08:59:11 +00:00
Owen Anderson 2e5efc30c2 Small bugfix, and const-ify some methods (Thanks, Bill). 
llvm-svn: 37513
 2007-06-08 01:52:45 +00:00
Devang Patel becc466451 Update LoopSimplify to require and preserve DominatorTree only. 
Now LoopSimplify does not require nor preserve ETForest.

llvm-svn: 37512
 2007-06-08 01:50:32 +00:00
Dale Johannesen 86798e5e11 Make throttle a hidden parameter, per review. 
llvm-svn: 37511
 2007-06-08 01:08:52 +00:00
Owen Anderson be80240b29 Add partial redundancy elimination. 
llvm-svn: 37510
 2007-06-08 01:03:01 +00:00
Dale Johannesen 52fcf022f7 Throttle tail merging; handling blocks with large numbers of predecessors 
is too slow.

llvm-svn: 37509
 2007-06-08 00:34:27 +00:00
Devang Patel bc3b9a1c8a Add new method - nearestCommonDominator(). 
llvm-svn: 37508
 2007-06-08 00:21:17 +00:00
Devang Patel aee309e353 Use DominatorTree instead of ETForest. 
llvm-svn: 37507
 2007-06-08 00:17:13 +00:00
Devang Patel 8ecffa996a Do not preserve ETForest. 
llvm-svn: 37506
 2007-06-08 00:02:08 +00:00
Devang Patel 31257adce9 Use DominatorTree instead of ETForest. 
llvm-svn: 37505
 2007-06-07 23:53:38 +00:00
Devang Patel 46d92cae96 Add instruction level dominates(A,B) interface. 
llvm-svn: 37504
 2007-06-07 23:52:40 +00:00
Evan Cheng 1236ef7bcc Only remove the edge from entry to false if false block is merged. 
llvm-svn: 37503
 2007-06-07 22:31:28 +00:00
Devang Patel 3f4c6fe7e8 Do not require ETForest. Now it is unused by LICM. 
llvm-svn: 37502
 2007-06-07 22:21:15 +00:00
Devang Patel cf470e5255 Do not use ETForest as well as DomiantorTree. DominatorTree is sufficient. 
llvm-svn: 37501
 2007-06-07 22:17:16 +00:00
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
Devang Patel 895ab0c570 Add basic block level properlyDominates(A,B) interface. 
llvm-svn: 37497
 2007-06-07 21:34:22 +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 171bbf61ed Add BasicBlock level dominates(A,B) interface. 
llvm-svn: 37493
 2007-06-07 18:39:40 +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
Tanya Lattner a1d8eeb7da Correct typo. Should be "not allowed" 
llvm-svn: 37490
 2007-06-07 16:44:52 +00:00
Duncan Sands c3a9cd4c70 Make the struct bigger, in an attempt to get a "struct return" on more 
platforms.

llvm-svn: 37489
 2007-06-07 09:35:33 +00:00
Duncan Sands 3f35c524b9 Make this test pass if llvm-g++ was built without exception handling support. 
llvm-svn: 37488
 2007-06-07 09:00:48 +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 f04823af30 Fix bugpoint to run -llc-safe with -Xlinker. 
llvm-svn: 37483
 2007-06-06 23:10:56 +00:00