78b9c68164
Add and use DominatorTreeBase::findNearestCommonDominator().
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llvm-svn: 37545
2007-06-11 23:31:22 +00:00
4c2f003971
Fix a typo in bswap lowering.
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llvm-svn: 37544
2007-06-11 23:16:16 +00:00
4dd31a7b1b
Restructure code to reduce ifcvt compile time cost.
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llvm-svn: 37543
2007-06-11 22:26:22 +00:00
536ac4dca7
Simplify.
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llvm-svn: 37542
2007-06-11 21:45:31 +00:00
d18054afcf
simplify
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llvm-svn: 37541
2007-06-11 21:25:31 +00:00
ab2eee89a4
Simplify. Dominator Tree is required so always available.
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llvm-svn: 37540
2007-06-11 21:18:00 +00:00
d184c18074
Handle functions with multiple exit blocks properly.
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llvm-svn: 37539
2007-06-11 16:25:17 +00:00
c43f32b935
Use DominatorTree instead of ETForest.
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llvm-svn: 37538
2007-06-11 15:40:48 +00:00
14b62a553e
Fix the build.
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llvm-svn: 37537
2007-06-10 00:19:17 +00:00
223718c40e
Perform PRE of comparison operators.
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llvm-svn: 37536
2007-06-09 18:35:31 +00:00
e359887116
rename C files to end with .c
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llvm-svn: 37535
2007-06-09 06:10:47 +00:00
75372ad603
fix x86-64 mmx calling convention for real, which passes in integer gprs.
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llvm-svn: 37534
2007-06-09 05:08:10 +00:00
a4a49e37ab
fix mmx handling bug
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llvm-svn: 37533
2007-06-09 05:01:50 +00:00
d18b16034a
Fix edge case.
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llvm-svn: 37532
2007-06-09 04:20:33 +00:00
2117d1f20e
Don't change CFG during analysis stage. Do so during ifcvt and invalidate predecessors accordingly.
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llvm-svn: 37531
2007-06-09 01:03:43 +00:00
7d76b2a774
Collect statistics from GVN-PRE.
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llvm-svn: 37530
2007-06-08 22:02:36 +00:00
288f1545a6
Carefully remove extraneous CFG edges after each ifcvt.
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llvm-svn: 37529
2007-06-08 22:01:07 +00:00
5514bbef46
Add a utility routine to check for unpredicated terminator instruction.
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llvm-svn: 37528
2007-06-08 21:59:56 +00:00
c7ebbaa10e
Define AsmTransCBE for ARM.
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llvm-svn: 37527
2007-06-08 21:06:23 +00:00
b232efaf48
Fix typo in a comment.
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llvm-svn: 37526
2007-06-08 20:57:08 +00:00
55994f2453
Fix a bug that was causing the elimination phase not to replace values when it should be.
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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
df1a42935b
Correct transfer predicate information.
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llvm-svn: 37524
2007-06-08 19:17:12 +00:00
e93ccc013f
Hidden options to help debugging ifcvt issues.
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llvm-svn: 37523
2007-06-08 19:10:51 +00:00
082c6ae383
Fix spelling.
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llvm-svn: 37522
2007-06-08 17:59:02 +00:00
a0bb97c848
Add entry to CREDITS.
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llvm-svn: 37521
2007-06-08 17:20:08 +00:00
02f6e9b621
Factor live variable analysis so it does not do register coalescing
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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
a59fb10de8
wording fix noticed by Ivan Novick
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llvm-svn: 37519
2007-06-08 16:52:14 +00:00
7783f82e21
Allow more cmp / bcc to be predicated; clean up triangle ifcvt checking code.
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llvm-svn: 37518
2007-06-08 09:36:04 +00:00
6740da9407
Fix ARM condition code subsumission check.
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llvm-svn: 37517
2007-06-08 09:14:47 +00:00
f62a5afb98
tBcc is not a barrier.
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llvm-svn: 37516
2007-06-08 09:13:23 +00:00
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
2e5efc30c2
Small bugfix, and const-ify some methods (Thanks, Bill).
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llvm-svn: 37513
2007-06-08 01:52:45 +00:00
becc466451
Update LoopSimplify to require and preserve DominatorTree only.
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Now LoopSimplify does not require nor preserve ETForest.
llvm-svn: 37512
2007-06-08 01:50:32 +00:00
86798e5e11
Make throttle a hidden parameter, per review.
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llvm-svn: 37511
2007-06-08 01:08:52 +00:00
be80240b29
Add partial redundancy elimination.
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llvm-svn: 37510
2007-06-08 01:03:01 +00:00
52fcf022f7
Throttle tail merging; handling blocks with large numbers of predecessors
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is too slow.
llvm-svn: 37509
2007-06-08 00:34:27 +00:00
bc3b9a1c8a
Add new method - nearestCommonDominator().
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llvm-svn: 37508
2007-06-08 00:21:17 +00:00
aee309e353
Use DominatorTree instead of ETForest.
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llvm-svn: 37507
2007-06-08 00:17:13 +00:00
8ecffa996a
Do not preserve ETForest.
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llvm-svn: 37506
2007-06-08 00:02:08 +00:00
31257adce9
Use DominatorTree instead of ETForest.
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llvm-svn: 37505
2007-06-07 23:53:38 +00:00
46d92cae96
Add instruction level dominates(A,B) interface.
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llvm-svn: 37504
2007-06-07 23:52:40 +00:00
1236ef7bcc
Only remove the edge from entry to false if false block is merged.
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llvm-svn: 37503
2007-06-07 22:31:28 +00:00
3f4c6fe7e8
Do not require ETForest. Now it is unused by LICM.
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llvm-svn: 37502
2007-06-07 22:21:15 +00:00
cf470e5255
Do not use ETForest as well as DomiantorTree. DominatorTree is sufficient.
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llvm-svn: 37501
2007-06-07 22:17:16 +00:00
fc7fdef7d2
Use DominatorTree instead of ETForest.
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This allows faster immediate domiantor walk.
llvm-svn: 37500
2007-06-07 21:57:03 +00:00
df6355ccf8
Use DominatorTree instead of ETForest.
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llvm-svn: 37499
2007-06-07 21:42:15 +00:00
fb582f8dda
Use DominatorTree instead of ETForest.
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llvm-svn: 37498
2007-06-07 21:35:27 +00:00
895ab0c570
Add basic block level properlyDominates(A,B) interface.
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llvm-svn: 37497
2007-06-07 21:34:22 +00:00
9a4d987a5f
Do not change the size of function arguments. PR 1489.
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llvm-svn: 37496
2007-06-07 21:07:15 +00:00
5b8a5516e4
Use DominatorTree instead of ETForest.
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llvm-svn: 37495
2007-06-07 18:45:06 +00:00
Devang Patel