Lauro Ramos Venancio
976e2da081
Fix a typo in bswap lowering.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37544 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-11 23:16:16 +00:00
Evan Cheng
9618bcaf7d
Restructure code to reduce ifcvt compile time cost.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37543 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-11 22:26:22 +00:00
Devang Patel
f60e5a2cd9
Simplify.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37542 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-11 21:45:31 +00:00
Devang Patel
b28aaadfff
simplify
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37541 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-11 21:25:31 +00:00
Devang Patel
e3f653606d
Simplify. Dominator Tree is required so always available.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37540 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-11 21:18:00 +00:00
Owen Anderson
0e71466405
Handle functions with multiple exit blocks properly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37539 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-11 16:25:17 +00:00
Devang Patel
2099ff065d
Use DominatorTree instead of ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37538 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-11 15:40:48 +00:00
Reid Spencer
a9bf49c7e3
Fix the build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37537 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-10 00:19:17 +00:00
Owen Anderson
139fe848a2
Perform PRE of comparison operators.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37536 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-09 18:35:31 +00:00
Chris Lattner
fdbe720416
fix x86-64 mmx calling convention for real, which passes in integer gprs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37534 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-09 05:08:10 +00:00
Chris Lattner
6b7c21cc30
fix mmx handling bug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37533 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-09 05:01:50 +00:00
Nick Lewycky
ae5eb7accf
Fix edge case.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37532 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-09 04:20:33 +00:00
Evan Cheng
1c9f91d7b2
Don't change CFG during analysis stage. Do so during ifcvt and invalidate predecessors accordingly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37531 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-09 01:03:43 +00:00
Owen Anderson
b8b873cb7d
Collect statistics from GVN-PRE.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37530 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 22:02:36 +00:00
Evan Cheng
7e75ba802e
Carefully remove extraneous CFG edges after each ifcvt.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37529 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 22:01:07 +00:00
Evan Cheng
bfd2ec4a8e
Add a utility routine to check for unpredicated terminator instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37528 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 21:59:56 +00:00
Lauro Ramos Venancio
61718a6285
Define AsmTransCBE for ARM.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37527 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 21:06:23 +00:00
Owen Anderson
a7f916cf89
Fix typo in a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37526 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 20:57:08 +00:00
Owen Anderson
8338ff5ff1
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37525 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 20:44:02 +00:00
Evan Cheng
2acdbcccd8
Correct transfer predicate information.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37524 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 19:17:12 +00:00
Evan Cheng
edf4896a14
Hidden options to help debugging ifcvt issues.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37523 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 19:10:51 +00:00
David Greene
2513330de8
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37520 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 17:18:56 +00:00
Evan Cheng
ac5f142b9f
Allow more cmp / bcc to be predicated; clean up triangle ifcvt checking code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37518 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 09:36:04 +00:00
Evan Cheng
1fc7cb695c
Fix ARM condition code subsumission check.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37517 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 09:14:47 +00:00
Evan Cheng
f81dea45b5
tBcc is not a barrier.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37516 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 09:13:23 +00:00
Duncan Sands
6cc7608213
Use more realistically sized vectors. Reserve capacity if we know in advance
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how much will be used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37515 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 08:59:11 +00:00
Owen Anderson
900997ba3b
Small bugfix, and const-ify some methods (Thanks, Bill).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37513 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 01:52:45 +00:00
Devang Patel
dba2413b2e
Update LoopSimplify to require and preserve DominatorTree only.
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Now LoopSimplify does not require nor preserve ETForest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37512 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 01:50:32 +00:00
Dale Johannesen
1a90a5aebe
Make throttle a hidden parameter, per review.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37511 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 01:08:52 +00:00
Owen Anderson
397d405731
Add partial redundancy elimination.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37510 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 01:03:01 +00:00
Dale Johannesen
53af4c01a8
Throttle tail merging; handling blocks with large numbers of predecessors
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is too slow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37509 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 00:34:27 +00:00
Devang Patel
53c279b194
Use DominatorTree instead of ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37507 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 00:17:13 +00:00
Devang Patel
f86a73cbef
Do not preserve ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37506 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-08 00:02:08 +00:00
Devang Patel
6ea7ac6a1e
Use DominatorTree instead of ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37505 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 23:53:38 +00:00
Devang Patel
e029b2c369
Add instruction level dominates(A,B) interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37504 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 23:52:40 +00:00
Evan Cheng
27af5c414b
Only remove the edge from entry to false if false block is merged.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37503 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 22:31:28 +00:00
Devang Patel
468502e41a
Do not require ETForest. Now it is unused by LICM.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37502 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 22:21:15 +00:00
Devang Patel
4b90e3a276
Do not use ETForest as well as DomiantorTree. DominatorTree is sufficient.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37501 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 22:17:16 +00:00
Devang Patel
326821ef12
Use DominatorTree instead of ETForest.
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This allows faster immediate domiantor walk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37500 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 21:57:03 +00:00
Devang Patel
b7d9dfc7ba
Use DominatorTree instead of ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37499 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 21:42:15 +00:00
Devang Patel
fa51f9ae12
Use DominatorTree instead of ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37498 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 21:35:27 +00:00
Dale Johannesen
62000eee7d
Do not change the size of function arguments. PR 1489.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37496 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 21:07:15 +00:00
Devang Patel
a97e040e05
Use DominatorTree instead of ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37495 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 18:45:06 +00:00
Devang Patel
387b8cbc2d
Use DominatorTree instead of ETForest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37494 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 18:40:55 +00:00
Devang Patel
9a51157db5
Maintain ETNode as part of DomTreeNode.
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This adds redundancy for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37492 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 17:47:21 +00:00
Tanya Lattner
b62fa8ab6b
Formating fixes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37491 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 17:12:16 +00:00
Evan Cheng
f476961ae6
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.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37487 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 08:13:00 +00:00
Zhou Sheng
5cbf316686
Add assert to check if the attributes ZExt/SExt, NoAlias are apply to the
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correct type of parameters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37486 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 06:12:03 +00:00
Evan Cheng
d4de6d91b2
Lots of bug fixes. Now finally in a reasonable state.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37485 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 02:12:15 +00:00
Evan Cheng
9328c1ac66
Stupid cut-n-paste bug caused me soooo much grief. Why wasn't there a compilation warning? I blame it on the FE folks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37484 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-07 01:37:54 +00:00
Lauro Ramos Venancio
9613e871d2
Propagate alignment, section name and visibility when linking "appending
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global values".
Fix noinline linkage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37482 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 22:01:12 +00:00
Tanya Lattner
682f683669
Instruct the inliner to obey the noinline attribute. Add test case.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37481 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 21:59:26 +00:00
Chris Lattner
4e2288b9de
simplify this code and fix PR1493, now that llvm-gcc3 is dead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37478 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 20:51:41 +00:00
Devang Patel
7d832fe6c1
Add new dominator tree node into dominator tree node map.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37475 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 20:08:11 +00:00
Lauro Ramos Venancio
d0499af703
Fix PR1499.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37472 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 17:08:48 +00:00
Owen Anderson
96dd9a8b1b
Quick patch to fix the build, based on what it appears Evan meant to write.
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Evan, please check that this is in fact correct.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37471 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 16:22:00 +00:00
Duncan Sands
b32edb4b22
Fold the exception actions table harder: if two typeid lists start the
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same, only output one copy of the common part.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37470 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 15:37:31 +00:00
Nick Lewycky
51e844b601
Optimize this test. Firstly, only Instructions may use other Instructions.
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Secondly, checking whether removal succeeded tells you whether it was in
the map to begin with.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37469 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 11:26:20 +00:00
Evan Cheng
2c614c5c69
Mark these instructions clobbersPred. They modify the condition code register.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37468 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 10:17:05 +00:00
Evan Cheng
7a655479ae
Lots of bug fixes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37467 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 10:16:17 +00:00
Evan Cheng
c1d7384cb0
Added clobbersPred.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37466 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 10:15:28 +00:00
Duncan Sands
9fac0b5ff2
Additional fix for PR1422: make sure the landing pad label is placed in the
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correct machine basic block - do not rely on the eh.exception intrinsic
being in the landing pad: the loop optimizers can move it out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37463 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 10:05:18 +00:00
Bruno Cardoso Lopes
972f5896e4
Initial Mips support, here we go! =)
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- 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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37461 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 07:42:06 +00:00
Nick Lewycky
9d0332f7b4
Fix PR1487 and Transforms/IndVar/2007-06-06-DeleteDanglesPtr.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37459 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 04:12:20 +00:00
Nick Lewycky
5adcefb04d
Inform ScalarEvolutions that we're deleting Values.
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This is the obviously correct part of the fix for PR1487.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37457 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 03:51:56 +00:00
Evan Cheng
3d6f60ec19
If a unconditional branch is added to branch to the false path during ifcvt, the predicated block cannot be iteratively ifcvted.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37456 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 02:08:52 +00:00
Owen Anderson
12112af5e8
Add simple full redundancy elimination.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37455 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 01:27:49 +00:00
Chris Lattner
b47f6124f4
Fix PR1495 and CodeGen/X86/2007-06-05-LSR-Dominator.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37454 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 01:23:55 +00:00
Evan Cheng
cb78d67a1a
Minor statistics counting bug.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37451 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 01:12:44 +00:00
Evan Cheng
e705213b67
Fix a couple of typos and be smarter about order of blocks when ifcvt a diamond.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37449 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 00:57:55 +00:00
Devang Patel
743f7e8839
Avoid non-trivial loop unswitching while optimizing for size.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37446 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 00:21:03 +00:00
Chris Lattner
1405d008d8
Fix a user-reported error building with GCC 3.4.4 on Cygwin.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37445 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 23:49:06 +00:00
Evan Cheng
993fc9594e
Fix diamond shape ifcvt bugs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37444 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 23:46:14 +00:00
Owen Anderson
1d4eb6ab0d
Fix a misunderstanding of the algorithm. Really, we should be tracking values
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and expression separately. We can get around this, however, by only keeping
opaque values in TMP_GEN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37443 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 23:46:12 +00:00
Owen Anderson
8f862c80bc
Don't leak memory.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37442 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 22:11:49 +00:00
Evan Cheng
a1a9f408da
ReplaceUsesOfBlockWith() can modify the predecessors list.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37441 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 22:03:53 +00:00
Evan Cheng
e004317c66
Do not ifcvt if either true / false path is a backedge. Not profitable in almost all cases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37440 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 20:38:42 +00:00
Devang Patel
a301a16841
Fix PR 1497
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Use separate pass id for CFGOnlyPrinter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37439 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 20:24:36 +00:00
Evan Cheng
5e148a37d3
Print predicate of the second instruction of the two-piece constant MI.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37437 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 18:55:18 +00:00
Owen Anderson
359208032b
Fix a small bug, some 80 cols violations, and add some more debugging output.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37436 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 17:31:23 +00:00
Dan Gohman
d8af90c1da
Allow insertelement, extractelement, and shufflevector to be hoisted/sunk
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by LICM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37435 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 16:05:55 +00:00
Evan Cheng
341dcccb4e
PIC label asm printing cosmetic changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37434 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 07:36:38 +00:00
Evan Cheng
c53ef58a35
I had a senior moment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37433 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 07:05:25 +00:00
Zhou Sheng
febca3499e
Commit first round work of PR1373. "noalias" is now fully supported in
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VMCore, BitCode, and Assembly. Documentation and test case paramattrs.ll
updated also.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37432 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 05:28:26 +00:00
Evan Cheng
8ed680cce3
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.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37430 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 01:31:40 +00:00
Evan Cheng
f5305f9cc7
Fix some subtle bugs: bug during succeessor copying; incorrectly updating states of ifcvted blocks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37429 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-05 00:07:37 +00:00
Bill Wendling
851879c4cf
Patches by Chuck Rose to unbreak V Studio builds.
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Thanks Chuck!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37428 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 23:52:59 +00:00
Dale Johannesen
fe7e397100
Tail merging wasn't working for predecessors of landing pads. PR 1496.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37427 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 23:52:54 +00:00
Devang Patel
170f2b9bef
s/ETNode::getChildren/ETNode::getETNodeChildren/g
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37426 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 23:45:02 +00:00
Owen Anderson
dbc705b73f
Don't use std::set_difference when the two sets are sorted differently. Compute
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the difference manually instead.
This allows GVNPRE to produce correct analysis for the example in the GVNPRE
paper.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37425 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 23:34:56 +00:00
Owen Anderson
082fe7185e
Fix a bunch of small bugs, and improve the debugging output significantly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37424 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 23:28:33 +00:00
Chris Lattner
f0a9aaba4c
When rebuilding constant structs, make sure to honor the isPacked bit.
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This fixes PR1491 and GlobalOpt/2007-06-04-PackedStruct.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37423 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 22:23:42 +00:00
Evan Cheng
916d07cdfa
Global ctors / dtors alignment shouldn't be hard-coded at 4. e.g. It could be 8 for 64-bit targets.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37421 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 20:39:18 +00:00
Evan Cheng
3ec425470f
Forgot to check for if iterator reached the end.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37420 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 20:33:36 +00:00
Evan Cheng
111354ff99
Misuse of hasExternalLinkage(), should be checking isDeclaration().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37419 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 18:54:57 +00:00
Owen Anderson
5ea069fdda
Make phi_translate correct.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37418 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 18:05:26 +00:00
Devang Patel
055756bf52
Add FIXMEs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37417 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 17:38:00 +00:00
Devang Patel
83beaee227
s/DominatorTree::createNewNode/DominatorTree::addNewBlock/g
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37415 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 16:43:25 +00:00
Devang Patel
26a6908768
Add basic block level interface to change immediate dominator
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and create new node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37414 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 16:22:33 +00:00
Dan Gohman
3983358555
Pass the DAG to SDNode::dump to let it do more detailed dumps in some cases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37413 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-04 16:17:33 +00:00