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387b8cbc2d
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19099 Commits

Author SHA1 Message Date
Devang Patel
387b8cbc2d Use DominatorTree instead of ETForest. 
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. 
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. 
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. 
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 
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. 
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. 
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 
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. 
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. 
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. 
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. 
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. 
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 
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. 
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. 
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. 
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. 
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 
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! =) 
- 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 
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. 
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. 
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. 
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 
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. 
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. 
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. 
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. 
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. 
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 
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. 
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. 
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. 
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 
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. 
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. 
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 
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. 
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. 
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 
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. 
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. 
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. 
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. 
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 
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 
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. 
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. 
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. 
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