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147 Commits

Author SHA1 Message Date
Owen Anderson 23a204d91b Move getTrue() and getFalse() to 2.5-like APIs. 
llvm-svn: 77685
 2009-07-31 17:39:07 +00:00
Owen Anderson b292b8ce70 Move more code back to 2.5 APIs. 
llvm-svn: 77635
 2009-07-30 23:03:37 +00:00
Daniel Dunbar 0dd5e1ed39 More migration to raw_ostream, the water has dried up around the iostream hole. 
- Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.

llvm-svn: 77019
 2009-07-25 00:23:56 +00:00
Owen Anderson edb4a70325 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 
llvm-svn: 77011
 2009-07-24 23:12:02 +00:00
Owen Anderson 47db941fd3 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Owen Anderson c37bc69e91 Rename getConstantInt{True|False} to get{True|False} at Chris' behest. 
llvm-svn: 76598
 2009-07-21 18:03:38 +00:00
Dan Gohman c43e47938a Make makeLoopInvariant report whether it made any changes or not, 
and use this to simplify more code.

llvm-svn: 75722
 2009-07-15 01:25:43 +00:00
Dan Gohman 4d6149f356 Update LoopSimplify and LoopUnswitch to use the new makeLoopInvariant 
function.

llvm-svn: 75584
 2009-07-14 01:37:59 +00:00
Owen Anderson 1e5f00e7a7 This started as a small change, I swear. Unfortunately, lots of things call the [I|F]CmpInst constructors. Who knew!? 
llvm-svn: 75200
 2009-07-09 23:48:35 +00:00
Owen Anderson 39f00cc1d4 Thread LLVMContext through the constant folding APIs, which touches a lot of files. 
llvm-svn: 74844
 2009-07-06 18:42:36 +00:00
Owen Anderson 80baed63b4 Second batch of passes using LLVMContext. 
llvm-svn: 74753
 2009-07-03 00:54:20 +00:00
Duncan Sands 1efabaaa2a Allow readonly functions to unwind exceptions. Teach 
the optimizers about this.  For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.

llvm-svn: 71071
 2009-05-06 06:49:50 +00:00
Nick Lewycky bfd4ad67c7 Remove strange extra semicolons. 
llvm-svn: 67287
 2009-03-19 05:51:39 +00:00
Devang Patel 43a1161379 If "optimize for size" attribute is set then block non-trivial loop unswitches but allow trivial loop unswitches. 
llvm-svn: 63670
 2009-02-03 22:04:27 +00:00
Duncan Sands 5a913d61e3 Rename getAnalysisToUpdate to getAnalysisIfAvailable. 
llvm-svn: 63198
 2009-01-28 13:14:17 +00:00
Devang Patel 1c469d36b0 Undo previous patch. 
llvm-svn: 60701
 2008-12-08 17:02:37 +00:00
Chris Lattner 2b07d3ccde switch a couple more calls to use array_pod_sort. 
llvm-svn: 60337
 2008-12-01 06:52:57 +00:00
Devang Patel fe57d109b6 Ignore conditions that are outside the loop. 
llvm-svn: 58631
 2008-11-03 19:38:07 +00:00
Daniel Dunbar 7f39e2d85a Change create*Pass factory functions to return Pass* instead of 
LoopPass*.
 - Although less precise, this means they can be used in clients
   without RTTI (who would otherwise need to include LoopPass.h, which
   eventually includes things using dynamic_cast). This was the
   simplest solution that presented itself, but I am happy to use a
   better one if available.

llvm-svn: 58010
 2008-10-22 23:32:42 +00:00
Dan Gohman 215742a966 Use 0 instead of false to return a null pointer. 
llvm-svn: 57660
 2008-10-17 00:56:52 +00:00
Devang Patel 9eb525d4f9 Implement function notes as function attributes. 
llvm-svn: 56716
 2008-09-26 23:51:19 +00:00
Devang Patel 4c758ea3e0 Large mechanical patch. 
s/ParamAttr/Attribute/g
s/PAList/AttrList/g
s/FnAttributeWithIndex/AttributeWithIndex/g
s/FnAttr/Attribute/g

This sets the stage 
- to implement function notes as function attributes and 
- to distinguish between function attributes and return value attributes.

This requires corresponding changes in llvm-gcc and clang.

llvm-svn: 56622
 2008-09-25 21:00:45 +00:00
Devang Patel e15607b7bb Put FN_NOTE_AlwaysInline and others in FnAttr namespace. 
llvm-svn: 56527
 2008-09-24 00:06:15 +00:00
Devang Patel e87abd26ba Move FN_NOTE_AlwaysInline and other out of ParamAttrs namespace. 
Do not check isDeclaration() in hasNote(). It is clients' responsibility.

llvm-svn: 56524
 2008-09-23 23:52:03 +00:00
Devang Patel 82fed6702b Use parameter attribute store (soon to be renamed) for 
Function Notes also. Function notes are stored at index ~0.

llvm-svn: 56511
 2008-09-23 22:35:17 +00:00
Devang Patel 329fe728b5 Add hasNote() to check note associated with a function. 
llvm-svn: 56477
 2008-09-22 22:32:29 +00:00
Devang Patel 40519f0370 A loop may be unswitched multiple times. Reconstruct dom info. at the end. 
llvm-svn: 55806
 2008-09-04 22:43:59 +00:00
Devang Patel 00ec74616b Initialize loop data first. 
llvm-svn: 55792
 2008-09-04 20:36:36 +00:00
Devang Patel d52071540c Do not unswitch if the function notes say we're optimizing this function for size. 
llvm-svn: 55786
 2008-09-04 18:55:13 +00:00
Dan Gohman a79db30d28 Tidy up several unbeseeming casts from pointer to intptr_t. 
llvm-svn: 55779
 2008-09-04 17:05:41 +00:00
Devang Patel eb611ddeb2 Do not try to update dominator info while manipulating CFG. This code does not handle all cases and keeps invalid dom info around some cases, which misleads other passes down stream. 
Right now, dom info is recaluclated in the end if the loop is switched.

llvm-svn: 53106
 2008-07-03 17:37:52 +00:00
Bill Wendling a96eabaab7 Remove unused function. 
llvm-svn: 53090
 2008-07-03 07:10:03 +00:00
Devang Patel 226edd1826 Remove extra FIXME 
llvm-svn: 53087
 2008-07-03 06:50:04 +00:00
Devang Patel c4dcf82a16 Reconstruct dom info, if loop is unswitched. 
llvm-svn: 53086
 2008-07-03 06:48:21 +00:00
Devang Patel e491bb8845 LoopUnswitch does not preserve dominator info in all cases. 
llvm-svn: 53085
 2008-07-03 05:55:03 +00:00
Devang Patel 7dcfff392a Undo previous patch. It is not that simple to fix dom info here. 
llvm-svn: 53062
 2008-07-03 00:08:13 +00:00
Devang Patel 5adfcb5783 Preserve dom info while simplifing loop after the unswitch. 
llvm-svn: 53052
 2008-07-02 22:58:54 +00:00
Devang Patel ed50fb5b61 reuse vectors. 
llvm-svn: 53007
 2008-07-02 01:44:29 +00:00
Devang Patel 57d94d6304 Fix comment. 
llvm-svn: 53006
 2008-07-02 01:31:19 +00:00
Devang Patel e149d4ed4d Preserve loop data so that it is not fetched everytime it is needed. 
Keep track of currentLoop.

llvm-svn: 53005
 2008-07-02 01:18:13 +00:00
Devang Patel cd6b697945 Preserve dominance frontier while trivially unswitching loop. 
llvm-svn: 52438
 2008-06-18 02:16:38 +00:00
Devang Patel 7314d0ee3c Update dom tree. Fix PR 2372. 
llvm-svn: 51887
 2008-06-02 22:52:56 +00:00
Dan Gohman f96e1371e8 Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to 
use it instead of duplicating its functionality.

llvm-svn: 51499
 2008-05-23 21:05:58 +00:00
Dan Gohman d78c400b5b Clean up the use of static and anonymous namespaces. This turned up 
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
 2008-05-13 00:00:25 +00:00
Dan Gohman 6a2da37c0e Make several variable declarations static. 
llvm-svn: 50696
 2008-05-06 01:53:16 +00:00
Nick Lewycky 4d43d3c72c Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989 
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.

llvm-svn: 50265
 2008-04-25 16:53:59 +00:00
Chris Lattner 559c867ece fit some more code in 80 cols. 
llvm-svn: 50016
 2008-04-21 00:25:49 +00:00
Gabor Greif e9ecc68d8f API changes for class Use size reduction, wave 1. 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.

llvm-svn: 49277
 2008-04-06 20:25:17 +00:00
Nick Lewycky 11fc6f8765 Update the block cloner which fixes bugpoint on code using unwind_to (phew!) 
and also update the cloning interface's major user, the loop optimizations.

llvm-svn: 48088
 2008-03-09 05:24:34 +00:00
Chris Lattner f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00