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963 Commits

Author SHA1 Message Date
Bill Wendling
4020b2b907 Fix error where it wasn't getting the correct caller function. 
llvm-svn: 59758
 2008-11-21 00:09:21 +00:00
Bill Wendling
f85b54db6c If the function being inlined has a higher stack protection level than the 
inlining function, then increase the stack protection level on the inlining
function.

llvm-svn: 59757
 2008-11-21 00:06:32 +00:00
Devang Patel
20dec363b1 Do not forget llvm.dbg.declare's first argument while removing debugging information. 
llvm-svn: 59688
 2008-11-20 01:20:42 +00:00
Devang Patel
dd2491943e Remove unused variables. 
llvm-svn: 59570
 2008-11-19 00:22:02 +00:00
Devang Patel
b49b40c2fb Fix typo. 
llvm-svn: 59569
 2008-11-19 00:19:18 +00:00
Devang Patel
233728e8c3 Add new helper pass that strips all symbol names except debugging information. 
This pass makes it easier to test wheter debugging info. influences optimization passes or not.

llvm-svn: 59552
 2008-11-18 21:34:39 +00:00
Devang Patel
0728a7d7e5 Remove even more llvm.dbg variables. 
Remove all dead globals from llvm.metadata.
Ignore linkonce linkage for selected llvm.dbg values.

llvm-svn: 59547
 2008-11-18 21:13:41 +00:00
Torok Edwin
f67e9bb406 If SI->size() is 0, we are not allowed to dereference ->begin(). 
This fixed PR3078.

llvm-svn: 59416
 2008-11-16 17:21:25 +00:00
Chris Lattner
d85de82f04 simplify loop 
llvm-svn: 59406
 2008-11-16 06:35:18 +00:00
Devang Patel
86c9f12e47 Refactor code. 
Strip debug information before stripping symbol names. 

llvm-svn: 59328
 2008-11-14 22:49:37 +00:00
Devang Patel
2876af73db Really remove all debug information. 
llvm-svn: 59208
 2008-11-13 01:28:40 +00:00
Devang Patel
ef6a48b56f Use actual function name in comments. 
llvm-svn: 59063
 2008-11-11 19:16:41 +00:00
Devang Patel
de9b95965a Do now allow InlineAlways pass to remove dead functions. 
llvm-svn: 58744
 2008-11-05 01:39:16 +00:00
Andrew Lenharth
97343f0e8b add a period at the end of the comment, ignoring the fact that the comment would be hard pressed to be considered a sentence, but if it makes Bill happy... 
llvm-svn: 58630
 2008-11-03 19:29:29 +00:00
Andrew Lenharth
312c00cdd4 Ensure that we are checking only calls to the function we are interested in specializing 
llvm-svn: 58615
 2008-11-03 16:05:35 +00:00
Nick Lewycky
49abbde699 Changes from Duncan's review: 
* merge two weak functions by making them both alias a third non-weak fn
 * don't reimplement CallSite::hasArgument
 * whitelist the safe linkage types

llvm-svn: 58568
 2008-11-02 16:46:26 +00:00
Duncan Sands
613d060c2e Get this building on 64 bit machines (error: 
cast from ‘const llvm::PointerType*’ to ‘unsigned int’
loses precision).

llvm-svn: 58561
 2008-11-02 09:00:33 +00:00
Oscar Fuentes
45b63793cf CMake: added a source file. 
llvm-svn: 58559
 2008-11-02 06:01:39 +00:00
Nick Lewycky
15a23d029c Add a new MergeFunctions pass. It finds identical functions and merges them. 
This triggers only 60 times in llvm-test (look at .llvm.bc, not .linked.rbc)
and so it probably wont be turned on by default. Also, may of those are likely
to go away when PR2973 is fixed.

llvm-svn: 58557
 2008-11-02 05:52:50 +00:00
Daniel Dunbar
097da598fb Add InlineCost class for represent the estimated cost of inlining a 
function.
 - This explicitly models the costs for functions which should
   "always" or "never" be inlined. This fixes bugs where such costs
   were not previously respected.

llvm-svn: 58450
 2008-10-30 19:26:59 +00:00
Daniel Dunbar
2265cf485e Factor shouldInline method out of Inliner. 
- No functionality change.

llvm-svn: 58355
 2008-10-29 01:02:02 +00:00
Daniel Dunbar
e2fe2de3f4 Assorted comment/naming fixes, 80-col violations, and reindentation. 
- No functionality change.

llvm-svn: 58352
 2008-10-28 23:24:26 +00:00
Dan Gohman
080dca2129 Fix a bug that prevented llvm-extract -delete from working. 
llvm-svn: 57864
 2008-10-21 01:08:07 +00:00
Nuno Lopes
a4813e472c dont specialize weak functions and the like 
llvm-svn: 57305
 2008-10-08 18:45:59 +00:00
Duncan Sands
e22385630e Ignore loads from and stores to local memory (i.e. allocas) 
when deciding whether to mark a function readnone/readonly.
Since the pass is currently run before SROA, this may be
quite helpful.  Requested by Chris on IRC.

llvm-svn: 57050
 2008-10-04 13:24:24 +00:00
Dan Gohman
700611dfc6 Clean up some multiple-return-value code that is no longer 
applicable.

llvm-svn: 57033
 2008-10-03 22:21:24 +00:00
Duncan Sands
5edd9b2350 Teach internalize to preserve the callgraph. 
Why?  Because it was there!

llvm-svn: 56996
 2008-10-03 07:36:09 +00:00
Nuno Lopes
8bf32ebde6 revert the addition of Preverves(CallGraph), per Duncan's comments 
llvm-svn: 56917
 2008-10-01 09:13:40 +00:00
Nuno Lopes
36e7e0b190 add preserversCFG() + preservers(CallGraph) 
llvm-svn: 56887
 2008-09-30 22:04:30 +00:00
Nuno Lopes
2219758606 add AU.setPreservesCFG() since this pass only adds and removes function attributes 
llvm-svn: 56868
 2008-09-30 18:34:38 +00:00
Duncan Sands
187322048e Speed up these passes when the callgraph has 
huge simply connected components.  Suggested
by Chris.

llvm-svn: 56787
 2008-09-29 14:59:04 +00:00
Nuno Lopes
a4d69747c1 remove redundant test (mayBeOverriden() includes hasLinkOnceLinkage) 
llvm-svn: 56786
 2008-09-29 14:40:32 +00:00
Duncan Sands
60dc0b5cbe Tweak some comments. 
llvm-svn: 56784
 2008-09-29 13:35:31 +00:00
Duncan Sands
651eeb4be2 Rename isWeakForLinker to mayBeOverridden. Use it 
instead of hasWeakLinkage in a bunch of optimization
passes.

llvm-svn: 56782
 2008-09-29 11:25:42 +00:00
Devang Patel
47a504c87c Implement function notes as function attributes. 
llvm-svn: 56716
 2008-09-26 23:51:19 +00:00
Devang Patel
e4e6ea0728 Now Attributes are divided in three groups 
- return attributes - inreg, zext and sext
- parameter attributes
- function attributes - nounwind, readonly, readnone, noreturn

Return attributes use 0 as the index.
Function attributes use ~0U as the index.

This patch requires corresponding changes in llvm-gcc and clang.

llvm-svn: 56704
 2008-09-26 22:53:05 +00:00
Devang Patel
64dd7a2e89 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
f0bda74eca s/ParamAttrsWithIndex/FnAttributeWithIndex/g 
llvm-svn: 56535
 2008-09-24 00:55:02 +00:00
Devang Patel
25ecdc49d9 Put FN_NOTE_AlwaysInline and others in FnAttr namespace. 
llvm-svn: 56527
 2008-09-24 00:06:15 +00:00
Devang Patel
b39defd763 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
a3e9bf1bca s/ParameterAttributes/Attributes/g 
llvm-svn: 56513
 2008-09-23 23:03:40 +00:00
Devang Patel
ad8ca34acd 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
c7fc5ed65f Add hasNote() to check note associated with a function. 
llvm-svn: 56477
 2008-09-22 22:32:29 +00:00
Oscar Fuentes
0f25988689 Initial support for the CMake build system. 
llvm-svn: 56419
 2008-09-22 01:08:49 +00:00
Duncan Sands
38b44d2a40 Implement review feedback from Devang: make use 
of mayReadFromMemory and mayWriteToMemory.

llvm-svn: 56387
 2008-09-20 16:45:58 +00:00
Duncan Sands
c2ff9ca568 Add a new pass AddReadAttrs which works out which functions 
can get the readnone/readonly attributes, and gives them it.
The plan is to remove markmodref (which did the same thing
by querying GlobalsModRef) and delete the analogous
functionality from GlobalsModRef.

llvm-svn: 56341
 2008-09-19 08:17:05 +00:00
Anton Korobeynikov
6ad8b060d0 Make safer variant of alias resolution routine to be default 
llvm-svn: 56005
 2008-09-09 20:05:04 +00:00
Anton Korobeynikov
4676c09dc8 Resolve aliases, when possible 
llvm-svn: 56001
 2008-09-09 19:04:59 +00:00
Duncan Sands
0fcef7437c Update the callgraph correctly. 
llvm-svn: 55896
 2008-09-08 11:08:09 +00:00
Duncan Sands
62431a29a5 Update the callgraph correctly in ArgumentPromotion. 
llvm-svn: 55895
 2008-09-08 11:07:35 +00:00