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1339 Commits

Author SHA1 Message Date
Devang Patel
e59f4f7204 Add support to emit debug info for c++ style namespaces. 
llvm-svn: 90805
 2009-12-07 21:41:32 +00:00
Chris Lattner
9ed7e3ffb9 add accessor, improve comment. 
llvm-svn: 90792
 2009-12-07 19:45:30 +00:00
Victor Hernandez
2a16652946 Introduce the "@llvm.dbg.value" debug intrinsic. 
The semantics of llvm.dbg.value are that starting from where it is executed, an offset into the specified user source variable is specified to get a new value.

An example:
  call void @llvm.dbg.value(metadata !{ i32 7 }, i64 0, metadata !2)
Here the user source variable associated with metadata #2 gets the value "i32 7" at offset 0.
 

llvm-svn: 90788
 2009-12-07 19:36:34 +00:00
Chris Lattner
0a810a827f checkpoint of the new PHITransAddr code, still not done and not used by 
anything.

llvm-svn: 90779
 2009-12-07 18:36:53 +00:00
John Mosby
a8f0994ba7 fixed some typos in method comments, reworded some comments for clarity 
llvm-svn: 90754
 2009-12-07 09:06:37 +00:00
Nick Lewycky
6f5e732b75 Document that memory use intrinsics may also return Def results. 
llvm-svn: 90651
 2009-12-05 06:37:52 +00:00
Chris Lattner
167f1dc040 add the start of a class used to handle phi translation in memdep and 
gvn (this is just a skeleton so far).  This will ultimately be used
to fix a nasty miscompilation with GVN.

llvm-svn: 90518
 2009-12-04 02:10:16 +00:00
Devang Patel
fe7cf074f0 Add support to emit debug info for virtual functions and virtual base classes. 
llvm-svn: 90474
 2009-12-03 19:11:07 +00:00
Andreas Neustifter
39cc7661ad Use ProfileInfo-API in ProfileInfo Loader and do more assertions. 
llvm-svn: 90446
 2009-12-03 11:00:37 +00:00
Andreas Neustifter
83d47e4f5f Converted ProfileInfo to template, added more API for ProfileInfo-preserving. 
llvm-svn: 90445
 2009-12-03 09:30:12 +00:00
Devang Patel
122acaf238 Add utility routine to create subprogram definition entry from subprogram declaration entry. 
llvm-svn: 90282
 2009-12-01 23:09:02 +00:00
Tobias Grosser
74c7605daf Remove ShortNames from getNodeLabel in DOTGraphTraits 
llvm-svn: 90134
 2009-11-30 12:38:47 +00:00
Tobias Grosser
48d8ba7043 Instantiate DefaultDOTGraphTraits 
llvm-svn: 90133
 2009-11-30 12:38:13 +00:00
Tobias Grosser
38b3077d08 Small PostDominatorTree improvements 
* Do not SEGFAULT if tree entryNode() is NULL
 * Print function names in dotty printer

llvm-svn: 90130
 2009-11-30 12:06:37 +00:00
Tobias Grosser
6cf9fe9d69 Remove ":" after BB name in -view-cfg-only 
llvm-svn: 90129
 2009-11-30 11:55:24 +00:00
Chris Lattner
f8d8142a06 Enhance InsertPHITranslatedPointer to be able to return a list of newly 
inserted instructions.  No functionality change until someone starts using it.

llvm-svn: 90039
 2009-11-28 15:39:14 +00:00
Chris Lattner
73b425ba51 Rework InsertPHITranslatedPointer to handle the recursive case, this 
fixes PR5630 and sets the stage for the next phase of goodness (testcase
pending).

llvm-svn: 90019
 2009-11-27 22:05:15 +00:00
Chris Lattner
bdaed088ea factor some logic out of instcombine into a new SimplifyAddInst method. 
llvm-svn: 90011
 2009-11-27 17:42:22 +00:00
Chris Lattner
a466dbe80a teach GVN's load PRE to insert computations of the address in predecessors 
where it is not available.  It's unclear how to get this inserted 
computation into GVN's scalar availability sets, Owen, help? :)

llvm-svn: 89997
 2009-11-27 08:25:10 +00:00
Chris Lattner
0971e6da1f Fix phi translation in load PRE to agree with the phi 
translation done by memdep, and reenable gep translation 
again.

llvm-svn: 89992
 2009-11-27 06:31:14 +00:00
Chris Lattner
6611a6f733 factor some instcombine simplifications for getelementptr out to a new 
SimplifyGEPInst method in InstructionSimplify.h.  No functionality change.

llvm-svn: 89980
 2009-11-27 00:29:05 +00:00
Chris Lattner
ce573daf09 Implement PR1143 (at -m64) by making basicaa look through extensions. We 
previously already handled it at -m32 because there were no i32->i64 
extensions for addressing.

llvm-svn: 89959
 2009-11-26 18:53:33 +00:00
Chris Lattner
2178a80b90 move DecomposeGEPExpression out into ValueTracking.cpp 
llvm-svn: 89956
 2009-11-26 17:12:50 +00:00
Devang Patel
d50fc13c19 Use StringRef (again) in DebugInfo interface. 
llvm-svn: 89866
 2009-11-25 17:36:49 +00:00
Devang Patel
11c5d09a35 Emit pubtypes. 
llvm-svn: 89725
 2009-11-24 01:14:22 +00:00
Devang Patel
80eee0d8a4 Add CreateLocation varinat that accepts MDNode (with a default value). 
llvm-svn: 89689
 2009-11-23 19:11:20 +00:00
Chris Lattner
51f6279013 add a helper 
llvm-svn: 89662
 2009-11-23 16:38:54 +00:00
Nick Lewycky
8cbd0c3156 Remove unused LLVMContext. 
llvm-svn: 89642
 2009-11-23 03:29:18 +00:00
Chris Lattner
b6ecd40652 Remove the AliasAnalysis::getMustAliases method, which is dead. 
The hasNoModRefInfoForCalls isn't worth it as a filter because 
basicaa provides m/r info and everything chains to it, so remove
it.

llvm-svn: 89599
 2009-11-22 16:01:44 +00:00
Dan Gohman
d115107ef2 Make Loop::getLoopLatch() work on loops which don't have preheaders, as 
it may be used in contexts where preheader insertion may have failed due
to an indirectbr.

Make LoopSimplify's LoopSimplify::SeparateNestedLoop properly fail in
the case that it would require splitting an indirectbr edge.

These fix PR5502.

llvm-svn: 89484
 2009-11-20 20:51:18 +00:00
Dan Gohman
44ddc50043 Extend CaptureTracking to indicate when a value is never stored, even 
if it is not ultimately captured. Teach BasicAliasAnalysis that a 
local object address which does not escape and is never stored does
not alias with a value resulting from a load.

llvm-svn: 89398
 2009-11-19 21:57:48 +00:00
Dan Gohman
f3ab031fde Simplify ComputeMultiple so that it doesn't depend on TargetData. 
llvm-svn: 89175
 2009-11-18 00:58:27 +00:00
Devang Patel
34b8b72944 Remove dead code. 
llvm-svn: 89156
 2009-11-17 22:39:08 +00:00
Chris Lattner
8680e0af8e disable copying, enforce some invariants. 
llvm-svn: 88870
 2009-11-15 20:03:53 +00:00
Benjamin Kramer
879350e223 Remove dead variable found by clang++. 
llvm-svn: 88803
 2009-11-14 19:51:20 +00:00
Devang Patel
20069bcd4d Do not use value handle to wrap MDNode in DIDescriptor. 
llvm-svn: 88700
 2009-11-13 21:45:04 +00:00
Devang Patel
3e2aba2402 Revert r87059 for now. It is failing clang tests. 
llvm-svn: 87070
 2009-11-13 02:27:33 +00:00
Victor Hernandez
0be9d07279 Remove unnecessary llvm.dbg.declare bitcast 
llvm-svn: 87059
 2009-11-13 01:44:55 +00:00
Devang Patel
c024e96ca3 "Attach debug info with llvm instructions" mode was enabled a month ago. Now make it permanent and remove old way of inserting intrinsics to encode debug info for line number and scopes. 
llvm-svn: 87014
 2009-11-12 19:02:56 +00:00
Evan Cheng
b0a193db31 - Teach LSR to avoid changing cmp iv stride if it will create an immediate that 
cannot be folded into target cmp instruction.
- Avoid a phase ordering issue where early cmp optimization would prevent the
  later count-to-zero optimization.
- Add missing checks which could cause LSR to reuse stride that does not have
  users.
- Fix a bug in count-to-zero optimization code which failed to find the pre-inc
  iv's phi node.
- Remove, tighten, loosen some incorrect checks disable valid transformations.
- Quite a bit of code clean up.

llvm-svn: 86969
 2009-11-12 07:35:05 +00:00
Chris Lattner
6d1ca5d976 Add a new getPredicateOnEdge method which returns more rich information for 
constant constraints.  Improve the LVI lattice to include inequality 
constraints.

llvm-svn: 86950
 2009-11-12 04:36:58 +00:00
Chris Lattner
b5bb115ece expose edge information and switch j-t to use it. 
llvm-svn: 86920
 2009-11-12 01:29:10 +00:00
Devang Patel
c70b8eefb7 Do not use StringRef in DebugInfo interface. 
This allows StringRef to skip controversial if(str) check in constructor.
Buildbots, wait for corresponding clang and llvm-gcc FE check-ins!

llvm-svn: 86914
 2009-11-12 00:50:58 +00:00
Dan Gohman
574137b4c0 Fix a copy+pasto in a comment. 
llvm-svn: 86852
 2009-11-11 18:14:02 +00:00
Chris Lattner
b45381c3f0 stub out some LazyValueInfo interfaces, and have JumpThreading 
start using them in a trivial way when -enable-jump-threading-lvi
is passed.  enable-jump-threading-lvi will be my playground for 
awhile.

llvm-svn: 86789
 2009-11-11 02:08:33 +00:00
Chris Lattner
6c04051d2a Stub out a new lazy value info pass, which will eventually 
vend value constraint information to the optimizer.

llvm-svn: 86767
 2009-11-11 00:22:30 +00:00
Chris Lattner
c60b41d336 remove redundant foward declaration. This function is already in 
Analysis/Passes.h

llvm-svn: 86765
 2009-11-11 00:21:21 +00:00
Devang Patel
5c983cb2ab Implement support to debug inlined functions. 
llvm-svn: 86748
 2009-11-10 23:06:00 +00:00
Chris Lattner
958f41d9a4 in -dot-cfg and -dot-cfg-only, when rendering switch instructions, 
put the switch value in the successor boxes like we put T/F for branches.

llvm-svn: 86747
 2009-11-10 22:56:15 +00:00
Chris Lattner
ec4264fbb0 move some generally useful functions out of jump threading 
into libanalysis and transformutils.

llvm-svn: 86735
 2009-11-10 22:26:15 +00:00