f94b9826b5
Preserve dom info.
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llvm-svn: 53089
2008-07-03 07:04:22 +00:00
874a3a0b0d
Keep track of inherited analysis (e.g. dominator tree).
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llvm-svn: 53088
2008-07-03 07:02:30 +00:00
226edd1826
Remove extra FIXME
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llvm-svn: 53087
2008-07-03 06:50:04 +00:00
c4dcf82a16
Reconstruct dom info, if loop is unswitched.
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llvm-svn: 53086
2008-07-03 06:48:21 +00:00
e491bb8845
LoopUnswitch does not preserve dominator info in all cases.
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llvm-svn: 53085
2008-07-03 05:55:03 +00:00
f39614bfd0
Updated latest checker build.
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llvm-svn: 53084
2008-07-03 05:33:14 +00:00
1d3c797c90
Have BugReporter::getCFG and BugReporter::getLiveVariables returns pointers instead of references, because they can both fail
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on functions we cannot construct full CFGs for yet.
llvm-svn: 53081
2008-07-03 05:26:14 +00:00
590afde872
Updated latest checker build.
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llvm-svn: 53080
2008-07-03 04:47:54 +00:00
ff7f2e76bf
Update Xcode project.
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llvm-svn: 53076
2008-07-03 04:30:48 +00:00
0e7d25233e
Added static analysis check to see if a subclass of NSObject implements -dealloc, and whether or not that implementation calls [super dealloc].
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llvm-svn: 53075
2008-07-03 04:29:21 +00:00
7a241baf2f
Shuffle things around in preparation for integrating Eli's constant evaluator.
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llvm-svn: 53074
2008-07-03 04:20:39 +00:00
ac1d1d1c34
Make APValue an APSInt.
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llvm-svn: 53072
2008-07-03 04:00:59 +00:00
3f26dc0bf6
new testcase
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llvm-svn: 53071
2008-07-03 03:53:40 +00:00
1cb0e61e98
Fix PR2252: don't warn on negating an unsigned value ever, and don't emit
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'integer constant is so large that it is unsigned' warning for hex literals.
llvm-svn: 53070
2008-07-03 03:47:30 +00:00
9ff58d7caf
Fix PR2020 by recovering by defining an anonymous enum, instead of recovering
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by filling in the body of a union with enum constants.
llvm-svn: 53069
2008-07-03 03:30:58 +00:00
b261292917
Reapply r52988, "Simplify addRegisterKilled and addRegisterDead." The
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254.gap failure was not due to this mod.
llvm-svn: 53068
2008-07-03 01:18:51 +00:00
99e6237ba7
Use operator new instead of new char[].
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llvm-svn: 53067
2008-07-03 00:59:36 +00:00
7722f791f6
Use operator new instead of new char[].
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llvm-svn: 53066
2008-07-03 00:53:09 +00:00
f3c4d7f877
Avoid unnecessarily copying APInt objects.
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llvm-svn: 53065
2008-07-03 00:52:03 +00:00
4c6db53a36
Correct a comment.
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llvm-svn: 53064
2008-07-03 00:51:05 +00:00
9f8b66f3f1
Use std::replace instead of std::find and push_back.
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llvm-svn: 53063
2008-07-03 00:28:27 +00:00
7dcfff392a
Undo previous patch. It is not that simple to fix dom info here.
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llvm-svn: 53062
2008-07-03 00:08:13 +00:00
7a265d83bf
- Add LiveVariables::replaceKillInstruction. This does a subset of instructionChanged. That is, it only update the VarInfo.kills if the new instruction is known to have the correct dead and kill markers.
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- CommuteInstruction copies kill / dead markers over to new instruction. So use replaceKillInstruction instead.
llvm-svn: 53061
2008-07-03 00:07:19 +00:00
c939f45fe7
commuteInstruction should preserve dead markers.
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llvm-svn: 53060
2008-07-03 00:04:51 +00:00
30cc028e4a
Make LiveVariables even more optional, by making it optional in the call to TargetInstrInfo::convertToThreeAddressInstruction
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Also, if LV isn't around, then TwoAddr doesn't need to be updating flags, since they won't have been set in the first place.
llvm-svn: 53058
2008-07-02 23:41:07 +00:00
22e9707480
Replace a few uses of SelectionDAG::getTargetNode with
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SelectionDAG::SelectNodeTo in the instruction selector. This
updates existing nodes in place instead of creating new ones.
Go back to selecting ISD::DBG_LABEL nodes into
TargetInstrInfo::DBG_LABEL nodes instead of leaving them
unselected, now that SelectNodeTo allows us to update them
in place.
llvm-svn: 53057
2008-07-02 23:23:19 +00:00
80025c257f
Update test case with new clang arguments.
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llvm-svn: 53056
2008-07-02 23:18:57 +00:00
e6b2fa5029
Update test case: simply running "clang -checker-simple" doesn't invoke the dead store checker anymore. We need "-warn-dead-stores" as well.
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llvm-svn: 53055
2008-07-02 23:18:22 +00:00
c7efb536d5
Unify the code path for the Dead Stores checker to always use the BugReporter interface.
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llvm-svn: 53054
2008-07-02 23:16:33 +00:00
f1f17555bd
ccc-analyzer now dispatches the options "-checker-cfref" and "-warn-dead-stores" to clang instead of just "-checker-cfref".
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llvm-svn: 53053
2008-07-02 23:16:10 +00:00
5adfcb5783
Preserve dom info while simplifing loop after the unswitch.
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llvm-svn: 53052
2008-07-02 22:58:54 +00:00
30f1d3f0db
Add a couple more helper functions to deal with
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creating global constant strings and pointers
to global constant strings.
llvm-svn: 53051
2008-07-02 22:57:59 +00:00
1b46bfecfe
Revert r52988. It broke 254.gap on x86-64.
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llvm-svn: 53050
2008-07-02 22:12:55 +00:00
8c10c2482a
TwoAddressInstructionPass doesn't really require LiveVariables, it just needs to update it if it's already around.
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llvm-svn: 53049
2008-07-02 21:28:58 +00:00
b1d0118a1a
Refactored some of the BugReporter interface so that data such as the ASTContext&, PathDiagnosticClient*, can be provided by an external source.
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Split BugReporter into BugReporter and GRBugReporter so checkers not based on GRExprEngine can still use the BugReporter mechanism.
llvm-svn: 53048
2008-07-02 21:24:01 +00:00
6d161f1fd3
VStudio x64 build fixes. Looks like the x64 projects got out of date and this brings them up to code. I've built the project with these new vcproj files for win32 and x64 both debug and release.
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llvm-svn: 53047
2008-07-02 21:02:51 +00:00
125d4a3b2d
GRExprEngine now expects the LiveVariables information to be provided by its creator.
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This allows an optimization in AnalysisConsumer where the same LiveVariables information is used between multiple analyses.
llvm-svn: 53046
2008-07-02 20:13:38 +00:00
abfd3a8162
Use ADCE instead of just DCE. ADCE will better clean up after jump threading,
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for instance.
llvm-svn: 53045
2008-07-02 18:42:07 +00:00
488b89f608
Use df_ext_iterator to capture the reachable set without allocating an extra set.
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Also, move large sets and vectors out of instance variables and onto the stack,
and give them more reasonable sizes.
llvm-svn: 53044
2008-07-02 18:41:09 +00:00
d8ca1f6dd9
Added version of CheckDeadStores that accepts a client-provided LiveVariables object.
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Modified the DeadStores logic in AnalysisConsumer.cpp to use the LiveVariables object created by the AnalysisManager.
llvm-svn: 53043
2008-07-02 18:39:20 +00:00
c3b30340d9
Added method "HandleTranslationUnit" to ASTConsumer. This is called by ParseAST when all of the ASTs in a translation unit have been built.
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llvm-svn: 53042
2008-07-02 18:32:45 +00:00
f992cfb4ab
Moved logic for -dump-cfg and -view-cfg into AnalysisConsumer.
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Renamed -dump-cfg to -cfg-dump, and -view-cfg to -cfg-view. This naming better matches the same options for asts (e.g. -ast-dump).
llvm-svn: 53041
2008-07-02 18:23:21 +00:00
6acc782dad
Avoid a redundant call.
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llvm-svn: 53040
2008-07-02 18:15:31 +00:00
bdbe6130f4
Move -dump-live-variables logic to AnalysisConsumer.
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llvm-svn: 53039
2008-07-02 18:11:29 +00:00
323b5755a6
Add support to ADCE for pruning unreachable blocks. This addresses the final
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part of PR2509.
llvm-svn: 53038
2008-07-02 18:05:19 +00:00
2cf56ce269
Make the default min align of CreateStackTemporary to be 1
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llvm-svn: 53036
2008-07-02 17:50:10 +00:00
739a0548c4
Add a new getMergeValues method that does not need
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to be passed the list of value types, and use this
where appropriate. Inappropriate places are where
the value type list is already known and may be
long, in which case the existing method is more
efficient.
llvm-svn: 53035
2008-07-02 17:40:58 +00:00
9edcf24da9
Use DenseSet rather than SmallPtrSet for the alive set. Using SmallPtrSet
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with a huge "size" parameter is actually quite inefficient.
llvm-svn: 53034
2008-07-02 17:32:04 +00:00
286d0c40c3
Have DenseSet::insert return a bool indicating whether the insertion succeeded or not.
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llvm-svn: 53033
2008-07-02 17:29:59 +00:00
b22a640fe4
A better fix for PR2503 that doesn't pessimize GVN in the presence of unreachable blocks.
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llvm-svn: 53032
2008-07-02 17:20:16 +00:00
Devang Patel