warnings that some compilers diagnose

llvm-svn: 41847

llvm-svn: 41814

Fix the following bug submitted by Justin Handville.

int main(int argc, char* argv[])
{
  return 0;
}

After speaking briefly with Chris, we decided this should be a front-end fix.

The fix...have Sema::GetTypeForDeclarator() do the default function/array conversion, as
I outlined in the 9/9 email on this topic.

Since this conversion is done before Sema::ParseParamDeclarator(), I thought I could
remove the conversion from Sema::ParseParamDeclarator(). Unfortunately, this didn't work.
The conversion apparently needs to be done in both places (which doesn't make sense to me).

Will investigate.

llvm-svn: 41811

llvm-svn: 41803

class object.

llvm-svn: 41801

that refer to direct function calls.

Modified interface of LiveVariables to only track liveness of VarDecls.
This cleans up a bunch of edge cases, and removed the bug just mentioned.

llvm-svn: 41797

llvm-svn: 41796

refers to a function.

llvm-svn: 41795

"Audit" to "Observer" and "Observe"

llvm-svn: 41794

llvm-svn: 41783

for each function.  This was the behavior prior to the following patch:

http://llvm.org/viewvc/llvm-project?view=rev&revision=41779

llvm-svn: 41780

"CFGVisitor", which now handles all the boilerplate for iterating over
the function definitions in a translation unit and building the CFGs.
This logic was previously replicated for each driver option that used
CFGs.

The options -dump-cfg, -view-cfg, -check-dead-stores, and
-dump-live-variables now use this refactored code.

llvm-svn: 41779

Silenced a couple of warnings.
Added *.vcproj file for new clangAnalysis library.
Renamed Basic to clangBasic projects.

llvm-svn: 41767

but never used.

Fix a bug in LiveVariables where uses on the LHS of self-assign
operators (e.g +=, *=, etc) would not be properly recorded in the
liveness state of the variable.

llvm-svn: 41757

that contained no declarations, or when a variable is declared but never used.

llvm-svn: 41756

llvm-svn: 41755

to variables that are no longer live.  This analysis is built on top
of CFGs and the LiveVariables analysis.

changes to driver:
 added driver option "-check-dead-stores" to run the analysis

llvm-svn: 41754

 - Finished 99% of analysis logic.  Probably a few bugs.
 - Added querying functions to query liveness.
 - Added better pretty printing of liveness.
 - Added better bookkeeping of per-variable liveness information.
 - Added LiveVariablesAuditor interface, which allows "lazy" querying
   of intra-basic block liveness information.

Driver:
 - Minor cleanups involved in dumping liveness information.

llvm-svn: 41753

The goal of this commit is to get just enough Sema support to recognize Objective-C classes
as types. That said, the AST nodes ObjcInterfaceDecl, ObjcInterfaceType, and ObjcClassDecl are *very*
preliminary.

The good news is we no longer need -parse-noop (aka MinimalActions) to parse cocoa.m.

llvm-svn: 41752

in the actual GotoStmt.

Fixed bug where GotoStmt::getSourceRange incorrectly used the target LabelStmt
to compute its extent.

llvm-svn: 41745

llvm-svn: 41742

source-level CFGs.  This code may change significantly in the near
future as we explore different means to implement dataflow analyses.

Added a driver option, -dump-live-variables, to view the output of
live variable analysis.  This output is very ALPHA; it will be improved shortly.

llvm-svn: 41737

llvm-svn: 41736

llvm-svn: 41734

Start implementing Actions interface for ObjC classes, instance variables, and methods.

Lot's of small changes to the parser.

llvm-svn: 41732

llvm-svn: 41731

Added CFG::getNumBlockIDs() to query the number of distinct block ids created.

llvm-svn: 41724

2. Fixes all allowable key-words used as selectors.
3. Template to do the messaging parse.
4. A test case for all allowable selector names.

llvm-svn: 41723

llvm-svn: 41716

Simplified initializer semantic analysis by adding the following 2 methods:

- ArrayType::getBaseType(), and 
- ConstantArrayType::getMaximumElements().

Wanted to do this cleanup before adding structure support, which will add more complexity.

llvm-svn: 41715

llvm-svn: 41709

llvm-svn: 41707

llvm-svn: 41704

llvm-svn: 41701

Make sure initializer type promotions get propagated.

This fixes a recent regression with Codegen/mandel.c.

llvm-svn: 41696

llvm-svn: 41695

llvm-svn: 41694

llvm-svn: 41693

llvm-svn: 41692

llvm-svn: 41691