bitmap.

llvm-svn: 66175

llvm-svn: 66171

llvm-svn: 66168

If non constant local GV named A is used by a constant local GV named B (e.g. llvm.dbg.variable) and B is not used by anyone else then eliminate A as well as B.

In other words, debug info should not interfere in removal of unused GV.
--This life, and those below, will be ignored--

M    test/Transforms/GlobalOpt/2009-03-03-dbg.ll
M    lib/Transforms/IPO/GlobalOpt.cpp

llvm-svn: 66167

llvm-svn: 66166

llvm-svn: 66165

llvm-svn: 66164

- Store bindings using a MemRegion -> SVal binding instead of VarDecl -> SVal
  binding. This mirrors some of the idea of RegionStore, but is far simpler and
  not nearly as functional.  This leads to some code simplification and
  some potential for some minor precision hacks.
  
Along the way...
- constify the use of MemRegion* in a few places
- add operator<<(llvm::raw_ostream, const MemRegion*)

llvm-svn: 66163

Tweak diag for <rdar://problem/5982579> [clang on xcode] (using arch=x86_64): synthesized property 'sdkPath' must either be named the same as a compatible ivar or must explicitly name an ivar.

llvm-svn: 66162

llvm-svn: 66161

llvm-svn: 66160

llvm-svn: 66159

llvm-svn: 66158

llvm-svn: 66157

llvm-svn: 66156

it in the stack trace, giving us stuff like:

Stack dump:
0.	Program arguments: clang t.c -emit-llvm 
1.	<eof> parser at end of file
2.	t.c:1:5: LLVM IR generation of declaration 'a'
3.	t.c:1:9: LLVM IR generation of compound statement ('{}')
4.	t.c:2:3: LLVM IR generation of compound statement ('{}')
Abort

llvm-svn: 66154

Introduce a new PrettyStackTraceDecl.
Use it to add the top level LLVM IR generation stuff in 
Backend.cpp to stack traces.  We now get crashes like:

Stack dump:
0.	Program arguments: clang t.c -emit-llvm 
1.	<eof> parser at end of file
2.	t.c:1:5: LLVM IR generation of declaration 'a'
Abort

for IR generation crashes.

llvm-svn: 66153

llvm-svn: 66152

llvm-svn: 66151

llvm-svn: 66150

llvm-svn: 66149

For example:

Stack dump:
0.	Program arguments: clang t.cpp 
1.	t.cpp:4:8: current parser token: ';'
2.	t.cpp:3:1: parsing struct/union/class body 'x'
Abort

It is weird that the parser is always "underneath" any parse context 
actions, but the parser is created first.

llvm-svn: 66148

Be more careful about choosing restore points when doing restore folding.  This fixes some subtle miscompilations.

llvm-svn: 66147

llvm-svn: 66146

feels a kinship to machine stacks that grow down.  Now we get
stuff like this:

Stack dump:
0.	Program arguments: clang clang_crash_Iw2Osj.mi 
1.	/Developer/SDKs/MacOSX10.5.sdk/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/xmmintrin.h:624:1: parsing function body '_mm_cvtpi16_ps'
2.	/Developer/SDKs/MacOSX10.5.sdk/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/xmmintrin.h:624:1: in compound statement ('{}')
Abort

llvm-svn: 66145

llvm-svn: 66144

llvm-svn: 66143

 - Add Driver::ParseArgStrings.
 - Store values directly in CommaJoinedArg to support simple access.
 - Add FlagArg class.

llvm-svn: 66142

This invalidates the stubs in the resolver map when they are no longer referenced,
and should the JIT memory manager ever pick up a deallocateStub interface, the
JIT could reclaim the memory for unused stubs as well.

llvm-svn: 66141

llvm-svn: 66140

Test case: When using RegionStore with the retain/release checker, stop tracking objects assigned to self's ivar.

llvm-svn: 66139

llvm-svn: 66136

llvm-svn: 66133

return/argument types.  (The generated IR isn't ideal, but we can't 
really do better in general.)

llvm-svn: 66132

llvm-svn: 66131

llvm-svn: 66130

Fix how livein live intervals are handled. Previously it could end at MBB start. Sorry, no small test case possible.

llvm-svn: 66129

PR3688.  (The FIXME is a rather big performance issue, but it only 
affects code using this feature, which is relatively rare.)

llvm-svn: 66128

llvm-svn: 66127

llvm-svn: 66126