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190 Commits

Author SHA1 Message Date
Anders Carlsson 60ddba67a8 Fix a nasty bug where temporaries weren't marked as being conditional in some cases. 
llvm-svn: 94341
 2010-01-24 00:20:05 +00:00
Devang Patel 934661ed73 Emit human readable names for c/c++ functions. Avoid emitting linkage name if it matches regular name. 
llvm-svn: 93383
 2010-01-14 00:36:21 +00:00
Ken Dyck 40775003e6 Roll out ASTContext::getTypeSizeInChars(), replacing instances of 
"ASTContext::getTypeSize() / 8". Replace [u]int64_t variables with CharUnits
ones as appropriate. 

Also rename RawType, fromRaw(), and getRaw() in CharUnits to QuantityType, 
fromQuantity(), and getQuantity() for clarity.

llvm-svn: 93153
 2010-01-11 17:06:35 +00:00
Anders Carlsson e36a6b3e44 Correctly pass VTT parameters to constructors and destructors. The VTTs aren't yet used in the ctors/dtors, but that will follow. 
llvm-svn: 92409
 2010-01-02 01:01:18 +00:00
Douglas Gregor 507eb87f05 Eliminate the ASTContext argument to CXXConstructorDecl::isCopyConstructor, since the context is available in the Decl 
llvm-svn: 91862
 2009-12-22 00:34:07 +00:00
Mike Stump e8c3b3eca4 Switch codegen for -fcatch-undefined-bahavior over to __builtin_trap 
instead of abort to improve codesize and codegen.

llvm-svn: 91374
 2009-12-15 00:35:12 +00:00
Mike Stump ba6a0c40c4 Add support for detecting undefined shift behavior. WIP. 
llvm-svn: 91341
 2009-12-14 21:58:14 +00:00
Mike Stump d954638f02 Implement runtime checks for undefined behavior. WIP. 
This implements a new flag -fcatch-undefined-behavior.  The flag turns
on additional runtime checks for:

  T a[I];

  a[i]    abort when i < 0 or i >= I.

Future stuff includes shifts by >= bitwidth amounts.

llvm-svn: 91198
 2009-12-12 01:27:46 +00:00
Eli Friedman d5bc94e2eb Get rid of static variable. 
llvm-svn: 91041
 2009-12-10 02:21:21 +00:00
Mike Stump f5cbb08c4b Ensure we only generate one terminate handler. 
llvm-svn: 90998
 2009-12-10 00:02:42 +00:00
Mike Stump aff69af918 Add cleanups for exceptional edges. WIP. 
llvm-svn: 90940
 2009-12-09 03:35:49 +00:00
Benjamin Kramer ba8451b243 Use StringRef in CGDebugInfo::EmitFunctionStart. 
llvm-svn: 90856
 2009-12-08 14:04:35 +00:00
Mike Stump 1d849219a5 Add codegen support for exception specifications. WIP. 
llvm-svn: 90817
 2009-12-07 23:38:24 +00:00
Mike Stump bee78dd31b Add support for function try blocks. 
llvm-svn: 90622
 2009-12-04 23:26:17 +00:00
Eli Friedman 4b1942cb8b Make functions returning a struct indirectly evaluate the returned struct 
directly into the sret pointer. This is an optimization in C, but is required
for correctness in C++ for classes with a non-trivial copy constructor.

llvm-svn: 90526
 2009-12-04 02:43:40 +00:00
Mike Stump 33270211a0 More exception handling improvements... WIP. 
Highlights include:

  Add a helper to generate __cxa_free_exception and _ZSt9terminatev.
  Add a region to handle EH object deallocation for ctor failures for throw.
  Add a terminate handler for __cxa_end_catch.
  A framework for adding cleanup actions for the exceptional edges only.

llvm-svn: 90305
 2009-12-02 07:41:41 +00:00
Anders Carlsson 82ba57c8f0 Add VTT parameter to base ctors/dtors with virtual bases. (They aren't used yet). 
llvm-svn: 89835
 2009-11-25 03:15:49 +00:00
Anders Carlsson 0a66c26191 Fix lifetime of conditional temporaries. Patch by Victor Zverovich! 
llvm-svn: 89467
 2009-11-20 17:27:56 +00:00
Chris Lattner 4f24225e8e indirectbr seems to work! Rip out the old code. 
llvm-svn: 86256
 2009-11-06 17:38:18 +00:00
Anders Carlsson 421a5c9651 If a member variable of reference type is bound to a temporary in its member initializer it needs to be destroyed at the end of the constructor. 
llvm-svn: 86230
 2009-11-06 04:19:02 +00:00
Anders Carlsson 438cf92533 Cleanup ctor/dtor emission. 
llvm-svn: 86222
 2009-11-06 02:55:43 +00:00
Fariborz Jahanian 09cc10f9f8 This patch extends CleanupScope to support destruction 
of array objects on block exit. Patch is by Anders Calrsson.

llvm-svn: 86032
 2009-11-04 17:57:40 +00:00
Chris Lattner 6c4d255bf3 Implement clang support for indirect branch and address of label 
using the new LLVM support for this.  This is temporarily hiding
behind horrible and ugly #ifdefs until the time when the optimizer
is stable (hopefully a week or so).  Until then, lets make it "opt in" :)

llvm-svn: 85446
 2009-10-28 23:59:40 +00:00
Chris Lattner a0c0d88ba8 factor a creation of Int32Ty. 
llvm-svn: 85422
 2009-10-28 20:36:47 +00:00
Mike Stump ae2559a221 Fixup the return type of functions. 
llvm-svn: 84922
 2009-10-23 01:52:13 +00:00