llvm-svn: 61003

Store the size of the EH stack inside each BreakContinue struct so we know when a break/continue won't cross a try block.

llvm-svn: 60998

matching the storage layout for this ivar

llvm-svn: 60996

- Overhauled the notion of "types" for TypedRegions.  We now distinguish between the "lvalue" of a region (via getLValueRegion()) and the "rvalue" of a region (va getRValueRegion()).  Since a region represents a chunk of memory it has both, but we were conflating these concepts in some cases, leading to some insidious bugs.
- Removed AnonPointeeType, partially because it is unused and because it doesn't have a clear notion of lvalue vs rvalue type.  We can add it back once there is a need for it and we can resolve its role with these concepts.

StoreManager:
- Overhauled StoreManager::CastRegion.  It expects an *lvalue* type for a region.  This is actually what motivated the overhaul to the MemRegion type mechanism.  It also no longer returns an SVal; we can just return a MemRegion*.
- BasicStoreManager::CastRegion now overlays an "AnonTypedRegion" for pointer-pointer casts.  This matches with the MemRegion changes.
- Similar changes to RegionStore, except I've added a bunch of FIXMEs where it wasn't 100% clear where we should use TypedRegion::getRValueRegion() or TypedRegion::getLValueRegion().

AuditCFNumberCreate check:
- Now blasts through AnonTypedRegions that may layer the original memory region, thus checking if the actually memory block is of the appropriate type.  This change was needed to work with the changes to StoreManager::CastRegion.

GRExprEngine::VisitCast:
- Conform to the new interface of StoreManager::CastRegion.

Tests:
- None of the analysis tests fail now for using the "basic store".
- Disabled the tests 'array-struct.c' and 'rdar-6442306-1.m' pending further testing and bug fixing.

llvm-svn: 60995

llvm-svn: 60993

use identifierinfo instead.  Patch by Chris Goller!

llvm-svn: 60992

GRExprEngine (VisitCast):
- When using StoreManager::CastRegion, always use the state and value it returns to generate the next node.  Failure to do so means that region values returned that don't require the state to be modified will get ignored.

MemRegion:
- Tighten the interface for ElementRegion.  Now ElementRegion can only be created with a super region that is a 'TypedRegion' instead of any MemRegion.  Code in BasicStoreManager/RegionStoreManager already assumed this, but it would result in a dynamic assertion check (and crash) rather than just having the compiler forbid the construction of such regions.
- Added ElementRegion::getArrayRegion() to return the 'typed version' of an ElementRegion's super region.
- Removed bogus assertion in ElementRegion::getType() that assumed that the super region was an AnonTypedRegion.  All that matters is that it is a TypedRegion, which is now true all the time by design.

BasicStore:
- Modified getLValueElement() to check if the 'array' region is a TypedRegion before creating an ElementRegion.  This conforms to the updated interface for ElementRegion.

RegionStore:
- In ArrayToPointer() gracefully handle things we don't reason about, and only create an ElementRegion if the array region is indeed a TypedRegion.

llvm-svn: 60990

llvm-svn: 60989

llvm-svn: 60983

llvm-svn: 60982

PTH: Added minor 'sibling jumping' optimization for iterating over the side table used for fast preprocessor block skipping.  This has a minor performance improvement when preprocessing Cocoa.h, but can have some wins in pathologic cases.

llvm-svn: 60966

llvm-svn: 60961

Added PTH optimization to not process entire blocks of tokens that appear in skipped preprocessor blocks.  This improves PTH speed by 6%.  The code for this optimization itself is not very optimized, and will get cleaned up.

llvm-svn: 60956

processing: it allows arbitrary foldable constants as the operand of ?: when
builtin_constant_p is the condition.

llvm-svn: 60954

llvm-svn: 60947

llvm-svn: 60943

llvm-svn: 60942

llvm-svn: 60939

llvm-svn: 60937

llvm-svn: 60935

llvm-svn: 60934

llvm-svn: 60933

llvm-svn: 60932

Substantially improve error recovery after broken if conditions by
parsing the full if when we have a semantic error instead of using
parser recovery techniques to recover from a semantic error.

This fixes rdar://6094870 - spurious error after invalid 'if' condition

llvm-svn: 60929

llvm-svn: 60928

Work in preparation for VLAs. Make sure to restore the stack if necessary (Saving the stack isn't implemented right now :)

llvm-svn: 60925

llvm-svn: 60924

output that GCC does.  rdar://6440297

llvm-svn: 60922

fix rdar://6097892 - gcc incompat: clang rejects __func__, __FUNCTION__, and __PRETTY_FUNCTION__ outside func

Yeah, this is "useful".

llvm-svn: 60921

llvm-svn: 60920

the type of the enumeration once the enumeration has been defined.

Fix the overloading test-case to properly create enums that promote
the way we want them to.

Implement C++0x promotions from enumeration types to long
long/unsigned long long. We're using these promotions in Carbon.h
(since long long is a common extension).

Fixes PR clang/2954: http://llvm.org/bugs/show_bug.cgi?id=2954

llvm-svn: 60917

- Added a side-table per each token-cached file with the preprocessor conditional stack.  This tracks what #if's are matched with what #endifs and where their respective tokens are in the PTH file.  This will allow for quick skipping of excluded conditional branches in the Preprocessor.
- Performance testing shows the addition of this information (without actually utilizing it) leads to no performance regressions.

llvm-svn: 60911

llvm-svn: 60906

PTHLexer: Keep track of the location of the last '#' token and provide the means to jump ahead in the token stream.

llvm-svn: 60905

llvm-svn: 60904

llvm-svn: 60900

llvm-svn: 60897

llvm-svn: 60896

llvm-svn: 60895

llvm-svn: 60892