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2012-08-27CodeGen: When emitting stores for an initializer, only emit a GEP if we ↵Benjamin Kramer
really need the store. This avoids emitting many dead GEPs for large zero-initialized arrays. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162701 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27Appease -Wnon-virtual-dtorMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162700 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[ms-inline asm] Add a few comments.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162699 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[ms-inline asm] Hoist common Expr handling logic into AsmStmt.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162698 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27MIPS: Use -G option to specify MIPS section threshold. Translate itSimon Atanasyan
to the -mllvm -mips-ssection-threshold=<value> pair and pass to the frontend. The patch suggested by Carl Norum. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162697 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[ms-inline asm] Rename GenerateAsmString to generateAsmString to conform withChad Rosier
coding standards. Also, add stub for MSAsmStmt class as part of unifying codegen logic for AsmStmts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162696 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[analyzer] Look through casts when trying to track a null pointer dereference.Jordan Rose
Also, add comments to addTrackNullOrUndefValueVisitor. Thanks for the review, Anna! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162695 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27Restore a -cc1 invariant that was causing problems on PPC64.John McCall
This test case is pretty bad, though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162694 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[ms-inline asm] Base class AsmStmt implements these.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162693 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[ms-inline asm] Hoist common logic into the AsmStmt base class.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162692 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[ms-inline asm] Add a new base class, AsmStmt, for the GCCAsmStmt and MSAsmStmtChad Rosier
classes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162691 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27This is a temporary solution until we have a better way toManuel Klimek
parse doxygen comments for macros with libclang. I'm not entirely happy about this script, but as it saves a lot of work in keeping the docs up to date with the actual code I think checking it in makes sense. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162690 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[analyzer] Don't inline constructors for objects allocated with operator new.Jordan Rose
Because the CXXNewExpr appears after the CXXConstructExpr in the CFG, we don't actually have the correct region to construct into at the time we decide whether or not to inline. The long-term fix (discussed in PR12014) might be to introduce a new CFG node (CFGAllocator) that appears before the constructor. Tracking the short-term fix in <rdar://problem/12180598>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[analyzer] Update inlining design notes for r162681.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162688 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[analyzer] More internal stats collection.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162687 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27Update comment, per Jordan's suggestion.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162684 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27Use cast<> instead of static_cast. Patch by Timur Iskhodzhanov!John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162683 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27Update comment.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162682 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27[analyzer] Inline constructors for any object with a trivial destructor.Jordan Rose
This allows us to better reason about status objects, like Clang's own llvm::Optional (when its contents are trivially destructible), which are often intended to be passed around by value. We still don't inline constructors for temporaries in the general case. <rdar://problem/11986434> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162681 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27Support MIPS DSP Rev2 intrinsics.Simon Atanasyan
The patch reviewed by Akira Hatanaka. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162669 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27Tweak the ARC-requires-10.6 diagnostic according to Jordan's review.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162651 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-26Update reference docs to latest changes.Manuel Klimek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162650 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25Fix a CodeGen bug where we would skip zero-initialization forEli Friedman
array new with a non-trivial constructor. Pointed out in PR13380. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162643 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25Remove spurious string literal for bool argument.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162642 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25_HAS_CHAR16_T_LANGUAGE_SUPPORT is not predefined MSVC macro.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162641 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25Change --with-analyzer to --use-analyzer, per sage feedback from Jordan.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162640 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25Fix the CC-matching logic for instance methods in the MS ABI.John McCall
Patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162639 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25Fix the mangling of function pointers in the MS ABI.John McCall
Patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162638 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25[analyzer] Use the common evalBind infrastructure for initializers.Jordan Rose
This allows checkers (like the MallocChecker) to process the effects of the bind. Previously, using a memory-allocating function (like strdup()) in an initializer would result in a leak warning. This does bend the expectations of checkBind a bit; since there is no assignment expression, the statement being used is the initializer value. In most cases this shouldn't matter because we'll use a PostInitializer program point (rather than PostStmt) for any checker-generated nodes, though we /will/ generate a PostStore node referencing the internal statement. (In theory this could have funny effects if someone actually does an assignment within an initializer; in practice, that seems like it would be very rare.) <rdar://problem/12171711> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162637 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25Stub out a release notes section on -fcatch-undefined-behavior.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162636 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25Update the user's manual for some of the new -fcatch-undefined-behavior ↵Richard Smith
features. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162635 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25-fcatch-undefined-behavior: add the -ftrapv checks to the set of things caughtRichard Smith
by this mode, and also check for signed left shift overflow. The rules for the latter are a little subtle: * neither C89 nor C++98 specify the behavior of a signed left shift at all * in C99 and C11, shifting a 1 bit into the sign bit has undefined behavior * in C++11, with core issue 1457, shifting a 1 bit *out* of the sign bit has undefined behavior As of this change, we use the C99 rules for all C language variants, and the C++11 rules for all C++ language variants. Once we have individual -fcatch-undefined-behavior= flags, this should be revisited. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162634 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25[ms-inline asm] As part of a larger refactoring, rename AsmStmt to GCCAsmStmt.Chad Rosier
No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162632 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-25ASTTests: Suppress TestCXXConstructorDecl11 on msvc for now. It seems ↵NAKAMURA Takumi
incompatible. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162631 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Remove RequireCompleteType call which was made redundant by r162586.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162630 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24[ms-inline asm] Update the AST Reader/Writer for MS-style inline asms.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162629 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24objective-C: Do not warn if align attribute on methodFariborz Jahanian
declaration is not provided. It is only necessary on the method implementation. // rdar://11593375 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162628 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Fix integer unsigned behavior in clang due to signed left shift overflow.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162626 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Fix a few issues related to -with-analyzer reported by Jordan. Let'sTed Kremenek
have the option with two '--' to be consistent with other options. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162625 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Rework how scan-build picks the version of clang to use for static analysis.Ted Kremenek
Unless the user specifies, the clang used for static analysis is the one found relative to scan-build. If the user specifies -with-analyzer, they can pick either to use the clang bundled with Xcode (via xcrun) or they can specify a path to clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162620 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Reformat help text for scan-build, and remove -constraintsTed Kremenek
and -store from help text because they are no longer relevant to users. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162619 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24When computing the effective context for access control,John McCall
make sure we walk up the DC chain for the current context, rather than allowing ourselves to get switched over to the canonical DC chain. Fixes PR13642. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162616 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24New matcher for MaterializeTemporaryExprSam Panzer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162609 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24[ms-inline asm] Change the -fenable-experimental-ms-inline-asm option from a Chad Rosier
CodeGen option to a LangOpt option. In turn, hoist the guard into the parser so that we avoid the new (and fairly unstable) Sema/AST/CodeGen logic. This should restore the behavior of clang to that prior to r158325. <rdar://problem/12163681> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162602 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24[analyzer] Ted fixed the plist-html issue, so the assert can go away.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162598 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24[analyzer] More fixups/rewording based on Jordan's feedback.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162597 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Remove unnecessary calls to c_str.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162590 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Fix analyzer tests.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162588 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Revert "Go ahead and show experimental checkers in the scan-build "-h" output."Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162587 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Instantiate class template specializations during ADL.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162586 91177308-0d34-0410-b5e6-96231b3b80d8
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