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2012-03-10Assign APValues by swapping from a temporary. Removes a bunch of unnecessaryRichard Smith
copy-construction, which Daniel Dunbar reports as giving a 0.75% speedup on 403.gcc/combine.c. The performance differences on my constexpr torture tests are below the noise floor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152455 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09objective-c modern rewriter. More fixes related to rewritingFariborz Jahanian
ivars in the modern rewriter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152451 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Teach RetainCountChecker about mixing method families with explicit ↵Ted Kremenek
annotations. Fixes <rdar://problem/10824732>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152448 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Document the conversion from a lambda closure type to a block pointerDouglas Gregor
in Objective-C++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152446 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Improve diagnostics for UCNs referring to control characters and members of theRichard Smith
basic source character set in C++98. Add -Wc++98-compat diagnostics for same in literals in C++11. Extend such support to cover string literals as well as character literals, and mark N2170 as done. This seems too minor to warrant a release note to me. Let me know if you disagree. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152444 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[Sema] Fix a diag change to include a range that appeared intended, but neverDaniel Dunbar
actually happened. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152442 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Update comment after r152140. Clarify a bit too.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152441 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[analyzer] Add support for NoRedundancy inlining mode.Anna Zaks
We do not reanalyze a function, which has already been analyzed as an inlined callee. As per PRELIMINARY testing, this gives over 50% run time reduction on some benchmarks without decreasing of the number of bugs found. Turning the mode on by default. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152440 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09CallGraph: Add getNode() method, constify.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152439 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Allow serializing an invalid ParmVarDecl and don't set access to public forArgyrios Kyrtzidis
invalid ParmVarDecls. Part of rdar://11007039. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152437 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Revert r152430 "[AST] Mark ASTContext::getTypeInfo and some friends asDaniel Dunbar
LLVM_READONLY.", getTypeInfo() is totally not READONLY, which I should have probably noticed given that I made it so mere hours ago. Oops. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152434 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Add a helper to get a CXXConstructExpr from a CXXNewExpr.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152433 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Improve our semantic error recovery.Argyrios Kyrtzidis
When an error made a record member invalid, the record would stay as "isBeingDefined" and not "completeDefinition". Even easily recoverable errors ended up propagating records in such "beingDefined" state, for example: struct A { ~A() const; // expected-error {{'const' qualifier is not allowed on a destructor}} }; struct B : A {}; // A & B would stay as "not complete definition" and "being defined". This weird state was impending lookups in the records and hitting assertion in the ASTWriter. Part of rdar://11007039 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152432 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Mark Expr::Ignore*() functions as LLVM_READONLY.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152431 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Mark ASTContext::getTypeInfo and some friends as LLVM_READONLY.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152430 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Mark Expr::getExprLoc() as LLVM_READONLY.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152429 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[Sema] Remove dead getSourceRange() call, caught by Clang after markingDaniel Dunbar
LLVM_READONLY. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST/etc] Mark {getSourceRange(),getStartLoc(),getEndLoc()} as LLVM_READONLY.Daniel Dunbar
- The theory here is that we have these functions sprinkled in all over the place. This should allow the optimizer to at least realize it can still do load CSE across these calls. - I blindly marked all instances as such, even though the optimizer can infer this attribute in some instances (some of the inline ones) as that was easier and also, when given the choice between thinking and not thinking, I prefer the latter. You might think this is mere frivolity, but actually this is good for a .7 - 1.1% speedup on 403.gcc/combine.c, JSC/Interpreter.cpp, OGF/NSBezierPath-OAExtensions.m. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152426 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Add user-defined literals to release notes.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152424 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09lldb support: under debugger support flag, when sending messageFariborz Jahanian
to forward class, and assigning to an 'id' type var, message sends default to 'id'. // rdar"//10988847 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152420 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST/Sema/libclang] Replace getSourceRange().getBegin() with getLocStart().Daniel Dunbar
- getSourceRange().getBegin() is about as awesome a pattern as .copy().size(). I already killed the hot paths so this doesn't seem to impact performance on my tests-of-the-day, but it is a much more sensible (and shorter) pattern. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152419 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST/Sema] Add ↵Daniel Dunbar
{CXXBaseSpecifier,Declarator,DeclSpec,TypeLoc,UnqualifiedId}::getLoc{Start,End}. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152418 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Define a few more key getLocStart() implementations.Daniel Dunbar
- This cuts the # of getSourceRange calls by 60% on OGF/NSBezierPath-OAExtensions.m. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152412 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Reimplement Stmt::getLoc{Start,End} to dispatch to subclass overloads.Daniel Dunbar
- getSourceRange() can be very expensive, we should try to avoid it if at all possible. In conjunction with the previous commit I measured a ~2% speedup on 403.gcc/combine.c and a 3% speedup on OmniGroupFrameworks/NSBezierPath-OAExtensions.m. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152411 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Add {DeclRefExpr,MemberExpr,ImplicitCastExpr}::{getLocStart,getLocEnd} ↵Daniel Dunbar
methods. - There are probably a lot more of these worth adding, but these are a start at hitting some of the exprs for which getSourceRange().getBegin() is a poor substitute for getLocStart(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152410 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Add DeclaratioName::getLoc{Start,End} for consistency.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152409 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[Basic] Rename LangOptions::NoInline to NoInlineDefine, to make things a bitDaniel Dunbar
more obvious. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152408 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Harden test for 32 bit platforms, where size_t is unsigned int (not unsigned ↵Benjamin Kramer
long). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152404 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09-Wformat-non-iso: warn about positional arguments (pr12017)Hans Wennborg
This renames the -Wformat-non-standard flag to -Wformat-non-iso, rewords the current warnings a bit (pointing out that a format string is not supported by ISO C rather than being "non standard"), and adds a warning about positional arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152403 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Fix statement printing for raw and template user-defined literals.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152401 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09User-defined literals are done.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152396 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Literal operator suffixes and regular names live in separate namespaces.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152395 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Literal operators can't have default arguments.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152394 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Support for raw and template forms of numeric user-defined literals,Richard Smith
and lots of tidying up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152392 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Remove accidental binary commit.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152378 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Memoize ASTContext::getTypeInfo().Daniel Dunbar
- On -emit-llvm-only of 403.gcc/combine.c, for example, we make 160k calls to getTypeInfo but only ever deal with 680 some distinct types. I saw these speedups (user time): 403.gcc/combine.c -- 3.1% OmniGroupFrameworks/NSBezierPath-OAExtensions.m -- 3.6% JavaScriptCore/Interpreter.cpp -- 1.4% which seems pretty sweet. I ran some histograms on those compiles and we end up doing a ton of getTypeInfo() on 'char' and 'int'. I tried splitting out a fast path for builtin types, but this wasn't a win. Still kinda seems like we could be doing better here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152377 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Perform l2r conversions on delete operands before doingJohn McCall
type-analysis; otherwise, we just completely do the wrong thing for placeholders. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152375 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Make sure we update the static local decl address map when we are forced to ↵Eli Friedman
rebuild a global because of the initializer. <rdar://problem/10957867>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152372 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Make sure constant emission handles initializer lists with strings ↵Eli Friedman
correctly. Part of <rdar://problem/10957867>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152370 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] NestedNameSpecifier's ctor/dtor are trivial and should be inlined.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152365 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Type::isVoidType() is trivial and should be inlined.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152364 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Reduce Decl::getASTContext() calls.Daniel Dunbar
- This function is not at all free; pass it around along some hot paths instead of recomputing it deep inside various VarDecl methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152363 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[analyzer] Implement basic path diagnostic pruning based on "interesting" ↵Ted Kremenek
symbols and regions. Essentially, a bug centers around a story for various symbols and regions. We should only include the path diagnostic events that relate to those symbols and regions. The pruning is done by associating a set of interesting symbols and regions with a BugReporter, which can be modified at BugReport creation or by BugReporterVisitors. This patch reduces the diagnostics emitted in several of our test cases. I've vetted these as having desired behavior. The only regression is a missing null check diagnostic for the return value of realloc() in test/Analysis/malloc-plist.c. This will require some investigation to fix, and I have added a FIXME to the test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152361 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08[analyzer] Use call graph to determine order in which functions areAnna Zaks
analyzed. The CallGraph is used when inlining is on, which is the current default. This alone does not bring any performance improvement. It's a stepping stone for the upcoming optimization in which we do not re-analyze a function that has already been analyzed while inlined in other functions. Using the call graph makes it easier to play with the order of functions to minimize redundant analyzes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152352 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08[analyzer] Rework inlining related command line options.Anna Zaks
- Remove -analyzer-inline-call. - Add -analyzer-ipa=[none|inlining] - Add -analyzer-inlining-mode to allow experimentation for different performance tuning methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152351 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Call Graph: Only the root node is allowed to have an invalid Decl*.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152350 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Remove a test FIXME for a case which is already fixed.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Fix a couple of issues with literal-operator-id parsing, and provide recoveryRichard Smith
for a few kinds of error. Specifically: Since we're after translation phase 6, the "" token might be formed by multiple source-level string literals. Checking the token width is not a correct way of detecting empty string literals, due to escaped newlines. Diagnose and recover from a missing space between "" and suffix, and from string literals other than "", which are followed by a suffix. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Don't crash when a statement in a block is ill-formed butJohn McCall
introduces cleanups anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08When checking the encoding of an 8-bit string literal, don't just check theRichard Smith
first codepoint! Also, don't reject empty raw string literals for spurious "encoding" issues. Also, don't rely on undefined behavior in ConvertUTF.c. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152344 91177308-0d34-0410-b5e6-96231b3b80d8
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