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2012-05-01PR12710 - broken default argument handling for templates.David Blaikie
I broke this in r155838 by not actually instantiating non-dependent default arg expressions. The motivation for that change was to avoid producing duplicate conversion warnings for such default args (we produce them once when we parse the template - there's no need to produce them at each instantiation) but without actually instantiating the default arg, things break in weird ways. Technically, I think we could still get the right diagnostic experience without the bugs if we instantiated the non-dependent args (for non-dependent params only) immediately, rather than lazily. But I'm not sure if such a refactoring/ change would be desirable so here's the conservative fix for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155893 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Place several uncovered warnings under warning flags, and tweak diagnostic ↵Ted Kremenek
output including the term "gc" (in lowercase). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Remove some not-very-stable assumptions from this testcase.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155889 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Refactor the C++ ABI code a little bit to take advantage ofJohn McCall
what I'm going to treat as basically universal properties of array-cookie code. Implement MS array cookies on top of that. Based on a patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01When mangling a synthetic function declaration, we might not haveJohn McCall
type-source information for its parameters. Don't crash when mangling them in the MS C++ ABI. Patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155879 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Revert r155874.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155878 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Turn the mixed-sign-comparison diagnostic into a runtime behaviorDouglas Gregor
diagnostic, from Eitan Adler! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155876 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Move a non portable test to FileCheck, from Jonathan Gray!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155874 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Move warn_cxx0x_right_shift_in_template_arg to CXX11Compat group, fromDouglas Gregor
Dmitri Gribenko! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155872 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01My first effort to do this more subtly failed, so elaboratelyJohn McCall
test for an invalid declaration at every single place in the constant evaluator that's about to request a struct layout. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155868 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01malloc size checker: Ignore const'ness of pointer types when determining of ↵Ted Kremenek
a sizeof() type is compatible with a pointed type. Fixes <rdar://problem/11292586>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155864 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30Remove -Wc++98-compat warning for an outrageously-rare circumstance of 'this'Richard Smith
being used in an exception specification in a way which isn't otherwise ill-formed in C++98: this warning also incorrectly triggered on uses of 'this' inside thread-safety attributes, and the mechanism required to tell these cases apart is more complex than can be justified by the (minimal) value of this part of -Wc++98-compat. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155857 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30When going through references to check if the function returns the addressArgyrios Kyrtzidis
of a local variable, make sure we don't infinitely recurse when the reference binds to itself. e.g: int* func() { int& i = i; // assign non-exist variable to a reference which has same name. return &i; // return pointer } rdar://11345441 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30modern objective-c translator. named aggregate typesFariborz Jahanian
defined inside the objc class belong to class's decl. scope. This is to conform to objective-c rules. // rdar://11351299 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155855 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30For RecursiveASTVisitor, do data recursion for CXXOperatorCallExpr.Argyrios Kyrtzidis
rdar://11289247 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155849 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30Add FixItHint for -Wnull-conversion to initialize with an appropriate literal.David Blaikie
Reviewed by Doug Gregor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155839 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30Fix PR12378: provide conversion warnings on default args of function templatesDavid Blaikie
Apparently we weren't checking default arguments when they were instantiated. This adds the check, fixes the lack of instantiation caching (which seems like it was mostly implemented but just missed the last step), and avoids implementing non-dependent default args (for non-dependent parameter types) as uninstantiated default arguments (so that we don't warn once for every instantiation when it's not instantiation dependent). Reviewed by Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155838 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30HandleDeclarator() returns NULL for semantic disasters. Deal with itDouglas Gregor
when we're in an Objective-C container context. Fixes <rdar://problem/11286701>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155836 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30Add -Wloop-analysis. This warning will fire on for loops which the variablesRichard Trieu
in the loop conditional do not change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155835 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30Restore paren, bracket and brace counts in parser whenDouglas Gregor
TentativeParsingAction is reverted, from Pasi Parviainen! Fixes PR12480 / <rdar://problem/11341251>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155823 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-29PR9546, DR1268: A prvalue cannot be reinterpret_cast to an rvalue referenceRichard Smith
type. But a glvalue can be reinterpret_cast to either flavor of reference. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155789 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-29PR12688: ParseCXXClassMemberDeclaration's sometimes-null ThisDecl takes anotherRichard Smith
victim. Don't crash if we have a delay-parsed exception specification for a class member which is invalid in a way which precludes building a FunctionDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155788 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-29[class.copy]p23: Fix an assertion caused by incorrect argument numbering in aRichard Smith
diagnostic, add a test for this paragraph, and tighten up the diagnostic wording a little. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155784 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-28Currently __builtin_annotation() only annotates an i32.Julien Lerouge
i32 __builtin_annotation(i32, string); Applying it to i64 (e.g., long long) generates the following IR. trunc i64 {{.*}} to i32 call i32 @llvm.annotation.i32 zext i32 {{.*}} to i64 The redundant truncation and extension make the result difficult to use. This patch makes __builtin_annotation() generic. type __builtin_annotation(type, string); For the i64 example, it simplifies the generated IR to: call i64 @llvm.annotation.i64 Patch by Xi Wang! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155764 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-28improve error recovery for extra ')'s after a if/switch/while condition. ↵Chris Lattner
Before: t.c:3:9: error: expected expression if (x)) { ^ .. which isn't even true - a statement or expression is fine. After: t.c:3:9: error: extraneous ')' after condition, expected a statement if (x)) { ^ This is the second part of PR12595 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155762 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-28switch some uses of ExpectAndConsume(tok::semi to use ExpectAndConsumeSemi. ↵Chris Lattner
This allows us to improve this diagnostic (telling us to insert another ")": t.c:2:19: error: expected ';' at end of declaration int x = 4+(5-12)); ^ ; to: t.c:2:19: error: extraneous ')' before ';' int x = 4+(5-12)); ^ ...telling us to remove the ")". This is PR12595. There are more uses of ExpectAndConsumeSemi that could be switched over, but I don't hit them on a daily basis :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155759 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-28C++11 weakens the requirement for types used with offsetof from POD to ↵Benjamin Kramer
standard layout type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155757 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-28Rename isPODType (using the C++98 rules) into isCXX98PODType and make ↵Benjamin Kramer
isPODType decide which one to use based on LangOptions. - -Wc++98-compat depends on the c++98 definition - Now __is_pod returns the right thing in c++11 and c++98 mode - All changes to the type traits test are validated against g++ 4.7 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155756 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-28Revert "Use the C++11 definition of PODness for __is_pod in C++11 mode."Benjamin Kramer
This is just papering over a major bug in isPODType, real fix coming up soon. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155755 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-28Use the C++11 definition of PODness for __is_pod in C++11 mode.Benjamin Kramer
Keep the old definition for C++98 so we don't break tr1::is_pod. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155754 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27objective-c modern translator: Correctly translateFariborz Jahanian
nonfragile ivar access code when ivar type is a locally defined struct/union type. // rdar://11323187 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155740 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27When @encode'ing a C++ class that has empty base classes, we can endDouglas Gregor
up with gaps when the class inherits from the same empty base class more than once. Fixes <rdar://problem/11324167>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155738 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27[driver] Don't try to set the deployment target when there is no boundChad Rosier
architecture; this was happening for tools such as lipo and dsymutil. Also, if no -arch option has been specified, set the architecture based on the TC default. rdar://11329656 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155730 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27PR12224 (sort of): Diagnose inheriting constructor declarations in C++11 mode.Richard Smith
We do not support IRGen for these, and get some parts of the semantic analysis wrong. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155728 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27Imrpove the note text for when a non-type decl hides a tag typeKaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155723 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27Use a deque instead of an ImmutableList in AnalysisConsumer to preserve the ↵Ted Kremenek
file order that functions are visited. Should fix the buildbots. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155693 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27test/Rewriter: Mark 4 tests as XFAIL:mingw32, due to predefined ↵NAKAMURA Takumi
__declspec(a) issue. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155692 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27test/Driver/fast-math.c: Mark this as XFAIL:cygming. They use gcc driver for as.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155691 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27Add test case for rdar://11293995Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155690 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27Add a missing check in CodeGen of packed classes with vtables. ↵Eli Friedman
<rdar://problem/11324125>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Add note to help explain why a tag such as 'struct' is needed to referKaelyn Uhrain
to a given type, when the reason is that there is a non-type decl with the same name. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155677 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26modern objective-c transltion: Fixes a translation bugFariborz Jahanian
of writing a __block variable being initialized with a constructed object. // rdar://11326988 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155673 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Add a missing ExpressionEvaluationContext for template default arguments. ↵Eli Friedman
Fixes PR12581. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155670 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Revert r154981, because it caused PR12674.Nico Weber
Add a test for PR12674. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Test case for previosu patch.Fariborz Jahanian
// rdar://11323676 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155664 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Fix a bug with block layout when the block contains somethingJohn McCall
more aligned than the block header but also contains something smaller than the block-header alignment but not exactly half the difference between the large alignment and the header alignment. Got that? I'm really not sure what I was thinking with the buggy computation here, but the fix is pretty obvious. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155662 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26MIPS: Add support for 64-bit MIPS targets: mips64 / mips64el.Simon Atanasyan
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155656 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Fix a crash-on-invalid where the constant evaluator would try toJohn McCall
evaluate certain expressions involving invalidly-defined classes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155645 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Define __ANDROID__ macro on -androideabi targets.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155632 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26MIPS: Add tests to check the debian multiarch stuff for mips and mipsel targets.Simon Atanasyan
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155628 91177308-0d34-0410-b5e6-96231b3b80d8
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