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2010-08-02Driver: Simplify logic for sending 'clang -E t.c' output to stdout.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110009 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02Driver: Never try to use piped inputs.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110008 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02Driver: Start ripping out support for -pipe, which is worthless and complicatesDaniel Dunbar
too many other things. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110007 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Driver/OpenBSD: Update toolchain for compiler changes / C++; patch by JonathanDaniel Dunbar
Gray. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109994 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Driver: Keep track of a separate "install dir", which is the path where clangDaniel Dunbar
was invoked from (which may not be where the executable itself is). - This allows having e.g., /Developer/usr/bin/clang be a symlink to some other location, while still making sure the Driver finds 'as', 'ld', etc. relative to itself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109989 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01PR7777: Set EnabledByDefault to something useful, instead of setting itEli Friedman
randomly. This makes us consistently show "-pedantic" as the warning option for a warning where appropriate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109987 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Kill off RequiresGlobalConstructor in favor of isConstantInitializer.John McCall
Note some obvious false positives in the test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109986 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Make a first pass at implementing -Wglobal-constructors. I'm worried that thisJohn McCall
will end up bizarrely mirroring CGExprConstant, but that might be the hazard of this feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109984 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Instantiate attributes from the pattern record when instantiatingJohn McCall
a class template. Fixes rdar://problem/8243419. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109967 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Fix indentation.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109965 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Don't consider all local variables in C++ to mandate scope-checking, justJohn McCall
those with initializers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109964 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-01Only run the jump-checker if there's a branch-protected scope *and* there'sJohn McCall
a switch or goto somewhere in the function. Indirect gotos trigger the jump-checker regardless, because the conditions there are slightly more elaborate and it's too marginal a case to be worth optimizing. Turns off the jump-checker in a lot of cases in C++. rdar://problem/7702918 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109962 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-31Fix fragile-ABI ObjC exceptions in the presence of optimization withJohn McCall
the magic of inline assembly. Essentially we use read and write hazards on the set of local variables to force flushing locals to memory immediately before any protected calls and to inhibit optimizing locals across the setjmp->catch edge. Fixes rdar://problem/8160285 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109960 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-31Parser: Add support for #pragma align, which is just another spelling of #pragmaDaniel Dunbar
options align. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109952 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-31After a lengthy design discussion, add support for "ownership attributes" ↵Ted Kremenek
for malloc/free checking. Patch by Andrew McGregor! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109939 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-31Implement dependency analysis for the precompiled preamble. If any ofDouglas Gregor
the files in the precompiled preamble have changed since it was build, force the preamble to be rebuilt. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109937 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Uncomment unfinished work bailout in IdempotentOperationsChecker.Tom Care
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109893 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Add some timers to ASTUnit that are only enabled when the LIBCLANG_TIMING ↵Douglas Gregor
environment variable is set. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109890 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Correctly deal with using names for both functions and structs in chained PCH.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109871 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Refactor find*Specialization functions using SpecEntryTraitsPeter Collingbourne
This patch reimplements the find*Specialization family of member functions of {Class,Function}TemplateDecl in terms of a common implementation that uses SpecEntryTraits to obtain the most recent declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109869 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Safely get a data pointer for vectors that might be empty.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109867 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Tighten the rules when deciding if an ivar must beFariborz Jahanian
auto-synthesized (nonfragile-abi2 specific). Fixes radar 8251648. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109866 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Fixed typedef inside extern "C".Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109865 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30When we are deserializing the lexical decls of a DeclContext from PCH, ↵Argyrios Kyrtzidis
notify the PCHReader to hold off passing Decls to the consumer until the DeclContext is fully prepared. Before, due to recursive loading, we could be in a situation where we would try to deserialize the decls of a DeclContext which was already doing that, and bad things would happen. In the specific case I encountered, the lexical decls would form a cycle and we would enter infinite loop territory. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109857 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Refactor the way PCHReader tracks whether we are in recursive loading.Argyrios Kyrtzidis
-Replace CurrentlyLoadingTypeOrDecl with a counting scheme (NumCurrentElementsDeserializing) -Provide outside access to the mechanism by adding methods StartedDeserializing/FinishedDeserializing to ExternalASTSource. These are preparation for the next commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109856 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Improve error recovery when presented with an ill-formed template-idJohn McCall
(e.g. due to a broken template argument) following template parameters. Fixes rdar://problem/8254267 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109853 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30If a TST_typename has a null type, mark the declarator invalid. PreventsJohn McCall
some downstream crashes, among them rdar://problem/8229840. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109850 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Emit global destructors even if the destroyed object has no initializers or hasJohn McCall
an initializer requiring temporary object disposal. Fixes rdar:://problem/8246444. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109849 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30fix PR5179 and correctly fix PR5831 to not miscompile.Chris Lattner
The X86-64 ABI code didn't handle the case when a struct would get classified and turn up as "NoClass INTEGER" for example. This is perfectly possible when the first slot is all padding (e.g. due to empty base classes). In this situation, the first 8-byte doesn't take a register at all, only the second 8-byte does. This fixes this by enhancing the x86-64 abi stuff to allow and handle this case, reverts the broken fix for PR5831, and enhances the target independent stuff to be able to handle an argument value in registers being accessed at an offset from the memory value. This is the last x86-64 calling convention related miscompile that I'm aware of. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109848 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Don't print out ivars twice in Decl::print(). Fixes <rdar://problem/8253668>.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109833 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Make macro weirdness in chained PCH work. This required changing the way ↵Sebastian Redl
PCHReader and PCHWriter are initialized to correctly pick up all initializer. On the upside, this means that there is far less repetition in the dependent PCH now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109823 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Revert "Re-apply fixed version of 108749, correctly conditionalizing the newDaniel Dunbar
sections on", this change uncovered a possible linker bug which resulted in the wrong messages getting dispatched. Backing this out while we investigate... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109817 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Wire up sema checking for __builtin_arm_usat and __builtin_arm_ssat immediates.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109814 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Teach isIncompleteType() to look through sugar when it is dealing withDouglas Gregor
Objective-C object and interface types. This is part of PR7741. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109808 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29move the last hunk of getCoerceResult into the placeChris Lattner
that needs it and remove getCoerceResult. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109807 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29now that direct and coerce are merged, getCoerceResult gets simpler.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109805 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29now that GetSSETypeAtOffset handles passing SSE class values asChris Lattner
float, the special case hack in getCoerceResult can go away. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109804 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Change the name to something less terrible; suggestion by Doug. No ↵Argyrios Kyrtzidis
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109797 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Weak references and variables that are not definitions are not required for ↵Argyrios Kyrtzidis
early codegen/deserialization. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109796 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Implement the clang-side of detection for when to pass asChris Lattner
<2 x float> instead of double. This works but can't be turned on until I teach codegen to pass <2 x float> as one XMM register instead of two. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109790 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Look at me, I can count!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109786 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Implement PCH support for offsetof(base-specifier).Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109785 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Merge PCHWriterDecl.cpp's isRequiredDecl and ↵Argyrios Kyrtzidis
CodeGenModule::MayDeferGeneration into a new function, DeclIsRequiredFunctionOrFileScopedVar. This is essentially a CodeGen predicate that is also needed by the PCH mechanism to determine whether a decl needs to be deserialized during PCH loading for codegen purposes. Since this logic is shared by CodeGen and the PCH mechanism, move it to the ASTContext, thus CodeGenModule's GetLinkageForFunction/GetLinkageForVariable and the GVALinkage enum is moved out of CodeGen. This fixes current (and avoids future) codegen-from-PCH bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109784 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29fix rdar://8251384, another case where we could access beyond theChris Lattner
end of a struct. This improves the case when the struct being passed contains 3 floats, either due to a struct or array of 3 things. Before we'd generate this IR for the testcase: define float @bar(double %X.coerce0, double %X.coerce1) nounwind { entry: %X = alloca %struct.foof, align 8 ; <%struct.foof*> [#uses=2] %0 = bitcast %struct.foof* %X to %1* ; <%1*> [#uses=2] %1 = getelementptr %1* %0, i32 0, i32 0 ; <double*> [#uses=1] store double %X.coerce0, double* %1 %2 = getelementptr %1* %0, i32 0, i32 1 ; <double*> [#uses=1] store double %X.coerce1, double* %2 %tmp = getelementptr inbounds %struct.foof* %X, i32 0, i32 2 ; <float*> [#uses=1] %tmp1 = load float* %tmp ; <float> [#uses=1] ret float %tmp1 } which compiled (with optimization) to: _bar: ## @bar ## BB#0: ## %entry movd %xmm1, %rax movd %eax, %xmm0 ret Now we produce: define float @bar(double %X.coerce0, float %X.coerce1) nounwind { entry: %X = alloca %struct.foof, align 8 ; <%struct.foof*> [#uses=2] %0 = bitcast %struct.foof* %X to %0* ; <%0*> [#uses=2] %1 = getelementptr %0* %0, i32 0, i32 0 ; <double*> [#uses=1] store double %X.coerce0, double* %1 %2 = getelementptr %0* %0, i32 0, i32 1 ; <float*> [#uses=1] store float %X.coerce1, float* %2 %tmp = getelementptr inbounds %struct.foof* %X, i32 0, i32 2 ; <float*> [#uses=1] %tmp1 = load float* %tmp ; <float> [#uses=1] ret float %tmp1 } and: _bar: ## @bar ## BB#0: ## %entry movaps %xmm1, %xmm0 ret git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109776 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29start setting up infrastructure for passing multi-floatsChris Lattner
as <2 x float> instead of as double. The backend isn't ready yet, but infrastructure in the frontend can come up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109768 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29rename Get8ByteTypeAtOffset -> GetINTEGERTypeAtOffset toChris Lattner
make it clear that this function should only return a type that the codegen will classify the same as an INTEGER type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109763 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29handle a case where we could access off the end of a functionChris Lattner
that Eli pointed out, rdar://8249586 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109762 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29fix PR7742 / rdar://8250764, a miscompilation of structChris Lattner
return where the struct has a base but no fields. This was because the x86-64 abi logic was checking the wrong predicate in one place. This was introduced in r91874, which was a fix for PR5831, which lacked a CHECK line, so I verified and added it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109759 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Tigthen the condition for issung ivar shadowingFariborz Jahanian
variables to those in file scope (nonfragile-abi2). Fixes radar 8248681. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109758 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29When dynamic_cast'ing from a type to itself, fill in the cast kindDouglas Gregor
with CK_NoOp. Fixes PR7727. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109757 91177308-0d34-0410-b5e6-96231b3b80d8
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