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2011-08-27Remove unused variables noticed by GCC.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138707 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Slight optimization enabled by the previous assert: John McCall
emit all gl-value arguments as reference bindings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138655 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Assert that a call argument is a gl-value iff the parameter is a reference type.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138639 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26What say we document some of these AggValueSlot flags a bitJohn McCall
better. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138628 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Since the 'is aliased' bit is critical for correctness in C++, itJohn McCall
really shouldn't be optional. Fix the remaining place where a temporary was being passed as potentially-aliased memory. Fixes PR10756. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138627 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26An initialization does not alias.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138624 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26The allocated exception slot does not alias anything; should fix self-host.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138615 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26[driver] Add -mglobal-merge/-mno-global-merge machine options to ↵Chad Rosier
enable/disable merging of globals during codegen. Fixes <rdar://problem/10017909>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138612 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Track whether an AggValueSlot is potentially aliased, and do notJohn McCall
emit call results into potentially aliased slots. This allows us to properly mark indirect return slots as noalias, at the cost of requiring an extra memcpy when assigning an aggregate call result into a l-value. It also brings us into compliance with the x86-64 ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138599 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Use stronger typing for the flags on AggValueSlot and requireJohn McCall
creators to tell us whether something needs GC barriers. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138581 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25blocks - capturing logic of byref block variable's expression Fariborz Jahanian
statement initializer makes safe assumption when a substatement is encounterred (with a fix me). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138528 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Match LLVM change: TargetRegistry and TargetSelect have been moved to Support.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Make constant aggregate constant initializers private linkage.Eric Christopher
After talking with John making this the case for all of these is the right way to go. Fixes rdar://9804564 and PR10414 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138418 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Whitespace and 80-col cleanup.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Whitespace.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Cleanup to use helper.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138369 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23checking for __block variable captured by givenFariborz Jahanian
stmt expression, recursively walk down all substatements of the stmt expression. // rdar://10001085 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138334 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23block IRgen - Fixes a crash when determining if given block variableFariborz Jahanian
is captured by a given statement expression. // rdar://10001085 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-22Make sure we don't inline functions marked with __attribute__((naked)). ↵Eli Friedman
<rdar://problem/9973228> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138310 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix a handful of dead stores found by Clang's static analyzer. There's a ↵Ted Kremenek
bunch of others I haven't touched. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Mark objc methods that are implicitly declared for properties (not ↵Argyrios Kyrtzidis
user-declared) as implicit. This results in libclang ignoring such methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16Finalize debug info after all deferred globals are emitted.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137750 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15Use new DIBuilder::finalize() at the end to wrap up debug info encoding for ↵Devang Patel
a translation unit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137674 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15'pure' and 'const' functions should also be marked nounwind. MigrateEric Christopher
test over from llvm/test/FrontendC++ and update others to account for the change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137669 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-14Fix r137086 to actually work properly in general. PR10650.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137574 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-14Implement function template specialization at class scope extension in ↵Francois Pichet
Microsoft mode. A new AST node is introduced: ClassScopeFunctionSpecialization. This node holds a FunctionDecl that is not yet specialized; then during the class template instantiation the ClassScopeFunctionSpecialization will spawn the actual function specialization. Example: template <class T> class A { public: template <class U> void f(U p) { } template <> void f(int p) { } // <== class scope specialization }; This extension is necessary to parse MSVC standard C++ headers, MFC and ATL code. BTW, with this feature in, clang can parse (-fsyntax-only) all the MSVC 2010 standard header files without any error. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137573 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-13Move handling of vget_lane/vset_lane before the code that checks the type.Bob Wilson
Unlike most of the other Neon intrinsics, these are not overloaded and do not have the extra argument that specifies the vector type. This has not been fatal because the lane number operand is supposed to be an ICE and so that value has harmlessly been used as the type identifier. Radar 9901281. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137550 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12switch clang to use the new-new way of creating llvm::StructType's.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137472 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12Alignment of a va_arg must be at least as large as the ABI's minimum alignment.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137420 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12Add definition of a static member of a class.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137411 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11Encapsulate the Objective-C id/Class/SEL "redefinition" types inDouglas Gregor
ASTContext with accessors/mutators. The only functional change is that the AST writer won't bother writing the id/Class/SEL redefinition type if it hasn't been explicitly set; previously, it ended up being written as a synonym for the built-in id/Class/SEL. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137349 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11Simplify EH control flow by observing that EH scopes form a simpleJohn McCall
hierarchy of delegation, and that EH selector values are meaningful function-wide (good thing, too, or inlining wouldn't work). 2,3d 1a hierarchy of delegation and that EH selector values have the same meaning everywhere in the function instead of being meaningful only in the context of a specific selector. This removes the need for routing edges through EH cleanups, since a cleanup simply always branches to its enclosing scope. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137293 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Formatting.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137200 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Revert bad change. (It may look equivalent, but it isn't.)Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137132 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Cleanup; no functionality change.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137126 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Move the creation of the record type for the state of Objective-C fastDouglas Gregor
enumerations from the ASTContext into CodeGen, so that we don't need to serialize it to AST files. This appears to be the last of the low-hanging fruit for SpecialTypes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137124 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Move the construction of the RecordDecl representing the runtimeDouglas Gregor
layout of a constant NSString from the ASTContext over to CodeGen, since this is solely CodeGen's responsibility. Eliminates one of the unnecessary "special" types that we serialize. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137121 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Hand materialization of temporary expressions when emitting a scalarDouglas Gregor
expression. Fxies PR10592. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137086 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-08Fix typo so we don't use the wrong function for ending ObjC++ catch blocks ↵David Chisnall
(GNU runtimes) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137052 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-07Avoid fallthrough-branching to an inactive cleanup even if it'sJohn McCall
otherwise required. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137029 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-06Be sure to destroy the normal entry block of a cleanup that weJohn McCall
aren't actually going to make a normal cleanup for. Sometimes we optimistically create branches to such blocks for fixups, and then we resolve the fixup to somewhere within the cleanup's scope, and then the cleanup is actually not reachable for some reason. The process of resolving the fixup leaves us with switches whose default edge leads to the cleanup; we can replace that with unreachable, then (in many cases) turn the switch into an unconditional branch. Fixes PR10467. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137011 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-05The continue label in an ARC for-in loop should not involveJohn McCall
releasing the collection. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136949 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04Emit wide string literals with the appropriate alignment.John McCall
Patch by Craig Topper and Sundeep! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136856 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-03Use the general conditional-cleanup framework instead of rolling ourJohn McCall
own, incorrectly, for releasing objects at the end of a full-expression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136823 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-03Handle "homogeneous aggregates" as required by the ARM AAPCS-VFP ABI.Bob Wilson
A homogeneous aggregate is an aggregate data structure where after flattening any nesting there are 1 to 4 elements of the same base type that is either a float, double, or Neon vector. All Neon vectors of the same size, either 64 or 128 bits, are treated as equivalent for this purpose. When using the AAPCS-VFP ABI, check for homogeneous aggregates and pass them as arguments by expanding them into a sequence of their base types. This requires extending the existing support for expanded arguments to handle not only structs, but also constant arrays and complex types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136767 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-03When rewriting a call to a K&R function to lead to a well-prototypedJohn McCall
function, be sure to drop parameter attributes when dropping their associated arguments. Patch by Aaron Landwehr! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136753 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Implements alignment for long long and double types in va_arg on ARM AAPCS.Rafael Espindola
Patch by Jim (Ningjie) Chen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136734 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Update for LLVM change in PassManagerBuilder.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136728 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02PR10566: Make sure codegen for deleting an pointer to an incomplete type ↵Eli Friedman
actually works. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136703 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Revert "Re-enable byval for ARM in clang. rdar://problem/7662569"Bob Wilson
This reverts commit 67d097e1232b7d66f58989c16a45b8a11721f76e. We found a miscompile with ARM byval, which is still being investigated. In the meantime, this works around the problem by disabling ARM byval. Conflicts: lib/CodeGen/TargetInfo.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136662 91177308-0d34-0410-b5e6-96231b3b80d8
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