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2011-07-20now that we have a centralized place to do so, add some using declarations forChris Lattner
some common llvm types: stringref and smallvector. This cleans up the codebase quite a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135576 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18de-constify llvm::Type, patch by David Blaikie!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135370 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-15Convert CallInst and InvokeInst APIs to use ArrayRef.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135265 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-13Okay, that rule about zero-length arrays applies to destroyingJohn McCall
them, too. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135038 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-13Aggressive dead code elimination.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135029 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-13Generalize the routine for destroying an object with staticJohn McCall
storage duration, then explicitly exempt ownership-qualified types from it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-12Generalize Cleanup::Emit's "isForEH" parameter into a setJohn McCall
of flags. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134997 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-12Switch field destruction over to use the new destroyer-based APIJohn McCall
and kill a lot of redundant code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134988 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-12insert a bitcast in the 'expand' case of argument passing when needed. ThisChris Lattner
fixes the -m32 build of oggenc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134971 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-12Do full-expression cleanups in a much more sensible way that still letsJohn McCall
people write useful cleanup classes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134942 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-11Fix a lot of problems with the partial destruction of arrays:John McCall
- an off-by-one error in emission of irregular array limits for InitListExprs - use an EH partial-destruction cleanup within the normal array-destruction cleanup - get the branch destinations right for the empty check Also some refactoring which unfortunately obscures these changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134890 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09clang side to match the LLVM IR type system rewrite patch.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09A number of array-related IR-gen cleanups.John McCall
- Emit default-initialization of arrays that were partially initialized with initializer lists with a loop, rather than emitting the default initializer N times; - support destroying VLAs of non-trivial type, although this is not yet exposed to users; and - support the partial destruction of arrays initialized with initializer lists when an initializer throws an exception. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134784 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25LValue carries a type now, so simplify the main EmitLoad/Store APIsJohn McCall
by removing the redundant type parameter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133860 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-24Honor objc_precise_lifetime in GC mode by feeding the valueJohn McCall
in the variable to an inline asm which gets run when the variable goes out of scope. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133840 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-24Change the IR-generation of VLAs so that we capture bounds,John McCall
not sizes; so that we use well-typed allocas; and so that we properly recurse through the full set of variably-modified types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133827 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22When binding a reference to an Automatic Reference Counting temporary,Douglas Gregor
retain/release the temporary object appropriately. Previously, we would only perform the retain/release operations when the reference would extend the lifetime of the temporary, but this does the wrong thing across calls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133620 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22Emit @finally blocks completely lazily instead of forcing theirJohn McCall
existence by always threading an edge from the catchall. Not doing this was previously causing a crash in the very extreme case where neither the normal cleanup nor the EH catchall was actually reachable: we would delete the catchall entry block, which would cause us to delete the entry block of the finally cleanup as well because the cleanup logic would merge the blocks, which in turn triggered an assert because later blocks in the finally would still be using values from the entry. Laziness turns out to be the most elegant solution to the problem. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133601 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21Introduce a new AST node describing reference binding to temporaries.Douglas Gregor
MaterializeTemporaryExpr captures a reference binding to a temporary value, making explicit that the temporary value (a prvalue) needs to be materialized into memory so that its address can be used. The intended AST invariant here is that a reference will always bind to a glvalue, and MaterializeTemporaryExpr will be used to convert prvalues into glvalues for that binding to happen. For example, given const int& r = 1.0; The initializer of "r" will be a MaterializeTemporaryExpr whose subexpression is an implicit conversion from the double literal "1.0" to an integer value. IR generation benefits most from this new node, since it was previously guessing (badly) when to materialize temporaries for the purposes of reference binding. There are likely more refactoring and cleanups we could perform there, but the introduction of MaterializeTemporaryExpr fixes PR9565, a case where IR generation would effectively bind a const reference directly to a bitfield in a struct. Addresses <rdar://problem/9552231>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133521 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Objective-C fast enumeration loop variables are not retained in ARC, butJohn McCall
they should still be officially __strong for the purposes of errors, block capture, etc. Make a new bit on variables, isARCPseudoStrong(), and set this for 'self' and these enumeration-loop variables. Change the code that was looking for the old patterns to look for this bit, and change IR generation to find this bit and treat the resulting variable as __unsafe_unretained for the purposes of init/destroy in the two places it can come up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133243 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16Restore correct use of GC barriers.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133144 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Automatic Reference Counting.John McCall
Language-design credit goes to a lot of people, but I particularly want to single out Blaine Garst and Patrick Beard for their contributions. Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself, in no particular order. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-28Convert Clang over to resuming from landing pads with llvm.eh.resume.John McCall
It's quite likely that this will explode, but I need to know how. :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132269 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Back out r132209; it's breaking nightly tests.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132219 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Implement a new, much improved version of the cleanup hack. We just needJohn McCall
to be careful to emit landing pads that are always prepared to handle a cleanup path. This is correct mostly because of the fix to the LLVM inliner, r132200. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Fix location of setter/getter synthesized for a property.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131701 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Make CGF.getContext() inlinable, because it's trivial, and optimizeJohn McCall
hasAggregateLLVMType. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-08Move code to emit the callee of an CXXOperatorCallExpr out into a separate ↵Anders Carlsson
function in CGClass.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131075 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-06Add an implementation of thunks for varargs methods. The implementation is ↵Eli Friedman
a bit messy, but it is correct as long as the method in question doesn't use indirect gotos. A couple of possible alternative implementations are outlined in FIXME's in this patch. rdar://problem/8077308 . git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130993 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-01Fully implement delegating constructors!Sean Hunt
As far as I know, this implementation is complete but might be missing a few optimizations. Exceptions and virtual bases are handled correctly. Because I'm an optimist, the web page has appropriately been updated. If I'm wrong, feel free to downgrade its support categories. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130642 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-17implement rdar://9289524 - case followed immediately by break results in ↵Chris Lattner
empty IR block, a -O0 code quality issue. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129652 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15fix a bunch of comment typos found by codespell. Patch byChris Lattner
Luis Felipe Strano Moraes! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129559 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Add support for C++0x's range-based for loops, as specified by the C++11 ↵Richard Smith
draft standard (N3291). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129541 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-31After much contemplation, I've decided that we probably shouldn't "unique"John McCall
__block object copy/dispose helpers for C++ objects with those for different variables with completely different semantics simply because they happen to both be no more aligned than a pointer. Found by inspection. Also, internalize most of the helper generation logic within CGBlocks.cpp, and refactor it to fit my peculiar aesthetic sense. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128618 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-31Move all the significant __block code into CGBlocks.cpp. No functionalityJohn McCall
change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128608 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Convert OffsetFromNearestVBast parameter of InitializeVTablePointer(s) toKen Dyck
CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128129 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-11Use a slightly more semantic interface for emitting call arguments.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127494 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-09Use the "undergoes default argument promotion" bit on parameters toJohn McCall
simplify the logic of initializing function parameters so that we don't need both a variable declaration and a type in FunctionArgList. This also means that we need to propagate the CGFunctionInfo down in a lot of places rather than recalculating it from the FAL. There's more we can do to eliminate redundancy here, and I've left FIXMEs behind to do it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08Extract a function to emit an arbitrary expression as if it were the initializerJohn McCall
for a local variable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07DebugInfo can be enabled or disabled at function level (e.g. using an ↵Devang Patel
attribute). However, at module level it is determined by command line option and the state of command line option does not change during compilation. Make this layering explicit and fix accidental cases where the code generator was checking whether module has debug info enabled instead of checking whether debug info is enabled for this function or not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127165 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Encode argument numbering in debug info so that code generator can emit them ↵Devang Patel
in order. This fixes few blocks.exp regressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126960 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Revert "Add CC_Win64ThisCall and set it in the necessary places."Tilmann Scheller
This reverts commit 126863. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126886 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02revert r126858.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126874 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Add CC_Win64ThisCall and set it in the necessary places.Tilmann Scheller
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126863 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Encode argument numbering in debug info so that code generator can emit them ↵Devang Patel
in order. This fixes few blocks.exp regressions. Reapply r126795 with a fix (one character change) for gdb testsuite regressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126858 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Revert r126794.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126848 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01Encode argument numbering in debug info so that code generator can emit them ↵Devang Patel
in order. This fixes few blocks.exp regressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126795 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-28Add some helper methods that will be used in my next patch.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126596 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-27Change the interface to ConstantFoldsToSimpleInteger to not encode Chris Lattner
a bool + success into one tri-state integer, simplifying things. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126592 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Establish the iteration variable of an ObjC for-in loop beforeJohn McCall
emitting the collection expression. Fixes some really, really broken code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126193 91177308-0d34-0410-b5e6-96231b3b80d8
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