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2011-11-10Add missing dependency for shared library build to CMakeLists. Patch by ↵Eli Friedman
Johannes Obermayr. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144310 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10Whenever explicitly activating or deactivating a cleanup, weJohn McCall
need to provide a 'dominating IP' which is guaranteed to dominate the (de)activation point but which cannot be avoided along any execution path from the (de)activation point to the push-point of the cleanup. Using the entry block is bad mojo. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144276 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10Fix a subtle bug with cleanups: when activatingJohn McCall
a previously-inactive cleanup, not only do we need a flag variable, but we should also force the cleanup to query the flag variable. However, we only need to do this when we're activating in a context that's conditionally executed; otherwise, we may safely assume that the cleanup is dominated by the activation point. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144271 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10Enter the cleanups for a block outside the enclosingJohn McCall
full-expression. Naturally they're inactive before we enter the block literal expression. This restores the intended behavior that blocks belong to their enclosing scope. There's a useful -O0 / compile-time optimization that we're missing here with activating cleanups following straight-line code from their inactive beginnings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144268 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10Constant expression evaluation: support for evaluation of structs and unions ofRichard Smith
literal types, as well as derived-to-base casts for lvalues and derived-to-virtual-base casts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144265 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10Reflow lines, remove else-if after returns, rename variable "TydefContext" toNick Lewycky
"TypedefContext". No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144248 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Remove unnecessary include.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144210 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Reflow one line I missed in previous cleanup commit. No functionality change.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144168 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Minor cleanup, mostly reindenting. Remove one helper function that just calledNick Lewycky
the other helper functions, since we already differentiated the cases it was testing between. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144167 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Emit the copy and dipose helpers for ARC __strongJohn McCall
block-typed __block variables using objc_retainBlock and objc_dispose. Previously we were using _Block_object_assign and _Block_object_destroy with BLOCK_BYREF_CALLER, which causes the runtime to completely ignore the retain and release. In most cases this doesn't cause catastrophe because the retain/release are balanced and because the block in the variable was copied upon assignment there. However, the stack copy of the variable will be released when it goes out of scope, which is a problem if that value was released due to an assignment to the heap copy. Similarly, a leak can occur if the variable is assigned after the copy to the heap. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144162 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08Bind function "r-values" as l-values when emitting them asJohn McCall
opaque values. Silly C type system. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144144 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08Fix the layout of vb-tables and vf-tables in the MS C++ ABI.John McCall
Based on work by Dmitry Sokolov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144072 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08lib/CodeGen/CGBuiltin.cpp: Tweak the identifier "Type" to appease msvc.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144065 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08Clean up type flags for overloaded Neon builtins. No functional change.Bob Wilson
This patch just adds a simple NeonTypeFlags class to replace the various hardcoded constants that had been used until now. Unfortunately I couldn't figure out a good way to avoid duplicating that class between clang and TableGen, but since it's small and rarely changes, that's not so bad. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-07Constant expression evaluation: support for arrays.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143922 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-07Rip out CK_GetObjCProperty.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143910 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-07Rip the ObjCPropertyRef l-value kind out of IR-generation.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143908 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-06Change the AST representation of operations on Objective-CJohn McCall
property references to use a new PseudoObjectExpr expression which pairs a syntactic form of the expression with a set of semantic expressions implementing it. This should significantly reduce the complexity required elsewhere in the compiler to deal with these kinds of expressions (e.g. IR generation's special l-value kind, the static analyzer's Message abstraction), at the lower cost of specifically dealing with the odd AST structure of these expressions. It should also greatly simplify efforts to implement similar language features in the future, most notably Managed C++'s properties and indexed properties. Most of the effort here is in dealing with the various clients of the AST. I've gone ahead and simplified the ObjC rewriter's use of properties; other clients, like IR-gen and the static analyzer, have all the old complexity *and* all the new complexity, at least temporarily. Many thanks to Ted for writing and advising on the necessary changes to the static analyzer. I've xfailed a small diagnostics regression in the static analyzer at Ted's request. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Use a single integer type for a sub-doubleword part of a byval structure.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143666 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Fix alignment on alloca's for parameters using ABIArgInfo::Expand. Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143658 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Fix the alignment on scalar parameter variables so that it matches what the ↵Eli Friedman
AST thinks it should be. Per report on cfe-dev. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143645 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Do not add "byval" attribute to records with non-trivial copy constructorsJan Wen Voung
and destructors in the DefaultABIInfo. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143601 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Set MinABIStackAlignInBytes to 8 if ABI is N32/64.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143597 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Convert the type of a structure passed by value if it has double precisionAkira Hatanaka
fields in order to ease handling of such structures in backend. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143596 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Return function results whose size is smaller than 128-bits in registers if ABIAkira Hatanaka
is N32/64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143589 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02back out changes in r143399 and r143475.Fariborz Jahanian
rvale-references are captured by reference in blocks. // rdar://9971124. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143583 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Check for homogeneous aggregate return values with ARM's AAPCS-VFP ABI.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143530 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Fix the representation of wide strings in the AST and IR so that it uses the ↵Eli Friedman
native representation of integers for the elements. This fixes a bunch of nastiness involving treating wide strings as a series of bytes. Patch by Seth Cantrell. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143417 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Adds IRGen support for captured rvalue references in blocks.Fariborz Jahanian
In this case, temporary value is copied into block descriptor as their own copy to work on. // rdar://9971124 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143399 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31In x86_64, when calling an Objective-C method that returns a _Complex long ↵Anders Carlsson
double, make sure to use the objc_msgSend_fp2ret function which ensures that the return value will be {0, 0} if the receiver is nil. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143350 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Turn on the new .file directive when appropriate, instead of turning it off.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143327 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-30Add support for lazily linking bitcode files (using a newPeter Collingbourne
-mlink-bitcode-file flag), and more generally llvm::Modules, before running optimisations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-29Rename Expr::Evaluate to Expr::EvaluateAsRValue to make it clear that it willRichard Smith
implicitly perform an lvalue-to-rvalue conversion if used on an lvalue expression. Also improve the documentation of Expr::Evaluate* to indicate which of them will accept expressions with side-effects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143263 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28In case of template specialization, do not try to delay emitting debug info ↵Devang Patel
for concrete type in -flimit-debug-info mode. This fixes some of the failures from bs15503.exp tests in gdb testsuite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28Fix PR9614 for functions with the always_inline attribute. Try to keepRafael Espindola
the common case (-O0, no always_inline) fast. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143222 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28It turns out that the Objective-C message lookup functions can throw ↵David Chisnall
exceptions after all... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143205 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27Annotate imprecise FP division with fpaccuracy metadataPeter Collingbourne
The OpenCL single precision division operation is only required to be accurate to 2.5ulp. Annotate the fdiv instruction with metadata which signals to the backend that an imprecise divide instruction may be used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143136 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26Objective-c: fix an ir-gen crash where objc messag returns a _ComplexFariborz Jahanian
value and ABI requires return slot to be passed as first argument to message sent. // rdar://10331109 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143053 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26Fix pr9614 by not emitting an available_externally function when it callsRafael Espindola
itself via an asm label. available_externally functions are supposed to correspond to an external function, and that is not the case in the examples in pr9614. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143049 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Restore r142914 and r142915, now with missing file and apparentJohn McCall
GCC compiler workaround. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142931 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Revert r142914 and r142915, due to possibly missing file.NAKAMURA Takumi
r142914: "Introduce a placeholder type for "pseudo object"" r142915: "Pull the pseudo-object stuff into its own file." git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Change an int64_t to an intptr_t so that we don't end up with crashes in the ↵David Chisnall
back end on large classes on 32-bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142918 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Introduce a placeholder type for "pseudo object"John McCall
expressions: expressions which refer to a logical rather than a physical l-value, where the logical object is actually accessed via custom getter/setter code. A subsequent patch will generalize the AST for these so that arbitrary "implementing" sub-expressions can be provided. Right now the only client is ObjC properties, but this should be generalizable to similar language features, e.g. Managed C++'s __property methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142914 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Implement support for dependent Microsoft __if_exists/__if_not_existsDouglas Gregor
statements. As noted in the documentation for the AST node, the semantics of __if_exists/__if_not_exists are somewhat different from the way Visual C++ implements them, because our parsed-template representation can't accommodate VC++ semantics without serious contortions. Hopefully this implementation is "good enough". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142901 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Remove the SystemZ backend.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142879 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Do not drop type qualifiers in -flimit-debug-info mode.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142873 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Don't try to emit CK_LValueBitCast casts as constants. PR9558.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142863 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Fix mismatched new[]/delete[].Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142803 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Remove debugging printfs that some idiot left in.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142796 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Enable experimental support for objc_msgSend with GNUstep ObjC runtime.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142795 91177308-0d34-0410-b5e6-96231b3b80d8
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