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path: root/lib/CodeGen/CGDecl.cpp
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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
2011-07-28Fix a couple of problems with initialization and assignment toJohn McCall
__block variables where the act of initialization/assignment itself causes the __block variable to be copied to the heap because the variable is of block type and is being assigned a block literal which captures the variable. rdar://problem/9814099 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename getInstantiationLineNumber to getExpansionLineNumber in bothChandler Carruth
SourceManager and FullSourceLoc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135969 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23remove unneeded llvm:: namespace qualifiers on some core types now that ↵Chris Lattner
LLVM.h imports them into the clang namespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Convert IRBuilder::CreateGEP and IRBuilder::CreateInBoundsGEP to useJay Foad
ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135761 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
2011-07-13Okay, 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
2011-07-12Generalize 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
2011-07-11Fix 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
2011-07-09More compiler workarounds. I have to admit that I was notJohn McCall
expecting so much concentrated oddity on what seemed like a trivial feature. Thanks to François Pichet for doing the MSVC legwork here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134813 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09GCC 4.2 compatibility hack.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134785 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
2011-07-01Don't zero-initialize default-initialized local variables that haveDouglas Gregor
trivial default constructors. This generated-code regression was caused by r131796, which had simplified the handling of default initialization in Sema. Fixes <rdar://problem/9694300>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134260 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29objc-arc: fix a IRGen crash when checking forFariborz Jahanian
accessibility of an initializer which is a compound statement. // rdar://9694706 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134091 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
2011-06-18Remove dead variables.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133346 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
2011-06-15Suppress a warning in -Asserts builds.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133110 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
2011-06-15Do not emit stoppoint before emitting debug info for parameters.Devang Patel
- llvm.dbg.declare already receives line number information from ParmDecl - Additional extra stoppoint messes up gdb's understanding of where function body starts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133065 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-04Rework r132576.Devang Patel
Emit debug info only if there is an insertion point. The debug info should not force an insertion point. Codegen may later on decide to not emit code for some reason, see extensive comment in CodeGenFunction::EmitStmt(), and debug info should not get in the way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132610 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-03Emit debug info only if there is an insertion point. The debug info should ↵Devang Patel
not force an insertion point. Codegen may later on decide to not emit code for some reason, see extensive comment in CodeGenFunction::EmitStmt(), and debug info should not get in the way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132576 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Add unnamed_addr to internal globals which are only used as an operand to ↵Eli Friedman
memcpy. (Spotted by looking at IR.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132226 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05Implement support for C++0x alias templates.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130953 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Simplify code a bit by using CallArgList::add. No intended functionality ↵Eli Friedman
change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130699 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Support for C++11 (non-template) alias declarations.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129567 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-05Fix typo.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128921 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
2011-03-18Add support for language-specific address spaces. On top of that,Peter Collingbourne
add support for the OpenCL __private, __local, __constant and __global address spaces, as well as the __read_only, _read_write and __write_only image access specifiers. Patch originally by ARM; language-specific address space support by myself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127915 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
2011-03-06Revert r126422 "Use private linkage to avoid symbol conflicts inDouglas Gregor
corner cases like the one in PR9301." which caused PR9416. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127136 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 r126858.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126874 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
2011-02-24Use private linkage to avoid symbol conflicts in corner cases like the oneRafael Espindola
in PR9301. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126422 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Emit the structure layout of the block literal parameter to a blockJohn McCall
invocation function into the debug info. Rather than faking up a class, which is tricky because of the custom layout we do, we just emit a struct directly from the layout information we've already got. Also, don't emit an unnecessarily parameter alloca for this "variable". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126255 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
2011-02-22Reorganize the emission of local variables.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126189 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18The flags we're supposed to write into a byref struct are *not* theJohn McCall
_Block_object_* flags; it's just BLOCK_HAS_COPY_DISPOSE or not. Also, we don't need to chase forwarding pointers prior to calling _Block_object_dispose; _Block_object_dispose in fact already does this. rdar://problem/9006315 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125823 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18implement basic support for __label__. I wouldn't be shocked if there areChris Lattner
bugs from other clients that don't expect to see a LabelDecl in a DeclStmt, but if so they should be easy to fix. This implements most of PR3429 and rdar://8287027 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125817 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17Step #1/N of implementing support for __label__: split labels intoChris Lattner
LabelDecl and LabelStmt. There is a 1-1 correspondence between the two, but this simplifies a bunch of code by itself. This is because labels are the only place where we previously had references to random other statements, causing grief for AST serialization and other stuff. This does cause one regression (attr(unused) doesn't silence unused label warnings) which I'll address next. This does fix some minor bugs: 1. "The only valid attribute " diagnostic was capitalized. 2. Various diagnostics printed as ''labelname'' instead of 'labelname' 3. This reduces duplication of label checking between functions and blocks. Review appreciated, particularly for the cindex and template bits. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125733 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16Ensure that the NRVO flag has some block to insert into. Fixes PR9178!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125694 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16Simplify test to check an aggregate argument that has non trivial ↵Devang Patel
constructor or destructor. This patch rewrites r125142. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125632 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15Assorted cleanup:John McCall
- Have CGM precompute a number of commonly-used types - Have CGF copy that during initialization instead of recomputing them - Use TBAA info when initializing a parameter variable - Refactor the scalar ++/-- code git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125562 91177308-0d34-0410-b5e6-96231b3b80d8
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