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2009-05-26Fixup codegen for volatile structs in the trivial cases (a a=a and a=a=a).Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72439 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-26Esnure that if we have a volatile structure as the destination, thatMike Stump
we actually have a destination. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72429 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23Propagate volatile for implicit property refernces.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72353 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23Propagate volatile around for property references.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72352 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23Track volatile aggregate copies better. I'm hoping someone else will decideMike Stump
how to get the backend to know that the operation is volatile. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72348 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23Fix thinko, and implement aggregate volatile reads.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23More volatile fixes. Can't testcase these yet as ultimately volatileMike Stump
is still ignored. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72344 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23Collapse a few FIXMEs together and refactor to make fixing the code easier.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72342 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23One step to fixing up codegen for a=b, where a is a volatile struct.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72315 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23Fix typo.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72308 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-19Have AggExprEmitter::VisitCXXConstructExpr make new variables if necessary. ↵Anders Carlsson
Stub out VisitCXXExprWithTemporaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72103 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Reflow some comments.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71937 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Make codegen for constructors work again.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70785 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25fix PR4067: [Linux kernel] cannot aggregate codegen stmtexpr as lvalue Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70067 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21fix PR4026: Clang can't codegen __func__ without implicit castChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69747 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-17Implement basic code generation of constructor calls. We can now compile:Anders Carlsson
struct S { S(int, int); }; void f() { S s(10, 10); } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69330 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13Minor work related to removing the assumption that value initialization Eli Friedman
implies an all-zero bit pattern. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68994 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-09Propagate the ASTContext to various AST traversal and lookup functions.Douglas Gregor
No functionality change (really). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68726 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-28Minor cleanup.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67896 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-22Remove dead code.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67477 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-18Add codegen support for aggregate BlockDeclRefExprs.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67207 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28brain thinking memcpy, fingers thinking memset :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65701 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-28after going around in circles a few times, finally cave and emit structureChris Lattner
copies with memcpy instead of memmove. This matches what GCC does and if it causes a problem with a particular libc we can always fix it with a target hook. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65699 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-18rip out __builtin_overloadChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64961 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-11Use EmitVAListRef instead of EmitLValue directly to handle array decayDaniel Dunbar
case on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29Make CodeGen produce an error if we come across a non-constant initializer ↵Douglas Gregor
list that involves the GNU array-range designator extension git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29Introduce a new expression node, ImplicitValueInitExpr, thatDouglas Gregor
represents an implicit value-initialization of a subobject of a particular type. This replaces the (ab)use of CXXZeroValueInitExpr within initializer lists for the "holes" that occur due to the use of C99 designated initializers. The new test case is currently XFAIL'd, because CodeGen's ConstExprEmitter (in lib/CodeGen/CGExprConstant.cpp) needs to be taught to value-initialize when it sees ImplicitValueInitExprs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63317 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29Clean up designated initialization of unions, so that CodeGen doesn'tDouglas Gregor
have to try to guess which member is being initialized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63315 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Improvements to code-generation and semantic analysis of designatedDouglas Gregor
initializers. - We now initialize unions properly when a member other than the first is named by a designated initializer. - We now provide proper semantic analysis and code generation for GNU array-range designators *except* that side effects will occur more than once. We warn about this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63253 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Code generation support for C99 designated initializers.Douglas Gregor
The approach I've taken in this patch is relatively straightforward, although the code itself is non-trivial. Essentially, as we process an initializer list we build up a fully-explicit representation of the initializer list, where each of the subobject initializations occurs in order. Designators serve to "fill in" subobject initializations in a non-linear way. The fully-explicit representation makes initializer lists (both with and without designators) easy to grok for codegen and later semantic analyses. We keep the syntactic form of the initializer list linked into the AST for those clients interested in exactly what the user wrote. Known limitations: - Designating a member of a union that isn't the first member may result in bogus initialization (we warn about this) - GNU array-range designators are not supported (we warn about this) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63242 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27Support CodeGen for __extension__ operator on aggregates.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-25Rename Expr::isConstantExpr to Expr::isConstantInitializer; this more Eli Friedman
accurately states what the function is trying to do and how it is different from Expr::isEvaluatable. Also get rid of a parameter that is both unused and inaccurate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62951 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15add codegen support to union castsNuno Lopes
init of static vars still not working. I'll get back to it tomorrow or so git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62278 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09Prevent a segfault for vaarg expressions on unsupported architectures.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62008 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-11Unifies the name-lookup mechanisms used in various parts of the ASTDouglas Gregor
and separates lexical name lookup from qualified name lookup. In particular: * Make DeclContext the central data structure for storing and looking up declarations within existing declarations, e.g., members of structs/unions/classes, enumerators in C++0x enums, members of C++ namespaces, and (later) members of Objective-C interfaces/implementations. DeclContext uses a lazily-constructed data structure optimized for fast lookup (array for small contexts, hash table for larger contexts). * Implement C++ qualified name lookup in terms of lookup into DeclContext. * Implement C++ unqualified name lookup in terms of qualified+unqualified name lookup (since unqualified lookup is not purely lexical in C++!) * Limit the use of the chains of declarations stored in IdentifierInfo to those names declared lexically. * Eliminate CXXFieldDecl, collapsing its behavior into FieldDecl. (FieldDecl is now a ScopedDecl). * Make RecordDecl into a DeclContext and eliminates its Members/NumMembers fields (since one can just iterate through the DeclContext to get the fields). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60878 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-02Disabling this code due to regression on test/CodeGen/bitfield.c. See Eli Friedman
PR3152. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60389 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-30Fix for PR2969: generate a memcpy from a constant for constant Eli Friedman
initializers. llvm-gcc appears to be more aggressive, but incorrect, for constructs like "const int a[] = {1,2,3};"; that said, current optimizers will do the appropriate optimizations when safe. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60270 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-22Implemented ir-gen for 'implicit' properties using the new AST nodes.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59886 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-22New AST node to access "implicit" setter/getter using property dor syntax.Fariborz Jahanian
Issuing diagnostics when assigning to read-only properties. This is work in progress. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59874 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-21reapply the (corrected) patch to use the new llvm intrinsics for ↵Chris Lattner
memcpy/memmove etc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59824 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-21temporarily revert Sangiv's patch.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59821 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-21mem[cpy,set,move] intrinsics are now overloaded.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59806 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-13Normalize many BasicBlock names.Daniel Dunbar
- Use dotted notation for blocks related to a particular statement type. - Use .end for landing pads. No functionality change in NDEBUG mode. :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59210 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-11Add CodeGenFunction::EmitBranch.Daniel Dunbar
- Emits an unconditional branch, with extra logic to avoid generating spurious branches out of dummy blocks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59037 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-11Centralize basic block creation in CodeGenFunction::createBasicBlock.Daniel Dunbar
- No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59017 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-04Implement lowering of va_arg in clang directly. (This is 32-bit X86 only for ↵Anders Carlsson
now). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58681 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-01Move IRBuilder type definition to common file.Daniel Dunbar
- No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58546 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-26make codegen reject initializes with designators, like this:Chris Lattner
t.c:1:13: error: cannot codegen this designators yet int a[10] = {2, 4, [8]=9, 10}; ^~~~~~~~~~~~~~~~~ git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58220 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Move EmitAggregate{Copy,Clear} into CodeGenFunction.Daniel Dunbar
- No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56010 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-30Stub out CodeGenFunction::EmitObjCForCollectionStmt.Anders Carlsson
Add CodeGenFunction::EmitMemSetToZero and make AggExprEmitter::EmitAggregateClear use it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55573 91177308-0d34-0410-b5e6-96231b3b80d8
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