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2009-04-27read all decls (and attributes and stmts/exprs referenced by the decl)Chris Lattner
from the DeclsCursor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70190 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27rename GetStmt -> GetDeclStmt to make it clear that the stmt readChris Lattner
is part of a decl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70189 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27change the interface to ReadStmt to force clients to pass a cursor in to ↵Chris Lattner
read from. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70188 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27split decl reading out to its own PCHReaderDecl.cpp file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70187 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27split stmt/expr deserialization out to PCHReaderStmt.cppChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70186 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27rdar://6827200 - [sema] reject statically allocated arrays of interface typesChris Lattner
Upgrade "array of interface" warning to an error. In addition to being a terrible idea, this crashes codegen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70178 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Change our silencing of C typedef redefinition handling to what we hadChris Lattner
before r69391: typedef redefinition is an error by default, but if *either* the old or new definition are from a system header, we silence it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70177 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Set up DeclsCursor.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70173 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27fix a comment by starting stmts/exprs after types and decls.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70171 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27make -Wtypedef-redefinition an extwarn instead of defaultingChris Lattner
to error, doing this breaks too many programs (e.g. Adium). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70170 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26make llvm-bcanalyzer dump out PCH files symbolically. We should probablyChris Lattner
eventually get an option to turn this off, but it is nice for looking at statistics. For example, the types block now prints: Block ID #11 (TYPES_BLOCK_ID): Num Instances: 1 Total Size: 895100b/111888B/27971.9W % of file: 1.55801 Num SubBlocks: 0 Num Abbrevs: 0 Num Records: 14899 % Abbrev Recs: 0 Code Histogram: 5478 TYPE_FUNCTION_PROTO 2683 TYPE_TYPEDEF 2460 TYPE_POINTER 2047 TYPE_ENUM 1553 TYPE_RECORD 283 TYPE_CONSTANT_ARRAY 274 TYPE_OBJC_INTERFACE 76 TYPE_INCOMPLETE_ARRAY 10 TYPE_VECTOR 9 TYPE_OBJC_QUALIFIED_ID 5 TYPE_FUNCTION_NO_PROTO 5 TYPE_EXT_QUAL 3 TYPE_TYPEOF_EXPR git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70166 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Some fixes for PCH (de-)serialization of Objective-C AST nodes:Douglas Gregor
- Deal with the Receiver/ClassInfo shared storage in ObjCMessageExpr - Implement PCH support for ImplicitParamDecl - Fix the handling of the body of an ObjCMethodDecl - Several cast -> cast_or_null fixes - Make Selector::getIdentifierInfoForSlot work for 1-argument, NULL selectors. - Make Selector::getAsString() work with NULL selectors. - Fix the names of VisitObjCAtCatchStmt and VisitObjCAtFinallyStmt in the PCH reader and writer; these were never getting called. At this point, all of the pch-test tests pass for C and Objective-C. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70163 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Add a bit more handling for declarations like "int a[*]".Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70162 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Adjust to LLVM API changes that went into r70157.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70158 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Implement function-try-blocks. However, there's a very subtle bug that I ↵Sebastian Redl
can't track down. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70155 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Remove getIntegerConstantExprValue in favor of using EvaluateAsInt.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70145 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Add PCH read/write support for ObjC statements.Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70143 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26implement PR4077: [Linux kernel] inscrutable error on inline asm ↵Chris Lattner
input/output constraint mismatch Before we emitted: $ clang t.c -S -m64 llvm: error: Unsupported asm: input constraint with a matching output constraint of incompatible type! Now we produce: $ clang t.c -S -m64 t.c:5:40: error: unsupported inline asm: input with type 'unsigned long' matching output with type 'int' asm volatile("foo " : "=a" (a) :"0" (b)); ~~~ ~^~ git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70142 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26in a tied operand, don't copy over the name or constraint string, just the ↵Chris Lattner
flags. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70137 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26pull operands names "[foo]" into ConstraintInfo.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70136 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26pull the constraint string into the ConstraintInfo structChris Lattner
instead of passing it around in addition to it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70135 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Update StmtNodes.def with the new base class of CXXTemporaryObjectExprSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70122 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Add missing include. This fixes the build with gcc 4.3.3.Torok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70115 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26change TargetInfo::ConstraintInfo to be a struct that containsChris Lattner
the enum along with some other data. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70114 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26When writing a PCH file, write multiple type and declaration blocks asDouglas Gregor
necessary and iterate until all types and declarations have been written. This reduces the Cocoa.h PCH file size by about 4% (since we don't write types we don't need), and fixes problems where writing a declaration generates a new type. This doesn't seem to have any impact on performance either way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70109 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Split C++ statements out to their own file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70107 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26split ObjC and C++ Statements out into their own headers.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70105 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Driver: Add -std-default= option.Daniel Dunbar
- This can be used to supply a default value for -std=; the idea is that this can be used in conjunction with CCC_ADD_ARGS or QA_OVERRIDE_GCC3_OPTIONS to change the default without having to modify the build system. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70102 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Add option for AddAllArgsTranslated to control whether output argumentDaniel Dunbar
should be joined or separate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26implement PCH support for the rest of ExprObjC.h, includingChris Lattner
the missing bits of ObjCMessageExpr. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70100 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Don't read all of the records in the PCH file's preprocessor block,Douglas Gregor
most of which are ignored. Instead, move the __COUNTER__ value out to a PCH-level record (since it is handled eagerly) and move the header file information into the SourceManager block (which is also, currently, loaded eagerly). This results in another 17% performance improvement in the Cocoa-prefixed "Hello, World" with PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70097 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Fix for PR4074: allow subscripting non-lvalue arrays in C90 mode.Eli Friedman
I wasn't originally going to use this approach, but cases like test/Sema/expr-comma.c make things difficult. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Lazily load the controlling macros for all of the headers known in theDouglas Gregor
PCH file. In the Cocoa-prefixed "Hello, World" benchmark, this takes us from reading 503 identifiers down to 37 and from 470 macros down to 4. It also results in an 8% performance improvement. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70094 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25minor diagnostics improvements.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70092 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25fix PR4073 by making designated initializer checking code useChris Lattner
VerifyIntegerConstantExpression instead of isIntegerConstantExpr. This makes it ext-warn but tolerate things that fold to a constant but that are not valid i-c-e's. There must be a bug in the i-c-e computation though, because it doesn't catch this case even with pedantic. This also switches the later code to use EvaluateAsInt which is simpler and handles everything that evaluate does. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70081 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Revert my changes that try to avoid creating StringMap entries forDouglas Gregor
identifiers. They don't yet work, but will inhibit future optimizations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Start implementing the PTH IdentifierInfo-saving trick in PCH,Douglas Gregor
allocating IdentifierInfos with a pointer into the string data stored in the PCH file rather than having an entry in the identifier table's string map. However, we don't actually get these savings at the moment, because we go through the IdentifierTable when loading identifiers from the on-disk hash table. This commit is for record-keeping purposes only. I'll be reverting this change (and the PCH layout tweak that preceded it) because it appears that implementing this optimization will collide with another, future optimization to reduce the size of the on-disk hash table for identifiers. That optimization is likely to provide more benefit (with less voodoo). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70070 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Write the identifier offsets array into the PCH file as a blob, soDouglas Gregor
that the PCH reader does not have to decode the VBR encoding at PCH load time. Also, reduce the size of the identifier offsets from 64 bits down to 32 bits. The identifier table itself isn't going to grow to more than 4GB :) Overall, this results in a 13% speedup in the Cocoa-prefixed "Hello, World" benchmark. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70063 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25improve a diagnostic to make more sense.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70062 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25accept an ignore the no_instrument_function attribute. Since we don'tChris Lattner
support -pg, we never instrument :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70061 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Write the declaration and type offset arrays into the bitstream asDouglas Gregor
blobs, so that we don't need to do any work to get these arrays into memory at PCH load time. This gives another 19% performance improvement to the Cocoa-prefixed "Hello, World!". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70059 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Load the selector table lazily from the PCH file. Douglas Gregor
This results in a 10% speedup on the Cocoa-prefixed "Hello, World!", all of which is (not surprisingly) user time. There was a tiny reduction in the size of the PCH file for Cocoa.h, because certain selectors aren't being written twice. I'm using two new tricks here that I'd like to replicate elsewhere: (1) The selectors not used in the global method pool are packed into the blob after the global method pool's on-disk hash table and stored as keys, so that all selectors are in the same blob. (2) We record the offsets of each selector key when we write it into the global method pool (or after it, in the same blob). The offset table is written as a blob, so that we don't need to pack/unpack a SmallVector with its contents. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70055 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Add PCH support for ObjCMessageExpr (needed to build Mail).Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70044 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25This is a pretty big cleanup for how invalid decl/type are handle.Chris Lattner
This gets rid of a bunch of random InvalidDecl bools in sema, changing us to use the following approach: 1. When analyzing a declspec or declarator, if an error is found, we set a bit in Declarator saying that it is invalid. 2. Once the Decl is created by sema, we immediately set the isInvalid bit on it from what is in the declarator. From this point on, sema consistently looks at and sets the bit on the decl. This gives a very clear separation of concerns and simplifies a bunch of code. In addition to this, this patch makes these changes: 1. it renames DeclSpec::getInvalidType() -> isInvalidType(). 2. various "merge" functions no longer return bools: they just set the invalid bit on the dest decl if invalid. 3. The ActOnTypedefDeclarator/ActOnFunctionDeclarator/ActOnVariableDeclarator methods now set invalid on the decl returned instead of returning an invalid bit byref. 4. In SemaType, refering to a typedef that was invalid now propagates the bit into the resultant type. Stuff declared with the invalid typedef will now be marked invalid. 5. Various methods like CheckVariableDeclaration now return void and set the invalid bit on the decl they check. There are a few minor changes to tests with this, but the only major bad result is test/SemaCXX/constructor-recovery.cpp. I'll take a look at this next. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70020 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25rename getNumParmVarDeclsFromType back to getNumParams(),Chris Lattner
remove a special case that was apparently for typeof() and generalize the code in SemaDecl that handles typedefs to handle any sugar type (including typedef, typeof, etc). Improve comment to make it more clear what is going on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70015 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25add a new helper function to FunctionDecl instead of it beingChris Lattner
static in Decl.cpp. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70014 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Make sure that the consumer sees all interested decls. This fixes PreviewDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70007 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Add new checker-specific attribute 'objc_ownership_retain'. This isn't hooked upTed Kremenek
to the checker yet, but essentially it allows a user to specify that an Objective-C method or C function increments the reference count of a passed object. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70005 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24reject explicit pointer arithmetic on interface pointers in 64-bit objc ABIChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70004 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Add new checker-specific attribute 'objc_ownership_returns'. This isn't hookedTed Kremenek
up to the checker yet, but essentially it allows a user to specify that an Objective-C method or C function returns an owned an Objective-C object. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70001 91177308-0d34-0410-b5e6-96231b3b80d8
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