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2009-04-28Fix additional issues pointed out in PR4088.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70305 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Improve compatibility with GCC regarding inline semantics in GNU89Douglas Gregor
mode and in the presence of __gnu_inline__ attributes. This should fix both PR3989 and PR4069. As part of this, we now keep track of all of the attributes attached to each declaration even after we've performed declaration merging. This fixes PR3264. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70292 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Remove unused LangOptions NoExtensions and Boolean.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70282 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Simplify the scheme used for keywords, and change the classification Eli Friedman
scheme to be more useful. The new scheme introduces a set of categories that should be more readable, and also reflects what we want to consider as an extension more accurately. Specifically, it makes the "what is a keyword" determination accurately reflect whether the keyword is a GNU or Microsoft extension. I also introduced separate flags for keyword aliases; this is useful because the classification of the aliases is mostly unrelated to the classification of the original keyword. This patch treats anything that's in the implementation namespace (prefixed with "__", or "_X" where "X" is any upper-case letter) as a keyword without marking it as an extension. This is consistent with the standards in that an implementation is allowed to define arbitrary extensions in the implementation namespace without violating the standard. This gets rid of all the nasty "extension used" warnings for stuff like __attribute__ in -pedantic mode. We still warn for extensions outside of the the implementation namespace, like typeof. If someone wants to implement -Wextensions or something like that, we could add additional information to the keyword table. This also removes processing for the unused "Boolean" language option; such an extension isn't supported on any other C implementation, so I don't see any point to adding it. The changes to test/CodeGen/inline.c are required because previously, we weren't actually disabling the "inline" keyword in -std=c89 mode. I'll remove Boolean and NoExtensions from LangOptions in a follow-up commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Don't allow blocks to be declared as returning an array. Radar 6441502Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70277 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28CFG:Ted Kremenek
- Add 'LoopTarget' pointer field to CFGBlock. This records if the block is used as the 'loop back' path back to the head of a loop. - For ForStmt, encode the loop back target as the increment code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27A couple more small changes which are probably required for Cygwin Eli Friedman
builds to work (PR4088). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70269 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Attempt to fix reported build error on Cygwin, PR4088.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70268 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Add a header containing the Clang version; make the driver use thisDouglas Gregor
Clang version value rather than hard-coding "1.0". Add PCH and Clang version information into the PCH file. Reject PCH files with the wrong version information. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70264 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Teach PCH that ASTContext is optional. Move -parse-noop and -Eonly (so far)Chris Lattner
processing to after PCH is loaded. -Eonly and -parse-noop are close to working with PCH now but are not quite there yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70257 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Track down return statements in the handlers of a function-try-block of ↵Sebastian Redl
constructors. Meh ... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70256 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Be more careful in our teardown of the PCHReader after deciding toDouglas Gregor
ignore a PCH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70251 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Improve validation of C++ exception handling: diagnose throwing incomplete ↵Sebastian Redl
types and jumps into protected try-catch scopes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70242 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Add Sema::ExtVectorDecls and Sema::ObjCCategoryImpls to the PCH file. Since ↵Douglas Gregor
these vectors are very, very rarely used and, when used in headers, and even when used are relatively small, we load them eagerly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70240 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Add two new checker-specific attributes: 'objc_ownership_release' andTed Kremenek
'objc_ownership_cfrelease'. These are the 'release' equivalents of 'objc_ownership_retain' and 'objc_ownership_cfretain' respectively. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70235 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27shrink SOURCE_LOCATION_OFFSETS to use 4-byte entries instead of 8-byteChris Lattner
entries, shaving 100K off the PCH file for cocoa. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70228 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Implement caching of stat() calls for precompiled headers, which isDouglas Gregor
essentially the same thing we do with pretokenized headers. stat() caching improves performance of the Cocoa-prefixed "Hello, World" by 45%. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70223 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Add new checker-specific attribute 'objc_ownership_cfretain'. This is the sameTed Kremenek
as 'objc_ownership_cfretain' except that the method acts like a CFRetain instead of a [... retain] (important in GC modes). Checker support is wired up, but currently only for Objective-C message expressions (not function calls). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70218 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27encode the type and decl offsets with 32-bits for entry insteadChris Lattner
of 64 bits. This cuts 400KB off the PCH file for cocoa (7.1 -> 6.7MB): Before: Record Histogram: Count # Bits % Abv Record Kind 1 14296 SOURCE_LOCATION_PRELOADS 1 1699598 100.00 SOURCE_LOCATION_OFFSETS 1 1870766 100.00 METHOD_POOL 1 212988 100.00 SELECTOR_OFFSETS 1 88 STATISTICS 1 106 SPECIAL_TYPES 1 18033788 100.00 IDENTIFIER_TABLE 1 1806428 100.00 IDENTIFIER_OFFSET 1 170 100.00 TARGET_TRIPLE 1 268 LANGUAGE_OPTIONS 1 5168252 100.00 DECL_OFFSET 1 952700 100.00 TYPE_OFFSET After: Record Histogram: Count # Bits % Abv Record Kind 1 14296 SOURCE_LOCATION_PRELOADS 1 1699598 100.00 SOURCE_LOCATION_OFFSETS 1 1870766 100.00 METHOD_POOL 1 212988 100.00 SELECTOR_OFFSETS 1 88 STATISTICS 1 106 SPECIAL_TYPES 1 18033788 100.00 IDENTIFIER_TABLE 1 1806428 100.00 IDENTIFIER_OFFSET 1 170 100.00 TARGET_TRIPLE 1 268 LANGUAGE_OPTIONS 1 2584156 100.00 DECL_OFFSET 1 476380 100.00 TYPE_OFFSET git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70216 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27add an abbreviation for common PARM_VAR_DECL. All but 9 of the Chris Lattner
parm var decls in leopard cocoa.h end up using this abbreviation, which shrinks the bitcode file by about 50K: 7217736->7167120. Before: Block ID #12 (DECLS_BLOCK): Num Instances: 1 Total Size: 2.23595e+07b/2.79494e+06B/698736W % of file: 38.7233 Num SubBlocks: 0 Num Abbrevs: 0 Num Records: 139387 % Abbrev Recs: 0 After: Block ID #12 (DECLS_BLOCK): Num Instances: 1 Total Size: 2.02405e+07b/2.53006e+06B/632516W % of file: 35.301 Num SubBlocks: 0 Num Abbrevs: 1 Num Records: 139387 % Abbrev Recs: 19.2902 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70199 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Load most of the source manager's information lazily from the PCHDouglas Gregor
file. In particular, only eagerly load source location entries for files and for the predefines buffer. Other buffers and macro-instantiation source location entries are loaded lazily. With the Cocoa-prefixed "Hello, World", we only load 815/26555 source location entities. This halves the amount of user time we spend in this "Hello, World" program with -fsyntax-only (down to .007s). This optimization is part 1 of 2 for the source manager. This eliminates most of the user time in loading a PCH file. We still spend too much time initialize File structures (especially in the calls to stat), so we need to either make the loading of source location entries for files lazy or import the stat cache from the PTH implementation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70196 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27unclone SavedStreamPositionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70192 91177308-0d34-0410-b5e6-96231b3b80d8
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
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