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2009-04-27fix test/PCH/method_pool.mChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27-E, -Eonly and -parse-noop now work with PCH!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70259 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
2009-04-27Be 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
2009-04-27Add 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
2009-04-27make these be unsigned now that they are eagerly created.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70229 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
2009-04-27fix a couple more places that should be using the DeclCursor instead Chris Lattner
of the normal stream cursor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70198 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
2009-04-27split expr/stmt writing out to PCHWriterStmt.cppChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70194 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27split decl writing out to its own PCHWriterDecl.cpp file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70193 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
2009-04-27move attribute reading to PCHReaderDecl.cpp, remove someChris Lattner
extraneous braces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70191 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
2009-04-27remove dead varChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70174 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
2009-04-27add stmt/expr names to BlockInfo block.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70172 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27drop the _ID suffixes from block names.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70169 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26add the decl names.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70167 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
2009-04-26Adjust 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
2009-04-26Add 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
2009-04-26Make sure we have a code in the node:-)Steve Naroff
This fixes all the -emit-pch problems discovered by utils/pch-test.pl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70125 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 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
2009-04-26implement 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
2009-04-25Lazily 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
2009-04-25Optimize the loading of an identifier from a PCH file when given theDouglas Gregor
identifier's ID. In this case, we know where the identifier's entry is located in the hash table (it starts right before the identifier string itself), so skip the hash table lookup and read the entry directly. The performance improvement here is, gain, hard to quantify, but it's the right thing to do. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70078 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25PCH optimization for the identifier table, where we separateDouglas Gregor
"interesting" identifiers (e.g., those where the IdentifierInfo has some useful information) from "uninteresting" identifiers (where the IdentifierInfo is just a name). This makes the hash table smaller (so searching in it should be faster) and, when loading "uninteresting" identifiers, we skip the lookup in the hash table. PCH file size is slightly smaller than before (since we don't emit the contents of the uninteresting IdentifierInfo structures). The Cocoa.h-prefixed "Hello, World" doesn't show any speedup, although we're getting to the point where system noise is a bit issue. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70075 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
2009-04-25Tweak the data layout for the on-disk hash table of identifiers in the PCH ↵Douglas Gregor
file so that the key layout matches that of the PTH key layout git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70066 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
2009-04-25Write 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
2009-04-25Fix indexing error in PCHStmtReader::VisitArraySubscriptExpr().Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70046 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
2009-04-25Fixup comment.Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70040 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Fix a major bug in PCHReader::ReadSelectorBlock().Steve Naroff
Also simplify some syntax in PCHWriter::WritePreprocessor(), suggested by Chris. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70039 91177308-0d34-0410-b5e6-96231b3b80d8
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