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71 Commits

Author SHA1 Message Date
Chris Lattner
da081a8e1f fix PR6780, properly handling the IR {|} escapes in inline asm strings. 
llvm-svn: 100449
 2010-04-05 18:44:00 +00:00
Douglas Gregor
d7d70e4788 Remove the AST statistics tracking I added yesterday; it didn't pan out. 
llvm-svn: 100027
 2010-03-31 18:21:31 +00:00
Douglas Gregor
ad2c6988a2 Introduce new AST statistics that keep track of the number of isa (or 
dyn_cast) invocations for C++ and Objective-C types, declarations,
expressions, and statements. The statistics will be printed when
-print-stats is provided to Clang -cc1, with results such as:

277073 clang - Number of checks for C++ declaration nodes
 13311 clang - Number of checks for C++ expression nodes
    18 clang - Number of checks for C++ statement nodes
174182 clang - Number of checks for C++ type nodes
 92300 clang - Number of checks for Objective-C declaration nodes
  9800 clang - Number of checks for Objective-C expression nodes
     7 clang - Number of checks for Objective-C statement nodes
 65733 clang - Number of checks for Objective-C type nodes

The statistics are only gathered when NDEBUG is not defined, since
they introduce potentially-expensive operations into very low-level
routines (isa).

llvm-svn: 99912
 2010-03-30 18:56:13 +00:00
Sam Weinig
a16b0dd1ae Implement Doug's suggestion. Eliminate the Stmts pointer from CXXTryStmt and instead allocate the statements after the object. 
llvm-svn: 95199
 2010-02-03 03:56:39 +00:00
Sam Weinig
ebcea988c2 Remove the SmallVector from CXXTryStmt. 
llvm-svn: 95190
 2010-02-03 02:09:59 +00:00
John McCall
2adddcae7e Remove abstract expression kinds from the StmtClass enum. Update a few users 
appropriately.  Call out a few missing cases in the expression mangler.

llvm-svn: 95176
 2010-02-03 00:55:45 +00:00
Benjamin Kramer
43a645cd93 Try to unbreak MSVC build. 
llvm-svn: 94951
 2010-01-31 09:01:55 +00:00
Anders Carlsson
98323d29b6 Remove the SmallVectors from AsmStmt. Fixes PR6105. 
llvm-svn: 94926
 2010-01-30 23:19:41 +00:00
Anders Carlsson
9a020f9a3a Use IdentifierInfo * instead of std::string for the AsmStmt names. 
llvm-svn: 94925
 2010-01-30 22:25:16 +00:00
Anders Carlsson
0c5d7448d8 Fix thinko. 
llvm-svn: 94922
 2010-01-30 20:48:08 +00:00
Anders Carlsson
66de081f39 Even more AsmStmt cleanup. 
llvm-svn: 94921
 2010-01-30 20:38:10 +00:00
Anders Carlsson
96fe0b5b96 Combine AsmStmt::setOutputsAndInputs and AsmStmt::setClobbers. 
llvm-svn: 94918
 2010-01-30 19:34:25 +00:00
Anders Carlsson
aaeef07280 Implement instantiation of AsmStmts (Crazy, I know) 
llvm-svn: 94361
 2010-01-24 05:50:09 +00:00
Mike Stump
90be58afce Remember if the AsmStmt came from Microsoft-style inline assembly code. 
llvm-svn: 92526
 2010-01-04 22:37:17 +00:00
Ted Kremenek
17113255a8 Fix bug I just introduced in ForStmt::child_end() where we could iterate off into garbage values. 
llvm-svn: 92115
 2009-12-24 01:59:46 +00:00
Ted Kremenek
1c3ab07968 Coelesce 'DoDestroy()' methods in Stmt.cpp, and modify the child_iterator returned by ForStmt to include the initializer of the condition variable. 
llvm-svn: 92112
 2009-12-24 01:48:39 +00:00
Ted Kremenek
b04c5cb0ba Modify WhileStmt::child_begin()/child_end() to include the initializer for the condition variable. 
llvm-svn: 92104
 2009-12-24 00:54:19 +00:00
Ted Kremenek
ee7553de62 Modify SwitchStmt::child_begin()/child_end() to include the initializer for the condition variable. 
llvm-svn: 92100
 2009-12-24 00:39:05 +00:00
Ted Kremenek
b27a6d24a6 Add StmtIterator support for iterating over both the condition 
variable initializer and the other expressions in an IfStmt.

This change required adding a 'DoDestroy()' method for IfStmt that did
not include destroying the initializer (since that is owned by the
VarDecl).

llvm-svn: 92089
 2009-12-23 23:38:34 +00:00
Ted Kremenek
00d19ee130 Add 'DeclStmt::DoDestroy()' which doesn't actually recurse over its child expressions (via StmtIterator), as those expressions are owned by the Decls and Types (which are destroyed elsewhere). This fixes a crasher reported in <rdar://problem/7487294>. 
llvm-svn: 91990
 2009-12-23 08:56:00 +00:00
Mike Stump
21d68e2435 Add const to accessors that don't modify the object. 
llvm-svn: 90153
 2009-11-30 20:10:58 +00:00
Kovarththanan Rajaratnam
130f7f9629 Streamline Stmt::CollectingStats() and Decl::CollectingStats(). No functionality change. 
llvm-svn: 90078
 2009-11-29 14:54:35 +00:00
Daniel Dunbar
2c422dc9ca Move clients to use IdentifierInfo::getNameStart() instead of getName() 
llvm-svn: 84436
 2009-10-18 20:26:12 +00:00
Mike Stump
11289f4280 Remove tabs, and whitespace cleanups. 
llvm-svn: 81346
 2009-09-09 15:08:12 +00:00
Torok Edwin
db7149246f Fix build of clang with gcc-4.4: #include <cstdio> was missing. 
llvm-svn: 79916
 2009-08-24 13:25:12 +00:00
Anders Carlsson
c5c57c3b86 Get rid of Stmt::Clone now that we can reference count statements instead. 
llvm-svn: 78452
 2009-08-08 02:50:17 +00:00
Douglas Gregor
2c742024ff Introduce reference counting for statements and expressions, using it 
to allow sharing of nodes. Simplifies some aspects of template
instantiation, and fixes both PR3444 and <rdar://problem/6757457>.

llvm-svn: 78450
 2009-08-08 01:41:12 +00:00
Douglas Gregor
e26a285c8f Separate Stmt::Destroy into the entrypoint for destroying a statement 
or expression (Destroy) from the virtual function used to actually
destroy a given expression (DoDestroy). 

llvm-svn: 78375
 2009-08-07 06:08:38 +00:00
Douglas Gregor
a30d046059 Simplify printing of the statistics for types. 
llvm-svn: 72415
 2009-05-26 14:40:08 +00:00
Douglas Gregor
5e16fbe562 Template instantiation for C++ try/catch statements. 
llvm-svn: 72035
 2009-05-18 20:51:54 +00:00
Douglas Gregor
ca60224bbe Template instantiation for break and continue statements. 
llvm-svn: 71903
 2009-05-15 22:32:39 +00:00
Anders Carlsson
03b0dd5913 Add NullStmt::Clone and use it 
llvm-svn: 71823
 2009-05-15 00:21:21 +00:00
Chris Lattner
f0b64d73a8 split ObjC and C++ Statements out into their own headers. 
llvm-svn: 70105
 2009-04-26 01:32:48 +00:00
Douglas Gregor
f994f062fd PCH support for inline assembly statements. 
This completes support for all of C (+ extensions). We can (again)
build a PCH file for Carbon.h.

llvm-svn: 69385
 2009-04-17 20:57:14 +00:00
Douglas Gregor
a9af1d13da PCH support for the first batch of statements, including null, 
compound, case, default, if, switch, and break statements.

llvm-svn: 69329
 2009-04-17 00:04:06 +00:00
Anders Carlsson
16b1461c21 Ignore plus operands when looking up the operand number from a named operand. This matches llvm-gcc and fixes PR3908. 
llvm-svn: 68371
 2009-04-03 05:57:08 +00:00
Chris Lattner
84f3afab97 add some spaces :) 
llvm-svn: 66738
 2009-03-11 23:09:16 +00:00
Chris Lattner
99d892b892 don't use strtoul on a non-null-terminated string. 
llvm-svn: 66732
 2009-03-11 22:52:17 +00:00
Chris Lattner
14311925f2 fix PR3258 by rejecting invalid numeric operands. 
llvm-svn: 66618
 2009-03-11 00:23:13 +00:00
Chris Lattner
3fa25c683f checking for symbolic operands as well as % at end of string. 
llvm-svn: 66614
 2009-03-11 00:06:36 +00:00
Chris Lattner
0cdaa2e525 position the caret properly on asm string diagnostics, e.g.: 
Sema/asm.c:64:9: error: invalid % escape in inline assembly string
  asm("%!" : );   // expected-error {{invalid % escape in inline assembly string}}
      ~~^~

llvm-svn: 66606
 2009-03-10 23:57:07 +00:00
Chris Lattner
a41b847401 reject invalid escape characters in extended-asm strings with a nice diagnostic. 
llvm-svn: 66605
 2009-03-10 23:51:40 +00:00
Chris Lattner
d8c7ba278e add plumbing to report diagnostics back through sema for malformed asmstrings. 
llvm-svn: 66598
 2009-03-10 23:41:04 +00:00
Chris Lattner
35b5836147 move the asm string analysis code out of codegen into common 
code where Sema can get to it.  No functionality change.

llvm-svn: 66596
 2009-03-10 23:21:44 +00:00
Chris Lattner
d7d5fdf090 move matching of named operands into AsmStmt class. At the same 
time handle + operands in operand counting, fixing asm.c:t7 to
expand into $2 instead of $1.

llvm-svn: 66531
 2009-03-10 06:33:24 +00:00
Chris Lattner
72bbf17340 add some helper methods to AsmStmt and add some comments. 
llvm-svn: 66521
 2009-03-10 04:59:06 +00:00
Chris Lattner
34a2209177 Change Parser::ParseCaseStatement to use an iterative approach to parsing 
multiple sequential case statements instead of doing it with recursion.  This
fixes a problem where we run out of stack space parsing 100K directly nested
cases.

There are a couple other problems that prevent this from being useful in 
practice (right now the example only parses correctly with -disable-free and
doesn't work with -emit-llvm), but this is a start.

I'm not including a testcase because it is large and uninteresting for 
regtesting.

Sebastian, I would appreciate it if you could scrutinize the smart pointer 
gymnastics I do.

llvm-svn: 66011
 2009-03-04 04:23:07 +00:00
Steve Naroff
371b8fb4c3 Fix <rdar://problem/6640991> Exception handling executes wrong clause (Daniel, please verify). 
Also necessary to fix:

<rdar://problem/6632061> [sema] non object types should not be allowed in @catch statements
<rdar://problem/6252237> [sema] qualified id should be disallowed in @catch statements

llvm-svn: 65964
 2009-03-03 19:52:17 +00:00
Daniel Dunbar
947bca2cc9 ObjCAtCatchStmt's ParamStmt is always a DeclStmt. 
llvm-svn: 65759
 2009-03-01 04:28:32 +00:00
Douglas Gregor
4feb36de04 Remove DeclGroupOwningRef, since we intend for declarations to be owned 
by DeclContexts (always) rather than by statements. 

DeclContext currently goes out of its way to avoid destroying any
Decls that might be owned by a DeclGroupOwningRef. However, in an
error-recovery situation, a failure in a declaration statement can
cause all of the decls in a DeclGroupOwningRef to be destroyed after
they've already be added into the DeclContext. Hence, DeclContext is
left with already-destroyed declarations, and bad things happen. This
problem was causing failures that showed up as assertions on x86 Linux
in test/Parser/objc-forcollection-neg-2.m.

llvm-svn: 64474
 2009-02-13 19:06:18 +00:00