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Author SHA1 Message Date
Daniel Dunbar 75b4d3562c Fix -Asserts warning. 
llvm-svn: 86794
 2009-11-11 03:09:50 +00:00
Mike Stump c7b9f5e762 More VTT work. We now track offsets and use the ctor vtable builder 
interface.  WIP.

llvm-svn: 86793
 2009-11-11 03:08:24 +00:00
Mike Stump 4e16d05dc4 Fixup spacing. 
llvm-svn: 86792
 2009-11-11 02:49:00 +00:00
Jim Grosbach 8d92ec45c7 The TBB and TBH instructions for Thumb2 are really handy for jump tables, but 
can only branch forward. To best take advantage of them, we'd like to adjust
the basic blocks around a bit when reasonable. This patch puts basics in place
to do that, with a super-simple algorithm for backwards jump table targets that
creates a new branch after the jump table which branches backwards. Real
heuristics for reordering blocks or other modifications rather than inserting
branches will follow.

llvm-svn: 86791
 2009-11-11 02:47:19 +00:00
John McCall 0506e4af2c Apparently the following idiom is specifically encouraged: 
if (self = [super init])
Recognize it and only warn if -Wparentheses is explicitly enabled.

llvm-svn: 86790
 2009-11-11 02:41:58 +00:00
Chris Lattner fde1f8d0d8 stub out some LazyValueInfo interfaces, and have JumpThreading 
start using them in a trivial way when -enable-jump-threading-lvi
is passed.  enable-jump-threading-lvi will be my playground for 
awhile.

llvm-svn: 86789
 2009-11-11 02:08:33 +00:00
Bill Wendling d656f8ec4c Fix test to work on every platform. 
llvm-svn: 86786
 2009-11-11 01:44:22 +00:00
Bill Wendling 5831283cb5 Fix test to work on every platform. 
llvm-svn: 86785
 2009-11-11 01:41:32 +00:00
Devang Patel b90dac093a XFAIL for now. 
llvm-svn: 86784
 2009-11-11 01:41:10 +00:00
Bill Wendling 676f44062e Make sure that the exception handling data has the same visibility as the 
function it's generated for.

llvm-svn: 86779
 2009-11-11 01:24:59 +00:00
Fariborz Jahanian e6c8112572 Avoid generating additional destructor(s) for initialized constructed 
objects.

llvm-svn: 86778
 2009-11-11 01:13:34 +00:00
Douglas Gregor 9167f8bbd5 Introduce a new representation for template template 
parameters. Rather than storing them as either declarations (for the
non-dependent case) or expressions (for the dependent case), we now
(always) store them as TemplateNames. 

The primary change here is to add a new kind of TemplateArgument,
which stores a TemplateName. However, making that change ripples to
every switch on a TemplateArgument's kind, also affecting
TemplateArgumentLocInfo/TemplateArgumentLoc, default template
arguments for template template parameters, type-checking of template
template arguments, etc.

This change is light on testing. It should fix several pre-existing
problems with template template parameters, such as:
  - the inability to use dependent template names as template template
  arguments
  - template template parameter default arguments cannot be
  instantiation

However, there are enough pieces missing that more implementation is
required before we can adequately test template template parameters. 

llvm-svn: 86777
 2009-11-11 01:00:40 +00:00
Daniel Dunbar 3618834da8 Recognize -fsyntax-only as a "consumer only" action. 
llvm-svn: 86776
 2009-11-11 00:54:56 +00:00
Daniel Dunbar 20a682de6b StringRefify some PCH interfaces. 
llvm-svn: 86775
 2009-11-11 00:52:11 +00:00
Daniel Dunbar 045c92f812 Replace startsWith functions with StringRef. 
llvm-svn: 86774
 2009-11-11 00:52:00 +00:00
Daniel Dunbar 9169a37daf Add Triple::str() which returns the contents of the Triple as a string, as a more readable alternative to getTriple(). 
llvm-svn: 86773
 2009-11-11 00:43:14 +00:00
Mike Stump 8b2d2d0707 Stub out most of the VTT building code. WIP. 
llvm-svn: 86772
 2009-11-11 00:35:07 +00:00
Devang Patel 78319c67ca Do not assume first function scope seen represents current function. 
llvm-svn: 86771
 2009-11-11 00:31:36 +00:00
Daniel Dunbar 9806e4ab20 Add From arguments to StringRef search functions, and tweak doxyments. 
Also, add unittests for find_first_of and find_first_not_of.

llvm-svn: 86770
 2009-11-11 00:28:53 +00:00
Daniel Dunbar bc299f0092 llvm-gcc/clang don't (won't?) need this hack. 
llvm-svn: 86769
 2009-11-11 00:28:38 +00:00
Chris Lattner 6e960c8657 oops, didn't mean to commit this, no harm, but add a todoops, didn't mean to commit this, no harm, but add a todoo 
llvm-svn: 86768
 2009-11-11 00:27:54 +00:00
Chris Lattner 741c94c719 Stub out a new lazy value info pass, which will eventually 
vend value constraint information to the optimizer.

llvm-svn: 86767
 2009-11-11 00:22:30 +00:00
Chris Lattner 3a2ae908fe add a fixme 
llvm-svn: 86766
 2009-11-11 00:21:58 +00:00
Chris Lattner c4e03b7ac7 remove redundant foward declaration. This function is already in 
Analysis/Passes.h

llvm-svn: 86765
 2009-11-11 00:21:21 +00:00
John McCall caef2448da Create a new Scope when parsing a declaration with a C++ scope specifier. 
llvm-svn: 86764
 2009-11-11 00:21:18 +00:00
Devang Patel 4450f26621 While creating DbgScopes, do not forget parent scope. 
llvm-svn: 86763
 2009-11-11 00:18:40 +00:00
Evan Cheng 12f146d8f7 Block terminator may be a switch. 
llvm-svn: 86761
 2009-11-11 00:00:21 +00:00
Daniel Dunbar 93097b3906 Add Diagnostic::Report method for reporting diagnostics without a location. 
llvm-svn: 86760
 2009-11-10 23:55:23 +00:00
Chris Lattner 3835610902 jump threading does everything that condprop does any more. This passes 
bootstrap on darwin i386.

llvm-svn: 86758
 2009-11-10 23:54:10 +00:00
Daniel Dunbar de02f63945 PreprocessorOptions: Get rid of unnecessary 'isPTH' flag for include entries. 
llvm-svn: 86757
 2009-11-10 23:53:43 +00:00
Chris Lattner 0169fd7c62 add a note 
llvm-svn: 86756
 2009-11-10 23:47:45 +00:00
Fariborz Jahanian 4e088941ad Diagnose illegally typed operator new/new[]. 
llvm-svn: 86755
 2009-11-10 23:47:18 +00:00
Chris Lattner 8ff26038ef I did this a week or two ago 
llvm-svn: 86754
 2009-11-10 23:40:49 +00:00
Devang Patel cdb7d44d6d Ignore variable if scope info is not available. 
llvm-svn: 86753
 2009-11-10 23:20:04 +00:00
Bill Wendling 47739b20fd Test this on Darwin only. 
llvm-svn: 86752
 2009-11-10 23:18:33 +00:00
Dale Johannesen 6f7d5b22bb Emit correct code when making a ConstantPool entry for a vector 
constant whose component type is not a legal type for the target.
(If the target ConstantPool cannot handle this type either, it has
an opportunity to merge elements.  In practice any target with
8-bit bytes must support i8 *as data*).  7320806 (partial).

llvm-svn: 86751
 2009-11-10 23:16:41 +00:00
Devang Patel af993bf5cc Attach location info with llvm.dbg.declare. 
llvm-svn: 86750
 2009-11-10 23:07:24 +00:00
Devang Patel f6eeaebd76 Implement support to debug inlined functions. 
llvm-svn: 86748
 2009-11-10 23:06:00 +00:00
Chris Lattner a5056f5b2b in -dot-cfg and -dot-cfg-only, when rendering switch instructions, 
put the switch value in the successor boxes like we put T/F for branches.

llvm-svn: 86747
 2009-11-10 22:56:15 +00:00
Ted Kremenek 0b61a805b9 Add FIXIT hint for -Wsemicolon-before-method-body 
llvm-svn: 86746
 2009-11-10 22:55:49 +00:00
Eli Friedman d76f438369 Revert r86741; it doesn't handle virtual bases correctly. 
llvm-svn: 86745
 2009-11-10 22:48:10 +00:00
Eli Friedman 0960059c0c Minor optimization to skip null check in generated code where it isn't 
necessary.

llvm-svn: 86741
 2009-11-10 22:42:26 +00:00
Chris Lattner 9518fbb54e implement a TODO by teaching jump threading about "xor x, 1". 
llvm-svn: 86739
 2009-11-10 22:39:16 +00:00
Eli Friedman 3ad2645430 Fix for PR5454: make sure to use the right block as the predecessor in the 
generated PHI node for the null check of a new operator.

llvm-svn: 86738
 2009-11-10 22:39:09 +00:00
Chris Lattner 852d6d64ff move some generally useful functions out of jump threading 
into libanalysis and transformutils.

llvm-svn: 86735
 2009-11-10 22:26:15 +00:00
Ted Kremenek 42855f2043 Shuffle order of warning declarations (alphabetize). 
llvm-svn: 86733
 2009-11-10 22:22:50 +00:00
Dan Gohman de8d418ac3 Don't mark conditional branch instructions as control barriers. 
llvm-svn: 86732
 2009-11-10 22:16:57 +00:00
Ted Kremenek f9a28abe8d Make -Wsemicolon-before-method-body opt-in (and part of -Wextra). Addresses <rdar://problem/7381735>. 
llvm-svn: 86731
 2009-11-10 22:16:29 +00:00
Bill Wendling fc9469f311 Modify how the prologue encoded the "move" information for the FDE. GCC 
generates a sequence similar to this:

__Z4funci:
LFB2:
        mflr r0
LCFI0:
        stmw r30,-8(r1)
LCFI1:
        stw r0,8(r1)
LCFI2:
        stwu r1,-80(r1)
LCFI3:
        mr r30,r1
LCFI4:

where LCFI3 and LCFI4 are used by the FDE to indicate what the FP, LR, and other
things are. We generated something more like this:

Leh_func_begin1:
        mflr r0
        stw r31, 20(r1)
        stw r0, 8(r1)
Llabel1:
        stwu r1, -80(r1)
Llabel2:
        mr r31, r1

Note that we are missing the "mr" instruction. This patch makes it more like the
GCC output.

llvm-svn: 86729
 2009-11-10 22:14:04 +00:00
Daniel Dunbar 47ea8628a5 Decouple more of clang-cc by moving ImplicitP[CT]H options into 
PreprocessorOptions.

Global variables used as [in] [out] parameters considered harmful.

llvm-svn: 86728
 2009-11-10 22:09:38 +00:00