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223 Commits

Author SHA1 Message Date
Chris Lattner 91c08ad14a update for ConstantVector API change. 
llvm-svn: 125538
 2011-02-15 00:14:06 +00:00
Chris Lattner dd68bd0a65 revert my ConstantVector patch, it seems to have made the llvm-gcc 
builders unhappy.

llvm-svn: 125505
 2011-02-14 18:16:09 +00:00
Chris Lattner 2d9a7672db update for ConstantVector::get API change. 
llvm-svn: 125488
 2011-02-14 07:55:40 +00:00
Ken Dyck b0fcc59e19 Add a helper function, ASTContext::toBits(), that converts sizes in 
CharUnits to sizes in bits, and use it to tidy up the places where the
conversion was done explicitly.

llvm-svn: 125332
 2011-02-11 01:54:29 +00:00
Ken Dyck c8ae55050d Convert RecordLayout::Size to CharUnits from bits. No changes to 
functionality intended.

llvm-svn: 125156
 2011-02-09 01:59:34 +00:00
John McCall f3a8860ee1 More capturing of 'this': implicit member expressions. Getting that 
right for anonymous struct/union members led to me discovering some
seemingly broken code in that area of Sema, which I fixed, partly by  
changing the representation of member pointer constants so that    
IndirectFieldDecls aren't expanded.  This led to assorted cleanups with   
member pointers in CodeGen, and while I was doing that I saw some random
other things to clean up.                   

llvm-svn: 124785
 2011-02-03 08:15:49 +00:00
Jay Foad 6d4db0c885 PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and 
zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.

llvm-svn: 121121
 2010-12-07 08:25:34 +00:00
Anders Carlsson 849ea413c6 Refactor the null-initialization for record types and make it handle bases that aren't i8 arrays. 
llvm-svn: 119980
 2010-11-22 18:42:14 +00:00
Anders Carlsson fd88a6160d Rename getBaseClassOffset to getBaseClassOffsetInBits and introduce a getBaseClassOffset which returns the offset in CharUnits. Do the same thing for getVBaseClassOffset. 
llvm-svn: 117881
 2010-10-31 23:22:37 +00:00
John McCall 1c9c3fd50a Death to blocks, or at least the word "block" in one particular obnoxiously 
ambiguous context.

llvm-svn: 116567
 2010-10-15 04:57:14 +00:00
John McCall 5d865c3292 Teach IR generation to return 'this' from constructors and destructors 
under the ARM ABI.

llvm-svn: 112588
 2010-08-31 07:33:07 +00:00
John McCall e302792b61 GCC didn't care for my attempt at API compatibility, so brute-force everything 
to the new constants.

llvm-svn: 112047
 2010-08-25 11:45:40 +00:00
John McCall 7a9aac2d9f Abstract out everything having to do with member pointers into the ABI 
class;  they should just be completely opaque throughout IR gen now,
although I haven't really audited that.

Fix a bug apparently inherited from gcc-4.2 where we failed to null-check
member data pointers when performing derived-to-base or base-to-derived
conversions on them.

llvm-svn: 111789
 2010-08-23 01:21:21 +00:00
John McCall 614dbdcd55 Go back to asking CodeGenTypes whether a type is zero-initializable. 
Make CGT defer to the ABI on all member pointer types.
This requires giving CGT a handle to the ABI.
It's way easier to make that work if we avoid lazily creating the ABI.
Make it so.

llvm-svn: 111786
 2010-08-22 21:01:12 +00:00
John McCall a1dee5300b Experiment with using first-class aggregates to represent member function 
pointers.  I find the resulting code to be substantially cleaner, and it
makes it very easy to use the same APIs for data member pointers (which I have
conscientiously avoided here), and it avoids a plethora of potential
inefficiencies due to excessive memory copying, but we'll have to see if it
actually works.

llvm-svn: 111776
 2010-08-22 10:59:02 +00:00
John McCall 1c456c89dc Abstract out member-pointer creation. I'm really unhappy about the current 
duplication between the constant and non-constant paths in all of this.

Implement ARM ABI semantics for member pointer constants and conversion.

llvm-svn: 111772
 2010-08-22 06:43:33 +00:00
John McCall 84fa510aa9 Abstract more member-pointerness out. 
llvm-svn: 111771
 2010-08-22 04:16:24 +00:00
Eli Friedman 04831926ec Detabify. 
llvm-svn: 111768
 2010-08-22 01:00:03 +00:00
Daniel Dunbar b1d94a98dd IRgen: Eliminate EmitPredefinedFunctionName(), it doesn't need to be factored out. 
llvm-svn: 111715
 2010-08-21 03:01:12 +00:00
John McCall cf14216509 Store inheritance paths after CastExprs instead of inside them. 
This takes some trickery since CastExpr has subclasses (and indeed,
is abstract).

Also, smoosh the CastKind into the bitfield from Expr.

Drops two words of storage from Expr in the common case of expressions
which don't need inheritance paths.  Avoids a separate allocation and
another word of overhead in cases needing inheritance paths.  Also has
the advantage of not leaking memory, since destructors for AST nodes are
never run.

llvm-svn: 110507
 2010-08-07 06:22:56 +00:00
Eli Friedman 3ee1022f37 Fix crash initializing a bit-field with a non-constant in a place where we 
try to evaluate the initializer as a constant.

llvm-svn: 108632
 2010-07-17 23:55:01 +00:00
Chris Lattner 53b479ff6a fix PR7564 a cast where the bitfield struct init code 
wasn't handling array padding elements right.

llvm-svn: 107621
 2010-07-05 18:03:30 +00:00
Chris Lattner 9a3459f1a6 AppendBitField really can never fail, so return its return value. 
Everyone knows that no bugs are ever possible with bitfields.

llvm-svn: 107620
 2010-07-05 17:04:23 +00:00
Chris Lattner fa20e95043 use more efficient type comparison predicates. 
llvm-svn: 106958
 2010-06-26 21:52:32 +00:00
Anders Carlsson bcb2e4cb63 Don't try to explicitly zero out bit-fields. 
llvm-svn: 105391
 2010-06-03 15:36:07 +00:00