llvm-svn: 64412

llvm-svn: 64411

llvm-svn: 64410

Modify callers.

llvm-svn: 64409

_GCC_LIMITS_H_ is defined, when __GNUC__ is defined.

Also, we need to stay away from possible conflicts with header guards.
We should use CLANG_ to prefix all header guards.

llvm-svn: 64408

loop induction on LP64 targets. When the induction variable is
used in addressing, IndVars now is usually able to inserst a
64-bit induction variable and eliminates the sign-extending cast.
This is also useful for code using C "short" types for
induction variables on targets with 32-bit addressing.

Inserting a wider induction variable is easy; the tricky part is
determining when trunc(sext(i)) expressions are no-ops. This
requires range analysis of the loop trip count. A common case is
when the original loop iteration starts at 0 and exits when the
induction variable is signed-less-than a fixed value; this case
is now handled.

This replaces IndVarSimplify's OptimizeCanonicalIVType. It was
doing the same optimization, but it was limited to loops with
constant trip counts, because it was running after the loop
rewrite, and the information about the original induction
variable is lost by that point.

Rename ScalarEvolution's executesAtLeastOnce to
isLoopGuardedByCond, generalize it to be able to test for
ICMP_NE conditions, and move it to be a public function so that
IndVars can use it.

llvm-svn: 64407

type of the vectors being shuffled.

llvm-svn: 64401

in inline asm as signed (what gcc does).  Add partial support
for x86-specific "e" and "Z" constraints, with appropriate
signedness for printing.

llvm-svn: 64400

gets left behind, it's less cryptic.

llvm-svn: 64399

llvm-svn: 64397

llvm-svn: 64396

llvm-svn: 64393

union subobject initialization before checking whether the next
initiailizer was actually a designated initializer. This led to
spurious "excess elements in union initializer" errors. Thanks to
rdivacky for reporting the bug!

llvm-svn: 64392

to a base class (nonfragile abi ir gen bug).

llvm-svn: 64391

tried to put FIXMEs on the most important things to fix up.  Lots left
to do including more codegen, more documentation and cleaning code and
style cleanups.

llvm-svn: 64390

llvm-svn: 64389

when the loop has exactly one exit, and make use of it in
LoopIndexSplit.

llvm-svn: 64388

llvm-svn: 64387

abi for objective-c programs.

llvm-svn: 64386

- rename isObjCIdType/isObjCClassType -> isObjCIdStructType/isObjCClassStructType. The previous name didn't do what you would expect.
- add back isObjCIdType/isObjCClassType to do what you would expect. Not currently used, however many of the isObjCIdStructType/isObjCClassStructType clients could be converted over time.
- move static Sema function areComparableObjCInterfaces to ASTContext (renamed to areComparableObjCPointerTypes, since it now operates on pointer types).

llvm-svn: 64385

llvm-svn: 64384

llvm-svn: 64383

leaving them in the DAG and then getting selection errors.  This is a 
fix for PR3538.

llvm-svn: 64382

llvm-svn: 64381

llvm-svn: 64380

llvm-svn: 64379

llvm-svn: 64378

llvm-svn: 64377

llvm-svn: 64376

Turn warning into error. Minor incompatibility with GCC (for scalar types, GCC only produces a warning).

llvm-svn: 64375

It's (currently) not safe to keep certain physical registers live across basic blocks, e.g. x86 fp stack registers.

llvm-svn: 64374

llvm-svn: 64373

If availability info is kept when fallthrough into a bb, add the available registers to live-in set.

llvm-svn: 64372

designating an object.

llvm-svn: 64371

 - Doesn't yet handle case where values are passed in mixed (general
   purpose & floating point) registers; otherwise largely
   functional. Code still needs some cleaning.

Fixes:
MultiSource/Applications/lua/lua
MultiSource/Applications/siod/siod
MultiSource/Applications/sqlite3/sqlite3
SingleSource/Regression/C/PR640
SingleSource/UnitTests/2003-07-09-SignedArgs
SingleSource/UnitTests/2007-03-02-VaCopy

gcc compat test suite results (Darwin x86-32 & -64):
--
# of expected passes		1262
# of unexpected failures	56
# of unresolved testcases	34
# of unsupported tests		2

Compare to: http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20090209/012050.html

llvm-svn: 64370

Replace one of burr scheduling heuristic with something more sensible. Now calcMaxScratches simply compute the number of true data dependencies. This actually improve a couple of tests in dejagnu suite as many tests in llvm nightly test suite.

llvm-svn: 64369

llvm-svn: 64368

exceptions.

llvm-svn: 64367

llvm-svn: 64366

llvm-svn: 64365