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Author SHA1 Message Date
Eric Christopher
428b385575 Add a new pass to do llvm.objsize lowering using SCEV. 
Initial skeleton and SCEVUnknown lowering implemented,
the rest should come relatively quickly.  Move testcase
to new directory.

Move pass to right before SimplifyLibCalls - which is
moved down a bit so we can take advantage of a few opts.

llvm-svn: 95628
 2010-02-09 00:35:38 +00:00
Chris Lattner
804c2270c7 pass stringref by value instead of by const& 
llvm-svn: 95627
 2010-02-09 00:34:28 +00:00
Dan Gohman
71551e837f Add explicit keywords. 
llvm-svn: 95626
 2010-02-09 00:29:29 +00:00
Chris Lattner
dbbd13f825 move PR6212 to this file. 
llvm-svn: 95624
 2010-02-09 00:11:10 +00:00
Chris Lattner
4d97e42ba6 enhance bits_storage to work with enums by using a c-style 
cast instead of reinterpret_cast, fixing PR6243.  Apparently
reinterpret_cast and I aren't getting along today.

llvm-svn: 95622
 2010-02-09 00:05:45 +00:00
Dan Gohman
d19999d757 Implement AsmPrinter support for several more operators which have 
direct MCExpr equivalents. Don't use MCExpr::Shr because it isn't
consistent between targets.

llvm-svn: 95620
 2010-02-09 00:02:37 +00:00
Dan Gohman
30845777be Document that MCExpr::Mod is actually remainder. 
Document that MCExpr::Div, Mod, and the comparison operators are all
signed operators.

Document that the comparison operators' results are target-dependent.

Document that the behavior of shr is target-dependent.

llvm-svn: 95619
 2010-02-08 23:58:47 +00:00
Chris Lattner
9635fe03ca fix some problems handling large vectors reported in PR6230 
llvm-svn: 95616
 2010-02-08 23:56:03 +00:00
Chris Lattner
1492d5c447 this is done, tested by CodeGen/ARM/iabs.ll 
llvm-svn: 95609
 2010-02-08 23:48:10 +00:00
Chris Lattner
20be5fb012 convert to filecheck. 
llvm-svn: 95608
 2010-02-08 23:47:34 +00:00
Sean Callanan
dee7f5dcd4 Added header file declarations and .exports entries 
for the new APIs offered by the enhanced disassembler
for inspecting operands.

llvm-svn: 95606
 2010-02-08 23:34:25 +00:00
Devang Patel
8f947ff5d6 test case for r95604. 
llvm-svn: 95605
 2010-02-08 23:27:46 +00:00
Jim Grosbach
a7e098af3b tighten up eh.setjmp sequence a bit. 
llvm-svn: 95603
 2010-02-08 23:22:00 +00:00
Chris Lattner
32fa6adff6 now that @GOTOFF is no longer represented as a suffix on a 
MCSymbol, we can remove the 'suffix' argument of 
GetBlockAddressSymbol.  Do so.

llvm-svn: 95601
 2010-02-08 23:10:08 +00:00
Chris Lattner
dd84f7aa7b unify the paths for external symbols and global variables: 
2 files changed, 48 insertions(+), 83 deletions(-)

llvm-svn: 95599
 2010-02-08 23:03:41 +00:00
Chris Lattner
bd71035318 switch the rest of the "@ concatentation" logic in the X86 
backend to use X86MCTargetExpr, simplifying a bunch of code.

llvm-svn: 95595
 2010-02-08 22:52:47 +00:00
Sean Callanan
219789b7fb Fixed the AT&T AsmLexer to report the proper strings 
for register tokens.  Before, if it encountered
'%al,' it would report 'al,' as the token.  Now it
correctly reports '%al'.

llvm-svn: 95594
 2010-02-08 22:50:23 +00:00
Chris Lattner
0b30a3f944 switch ELF @GOTOFF references to use X86MCTargetExpr. 
llvm-svn: 95593
 2010-02-08 22:33:55 +00:00
Dan Gohman
8b46c6a6cb ConstantFoldConstantExpression can theoretically return the original 
expression; don't go into an infinite loop if it does.

llvm-svn: 95591
 2010-02-08 22:19:11 +00:00
Chris Lattner
6162c89bfe add an x86 implementation of MCTargetExpr for 
representing @GOT and friends.  Use it for
personality references as a first use.

llvm-svn: 95588
 2010-02-08 22:09:08 +00:00
Chris Lattner
39d41535ad don't make hte dtor private or we can't construct the class. 
llvm-svn: 95587
 2010-02-08 22:07:36 +00:00
Chris Lattner
da4372a3c2 use a c-style cast instead of reinterpret-cast, as sometimes the 
cast needs to adjust for a vtable pointer when going from base to
derived type (when the base doesn't have a vtable but the
derived type does).

llvm-svn: 95585
 2010-02-08 22:05:38 +00:00
Johnny Chen
396391964d Add VCVTR (between floating-point and integer, VFP) for disassembly purpose. 
The 'R' suffix means the to-integer operations use the rounding mode specified
by the FPSCR, encoded as Inst{7} = 0.

A8.6.295

llvm-svn: 95584
 2010-02-08 22:02:41 +00:00
Dan Gohman
56b9ea088b When CodeGen'ing unoptimized code, there may be unfolded constant expressions 
in global initializers. Instead of aborting, attempt to fold them on the
spot. If folding succeeds, emit the folded expression instead.

This fixes PR6255.

llvm-svn: 95583
 2010-02-08 22:02:38 +00:00
Dan Gohman
30a32bc593 Add const qualifiers. 
llvm-svn: 95582
 2010-02-08 22:00:06 +00:00
Dale Johannesen
5ddd318b03 Apply the 95471 fix to SelectionDAGBuilder as well; 
we can get in here if FastISel gives up in a block.
(Actually the two copies of this need to be unified.  Later.)

llvm-svn: 95579
 2010-02-08 21:53:27 +00:00
Dan Gohman
f113e5466c In guaranteed tailcall mode, don't decline the tailcall optimization 
for blocks ending in "unreachable".

llvm-svn: 95565
 2010-02-08 20:34:14 +00:00
Dan Gohman
f45b7c6795 Rename the PerformTailCallOpt variable to GuaranteedTailCallOpt to reflect 
its current purpose.

llvm-svn: 95564
 2010-02-08 20:27:50 +00:00
Johnny Chen
7092ebb040 Add VCMP (VFP floating-point compare without 'E' bit set) for disassembly purpose. 
llvm-svn: 95560
 2010-02-08 19:41:48 +00:00
Chris Lattner
b3fe7597f5 add scaffolding for target-specific MCExprs. 
llvm-svn: 95559
 2010-02-08 19:41:07 +00:00
Duncan Sands
983b171d40 Flesh out the list of predicates, for those who like this style. I was 
looking for isPointer, and added the rest for uniformity.

llvm-svn: 95557
 2010-02-08 19:36:51 +00:00
Daniel Dunbar
e56fb57d08 ImmutableIntervalMap: Fix for unqualified lookup into dependent base class, done 
by clang's -fixit! :)

llvm-svn: 95551
 2010-02-08 18:08:46 +00:00
Johnny Chen
92ec9f2887 Added VMOVRRS/VMOVSRR to ARMInstrVFP.td for disassembly purpose. 
A8.6.331 VMOV (between two ARM core registers and two single-precision registers)

llvm-svn: 95548
 2010-02-08 17:26:09 +00:00
Duncan Sands
70a24159d2 Fix some typos. 
llvm-svn: 95542
 2010-02-08 11:03:31 +00:00
Torok Edwin
01b6959fb6 Fix x86 JIT stub on MSVC. 
Thanks to Kristaps Straupe for noticing the bug.

llvm-svn: 95537
 2010-02-08 08:37:27 +00:00
Sanjiv Gupta
4a56e894a7 Fixed build error for redefinition. 
llvm-svn: 95532
 2010-02-08 06:08:32 +00:00
Sanjiv Gupta
09a80bb7d9 Add uppercase and lowercase part defines in driver. 
Use a temp dir with a unique name in the current dir itself.
Use forward_value instead of unpack_values.

llvm-svn: 95530
 2010-02-08 05:56:37 +00:00
Nick Lewycky
866c48ae12 Make the destructor for TypeMapBase protected. Spotted by Duncan Sands with 
cppcheck!

llvm-svn: 95527
 2010-02-07 21:13:46 +00:00
Duncan Sands
ea225349b0 Give DwarfPrinter a protected (but not virtual) destructor. Cppcheck 
warns about this base class not having a virtual destructor, but since
this class has no virtual methods and neither it or the types derived
from it has a destructor, a protected trivial destructor will do (and
shuts cppcheck up) the trick without the cost of introducing a vtable.

llvm-svn: 95526
 2010-02-07 21:09:22 +00:00
Bruno Cardoso Lopes
014f8fc7b1 Add suport for VASTART on Mips. 
llvm-svn: 95506
 2010-02-06 21:00:02 +00:00
Bruno Cardoso Lopes
2f4294068f First step towards varargs support in Mips: 
- o32 cc must pass all arguments in A0...A3 and stack regardless
if its type (but respect the alignment).
- Store all variable arguments back to the caller stack.

llvm-svn: 95500
 2010-02-06 19:20:49 +00:00
Evan Cheng
5541068ad3 Run codegen dce pass for all targets at all optimization levels. Previously it's 
only run for x86 with fastisel. I've found it being very effective in
eliminating some obvious dead code as result of formal parameter lowering
especially when tail call optimization eliminated the need for some of the loads
from fixed frame objects. It also shrinks a number of the tests. A couple of
tests no longer make sense and are now eliminated.

llvm-svn: 95493
 2010-02-06 09:07:11 +00:00
Evan Cheng
c3cfda4e7e Remove a large test case that (soon will) no longer make sense. 
llvm-svn: 95492
 2010-02-06 09:00:30 +00:00
Bob Wilson
61a15581e7 Fix an uninitialized value. Radar 7609421. 
llvm-svn: 95488
 2010-02-06 05:55:20 +00:00
Rafael Espindola
b0bb1ddfe3 Fix alignment on ppc linux. This fixes the build of crtend.o 
llvm-svn: 95477
 2010-02-06 03:32:21 +00:00
Evan Cheng
de1a4726e6 Do not emit callseq instructions around sibcalls. This eliminated some unnecessary stack adjustments. 
llvm-svn: 95475
 2010-02-06 03:28:46 +00:00
Dale Johannesen
05cffb66ae Add a Debug bit to MachineOperand, for uses that 
are from debug info.  Add an iterator to MachineRegisterInfo
to skip Debug operands when walking the use list.  No
functional change yet.

llvm-svn: 95473
 2010-02-06 02:28:32 +00:00
Dale Johannesen
83f31d3511 After Victor's latest commits I am seeing null 
addresses in dbg.declare; ignore this for the
moment to prevent things from breaking.

llvm-svn: 95471
 2010-02-06 02:26:02 +00:00
Victor Hernandez
157da4b794 Linker should not remap null operands of metadata 
llvm-svn: 95468
 2010-02-06 01:31:55 +00:00
Victor Hernandez
e65222a748 Function-local metadata whose operands had been optimized to no longer refer to function-local IR were not getting written by BitcodeWriter; solution is for these metadata to be enumerated just like global metadata. 
llvm-svn: 95467
 2010-02-06 01:21:09 +00:00