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82874 Commits

Author SHA1 Message Date
Evan Cheng d4d1a51895 Pretty print DBG_VALUE machine instructions. 
Before:
DBG_VALUE %RSI, 0, !-1; dbg:SimpleRegisterCoalescing.cpp:2707
Now:
DBG_VALUE %RSI, 0, !"this"; dbg:SimpleRegisterCoalescing.cpp:2707

llvm-svn: 102518
 2010-04-28 20:03:13 +00:00
Chris Lattner e82411b47f add regex support for -verify mode. You can now do things like 
expected-error-re {{someregex}}

Patch by mike-m!

llvm-svn: 102516
 2010-04-28 20:02:30 +00:00
Chris Lattner 08e9e72fa9 Rework global alignment computation again. Now we do round up 
alignment of globals to the preferred alignment, but only when
there is no section specified on the global (by far the common
case).

llvm-svn: 102515
 2010-04-28 19:58:07 +00:00
David Chisnall 01aa46795e Changed signature of GenerateMessageSend() function to pass the ObjCInterfaceDecl for class messages and removed the boolean IsClassMessage argument, which wasn't used anywhere. 
Emitted some metadata on message sends to allow a later pass to do some speculative inlining of class methods (GNU runtime).  Speculative inlining of instance methods requires type feedback to be useful (work in progress), but for class methods it works quite nicely.  

llvm-svn: 102514
 2010-04-28 19:33:36 +00:00
Devang Patel 888c17073a While lowering dbg_declare, emit DBG_VALUE machine instruction if alloca matching llvm.dbg.declare intrinsic is missing. 
llvm-svn: 102513
 2010-04-28 19:27:33 +00:00
Nate Begeman cb2563f0c3 Stub out NEON support, more to come. 
llvm-svn: 102512
 2010-04-28 18:37:32 +00:00
Jakob Stoklund Olesen 06e7242d32 Recompute kill flags from live intervals after coalescing instead of trying to 
update them. Computing kill flags is notoriously difficult, and the coalescer
would get it wrong sometimes, and it would completely skip physical registers.

Now we simply remove kill flags based on the live intervals after coalescing.
This is a few percent slower, but now we get correct kill flags for physical
registers after coalescing.

llvm-svn: 102510
 2010-04-28 18:28:39 +00:00
Jakob Stoklund Olesen 96fad31694 Teach X86FloatingPoint that a register can be killed multiple times by the same 
instruction.

This instruction would crash the pass:

  INLINEASM <es:foo $0 $1>, 9, %FP0<kill>, 9, %FP0<kill>, 14, %EFLAGS<earlyclobber,def,dead>

Now it doesn't.

llvm-svn: 102509
 2010-04-28 18:28:37 +00:00
Bob Wilson 7ebb5e4cb0 Undo most of my previous whitespace fix. I think I like it better this way 
after all.

llvm-svn: 102508
 2010-04-28 18:18:36 +00:00
Bob Wilson a2dbebc431 Fix inconsistent use of HOSTS and TARGETS variables. 
llvm-svn: 102505
 2010-04-28 18:06:27 +00:00
Bob Wilson 5f1074adde Fix whitespace. 
llvm-svn: 102504
 2010-04-28 17:50:03 +00:00
Daniel Dunbar edd5bae86c Revert "Fix for PR6953: per gcc, regparm and noreturn affect the compatibility of", it is breaking the builds of quite a few projects (emacs, dovecot, gnutar, bison). 
llvm-svn: 102501
 2010-04-28 16:20:58 +00:00
Fariborz Jahanian c83726e64e More of Sema to implement initialization of 
ivar of c++ object types.

llvm-svn: 102500
 2010-04-28 16:11:27 +00:00
Benjamin Kramer 9c05bf46d1 Remove unused function. 
llvm-svn: 102499
 2010-04-28 15:54:45 +00:00
Benjamin Kramer d76b698ca6 Reduce string trashing in getQualifiedNameAsString. 
llvm-svn: 102498
 2010-04-28 14:33:51 +00:00
David Chisnall d472c85285 Emit the correct symbol name for the class (GNU runtime). 
llvm-svn: 102497
 2010-04-28 14:29:56 +00:00
Abramo Bagnara 41160fed4c Written storage class for declarations inside linkage specifications without braces is none. 
llvm-svn: 102496
 2010-04-28 13:11:54 +00:00
Evan Cheng 050df1b8de Enable i16 to i32 promotion by default. 
llvm-svn: 102493
 2010-04-28 08:30:49 +00:00
Evan Cheng f100557c9a Try operation promotion only if regular dag combine and target-specific ones failed to do anything. 
llvm-svn: 102492
 2010-04-28 07:10:39 +00:00
Douglas Gregor a02bb34155 When the qualifier of a id-expression is non-dependent but not 
complete, return an error rather than falling back to building a
dependent declaration reference, since we might not be in a dependent
context. Fixes a fiendish crash-on-invalid in Boost.FunctionTypes that
I wasn't able to reduce to anything useful.

llvm-svn: 102491
 2010-04-28 07:04:26 +00:00
Douglas Gregor 7988def89f Improve name mangling for dependent template names (e.g., typename 
T::template apply<U>), handling a few cases where we previously failed
and performing substitutions on such dependent names. Fixes a crash in
Boost.PropertyTree.

llvm-svn: 102490
 2010-04-28 05:58:56 +00:00
Douglas Gregor 1614237822 When instantiating a function template specialization following 
template argument deduction, use the lexical declaration context as
the owner for friend function templates. Fixes 2 failures in
Boost.Graph.

llvm-svn: 102489
 2010-04-28 04:52:24 +00:00
Evan Cheng d21f564543 Unbreak the build. Only form shld / shrd after legalization. 
llvm-svn: 102488
 2010-04-28 02:25:18 +00:00
Evan Cheng fe420adde0 Update tests. 
llvm-svn: 102487
 2010-04-28 01:53:13 +00:00
Devang Patel 50c9431203 Emit debug info for byval parameters. 
llvm-svn: 102486
 2010-04-28 01:39:28 +00:00
Evan Cheng 347e3b8f15 Rather than having a ton of patterns for double shift instructions, e.g. SHLD16rrCL, just perform custom dag combine to form x86 specific dag so they match to the same pattern. This also makes sure later dag combine do not cause isel to miss them (e.g. promoting i16 to i32). 
llvm-svn: 102485
 2010-04-28 01:18:01 +00:00
Chris Lattner a3facc5cb5 further simplify EmitAlignment by eliminating the 
ForcedAlignBits argument, tweaking the single client of it.

llvm-svn: 102484
 2010-04-28 01:08:40 +00:00
Chris Lattner 72bdee4c10 remove a dead argument to EmitAlignment. 
llvm-svn: 102483
 2010-04-28 01:06:02 +00:00
Chris Lattner 9e06e53fc6 remove some default arguments to EmitAlignment. 
llvm-svn: 102482
 2010-04-28 01:05:45 +00:00
Devang Patel 173b2b9d05 Refactor. 
llvm-svn: 102481
 2010-04-28 01:03:09 +00:00
Dan Gohman 2f1ae06c45 Rewrite the section on trap values to contain a generic description 
of dependence and define trap values in terms of dependence, instead
of trying to cover the concept with a flurry of ad-hoc rules.

The dependence model isn't complete yet, but it's already much more
rigorous than the description it replaces.

llvm-svn: 102479
 2010-04-28 00:49:41 +00:00
Dan Gohman 61110aed26 Fix spelling errors. 
llvm-svn: 102478
 2010-04-28 00:36:01 +00:00
Stuart Hastings c0458f1a40 Tweak x86 INC/DEC generation to look for CopyToReg or SETCC. Radar 7866163. 
llvm-svn: 102477
 2010-04-28 00:35:10 +00:00
Chris Lattner 4bd85e47bf further clarify alignment of globals, fix instcombine 
to not increase the alignment of globals with an assigned
alignment and section.

llvm-svn: 102476
 2010-04-28 00:31:12 +00:00
Chris Lattner 78e00bcb76 improve the global variable alignment description. 
it is not generally valid for targets to overalign
them when an alignment is specified.

llvm-svn: 102474
 2010-04-28 00:13:42 +00:00
John McCall d06fb865eb Properly pass the address of a lazily-generated function declaration with 
incomplete type.  Fixes PR6911.

llvm-svn: 102473
 2010-04-28 00:00:30 +00:00
Devang Patel 12f6855f85 Use MachineOperand::is* predicates. 
llvm-svn: 102472
 2010-04-27 22:24:37 +00:00
Devang Patel cfc76fdaf1 Use isReg(), isImm() and isFPImm(). 
llvm-svn: 102470
 2010-04-27 22:04:41 +00:00
Devang Patel 1f34c2727d Check operand type first. 
llvm-svn: 102468
 2010-04-27 21:49:04 +00:00
Evan Cheng 9e3a4ef089 Fix obvious typos. 
llvm-svn: 102467
 2010-04-27 21:46:03 +00:00
Douglas Gregor 1524333004 It's okay to refer to non-type template parameters anywhere they are 
visible. Fixes the remaining two failures in Boost.ScopeExit.

llvm-svn: 102466
 2010-04-27 21:10:04 +00:00
Abramo Bagnara 3bca8e0f2f Removed spaces at end of line. (Test commit.) 
llvm-svn: 102465
 2010-04-27 21:08:25 +00:00
Eli Friedman 7955e52f5c Fix for PR6953: per gcc, regparm and noreturn affect the compatibility of 
function types.

This could potentially have unexpected side-effects, so look here if there are
new regressions.

llvm-svn: 102464
 2010-04-27 21:07:06 +00:00
Devang Patel 1a0bbe25e3 Ignore DBG_VALUE instructions that points to undef values. 
llvm-svn: 102463
 2010-04-27 20:54:45 +00:00
Douglas Gregor 199db36b79 When explicitly building a temporary object (CXXTemporaryObjectExpr), 
keep track of whether we need to zero-initialize storage prior to
calling its constructor. Previously, we were only tracking this when
implicitly constructing the object (a CXXConstructExpr).

Fixes Boost's value-initialization tests, which means that the
Boost.Config library now passes all of its tests.

llvm-svn: 102461
 2010-04-27 20:36:09 +00:00
David Chisnall e6d0073fa9 Fixed message send to void (broken by my last commit - GNU runtime). 
llvm-svn: 102459
 2010-04-27 20:33:30 +00:00
Evan Cheng 3b928af28f SRA promotion is also not free. 
llvm-svn: 102456
 2010-04-27 19:48:31 +00:00
Evan Cheng e813690b7a - When legal, promote a load to zextload rather than ext load. 
- Catch more further dag combine opportunities as result of operand promotion, e.g. (i32 anyext (i16 trunc (i32 x))) -> (i32 x)

llvm-svn: 102455
 2010-04-27 19:48:13 +00:00
Devang Patel 6c74a872a8 Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges. 
This patch fixes bug (PR6894) introduced by previous version of this patch.

llvm-svn: 102454
 2010-04-27 19:46:33 +00:00
Evan Cheng eb828b6391 Do not count kill, implicit_def instructions as printed instructions. 
llvm-svn: 102453
 2010-04-27 19:38:45 +00:00