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90267 Commits

Author SHA1 Message Date
Dan Gohman bf673e0652 Move this debug output into GenerateAllReuseFormula, to declutter 
the high-level logic.

llvm-svn: 112436
 2010-08-29 15:21:38 +00:00
Dan Gohman d366b6d5c8 Delete an unused declaration. 
llvm-svn: 112435
 2010-08-29 15:19:11 +00:00
Dan Gohman 4f13bbfefc Do one lookup instead of two. 
llvm-svn: 112434
 2010-08-29 15:18:49 +00:00
Dan Gohman d1da5cdfee Restructure the {A,+,B}<L> * {C,+,D}<L> folding so that it folds 
all applicable addrecs before recursing on getMulExpr, instead of
recursing on getMulExpr for each one.

llvm-svn: 112433
 2010-08-29 15:16:58 +00:00
Dan Gohman 3e6fc18943 Batch up subtracts along with adds, when analyzing long chains of 
operations.

llvm-svn: 112432
 2010-08-29 15:10:06 +00:00
Dan Gohman 7712d2900d Micro-optimize GroupByComplexity. 
llvm-svn: 112431
 2010-08-29 15:07:13 +00:00
Dan Gohman 0f2de01355 Hold AddRec->getLoop() in a variable, to make the Mul code more consistent 
with the Add code.

llvm-svn: 112430
 2010-08-29 14:55:19 +00:00
Dan Gohman 028c18158a Rename a variable, for consistency. 
llvm-svn: 112429
 2010-08-29 14:53:34 +00:00
Dan Gohman 28a84d4ba1 Use iterators instead of indices. 
llvm-svn: 112428
 2010-08-29 14:52:02 +00:00
Dan Gohman dfbed53a84 Don't worry about union types. 
llvm-svn: 112427
 2010-08-29 14:50:21 +00:00
Dan Gohman 6665550bca Make this test less dependent on register allocation choices. 
llvm-svn: 112426
 2010-08-29 14:49:42 +00:00
Dan Gohman 883fa863f8 Use exec. 
llvm-svn: 112425
 2010-08-29 14:49:00 +00:00
Dan Gohman 42cb9be9fd Delete an unused declaration. 
llvm-svn: 112424
 2010-08-29 14:48:15 +00:00
Howard Hinnant c009b09c2b [futures.unique_future] 
llvm-svn: 112423
 2010-08-29 14:20:30 +00:00
Kalle Raiskila 1e616572d9 Fix lowering of INSERT_VECTOR_ELT in SPU. 
The IDX was treated as byte index, not element index.

llvm-svn: 112422
 2010-08-29 12:41:50 +00:00
Bill Wendling 8fc2b590b9 Fix whitespaces. No functionality changes. 
llvm-svn: 112421
 2010-08-29 11:31:07 +00:00
Chris Lattner 0c4deab098 Stop explicitly scheduling domfrontier before the loop passes, 
since none of them use it.  With this, we now only run 
domfrontier (an N^2 analysis) 3 times at clang -O3: once for 
"early" per-function cleanup, once at the start of the
per-function pipeline to support SRoA, and once late because
the EHPrepare class uses it.

EHPrepare needs to stop using it, this is silly and wasteful.

llvm-svn: 112420
 2010-08-29 07:05:51 +00:00
Chris Lattner f94f6bb0ba licm preserves the cfg, it doesn't have to explicitly say it 
preserves domfrontier.  It does preserve AA though.

llvm-svn: 112419
 2010-08-29 07:02:56 +00:00
Chris Lattner abe61ef3b4 now that it doesn't use the PromoteMemToReg function, LICM doesn't 
require DomFrontier.  Dropping this doesn't actually save any runs
of the pass though.

llvm-svn: 112418
 2010-08-29 06:49:44 +00:00
Chris Lattner 1dc98b47b5 completely rewrite the memory promotion algorithm in LICM. 
Among other things, this uses SSAUpdater instead of 
PromoteMemToReg.

llvm-svn: 112417
 2010-08-29 06:43:52 +00:00
Bob Wilson d0c054886c Remove NEON vaddl, vaddw, vsubl, and vsubw intrinsics. Instead, use llvm 
IR add/sub operations with one or both operands sign- or zero-extended.
Auto-upgrade the old intrinsics.

llvm-svn: 112416
 2010-08-29 05:57:34 +00:00
Zhongxing Xu b0a6de9e8f Add comments. 
llvm-svn: 112414
 2010-08-29 05:16:31 +00:00
Bob Wilson 0e7a398936 Translate NEON vaddl, vaddw, vsubl, and vsubw builtins to llvm add/sub 
with zext/sext operations, instead of to llvm intrinsics.  (We can also
get rid of the clang builtins and handle these entirely in the arm_neon.h
header if there is a way to express vector sext/zext in C.)

llvm-svn: 112413
 2010-08-29 05:14:28 +00:00
Chris Lattner 9c3931a544 use getUniqueExitBlocks instead of a manual set. 
llvm-svn: 112412
 2010-08-29 05:12:21 +00:00
Eli Friedman f75de6eae7 A couple of small missed optimizations. 
llvm-svn: 112411
 2010-08-29 05:07:40 +00:00
Chris Lattner 85bf5421e1 reimplement LICM::sink to use SSAUpdater instead of PromoteMemToReg. 
This leads to much simpler code.

llvm-svn: 112410
 2010-08-29 04:55:06 +00:00
Chris Lattner c3fb03e289 implement SSAUpdater::RewriteUseAfterInsertions, a helpful form of RewriteUse. 
llvm-svn: 112409
 2010-08-29 04:54:06 +00:00
Chris Lattner b50407f104 remove dead proto 
llvm-svn: 112408
 2010-08-29 04:53:24 +00:00
Chris Lattner cd96b4df56 reduce indentation in LICM::sink by using early exits, use 
getUniqueExitBlocks instead of getExitBlocks and a manual
set to eliminate dupes.

llvm-svn: 112405
 2010-08-29 04:28:20 +00:00
Chris Lattner 188cc5a0fc modernize this pass a bit: use efficient set/map and reduce indentation. 
llvm-svn: 112404
 2010-08-29 04:23:04 +00:00
Duncan Sands 77b9df21ba Flesh out the list of things I've worked on. 
llvm-svn: 112403
 2010-08-29 04:22:35 +00:00
Chris Lattner dc8070ed6d when merging two alias sets, the result set is volatile if either 
of the sets is volatile.  We were dropping the volatile bit of the
merged in set, leading (luckily) to assertions in cases like 
PR7535.  I cannot produce a testcase that repros with opt, but this
is obviously correct.

llvm-svn: 112402
 2010-08-29 04:14:47 +00:00
Chris Lattner eef6b19dcb more cleanup 
llvm-svn: 112401
 2010-08-29 04:13:43 +00:00
Chris Lattner afb7074f18 clean this up 
llvm-svn: 112400
 2010-08-29 04:06:55 +00:00
Bill Wendling df9ec17d53 - Add a parameter to T2I_bin_irs for those patterns which set the S bit. 
- Create T2I_bin_sw_irs to be like T2I_bin_w_irs, but that it sets the S bit.

llvm-svn: 112399
 2010-08-29 03:55:31 +00:00
Chris Lattner c2887bc283 merge a bunch of shuffle tests into sse2.ll 
llvm-svn: 112398
 2010-08-29 03:19:04 +00:00
Chris Lattner 38ccc8b884 add a bunch more common shuffles to the instprinter. 
llvm-svn: 112397
 2010-08-29 03:08:08 +00:00
Chris Lattner b1ff978406 add some nounwind's 
llvm-svn: 112396
 2010-08-29 03:07:47 +00:00
Bill Wendling b0dc465c04 Name ANDflag to ANDS, which is less stupid. 
llvm-svn: 112395
 2010-08-29 03:06:09 +00:00
Bill Wendling ac64ed0923 File missing from last commit. 
llvm-svn: 112394
 2010-08-29 03:02:28 +00:00
Bill Wendling 0a65116cce Create an ARMISD::AND node. This node is exactly like the "ARM::AND" node, but 
it sets the CPSR register.

llvm-svn: 112393
 2010-08-29 03:02:11 +00:00
John McCall 49039d4afb Complain if a __pragma isn't terminated. 
llvm-svn: 112392
 2010-08-29 01:09:54 +00:00
John McCall 89e925d78e Add support for Microsoft's __pragma in the preprocessor. 
Patch by Francois Pichet!

llvm-svn: 112391
 2010-08-28 22:34:47 +00:00
John McCall 0856906b1e When perform exact-qualifier-match template argument deduction, 
properly account for the possibility that certain opaque types
might be more qualified than they appear.  Fixes PR7708.

llvm-svn: 112390
 2010-08-28 22:14:41 +00:00
NAKAMURA Takumi 64be20e5a4 Minor change. 
This is test for git svn dcommit

llvm-svn: 112389
 2010-08-28 21:12:51 +00:00
Howard Hinnant 8759d9d4d0 [futures.promise]. Depends on rvalue-ref support to work 100%. 
llvm-svn: 112388
 2010-08-28 21:01:06 +00:00
Chris Lattner 7a05e6dca2 I have manually decoded the imm field of an insertps one too many 
times.  This patch causes llc and llvm-mc (which both default to
verbose-asm) to print out comments after a few common shuffle 
instructions which indicates the shuffle mask, e.g.:

	insertps	$113, %xmm3, %xmm0     ## xmm0 = zero,xmm0[1,2],xmm3[1]
	unpcklps	%xmm1, %xmm0    ## xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
	pshufd	$1, %xmm1, %xmm1        ## xmm1 = xmm1[1,0,0,0]

This is carefully factored to keep the information extraction (of the
shuffle mask) separate from the printing logic.  I plan to move the
extraction part out somewhere else at some point for other parts of
the x86 backend that want to introspect on the behavior of shuffles.

llvm-svn: 112387
 2010-08-28 20:42:31 +00:00
Chris Lattner 112b6ee3f2 fixme accomplished 
llvm-svn: 112386
 2010-08-28 20:40:28 +00:00
Chris Lattner d39d2aad3f tidy up 
llvm-svn: 112385
 2010-08-28 20:34:35 +00:00
NAKAMURA Takumi d1ca3e145f Add me to the "blame list"! 
And it is my 1st test commit.

llvm-svn: 112384
 2010-08-28 20:24:43 +00:00