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39207 Commits

Author SHA1 Message Date
Chris Lattner a087a8d2ce remove attribution from lib Makefiles. 
llvm-svn: 45415
 2007-12-29 20:09:26 +00:00
Chris Lattner 8fa21acd25 remove attributions from tools/utils makefiles. 
llvm-svn: 45414
 2007-12-29 20:07:17 +00:00
Chris Lattner 7429581c33 remove attributions from .def files. 
llvm-svn: 45413
 2007-12-29 20:03:32 +00:00
Chris Lattner 5926c0ebfb remove attribution from makefiles. 
llvm-svn: 45412
 2007-12-29 20:02:25 +00:00
Chris Lattner e9cc742a17 Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)

llvm-svn: 45411
 2007-12-29 19:59:42 +00:00
Chris Lattner 5b12ab8c93 Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.

llvm-svn: 45410
 2007-12-29 19:59:25 +00:00
Chris Lattner ebf5666abf Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.

llvm-svn: 45409
 2007-12-29 19:56:08 +00:00
Chris Lattner 4e6cbb2fe2 this is done. 
llvm-svn: 45408
 2007-12-29 19:38:02 +00:00
Chris Lattner d2b8a36f0e One readme entry is done, one is really easy (Evan, want to investigate 
eliminating the llvm.x86.sse2.loadl.pd intrinsic?), one shuffle optzn
may be done (if shufps is better than pinsw, Evan, please review), and
we already know about LICM of simple instructions.

llvm-svn: 45407
 2007-12-29 19:31:47 +00:00
Chris Lattner 0d90c8f016 upgrade this test 
llvm-svn: 45406
 2007-12-29 19:24:06 +00:00
Chris Lattner 3b6a82118b Fold comparisons against a constant nan, and optimize ORD/UNORD 
comparisons with a constant.  This allows us to compile isnan to:

_foo:
	fcmpu cr7, f1, f1
	mfcr r2
	rlwinm r3, r2, 0, 31, 31
	blr 

instead of:

LCPI1_0:					;  float
	.space	4
_foo:
	lis r2, ha16(LCPI1_0)
	lfs f0, lo16(LCPI1_0)(r2)
	fcmpu cr7, f1, f0
	mfcr r2
	rlwinm r3, r2, 0, 31, 31
	blr 

llvm-svn: 45405
 2007-12-29 08:37:08 +00:00
Chris Lattner 33de0c6e92 this xform is implemented. 
llvm-svn: 45404
 2007-12-29 08:19:39 +00:00
Christopher Lamb b053b80b79 Disable null pointer folding transforms for non-generic address spaces. This should probably be a target-specific predicate based on address space. That way for targets where this isn't applicable the predicate can be optimized away. 
llvm-svn: 45403
 2007-12-29 07:56:53 +00:00
Chris Lattner 2de9b85297 make sure not to zap volatile stores, thanks a lot to Dale for noticing this! 
llvm-svn: 45402
 2007-12-29 07:15:45 +00:00
Chris Lattner 07ccbfa64a Codegen: 
as:

_bar:
	pushl	%esi
	subl	$8, %esp
	movl	16(%esp), %esi
	call	L_foo$stub
	fstps	(%esi)
	addl	$8, %esp
	popl	%esi
	#FP_REG_KILL
	ret

instead of:

_bar:
	pushl	%esi
	subl	$8, %esp
	movl	16(%esp), %esi
	call	L_foo$stub
	fstpl	(%esi)
	cvtsd2ss	(%esi), %xmm0
	movss	%xmm0, (%esi)
	addl	$8, %esp
	popl	%esi
	#FP_REG_KILL
	ret

llvm-svn: 45401
 2007-12-29 06:57:38 +00:00
Chris Lattner 5919b48fe9 don't fold fp_round(fp_extend(load)) -> fp_round(extload) 
llvm-svn: 45400
 2007-12-29 06:55:23 +00:00
Chris Lattner 8013bd339b avoid going through a stack slot to convert from fpstack to xmm reg 
if we are just going to store it back anyway.  This improves things 
like:
double foo();
void bar(double *P) { *P = foo(); }

llvm-svn: 45399
 2007-12-29 06:41:28 +00:00
Chris Lattner 3f9c6a7260 Delete a store whose input is a load from the same pointer: 
x = load p
  store x -> p

llvm-svn: 45398
 2007-12-29 06:26:16 +00:00
Chris Lattner 62ba67c0f7 add a note 
llvm-svn: 45397
 2007-12-29 05:51:58 +00:00
Christopher Lamb c5fafa211a Fix OCUVector case in struct layout code. 
llvm-svn: 45396
 2007-12-29 05:10:55 +00:00
Christopher Lamb d91c3d4926 Enable CodeGen for member expressions based on call expressions returning aggregate types. This enables expressions like 'foo().member.submember'. 
llvm-svn: 45395
 2007-12-29 05:02:41 +00:00
Christopher Lamb fd9af54ad1 Make MemberExpr code safe w.r.t. address spaces. 
llvm-svn: 45394
 2007-12-29 04:06:57 +00:00
Chris Lattner 7cafd92aa9 expand note. 
llvm-svn: 45393
 2007-12-29 01:05:01 +00:00
Chris Lattner e96658392d dead calls to llvm.stacksave can be deleted, even though they 
have potential side-effects.

llvm-svn: 45392
 2007-12-29 00:59:12 +00:00
Chris Lattner bc03f70a07 upgrade this test 
llvm-svn: 45391
 2007-12-29 00:57:06 +00:00
Christopher Lamb ad66035921 Fix an error in the base/idx accessors for ArraySubscriptExpr's that crops up with vector element access. 
llvm-svn: 45390
 2007-12-28 23:43:03 +00:00
Devang Patel b57ff068cd Test -simplifycfg only. 
llvm-svn: 45389
 2007-12-28 22:59:48 +00:00
Chris Lattner 9d53b611d1 add a note. 
llvm-svn: 45388
 2007-12-28 22:30:05 +00:00
Chris Lattner d798002401 add a note. 
llvm-svn: 45387
 2007-12-28 21:50:40 +00:00
Owen Anderson 3de3f9981e Add a testcase for my recent InstCombine fix, written by Nicholas. 
llvm-svn: 45386
 2007-12-28 21:08:43 +00:00
Owen Anderson 7363914ef7 Repair a transform that Chris noticed a bug in. Thanks to Nicholas for pointing out my stupid mistakes when writing this patch. :-) 
llvm-svn: 45384
 2007-12-28 07:42:12 +00:00
Chris Lattner 5179819beb disable this instcombine xform, it miscompiles: 
define i32 @main() {
entry:
	%z = alloca i32		; <i32*> [#uses=2]
	store i32 0, i32* %z
	%tmp = load i32* %z		; <i32> [#uses=1]
	%sub = sub i32 %tmp, 1		; <i32> [#uses=1]
	%cmp = icmp ult i32 %sub, 0		; <i1> [#uses=1]
	%retval = select i1 %cmp, i32 1, i32 0		; <i32> [#uses=1]
	ret i32 %retval
}

into ret 1, instead of ret 0.

Christopher, please investigate.

llvm-svn: 45383
 2007-12-28 06:24:31 +00:00
Chris Lattner 7ef31d3c53 various cleanups. Use IgnoreParenCasts instead of inlined versions. 
llvm-svn: 45382
 2007-12-28 05:38:24 +00:00
Chris Lattner 934edb210a unindent cases in a switch stmt, no functionality change. 
llvm-svn: 45381
 2007-12-28 05:31:15 +00:00
Chris Lattner 0846494750 Change Sema::ActOnCallExpr to construct the CallExpr early and put it into 
and OwningPtr instead of constructing only after all of sema is done.  This
has a couple of effects:
1. it fixes memory leaks from all the error cases in sema
2. it simplifies the code significantly.

The cost of this is that the error case now new's and delete's an expr where
it did not before, but we don't care about the perf of the error case.

llvm-svn: 45380
 2007-12-28 05:29:59 +00:00
Chris Lattner 6420345a34 move file to proper place in project. 
llvm-svn: 45379
 2007-12-28 05:27:01 +00:00
Chris Lattner e4407ede20 Add accessors + iterator interface. 
llvm-svn: 45378
 2007-12-28 05:25:02 +00:00
Chris Lattner 180f0e9044 add a note 
llvm-svn: 45377
 2007-12-28 04:42:05 +00:00
Chris Lattner 02ac5e87e0 From Lucas Newman: 
"Here's a tiny patch that lets the clang Xcode project build in any 
location, so llvm doesn't have to be checked out in your home folder."

llvm-svn: 45376
 2007-12-28 00:38:23 +00:00
Anton Korobeynikov 4f00f531ad Ignore functions with internal linkages during linking. This snipped mimics the 
behaviour of LinkGlobals() function.

llvm-svn: 45375
 2007-12-27 23:21:57 +00:00
Chris Lattner 20bc6e06cd add a file I forgot to svn add. 
llvm-svn: 45374
 2007-12-27 21:46:27 +00:00
Chris Lattner cc10d93dcf alphabetize in project. 
llvm-svn: 45373
 2007-12-27 20:59:50 +00:00
Chris Lattner 807979824e use -emit-llvm-bc 
llvm-svn: 45372
 2007-12-27 20:35:58 +00:00
Chris Lattner 40ad6cd854 no need to verify this, no errors/warnings are expected. 
llvm-svn: 45371
 2007-12-27 20:31:56 +00:00
Chris Lattner 11221033be Fix a crash on a top-level objc string, patch by Nico Weber 
llvm-svn: 45370
 2007-12-27 20:29:42 +00:00
Gordon Henriksen 05568bbd98 Adding bindings for target triple and data layout. 
llvm-svn: 45369
 2007-12-27 20:13:47 +00:00
Chris Lattner 5e530bcee3 - Use Tok.isObjCAtKeyword instead of Tok.getIdentifierInfo()->getObjCKeywordID(). 
The later fails if the token is not an identifier.
 - Replace tabs with spaces.
 - Various other cleanups.

Patch by Nico Weber!

llvm-svn: 45368
 2007-12-27 19:57:00 +00:00
Gordon Henriksen 823f9730d7 Switch the bindings to use LLVMFoldingBuilder. 
llvm-svn: 45367
 2007-12-27 18:25:59 +00:00
Gordon Henriksen d4749de856 Adding an uninitialized builder constructor to the Ocaml bindings. 
llvm-svn: 45362
 2007-12-26 21:21:51 +00:00
Anders Carlsson c9d41e7d27 No need to do work that the folding builder does for us. 
llvm-svn: 45361
 2007-12-26 18:20:19 +00:00