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54946 Commits

Author SHA1 Message Date
Bill Wendling 786c5973f7 - Use the "Fast" flag instead of "OptimizeForSize" to determine whether to emit 
a DBG_LABEL or not. We want to fall back to the original way of emitting debug
  info when we're in -O0/-fast mode.
- Add plumbing in to pass the "Fast" flag to places that need it.
- XFAIL DebugInfo/deaddebuglabel.ll. This is finding 11 labels instead of 8. I
  need to investigate still.

llvm-svn: 65367
 2009-02-24 02:35:30 +00:00
Ted Kremenek cce27f5502 Fix <rdar://problem/6611677>: Add basic transfer function support in the static 
analyzer for array subscript expressions involving bases that are vectors. This
solution is probably a hack: it gets the lvalue of the vector instead of an
rvalue like all other types. This should be reviewed (big FIXME in
GRExprEngine).

llvm-svn: 65366
 2009-02-24 02:23:11 +00:00
Dan Gohman 3204dac652 Add a testcase for the problem fixed in r65289. 
llvm-svn: 65365
 2009-02-24 02:17:42 +00:00
Dan Gohman 4f356bb9b0 Fix a ValueTracking rule: RHS means operand 1, not 0. Add a simple 
ashr instcombine to help expose this code. And apply the fix to
SelectionDAG's copy of this code too.

llvm-svn: 65364
 2009-02-24 02:00:40 +00:00
Dan Gohman 5d1f458f0f Generalize the ChangeCompareStride code, in preparation for 
handling non-constant strides. No functionality change.

llvm-svn: 65363
 2009-02-24 01:58:00 +00:00
Daniel Dunbar 94ceb61574 Fix two @synchronized bugs found by inspection: the expression to sychronize on should only be evaluated once, and it is evaluated outside the cleanup scope. 
Also, lift SyncEnter and SyncExit up in nervous anticipation of x86-64
zero cost EH.

llvm-svn: 65362
 2009-02-24 01:43:46 +00:00
Ted Kremenek d6e190d899 PTH: Cache *un-cleaned* spellings for literals instead of cleaned spellings. 
This allows the PTH file to stay 100% in fidelity with the source code and
defines away some weird cosmetic bugs for operations such as '-E' where
maintaining knowledge of the original literal representation is useful.

llvm-svn: 65361
 2009-02-24 01:26:56 +00:00
Douglas Gregor e62c0a45dd Improve merging of function declarations. Specifically: 
- When we are declaring a function in local scope, we can merge with
    a visible declaration from an outer scope if that declaration
    refers to an entity with linkage. This behavior now works in C++
    and properly ignores entities without linkage.
  - Diagnose the use of "static" on a function declaration in local
    scope.
  - Diagnose the declaration of a static function after a non-static
    declaration of the same function.
  - Propagate the storage specifier to a function declaration from a
    prior declaration (PR3425)
  - Don't name-mangle "main"

llvm-svn: 65360
 2009-02-24 01:23:02 +00:00
Dan Gohman e669884749 Preserve the DominanceFrontier analysis in the LoopDeletion pass. 
llvm-svn: 65359
 2009-02-24 01:21:53 +00:00
Devang Patel 50c6324119 gdb uses DW_AT_prototyped to identify K&R style in C based languages. 
This fixes objc.dg/dwarf-prototypes.m scan-assembler DW_AT_prototyped from llvmgcc42 test suite.

llvm-svn: 65357
 2009-02-24 00:52:19 +00:00
Bill Wendling 98bac99265 Un-XFAIL this test. 
llvm-svn: 65355
 2009-02-24 00:37:28 +00:00
Ted Kremenek 1f11c65a27 PTH: When emitting tokens for literals with cached spellings, change the token 
size to that of the *cleaned* spelling. This way 'getSpelling()' for literals in
the Preprocessor just works and doesn't read beyond the bounds of the cached
spelling buffer.

llvm-svn: 65354
 2009-02-24 00:30:21 +00:00
Devang Patel e288082644 While folding unconditional return move DbgRegionEndInst into the predecessor, instead of removing it. This fixes following tests from llvmgcc42 testsuite. 
gcc.c-torture/execute/20000605-3.c
gcc.c-torture/execute/20020619-1.c
gcc.c-torture/execute/20030920-1.c
gcc.c-torture/execute/loop-ivopts-1.c

llvm-svn: 65353
 2009-02-24 00:05:16 +00:00
Devang Patel 6ced076e4c If there is not any debug info available for any global variables and any subprograms then there is not any debug info to emit. 
llvm-svn: 65352
 2009-02-24 00:02:15 +00:00
Ted Kremenek 80049e0b6f Updated checker build. 
llvm-svn: 65350
 2009-02-23 23:37:29 +00:00
Daniel Dunbar cdff38b1f6 ccc: Don't remove result files on error when -save-temps is present. 
llvm-svn: 65349
 2009-02-23 23:37:18 +00:00
Ted Kremenek 29b8697393 Move PTHStatCache within the anonymous namespace. 
llvm-svn: 65348
 2009-02-23 23:27:54 +00:00
Dan Gohman f6e8c77e1c Back out the change in 64918 that used sign-extensions when promoting 
trip counts that use signed comparisons. It's not obviously the best
approach for preserving trip count information, and at any rate there
isn't anything in the tree right now that makes use of that, so for
now always using zero-extensions is preferable.

llvm-svn: 65347
 2009-02-23 23:20:35 +00:00
Ted Kremenek 2c2ec42322 Tidy up 'ExecutionContinues' to distinguish between jumping to the end of a 'method' or 'funciton'. 
llvm-svn: 65346
 2009-02-23 23:13:51 +00:00
Ted Kremenek 04c6f05a1c Find 'clang' in 'bin' subdirectory instead of 'cbin'. 
llvm-svn: 65343
 2009-02-23 23:01:06 +00:00
Ted Kremenek 62b3879c5e Tidy up the path diagnostic generation logic in BugReporter and remove a case where an "Execution continues..." diagnostic could result in an empty message bubble. 
llvm-svn: 65342
 2009-02-23 22:44:26 +00:00
Dan Gohman 318d7376ba Fast-isel can't do TLS yet, so it should fall back to SDISel 
if it sees TLS addresses.

llvm-svn: 65341
 2009-02-23 22:03:08 +00:00
Chris Lattner d13b8b55ca fix rdar://6611778, a redefinition of an interface was causing an 
assertion when the ivars and method list was reset into the existing
interface.  To fix this, mark decls as invalid when they are redefined,
and don't insert ivars/methods into invalid decls.

llvm-svn: 65340
 2009-02-23 22:00:08 +00:00
Daniel Dunbar 12bbe9e144 Goodbye old-ccc; please use tools/ccc/ccc. 
llvm-svn: 65335
 2009-02-23 19:17:09 +00:00
Fariborz Jahanian 392124c78e We should not generate __weak write barrier on indirect reference 
of a pointer to object; This patch does this odd behavior according to
gcc.

llvm-svn: 65334
 2009-02-23 18:59:50 +00:00
Steve Naroff a94e52c687 - Generate error for protocol qualifiers on 'Class'. 
- Generate error for protocol qualifiers on non-ObjC types.

llvm-svn: 65333
 2009-02-23 18:53:24 +00:00
Steve Naroff 91362dd011 Revert http://llvm.org/viewvc/llvm-project?view=rev&revision=65244. 
Remove support for "Class<P>". Will be making this an error.

llvm-svn: 65332
 2009-02-23 18:36:16 +00:00
Chris Lattner e7a0a63a16 Add copy assignment operator, caught by doug. 
llvm-svn: 65331
 2009-02-23 18:17:44 +00:00
Ted Kremenek 50db3d0923 Add more boilerplate logic to more accurately reason about autorelease pools. 
This doesn't change the current functionality, but better codifies the
autorelease pool stack itself.

llvm-svn: 65328
 2009-02-23 17:45:03 +00:00
Ted Kremenek 7df3a5aec3 Correctly implement ImmutableMap::getMaxElement() by getting the actual <key, value> pair. 
llvm-svn: 65327
 2009-02-23 17:28:16 +00:00
Ted Kremenek e60504d210 Add ImmutableMap::getMaxElement(), a method that returns the <key,value> pair in a ImmutableMap that has the highest ranked key. 
llvm-svn: 65326
 2009-02-23 17:27:18 +00:00
Daniel Dunbar 1234749853 Add low level support for generating invoke instead of calls. 
- No functionality change.

llvm-svn: 65325
 2009-02-23 17:26:39 +00:00
Dan Gohman e591411fd6 LoopDeletion needs to inform ScalarEvolution when a loop is deleted, 
so that ScalarEvolution doesn't hang onto a dangling Loop*, which
could be a problem if another Loop happens to get allocated at the
same address.

llvm-svn: 65323
 2009-02-23 17:10:29 +00:00
Ted Kremenek 726fd5cbf5 Fix 80 col. violations. 
llvm-svn: 65322
 2009-02-23 16:54:00 +00:00
Ted Kremenek 82157a17c1 Per Chris L.'s suggestion, use getAsFunctionType() instead of getDesguaredType(). Constify some pointers along the way. 
llvm-svn: 65321
 2009-02-23 16:51:39 +00:00
Dan Gohman 0fd45016c2 Use the -stack-alignment option instead of using a target triple 
for avoiding dynamic stack realignment.

llvm-svn: 65319
 2009-02-23 16:34:46 +00:00
Dan Gohman 42987f528a IndVarSimplify preserves ScalarEvolution. In the 
-std-compile-opts sequence, this avoids the need for ScalarEvolution to
be rerun before LoopDeletion.

llvm-svn: 65318
 2009-02-23 16:29:41 +00:00
Steve Naroff 59bf35e44a Remove isSuperExpr(), which ignores any casts on 'super'. 
I don't think casting super makes any sense (since it won't effect method lookup).
Will discuss with other offline and decide what to do.

llvm-svn: 65317
 2009-02-23 15:40:48 +00:00
Zhou Sheng 7c528e95af Add test case for checkin @r65314. 
llvm-svn: 65315
 2009-02-23 10:15:04 +00:00
Zhou Sheng 3a86bcf134 Should reset DBI_Prev if DBI_Next == 0. 
llvm-svn: 65314
 2009-02-23 10:14:11 +00:00
Evan Cheng 9f8fddeed8 Only v1i16 (i.e. _m64) is returned via RAX / RDX. 
llvm-svn: 65313
 2009-02-23 09:03:22 +00:00
Nate Begeman 9af0d0c97e Make this test use darwin targe triple, to avoid stack traffic on linux. 
llvm-svn: 65312
 2009-02-23 09:03:06 +00:00
Nate Begeman e684da3e5d Generate better code for v8i16 shuffles on SSE2 
Generate better code for v16i8 shuffles on SSE2 (avoids stack)
Generate pshufb for v8i16 and v16i8 shuffles on SSSE3 where it is fewer uops.
Document the shuffle matching logic and add some FIXMEs for later further
  cleanups.
New tests that test the above.

Examples:

New:
_shuf2:
	pextrw	$7, %xmm0, %eax
	punpcklqdq	%xmm1, %xmm0
	pshuflw	$128, %xmm0, %xmm0
	pinsrw	$2, %eax, %xmm0

Old:
_shuf2:
	pextrw	$2, %xmm0, %eax
	pextrw	$7, %xmm0, %ecx
	pinsrw	$2, %ecx, %xmm0
	pinsrw	$3, %eax, %xmm0
	movd	%xmm1, %eax
	pinsrw	$4, %eax, %xmm0
	ret

=========

New:
_shuf4:
	punpcklqdq	%xmm1, %xmm0
	pshufb	LCPI1_0, %xmm0

Old:
_shuf4:
	pextrw	$3, %xmm0, %eax
	movsd	%xmm1, %xmm0
	pextrw	$3, %xmm1, %ecx
	pinsrw	$4, %ecx, %xmm0
	pinsrw	$5, %eax, %xmm0

========

New:
_shuf1:
	pushl	%ebx
	pushl	%edi
	pushl	%esi
	pextrw	$1, %xmm0, %eax
	rolw	$8, %ax
	movd	%xmm0, %ecx
	rolw	$8, %cx
	pextrw	$5, %xmm0, %edx
	pextrw	$4, %xmm0, %esi
	pextrw	$3, %xmm0, %edi
	pextrw	$2, %xmm0, %ebx
	movaps	%xmm0, %xmm1
	pinsrw	$0, %ecx, %xmm1
	pinsrw	$1, %eax, %xmm1
	rolw	$8, %bx
	pinsrw	$2, %ebx, %xmm1
	rolw	$8, %di
	pinsrw	$3, %edi, %xmm1
	rolw	$8, %si
	pinsrw	$4, %esi, %xmm1
	rolw	$8, %dx
	pinsrw	$5, %edx, %xmm1
	pextrw	$7, %xmm0, %eax
	rolw	$8, %ax
	movaps	%xmm1, %xmm0
	pinsrw	$7, %eax, %xmm0
	popl	%esi
	popl	%edi
	popl	%ebx
	ret

Old:
_shuf1:
	subl	$252, %esp
	movaps	%xmm0, (%esp)
	movaps	%xmm0, 16(%esp)
	movaps	%xmm0, 32(%esp)
	movaps	%xmm0, 48(%esp)
	movaps	%xmm0, 64(%esp)
	movaps	%xmm0, 80(%esp)
	movaps	%xmm0, 96(%esp)
	movaps	%xmm0, 224(%esp)
	movaps	%xmm0, 208(%esp)
	movaps	%xmm0, 192(%esp)
	movaps	%xmm0, 176(%esp)
	movaps	%xmm0, 160(%esp)
	movaps	%xmm0, 144(%esp)
	movaps	%xmm0, 128(%esp)
	movaps	%xmm0, 112(%esp)
	movzbl	14(%esp), %eax
	movd	%eax, %xmm1
	movzbl	22(%esp), %eax
	movd	%eax, %xmm2
	punpcklbw	%xmm1, %xmm2
	movzbl	42(%esp), %eax
	movd	%eax, %xmm1
	movzbl	50(%esp), %eax
	movd	%eax, %xmm3
	punpcklbw	%xmm1, %xmm3
	punpcklbw	%xmm2, %xmm3
	movzbl	77(%esp), %eax
	movd	%eax, %xmm1
	movzbl	84(%esp), %eax
	movd	%eax, %xmm2
	punpcklbw	%xmm1, %xmm2
	movzbl	104(%esp), %eax
	movd	%eax, %xmm1
	punpcklbw	%xmm1, %xmm0
	punpcklbw	%xmm2, %xmm0
	movaps	%xmm0, %xmm1
	punpcklbw	%xmm3, %xmm1
	movzbl	127(%esp), %eax
	movd	%eax, %xmm0
	movzbl	135(%esp), %eax
	movd	%eax, %xmm2
	punpcklbw	%xmm0, %xmm2
	movzbl	155(%esp), %eax
	movd	%eax, %xmm0
	movzbl	163(%esp), %eax
	movd	%eax, %xmm3
	punpcklbw	%xmm0, %xmm3
	punpcklbw	%xmm2, %xmm3
	movzbl	188(%esp), %eax
	movd	%eax, %xmm0
	movzbl	197(%esp), %eax
	movd	%eax, %xmm2
	punpcklbw	%xmm0, %xmm2
	movzbl	217(%esp), %eax
	movd	%eax, %xmm4
	movzbl	225(%esp), %eax
	movd	%eax, %xmm0
	punpcklbw	%xmm4, %xmm0
	punpcklbw	%xmm2, %xmm0
	punpcklbw	%xmm3, %xmm0
	punpcklbw	%xmm1, %xmm0
	addl	$252, %esp
	ret

llvm-svn: 65311
 2009-02-23 08:49:38 +00:00
Nick Lewycky fc684c0c83 If nobody minds, I'm using LTO to produce faster binaries. Switch fast codegen 
off in libLTO.

llvm-svn: 65310
 2009-02-23 07:41:55 +00:00
Mon P Wang dccfa0b26c Changed option name from inline-threshold to basic-inline-threshold because 
inline-threshold option is used by the inliner.

llvm-svn: 65309
 2009-02-23 07:07:56 +00:00
Chris Lattner d5420f0957 fix some typos that Duncan noticed 
llvm-svn: 65306
 2009-02-23 05:56:17 +00:00
Eli Friedman 3ae5911042 A few small improvements to Evaluate for stuff I noted in FIXMEs. 
llvm-svn: 65305
 2009-02-23 04:23:56 +00:00
Ted Kremenek e73f282213 retain/release checker: For now don't track the retain count of NSWindow objects (opt for false negatives). 
llvm-svn: 65304
 2009-02-23 02:51:29 +00:00
Ted Kremenek e6d2b40bcc More retain/release naming convention tests. 
llvm-svn: 65303
 2009-02-23 02:50:20 +00:00
Ted Kremenek 5485a2f70b Remove typo. 
llvm-svn: 65302
 2009-02-23 02:42:56 +00:00