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87960 Commits

Author SHA1 Message Date
Sean Callanan cc54bd3cef Added and improved logging. This is helping us as we 
diagnose a problem where we're not correctly emitting
PIC code.

llvm-svn: 109568
 2010-07-28 01:00:59 +00:00
Dan Gohman 8aeb0fb5ca Make SCEVCallbackVH::allUsesReplacedWith unconditionally delete 
the old value.

llvm-svn: 109567
 2010-07-28 00:28:25 +00:00
Nate Begeman 53afc8f06a Implement a vectorized algorithm for <16 x i8> << <16 x i8> 
This is about 4x faster and smaller than the existing scalarization.

llvm-svn: 109566
 2010-07-28 00:21:48 +00:00
Dan Gohman a3659efe09 Add a comment. 
llvm-svn: 109565
 2010-07-28 00:21:18 +00:00
Owen Anderson aac5a72139 Rearrange several datastructures in LazyValueInfo to improve compile time. 
This is still not perfect, but better than it was before.

llvm-svn: 109563
 2010-07-27 23:58:11 +00:00
Owen Anderson 462b205ffe Fill out the interface of DenseSet a bit. 
llvm-svn: 109562
 2010-07-27 23:55:47 +00:00
Tom Care 29a6250bf0 Added some false positive checking to UnreachableCodeChecker 
- Allowed reporting of dead macros
- Added path walking function to search for false positives in conditional statements
- Updated some affected tests
- Added some false positive test cases

llvm-svn: 109561
 2010-07-27 23:30:21 +00:00
Tom Care 76bdd685c2 Extracted out some useful common functions in IdempotentOperationChecker to their own CheckerHelpers file. 
llvm-svn: 109560
 2010-07-27 23:26:07 +00:00
Stuart Hastings a7f1d4a2ba Testcase for r109556. Radar 8198362. 
llvm-svn: 109557
 2010-07-27 23:15:25 +00:00
Ted Kremenek 038abf7db0 Add PTH test case for <rdar://problem/8227989>. 
llvm-svn: 109555
 2010-07-27 23:06:03 +00:00
Sebastian Redl 9891212476 Record macros in dependent PCHs. Also add various info tables to dependent PCHs; tests for this to follow. 
llvm-svn: 109554
 2010-07-27 23:01:28 +00:00
Gabor Greif 0630a71742 reintroduce original (asserting) semantics of CallSite(Instruction *II) 
add instead a CallSite(Value* V) constructor that is consistent with ImmutableCallSize
and use that one in client code

llvm-svn: 109553
 2010-07-27 22:53:28 +00:00
Johnny Chen 571bfd6a2d Added a test case to test that break on a struct declaration has no effect. 
Instead, the first executable statement is set as the breakpoint.

llvm-svn: 109552
 2010-07-27 22:48:46 +00:00
Argyrios Kyrtzidis c0279a9826 Revert r109546, it broke linux build. 
llvm-svn: 109550
 2010-07-27 22:37:14 +00:00
Nate Begeman 269a6da023 ~40% faster vector shl <4 x i32> on SSE 4.1 Larger improvements for smaller types coming in future patches. 
For:

define <2 x i64> @shl(<4 x i32> %r, <4 x i32> %a) nounwind readnone ssp {
entry:
  %shl = shl <4 x i32> %r, %a                     ; <<4 x i32>> [#uses=1]
  %tmp2 = bitcast <4 x i32> %shl to <2 x i64>     ; <<2 x i64>> [#uses=1]
  ret <2 x i64> %tmp2
}

We get:

_shl:                                   ## @shl
	pslld	$23, %xmm1
	paddd	LCPI0_0, %xmm1
	cvttps2dq	%xmm1, %xmm1
	pmulld	%xmm1, %xmm0
	ret

Instead of:

_shl:                                   ## @shl
	pshufd	$3, %xmm0, %xmm2
	movd	%xmm2, %eax
	pshufd	$3, %xmm1, %xmm2
	movd	%xmm2, %ecx
	shll	%cl, %eax
	movd	%eax, %xmm2
	pshufd	$1, %xmm0, %xmm3
	movd	%xmm3, %eax
	pshufd	$1, %xmm1, %xmm3
	movd	%xmm3, %ecx
	shll	%cl, %eax
	movd	%eax, %xmm3
	punpckldq	%xmm2, %xmm3
	movd	%xmm0, %eax
	movd	%xmm1, %ecx
	shll	%cl, %eax
	movd	%eax, %xmm2
	movhlps	%xmm0, %xmm0
	movd	%xmm0, %eax
	movhlps	%xmm1, %xmm1
	movd	%xmm1, %ecx
	shll	%cl, %eax
	movd	%eax, %xmm0
	punpckldq	%xmm0, %xmm2
	movdqa	%xmm2, %xmm0
	punpckldq	%xmm3, %xmm0
	ret

llvm-svn: 109549
 2010-07-27 22:37:06 +00:00
Howard Hinnant c1124300fe lookahead for ecma 
llvm-svn: 109548
 2010-07-27 22:20:32 +00:00
Gabor Greif ef1ca24b91 recommit simplification (originally r109504, backed out in r109508) now that problem in CallSiteBase is fixed 
llvm-svn: 109547
 2010-07-27 22:02:00 +00:00
Argyrios Kyrtzidis 4fac280618 Merge PCHWriterDecl.cpp's isRequiredDecl and CodeGenModule::MayDeferGeneration into a new function, 
DeclIsRequiredFunctionOrFileScopedVar.

This function is part of the public CodeGen interface since it's essentially a CodeGen predicate that is also
needed by the PCH mechanism to determine whether a decl needs to be deserialized during PCH loading for codegen purposes.
This fixes current (and avoids future) codegen-from-PCH bugs.

llvm-svn: 109546
 2010-07-27 22:01:17 +00:00
Johnny Chen ef2f552de4 Added a test case for showing variables of unsigned types. 
llvm-svn: 109545
 2010-07-27 21:49:20 +00:00
Gabor Greif 63f55c49f2 remove bogus assert, use static_cast for additional checking 
left two new asserts commented out, because they would fire in clang, have to hunt those down first

llvm-svn: 109544
 2010-07-27 21:46:11 +00:00
Sean Callanan 7ea3501bd8 Added support for calling functions from expressions. 
Right now we mock up the function as a variadic
function when generating the IR for the call; we need
to eventually make the function be the right type if
the type is available.

llvm-svn: 109543
 2010-07-27 21:39:39 +00:00
Johnny Chen 3c39a980d7 Renaming from TestOrder.py to TestOrderFile.py. 
llvm-svn: 109540
 2010-07-27 21:03:55 +00:00
Johnny Chen 49583c207f Fixed typos from cut-and-paste errors. 
llvm-svn: 109539
 2010-07-27 20:59:06 +00:00
Devang Patel 84a74779a1 It is FE's responsibility to emit proper directory name. 
llvm-svn: 109538
 2010-07-27 20:51:15 +00:00
Eli Friedman 7530049b16 Fix a minor crash bug with constructs like Obj.Class::ENUM_VALUE. 
llvm-svn: 109537
 2010-07-27 20:51:02 +00:00
Devang Patel 4f6e73b168 Always use current working directory for DW_AT_comp_dir. 
llvm-svn: 109535
 2010-07-27 20:49:59 +00:00
Howard Hinnant 93da3b2e41 grep and egrep grammars 
llvm-svn: 109534
 2010-07-27 19:53:10 +00:00
Eli Friedman 6b197e0651 PR7724: Don't try to evaluate value-dependent expressions. 
llvm-svn: 109532
 2010-07-27 19:14:53 +00:00
Eric Christopher 1de8562866 APIs that take different sized arguments than the instruction 
should be taken out and shot.

llvm-svn: 109531
 2010-07-27 19:11:16 +00:00
Chris Lattner 425592a9d8 make lookup failures not fatal. 
llvm-svn: 109530
 2010-07-27 18:59:50 +00:00
Ted Kremenek 83b598c14f Finesse 'idempotent operations' analyzer issues to include the opcode of the binary operator for clearer error reporting. Also remove the 'Idempotent operation' prefix in messages; it's redundant since the bug type is the same. 
llvm-svn: 109527
 2010-07-27 18:49:08 +00:00
Ted Kremenek 162ab86d22 Add non-static version of BinaryOperator::getOpcodeStr(). 
llvm-svn: 109526
 2010-07-27 18:49:04 +00:00
Jim Grosbach 7383cf06ba Grammar 
llvm-svn: 109525
 2010-07-27 18:36:27 +00:00
Sebastian Redl 4b1f490860 Update the list of lexical decls in the TU for chained PCHs. This makes -ast-print show the decls from the dependent PCH. 
llvm-svn: 109524
 2010-07-27 18:24:41 +00:00
Devang Patel bd32256e25 Update tests to not rely on input file's absolute path. 
llvm-svn: 109521
 2010-07-27 18:13:53 +00:00
Nate Begeman 317b969ac5 Fix a crash in the dag combiner caused by ConstantFoldBIT_CONVERTofBUILD_VECTOR calling itself 
recursively and returning a SCALAR_TO_VECTOR node, but assuming the input was always a BUILD_VECTOR.

llvm-svn: 109519
 2010-07-27 18:02:18 +00:00
Ted Kremenek e5cc6a858a Put 'Idempotent operations' static analyzer issues in the 'Dead code' category. 
llvm-svn: 109517
 2010-07-27 17:52:52 +00:00
Jim Grosbach 2ff0e64bc3 80 column 
llvm-svn: 109513
 2010-07-27 17:38:47 +00:00
Howard Hinnant 6afe8b0a23 continued regex development... 
llvm-svn: 109512
 2010-07-27 17:24:17 +00:00
Jim Grosbach 7639967e6c fix typo 
llvm-svn: 109511
 2010-07-27 17:14:29 +00:00
Gabor Greif f159085414 recommit simplification (r109502, backed out r109509); seems to innocent 
llvm-svn: 109510
 2010-07-27 16:44:23 +00:00
Gabor Greif 5f91b7cf3e back out this too to restore the bots 
llvm-svn: 109509
 2010-07-27 15:56:07 +00:00
Gabor Greif ed1d92cb9a back out r109504, breaks the bots 
llvm-svn: 109508
 2010-07-27 15:18:11 +00:00
Devang Patel 6014edd117 Reapply 109303. 
llvm-svn: 109507
 2010-07-27 15:17:16 +00:00
Gabor Greif 7b0a5fd2a5 simplify: CallSite::get --> CallSite constructor 
llvm-svn: 109506
 2010-07-27 15:02:37 +00:00
Douglas Gregor 96c042616e Fix use-after-free with precompiled preambles 
llvm-svn: 109505
 2010-07-27 14:52:07 +00:00
Gabor Greif 195a609c37 simplify 
llvm-svn: 109504
 2010-07-27 14:38:38 +00:00
Gabor Greif d59498bc97 use ImmutableCallSite for const-corrgoodness 
llvm-svn: 109503
 2010-07-27 14:15:29 +00:00
Gabor Greif 7527b2ed5c simplify 
llvm-svn: 109502
 2010-07-27 13:31:22 +00:00
Argyrios Kyrtzidis 76314d1ea8 Always deserialize from PCH file scoped variables with non trivial constructor/destructor. 
Fixes http://llvm.org/PR7692

llvm-svn: 109501
 2010-07-27 12:56:10 +00:00