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61289 Commits

Author SHA1 Message Date
Duncan Sands 2ae473f739 Clarify that if the alignment is zero then an alignment 
compatible with the type will be used (at least the ABI
alignment).

llvm-svn: 73827
 2009-06-20 13:26:06 +00:00
Argyrios Kyrtzidis 69c2e0635a Slight modification to column checking inside SourceManager::getLocation(). 
llvm-svn: 73826
 2009-06-20 08:40:15 +00:00
Argyrios Kyrtzidis 3a08ec1662 Add the license part to the new source files. 
llvm-svn: 73825
 2009-06-20 08:27:14 +00:00
Chris Lattner b4b5c10477 fix edit-o 
llvm-svn: 73824
 2009-06-20 08:13:12 +00:00
Argyrios Kyrtzidis 88f663c04d Introduce SourceManager::getLocation() to get a source location out of a "file:line:column" triplet. 
llvm-svn: 73823
 2009-06-20 08:09:57 +00:00
Argyrios Kyrtzidis 1ead0b42db Serialize FunctionDecl's EndRangeLoc out to the PCH file. 
llvm-svn: 73822
 2009-06-20 08:09:34 +00:00
Argyrios Kyrtzidis a3aeb5a8f1 Introduce Decl::getSourceRange() which, like Stmt::getSourceRange(), represents the range that the declaration covers. 
Add initial support for NamespaceDecl, VarDecl, and FunctionDecl:
-NamespaceDecl range is from name to '}'
-VarDecl is from name to possible init expression
-FunctionDecl is from name to last parameter name or to end of its function body.

llvm-svn: 73821
 2009-06-20 08:09:14 +00:00
Argyrios Kyrtzidis ef21d5d870 Add operator '<=' for comparing SourceLocations. 
llvm-svn: 73820
 2009-06-20 08:08:38 +00:00
Argyrios Kyrtzidis ce3797527e Introduce the ASTUnit class. 
ASTUnit is a helper class to allow easy loading of an ASTContext from a PCH file. No users for now.

llvm-svn: 73819
 2009-06-20 08:08:23 +00:00
Chris Lattner 9fc4db5615 some comments and cleanup 
llvm-svn: 73818
 2009-06-20 07:59:10 +00:00
Chris Lattner a0022a772b implement support for lowering subregs when preparing to print 
LEA64_32r, eliminating a bunch of modifier logic stuff on addr modes.

Implement support for printing mbb labels as operands.

llvm-svn: 73817
 2009-06-20 07:03:18 +00:00
Evan Cheng c6a8d0dbe9 Fix PR4419: handle defs of partial uses. 
llvm-svn: 73816
 2009-06-20 04:34:51 +00:00
Devang Patel 79ef65a271 Remove unused field. 
llvm-svn: 73815
 2009-06-20 01:07:54 +00:00
Devang Patel 1b61c2a1ce Initialize MMI 
llvm-svn: 73813
 2009-06-20 01:00:07 +00:00
Douglas Gregor fec52635f0 Parsing and AST support for using declarations, from John Thompson! 
llvm-svn: 73812
 2009-06-20 00:51:54 +00:00
Chris Lattner 1f8d968687 hook up printMemReference. 
llvm-svn: 73811
 2009-06-20 00:50:32 +00:00
Chris Lattner 4682015e61 Start implementing translation of MachineInstr to MCInst. Next 
step is to make tblgen generate something more appropriate for MCInst,
and generate calls to operand translation routines where needed.
This includes a bunch of #if 0 code which will slowly be refactored into
something sensible.

llvm-svn: 73810
 2009-06-20 00:49:26 +00:00
Chris Lattner 3672742801 make immediates be int64_t like machineoperand. Add some apis 
llvm-svn: 73809
 2009-06-20 00:47:37 +00:00
Dan Gohman dcdc4daa5d Tweak this test to be a little less unusual. 
llvm-svn: 73808
 2009-06-20 00:40:56 +00:00
Dan Gohman 450f4e0fa9 Generalize isLoopGuardedByCond's checking to consider two 
SCEVUnknowns with identical Instructions to be equal. This allows
it to analze cases such as the attached testcase, where the front-end
has cloned the loop controlling expression. Along with r73805, this
lets IndVarSimplify eliminate all the sign-extend casts in the
loop in the attached testcase.

llvm-svn: 73807
 2009-06-20 00:35:32 +00:00
Owen Anderson 96c51a8de1 Workaround for an... interesting bug in Darwin's pthread_rwlock_init. 
llvm-svn: 73806
 2009-06-20 00:32:27 +00:00
Dan Gohman 90d612e536 Use ScalarEvolution's new GetMinSignBits and GetMinLeadingZeros 
in the loop backedge-taken count computation of the maximum
possible trip count.

llvm-svn: 73805
 2009-06-20 00:32:22 +00:00
Douglas Gregor 6fa36b4246 Add -fblocks 
llvm-svn: 73804
 2009-06-20 00:29:46 +00:00
Owen Anderson 4ce341cc75 Add debugging code to test for various locking faux-pas's, when running in single threaded mode. This should help improve testing coverage for 
threading support, without having extensive actually concurrent clients yet.

llvm-svn: 73803
 2009-06-20 00:27:21 +00:00
Owen Anderson 2cda7d74bc Forgot this file. 
llvm-svn: 73802
 2009-06-20 00:26:26 +00:00
Owen Anderson 0d2de8c35e Revert r73790, and replace it with a significantly less ugly solution. Rather than trying to make the global reader-writer lock work, 
create separate recursive mutexes for each value map.  The recursive-ness fixes the double-acquiring issue, which having one per ValueMap
lets us continue to maintain some concurrency.

llvm-svn: 73801
 2009-06-20 00:24:58 +00:00
Fariborz Jahanian e8918d52d1 Added writing and reading of the ConstQualAdded flag of 
BlockDeclRefExpr to PCH.

llvm-svn: 73800
 2009-06-20 00:02:26 +00:00
Chris Lattner 8d284c7683 stub out some hacky code for wiring up the new asmprinter interfaces 
on X86.  Not useful yet.

llvm-svn: 73799
 2009-06-19 23:59:57 +00:00
Chris Lattner 681f79124a allow clients of the asmprinter to opt-out of the boilerplate with a #define. 
llvm-svn: 73798
 2009-06-19 23:57:53 +00:00
Douglas Gregor c9c02ed8f4 Keep track of when declarations are "used" according to C and 
C++. This logic is required to trigger implicit instantiation of
function templates and member functions of class templates, which will
be implemented separately.

This commit includes support for -Wunused-parameter, printing warnings
for named parameters that are not used within a function/Objective-C
method/block. Fixes <rdar://problem/6505209>.

llvm-svn: 73797
 2009-06-19 23:52:42 +00:00
Dan Gohman 724f825f96 Fix a typo in a comment that Frits von Bommel noticed. 
llvm-svn: 73796
 2009-06-19 23:41:37 +00:00
Fariborz Jahanian 3fd7310d70 Use QualType to represent block's implicit return type as 
to not lose its 'const/volatile' qualifier.

llvm-svn: 73795
 2009-06-19 23:37:08 +00:00
Dan Gohman c702fc0e64 Make GetMinTrailingZeros a member function of ScalarEvolution, 
so that it can access the TargetData member (when available) and
use ValueTracking.h information to compute information for
SCEVUnknown Values.

Also add GetMinLeadingZeros and GetMinSignBits functions,
with minimal implementations.

llvm-svn: 73794
 2009-06-19 23:29:04 +00:00
Dan Gohman cc31110b95 Re-apply r73718, now that the fix in r73787 is in, and add a 
hand-crafted testcase which demonstrates the bug that was exposed
in 254.gap.

llvm-svn: 73793
 2009-06-19 23:23:27 +00:00
Devang Patel 88be5cf01f DwarfWriter is used to emit EH info also. 
llvm-svn: 73792
 2009-06-19 23:21:20 +00:00
Evan Cheng b4b20bbb7d Enable arm pre-allocation load / store multiple optimization pass. 
llvm-svn: 73791
 2009-06-19 23:17:27 +00:00
Owen Anderson b07dd959a4 Fix a serious bug that would cause deadlock during abstract type refinement. The constant creation 
gets involved, and we end up trying to recursively acquire a writer lock.  The fix for this is slightly horrible,
and involves passing a boolean "locked" parameter around in Constants.cpp, but it's better than having locked and
unlocked versions of most of the code.

llvm-svn: 73790
 2009-06-19 23:16:19 +00:00
Dan Gohman 55e3dd9174 Fix LSR's OptimizeSMax to ignore max operators with more than 2 operands, 
which it isn't prepared to handle.

llvm-svn: 73787
 2009-06-19 23:03:46 +00:00
Devang Patel da10358c84 mv CodeGen/DebugLoc.h Support/DebugLoc.h 
llvm-svn: 73786
 2009-06-19 22:08:58 +00:00
Devang Patel 33f4eb462f Move up dwarf writer initialization in common AsmPrinter class. 
llvm-svn: 73784
 2009-06-19 21:54:26 +00:00
Evan Cheng 86076c9e30 Revert 73718. It's breaking 254.gap. 
llvm-svn: 73783
 2009-06-19 21:15:06 +00:00
Fariborz Jahanian 423a81f259 Patch for implementation of C++'s object model. This is 
work in progress.

llvm-svn: 73782
 2009-06-19 19:55:27 +00:00
Anton Korobeynikov 2028e25325 Unbreak cyclic deps 
llvm-svn: 73781
 2009-06-19 19:36:55 +00:00
Owen Anderson ff5f14c15e Fix bad paste-o in the MSVC atomics. 
Patch by Иван Сорокин.

llvm-svn: 73779
 2009-06-19 18:37:50 +00:00
Owen Anderson 59ba814f39 Forgot to remove some explicit locking when it became implicit in the ValueMap. 
llvm-svn: 73778
 2009-06-19 18:34:09 +00:00
Owen Anderson 383f7b1f08 Fences are expensive. Avoid doing them when we're not in multithreaded mode. 
llvm-svn: 73777
 2009-06-19 17:50:11 +00:00
Dan Gohman b9063a84ce Make ScalarEvolution::print print getSCEVAtScope values for 
expressions, when interesting.

llvm-svn: 73776
 2009-06-19 17:49:54 +00:00
Owen Anderson 81241a37fa Move the memory fences out of the path for single-threaded mode. 
llvm-svn: 73775
 2009-06-19 17:45:12 +00:00
Dan Gohman 2199dbc5ff Don't (unconditionally) use getSCEVAtScope to simplify the step 
expression in IVUsers, because in the case of a use of a non-linear
addrec outside of a loop, this causes the addrec to be evaluated as
a linear addrec.

llvm-svn: 73774
 2009-06-19 17:33:15 +00:00
Owen Anderson ff967be708 Fix incorrect comment pointed out by Duncan. 
llvm-svn: 73773
 2009-06-19 17:20:50 +00:00