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95912 Commits

Author SHA1 Message Date
Owen Anderson 64aaddcd64 Provide correct Thumb2 encodings for basic multiplication operators. 
llvm-svn: 119593
 2010-11-18 00:19:10 +00:00
Oscar Fuentes b59ee62583 Updated library dependencies. 
llvm-svn: 119592
 2010-11-18 00:12:27 +00:00
Ted Kremenek 8390027a99 CursorVisitor: migrate handling of 
'DependentScopeDeclRefExpr' and
'CXXDependentScopeMemberExpr' to the
data-recursion algorithm.

llvm-svn: 119591
 2010-11-18 00:02:32 +00:00
John Thompson ddc7ce548c Bug 8621 fix - pointer cast stripped from inline asm constraint argument. 
llvm-svn: 119590
 2010-11-17 23:58:47 +00:00
Wesley Peck eef03fb444 Make MCJIT work with CMake. 
llvm-svn: 119589
 2010-11-17 23:35:07 +00:00
Jim Grosbach 56f471726c Clean up LEApcrel instuction(s) a bit. It's not really a Pseudo, so don't mark 
it as such. Add some encoding information.

llvm-svn: 119588
 2010-11-17 23:33:14 +00:00
Dan Gohman 7e6b393e66 Factor out the code for purging a SCEV from all the various memoization maps. 
Some of these maps may merge in the future, but for now it's convenient to have
a utility function for them.

llvm-svn: 119587
 2010-11-17 23:28:48 +00:00
Ted Kremenek 7df92ae92b Make definition of CXTranslationUnitImpl private 
to libclang.

llvm-svn: 119585
 2010-11-17 23:24:11 +00:00
Dan Gohman 7ee1bbb76c Merge the implementations of isLoopInvariant and hasComputableLoopEvolution, and 
memoize the results. This improves compile time in code which highly complex
expressions which get queried many times.

llvm-svn: 119584
 2010-11-17 23:21:44 +00:00
Argyrios Kyrtzidis af84ec0a96 Introduce option -Wargument-larger-than[=N] which warns about function definitions if they take by-value 
or return by-value any POD that is larger than some threshold (default is 64 bytes).

Implements rdar://8548050.

llvm-svn: 119583
 2010-11-17 23:11:54 +00:00
Sean Callanan afe16a71f7 Added support for constant strings of the form @"this-is-a-string". 
They are replaced with calls to the CoreFoundation function 
CFStringCreateWithBytes() by a portion of the IRForTarget pass.

llvm-svn: 119582
 2010-11-17 23:00:36 +00:00
Sean Callanan ac6429fc9a Whitespace fix. 
llvm-svn: 119581
 2010-11-17 23:00:07 +00:00
Wesley Peck 307e4688c5 Now that the MBlaze backend is in its own directory, split the test cases into multiple files for different types of instructions. 
llvm-svn: 119580
 2010-11-17 22:54:43 +00:00
Dan Gohman 534749bf70 Make SCEV::getType() and SCEV::print non-virtual. Move SCEV::hasOperand 
to ScalarEvolution. Delete SCEV::~SCEV. SCEV is no longer virtual.

llvm-svn: 119578
 2010-11-17 22:27:42 +00:00
Rafael Espindola d47ac23154 Implement -pie. 
llvm-svn: 119577
 2010-11-17 22:26:15 +00:00
Owen Anderson 55425e7f78 Second attempt at correct encodings for Thumb2 bitfield instructions. 
llvm-svn: 119575
 2010-11-17 22:16:31 +00:00
Rafael Espindola cfaaddaee0 Don't warn about 
clang -w -c foo.s
Helps with the gdb testsuite.

llvm-svn: 119574
 2010-11-17 22:13:25 +00:00
Jim Grosbach 4ded8f264a Fix comment typo. 
llvm-svn: 119573
 2010-11-17 21:57:51 +00:00
Dale Johannesen 0659c8f157 These tests are looking for library function names that 
appear to differ on Linux.  Try to make them pass on Linux.
Would be good for a Linux person to review this.

llvm-svn: 119572
 2010-11-17 21:57:32 +00:00
Howard Hinnant d09f711dc2 LWG 1325 
llvm-svn: 119571
 2010-11-17 21:53:14 +00:00
Dan Gohman 20d9ce21ef Move SCEV::dominates and properlyDominates to ScalarEvolution. 
llvm-svn: 119570
 2010-11-17 21:41:58 +00:00
Douglas Gregor b4a7c0385d Do not produce "purely informative" code completion results for 
Objective-C message sends, which have only whitespace in their
TypedText chunk. Such results have no purpose.

llvm-svn: 119569
 2010-11-17 21:36:08 +00:00
Marcin Swiderski af56739355 In EvalArguments allow for evaluation of first argument always as a lvalue. Will be used for CXXOperatorCallExpr that represents method call. 
llvm-svn: 119567
 2010-11-17 21:27:36 +00:00
Bob Wilson 881b45ccdf Change ARMGlobalMerge to keep BSS globals in separate pools. 
This completes the fixes for Radar 8673120.

llvm-svn: 119566
 2010-11-17 21:25:39 +00:00
Bob Wilson 4c8ab19c22 Fix ARMGlobalMerge pass to check if globals are entirely within range. 
It is generally not sufficient to check if the starting offset is in range
of the maximum offset that can be efficiently used for the target.

llvm-svn: 119565
 2010-11-17 21:25:36 +00:00
Bob Wilson 59182fb4b5 Change the symbol for merged globals from "merged" to "_MergedGlobals". 
This makes it more clear that the symbol is an internal, compiler-generated
name and gives a little more description about its contents.

llvm-svn: 119564
 2010-11-17 21:25:33 +00:00
Bob Wilson f796d4b469 Fix the ARMGlobalMerge pass to look at variable sizes instead of pointer sizes. 
It was mistakenly looking at the pointer type when checking for the size of
global variables.  This is a partial fix for Radar 8673120.

llvm-svn: 119563
 2010-11-17 21:25:27 +00:00
Dan Gohman afd6db9932 Move SCEV::isLoopInvariant and hasComputableLoopEvolution to be member 
functions of ScalarEvolution, in preparation for memoization and
other optimizations.

llvm-svn: 119562
 2010-11-17 21:23:15 +00:00
Howard Hinnant 5ba1459c4c LWG 1323 
llvm-svn: 119560
 2010-11-17 21:11:40 +00:00
Jim Grosbach 08c562bba6 Make the ARM BR_JTadd instruction an explicit pseudo and lower it properly 
in the MC lowering process.

llvm-svn: 119559
 2010-11-17 21:05:55 +00:00
Evan Cheng 39c81c0a55 Avoid isel movcc of large immediates when the large immediate is available in a register. These immediates aren't free. 
llvm-svn: 119558
 2010-11-17 20:56:30 +00:00
Dan Gohman 1ee6d24072 Reference ScalarEvolution by name rather than directly in LICM, 
to avoid an unneeded dependence.

llvm-svn: 119557
 2010-11-17 20:50:07 +00:00
Duncan Sands 39d77131a1 Before replacing a phi node with a different value, it 
needs to be checked that this won't break LCSSA form.
Change the existing checking method to a more direct one:
rather than seeing if all predecessors belong to the loop,
check that the replacing value is either not in any loop or
is in a loop that contains the phi node.

llvm-svn: 119556
 2010-11-17 20:49:12 +00:00
Owen Anderson 6c37ceb182 Revert r119551, which broke buildbots. 
llvm-svn: 119555
 2010-11-17 20:48:51 +00:00
Dan Gohman d3a32ae4c8 Verify SCEVAddRecExpr's invariant in ScalarEvolution::getAddRecExpr 
instead of in SCEVAddRecExpr's constructor, in preparation for an
upcoming change.

llvm-svn: 119554
 2010-11-17 20:48:38 +00:00
Jim Ingham 978e071f16 Add a missing newline to the ThreadPlanAssemblyTracer output. 
llvm-svn: 119553
 2010-11-17 20:40:29 +00:00
Rafael Espindola f92614c578 Don't warn about -w not being used in a link. Necessary to get sane 
results in the gdb testsuite.

llvm-svn: 119552
 2010-11-17 20:37:10 +00:00
Owen Anderson 7464116bde Provide Thumb2 encodings for bitfield instructions. 
llvm-svn: 119551
 2010-11-17 20:35:29 +00:00
Dan Gohman ed75631743 Fix ScalarEvolution's range memoization to avoid using a 
default ctor with ConstantRange.

llvm-svn: 119550
 2010-11-17 20:23:08 +00:00
Jim Ingham a80ef35902 Add a ThreadPlanAssemblyTracer that takes just a thread (since that's how we call it from ThreadPlanBase...) 
llvm-svn: 119549
 2010-11-17 20:19:50 +00:00
Evan Cheng 7f8ab6ee8b Remove ARM isel hacks that fold large immediates into a pair of add, sub, and, 
and xor. The 32-bit move immediates can be hoisted out of loops by machine
LICM but the isel hacks were preventing them.

Instead, let peephole optimization pass recognize registers that are defined by
immediates and the ARM target hook will fold the immediates in.

Other changes include 1) do not fold and / xor into cmp to isel TST / TEQ
instructions if there are multiple uses. This happens when the 'and' is live
out, machine sink would have sinked the computation and that ends up pessimizing
code. The peephole pass would recognize situations where the 'and' can be
toggled to define CPSR and eliminate the comparison anyway.

2) Move peephole pass to after machine LICM, sink, and CSE to avoid blocking
important optimizations.

rdar://8663787, rdar://8241368

llvm-svn: 119548
 2010-11-17 20:13:28 +00:00
Rafael Espindola 7a2cd8b540 make isVirtualSection a virtual method on MCSection. Chris' suggestion. 
llvm-svn: 119547
 2010-11-17 20:03:54 +00:00
Owen Anderson bced7ae046 More miscellaneous Thumb2 encodings. 
llvm-svn: 119546
 2010-11-17 19:57:38 +00:00
Howard Hinnant 601afb30ec LWG 1191 
llvm-svn: 119545
 2010-11-17 19:52:17 +00:00
Chris Lattner eebbbeb917 add some justification for "using namespace llvm;" 
llvm-svn: 119544
 2010-11-17 19:47:20 +00:00
Fariborz Jahanian 8046af7d50 Warn if direct accessing synthesized ivar backing the property in 
nonofragile-abi2. Fixes //rdar://8673791

llvm-svn: 119543
 2010-11-17 19:41:23 +00:00
Jim Grosbach d82684c7fc Fix typo. 
llvm-svn: 119542
 2010-11-17 19:30:11 +00:00
Howard Hinnant ef6168357a LWG 1118 
llvm-svn: 119541
 2010-11-17 19:22:43 +00:00
Argyrios Kyrtzidis 56e879d1da Don't emit warn_logical_and_in_logical_or for cases like "a && b || 0". 
llvm-svn: 119540
 2010-11-17 19:18:19 +00:00
Bill Wendling 11cc1761dd Add missing opcodes now that this function's used in more than one place. 
llvm-svn: 119539
 2010-11-17 19:16:20 +00:00