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81960 Commits

Author SHA1 Message Date
Dan Gohman 6635bb26a6 Generalize ScalarEvolution's PHI analysis to handle loops that don't 
have preheaders or dedicated exit blocks, as clients may not otherwise
need to run LoopSimplify.

llvm-svn: 101030
 2010-04-12 07:49:36 +00:00
Douglas Gregor 940bca7b93 Be sure to instantiate the parameters of a function, even when the 
function's type is (strictly speaking) non-dependent. This ensures
that, e.g., default function arguments get instantiated properly.

And, since I couldn't resist, collapse the two implementations of
function-parameter instantiation into calls to a single, new function
(Sema::SubstParmVarDecl), since the two had nearly identical code (and
each had bugs the other didn't!). More importantly, factored out the
semantic analysis of a parameter declaration into
Sema::CheckParameter, which is called both by
Sema::ActOnParamDeclarator (when parameters are parsed) and when a
parameter is instantiated. Previously, we were missing some
Objective-C and address-space checks on instantiated function
parameters.

Fixes PR6733.

llvm-svn: 101029
 2010-04-12 07:48:19 +00:00
Dan Gohman f76210ead8 Rewrite the overflow checking in the get{Signed,Unsigned}Range code for 
AddRecs so that it checks for overflow in the computation that it is
performing, rather than just checking hasNo{Signed,Unsigned}Wrap, since
those flags are for a different computation. This fixes a bug that
impacts an upcoming change.

llvm-svn: 101028
 2010-04-12 07:39:33 +00:00
Dan Gohman 15f90c294c Use RecursivelyDeleteTriviallyDeadInstructions in EliminateIVComparisons, 
instead of deleting just the user. This makes it more consistent with
other code in IndVarSimplify, and theoretically can eliminate more users
earlier.

llvm-svn: 101027
 2010-04-12 07:29:15 +00:00
Chris Lattner 3adb17d44f fix a bug I noticed by inspection, correcting two reject-valid bugs. 
llvm-svn: 101026
 2010-04-12 06:36:00 +00:00
Chris Lattner 3ab8ca2894 fix a rejects-valid bug that I introduced, pointed out 
by David Chisnall

llvm-svn: 101024
 2010-04-12 06:27:57 +00:00
Evan Cheng 250283916d Enable post regalloc machine licm by default. 
llvm-svn: 101023
 2010-04-12 06:25:28 +00:00
Chris Lattner 1447136553 use pointer comparison instead of isStr 
llvm-svn: 101022
 2010-04-12 06:22:50 +00:00
Chris Lattner cd963185f0 fix a rejects-valid testcase involving super that I dreamt up. 
This also fixes cases where super is used in a block in a
method which isn't valid.

llvm-svn: 101021
 2010-04-12 06:20:33 +00:00
Chris Lattner df74264787 change Scope::WithinElse to be a normal scope flag, widen the 
fields to two 16-bit values instead of using bitfields.

llvm-svn: 101020
 2010-04-12 06:12:50 +00:00
Chris Lattner 7974fb130f fix this test. 
llvm-svn: 101019
 2010-04-12 05:47:20 +00:00
Chris Lattner c263f43ffd xfail this test for now. 
llvm-svn: 101018
 2010-04-12 05:44:13 +00:00
Chris Lattner 4806f7eb1f fix an invalid use of super, you can't use super like this in a block! 
llvm-svn: 101017
 2010-04-12 05:43:31 +00:00
Chris Lattner c2ebb03297 Have the parser decide whether a message to super is a variable or 
type, instead of having sema do it.

llvm-svn: 101016
 2010-04-12 05:38:43 +00:00
Nick Lewycky 7ff88f8b00 Typo. 
llvm-svn: 101015
 2010-04-12 05:32:01 +00:00
Chris Lattner 8731366c8b fix a fixme, stop evaluating getCurMethodDecl() repeatedly 
in "LookupInObjCMethod".

llvm-svn: 101014
 2010-04-12 05:10:17 +00:00
Nick Lewycky 6ba630b077 Remove use of exceptions from bugpoint. No deliberate functionality change! 
llvm-svn: 101013
 2010-04-12 05:08:25 +00:00
Eric Christopher 1f272f7fd8 Verify function prototypes before trying to optimize functions. We also 
need TargetData, just return false if we don't have it.

Update testcases accordingly.

Fixes PR6807.

llvm-svn: 101011
 2010-04-12 04:48:00 +00:00
Dan Gohman ecd40a34e2 Remove unnecessary parens. 
llvm-svn: 101010
 2010-04-12 02:24:01 +00:00
Dan Gohman f1e40e60d3 Minor code simplification. 
llvm-svn: 101009
 2010-04-12 02:22:30 +00:00
Dan Gohman fa5ad797e3 Re-apply r101000, with a fix: Don't eliminate an icmp which is part of 
the loop exit test. This usually doesn't come up for a variety of
reasons, but it isn't impossible, so make IndVarSimplify handle it
conservatively.

llvm-svn: 101008
 2010-04-12 02:21:50 +00:00
Chris Lattner 3d2a36277e whether we enable dylibs or not depends on the host, not the target. 
llvm-svn: 101007
 2010-04-12 02:21:38 +00:00
Chris Lattner a9396af5f2 other half of r101005 
llvm-svn: 101006
 2010-04-12 02:18:49 +00:00
Chris Lattner 37c75af0f8 fix PR6287 by accepting and ignoring the returns_twice attribute. 
llvm-svn: 101005
 2010-04-12 02:18:38 +00:00
Anders Carlsson 1c0f8bb4ce Have the CXXBaseOrMemberInitializer keep track of whether an initializer initializes a virtual base or not. 
llvm-svn: 101004
 2010-04-12 00:51:03 +00:00
Dan Gohman c0f1efaf8d Revert 101000, which is breaking self-host builds. 
llvm-svn: 101002
 2010-04-12 00:17:10 +00:00
Dan Gohman 068b793614 Fix indentation. 
llvm-svn: 101001
 2010-04-11 23:44:58 +00:00
Dan Gohman af4ab1b681 Teach IndVarSimplify how to eliminate comparisons involving induction 
variables. For example, with code like this:

  for (i=0;i<n;++i)
    if (i<n)
      x[i] = 0;

IndVarSimplify will now recognize that i is always less than n inside
the loop, and eliminate the if.

llvm-svn: 101000
 2010-04-11 23:10:12 +00:00
Ted Kremenek cb13408f12 Unbreak test on windows. 
llvm-svn: 100999
 2010-04-11 22:25:18 +00:00
Anders Carlsson 3383e2ad74 Fix another bug where we wouldn't generate secondary vtables for construction vtables in some cases. 
llvm-svn: 100998
 2010-04-11 22:20:36 +00:00
Ted Kremenek 2908a20d86 Add initial USR support for macro definitions. 
llvm-svn: 100997
 2010-04-11 22:20:34 +00:00
Ted Kremenek 74c4389ea6 Augment clang_getCursorUSR() to not always expect that clang_getCursorDecl() does the right 
thing if the cursor is not a decl (such as in the case of macros).

llvm-svn: 100996
 2010-04-11 22:20:26 +00:00
Dan Gohman 07591698ce Enhance ScalarEvolution::isKnownPredicate with support for 
loop conditions which are invariants.

llvm-svn: 100995
 2010-04-11 22:16:48 +00:00
Dan Gohman f7f28511a9 Minor code simplification. 
llvm-svn: 100994
 2010-04-11 22:13:11 +00:00
Dan Gohman ae4a4148ba When creating a ConstantRange for [n,UINT_MAX], special case n == 0, because 
ConstantRange(0, 0) creates an empty range rather than a full one.

llvm-svn: 100993
 2010-04-11 22:12:18 +00:00
Dan Gohman 2352dd7ee0 Fix a comment. 
llvm-svn: 100992
 2010-04-11 22:07:56 +00:00
Anders Carlsson d78b224e91 More renames. 
llvm-svn: 100991
 2010-04-11 22:07:06 +00:00
Anders Carlsson b41c633a34 Rename a function parameter. 
llvm-svn: 100990
 2010-04-11 22:03:57 +00:00
Ted Kremenek 33b9a42f41 Add CIndex support for blocks. 
llvm-svn: 100989
 2010-04-11 21:47:37 +00:00
Ted Kremenek 85421e9555 Update checker build. 
llvm-svn: 100987
 2010-04-11 21:02:52 +00:00
Anders Carlsson de0338abac Clarify an assertion. 
llvm-svn: 100986
 2010-04-11 20:23:06 +00:00
Anders Carlsson 343a26b56d Fix a bug where we were adding too many vcall offsets in some cases. 
llvm-svn: 100985
 2010-04-11 20:04:11 +00:00
Dan Gohman 008a38b1d6 Add a cast to void to show that the return value is being 
intentionally ignored.

llvm-svn: 100984
 2010-04-11 19:30:19 +00:00
Dan Gohman 7841a6ecd2 Delete a dead check. 
llvm-svn: 100983
 2010-04-11 19:29:41 +00:00
Chris Lattner b986aba6db add haiku support, patch by Paul Davey! 
llvm-svn: 100982
 2010-04-11 19:29:39 +00:00
Dan Gohman 2532856704 Delete dead code. 
llvm-svn: 100981
 2010-04-11 19:28:47 +00:00
Dan Gohman 93cd0f1278 Fix a #include. 
llvm-svn: 100980
 2010-04-11 19:27:52 +00:00
Dan Gohman b50349a979 Rename isLoopGuardedByCond to isLoopEntryGuardedByCond, to emphasise 
that it's only testing for the entry condition, not full loop-invariant
conditions.

llvm-svn: 100979
 2010-04-11 19:27:13 +00:00
Benjamin Kramer fedd987f4b utostr isn't going away too soon, try to make it slightly smaller. 
llvm-svn: 100977
 2010-04-11 19:00:03 +00:00
Chris Lattner 6033be79b3 avoid double negatives 
llvm-svn: 100976
 2010-04-11 18:53:08 +00:00