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39933 Commits

Author SHA1 Message Date
Gordon Henriksen 520981b62f Fixing the stack walker. 
llvm-svn: 46302
 2008-01-24 05:16:36 +00:00
Ted Kremenek 1c91a67086 Added transfer functions for pre- and post- increment/decrement operators. 
llvm-svn: 46300
 2008-01-24 02:28:56 +00:00
Ted Kremenek 33d8285b8d Added passing "ASTContext" to both GREngine and GRConstants. 
Added initial support for integer casting operations to GRConstants.

llvm-svn: 46298
 2008-01-24 02:02:54 +00:00
Anton Korobeynikov a4f27608bc Fix potential buffer overflow 
llvm-svn: 46296
 2008-01-24 01:20:48 +00:00
Owen Anderson 2a8a485630 Move some functionality for adding flags to MachineInstr's into methods on MachineInstr rather than LiveVariables. 
llvm-svn: 46295
 2008-01-24 01:10:07 +00:00
Ted Kremenek 4f1da522ca Minor tweak in GetValue to avoid an extra check for ParenExprs. 
llvm-svn: 46294
 2008-01-24 00:50:08 +00:00
Evan Cheng ec3da554e6 Forgot these. 
llvm-svn: 46292
 2008-01-24 00:22:01 +00:00
Ted Kremenek 2517423c3c Implemented value tracking support for '*' and '*='. 
Added "multiplication" support for equality sets.

llvm-svn: 46289
 2008-01-23 23:42:27 +00:00
Ted Kremenek 5e02dc1b46 Implemented value tracking support for '+=' and '-='. 
llvm-svn: 46288
 2008-01-23 23:38:00 +00:00
Chris Lattner 2dd606839d add some assertions so that the rewriter dies violently with a useful 
error instead of subtly with a mysterious one.

llvm-svn: 46287
 2008-01-23 23:37:15 +00:00
Evan Cheng 35abd840a6 Let each target decide byval alignment. For X86, it's 4-byte unless the aggregare contains SSE vector(s). For x86-64, it's max of 8 or alignment of the type. 
llvm-svn: 46286
 2008-01-23 23:17:41 +00:00
Ted Kremenek cefae084a3 Removed extra GraphViz node attributes for GRConstants, as some of them were 
causing problems with Dot.

llvm-svn: 46285
 2008-01-23 22:54:57 +00:00
Ted Kremenek 930191c011 some prettying of the GraphViz visualization of GRConstants analysis results. 
llvm-svn: 46284
 2008-01-23 22:30:44 +00:00
Ted Kremenek 9e7a112377 Added special escape sequences "\{", "\}", and "\|" when processing 
getNodeLabel(); these sequences allow the user to specify the characters '{',
'}', and '|' in the label, which facilitate breaking the label into multiple
record segments.

llvm-svn: 46283
 2008-01-23 22:29:58 +00:00
Duncan Sands 95d46ef887 The last pieces needed for loading arbitrary 
precision integers.  This won't actually work
(and most of the code is dead) unless the new
legalization machinery is turned on.  While
there, I rationalized the handling of i1, and
removed some bogus (and unused) sextload patterns.
For i1, this could result in microscopically
better code for some architectures (not X86).
It might also result in worse code if annotating
with AssertZExt nodes turns out to be more harmful
than helpful.

llvm-svn: 46280
 2008-01-23 20:39:46 +00:00
Fariborz Jahanian 60a901621f Fixed a nasty bug which took a while to come up with a test case, 
diagnose, and took even longer to fix. It has to do with rewriting of a message
receiver which is an 'ivar' reference. Fix, however, is to remove a code which
was not doing the right thing and no longer needed.

llvm-svn: 46279
 2008-01-23 20:34:40 +00:00
Ted Kremenek 0a8d3767a3 Major "architectural" changes to the GRConstants analysis. We now reason about 
abstract "L-values" and "R-values" when doing value tracking, and expanding
constant tracking to encompass tracking disjunctive sets of possible constants.
Further, the tree-walking is more efficient, as we don't blindly recurse the
tree if we won't generate new states.

llvm-svn: 46278
 2008-01-23 19:59:44 +00:00
Ted Kremenek 9d21a0cb07 Added "getRoot()" to ImmutableSet. 
Made ImmutableSet::ImmutableSet(ImutAVLTree* Root) public. (this allows handy
casting between trees and sets).

llvm-svn: 46277
 2008-01-23 19:57:33 +00:00
Chris Lattner 7238225c28 add support for -Wundef. 
llvm-svn: 46274
 2008-01-23 17:19:46 +00:00
Fariborz Jahanian 54e42318c0 Missing ObjC stuff. Patch by Mike Stump. 
llvm-svn: 46268
 2008-01-23 01:34:33 +00:00
Dale Johannesen 7f1ff5fedd Honor explicit section information on Darwin. 
llvm-svn: 46267
 2008-01-23 00:58:14 +00:00
Owen Anderson 7fe0bb2b43 Fix an iterator invalidation issue. 
llvm-svn: 46263
 2008-01-22 23:58:54 +00:00
Evan Cheng 1e0d4d2aa8 SSE varargs arguments are passed in memory. 
llvm-svn: 46262
 2008-01-22 23:26:53 +00:00
Fariborz Jahanian 0a71ad2e07 Problem with ObjC's type-encoding of nested structs causing infinit recursion. 
llvm-svn: 46260
 2008-01-22 22:44:46 +00:00
Lauro Ramos Venancio db449040aa Fix a typo. 
llvm-svn: 46259
 2008-01-22 22:38:35 +00:00
Lauro Ramos Venancio 09af71c2a6 Implement bitfield write. 
llvm-svn: 46258
 2008-01-22 22:36:45 +00:00
Lauro Ramos Venancio 2ddcb25a3b Implement bitfield read. 
llvm-svn: 46257
 2008-01-22 20:17:04 +00:00
Chris Lattner 97ff7763dc Fix PR1936, a crash on malformed #if. Thanks to Neil for 
noticing this!

llvm-svn: 46256
 2008-01-22 19:34:51 +00:00
Lauro Ramos Venancio 0ae6cd5219 Fix two bugs in bitfield codegen. 
llvm-svn: 46255
 2008-01-22 19:15:30 +00:00
Chris Lattner 1671361c5c Simplify SelectionDAG::getNode so that a big switch stmt is not #ifndef 
NDEBUG.  This is in response to a really nasty bug I introduced that 
Dale tracked down, hopefully this won't happen in the future.  
Many thanks Dale.

llvm-svn: 46254
 2008-01-22 19:09:33 +00:00
Gordon Henriksen f52da44530 Fix grammar. 
llvm-svn: 46253
 2008-01-22 18:46:25 +00:00
Chris Lattner d0d28b913e clarify wording. 
llvm-svn: 46252
 2008-01-22 17:14:30 +00:00
Anton Korobeynikov 427f3167bc Silence a warning. Should we turn this into configure-time check? 
llvm-svn: 46251
 2008-01-22 11:01:23 +00:00
Anton Korobeynikov 010bd77372 Add interator interface to DAGInit also 
llvm-svn: 46250
 2008-01-22 11:00:07 +00:00
Duncan Sands 88de26cffb The final piece needed for storing arbitrary precision 
integers.  Handle truncstore of a legal type to an unusual
number of bits.  Most of this code is not reachable unless
the new legalize infrastructure is turned on.

llvm-svn: 46249
 2008-01-22 07:17:34 +00:00
Nick Lewycky f069264164 Enable the fix I just checked in, silly me. 
llvm-svn: 46247
 2008-01-22 05:42:02 +00:00
Chris Lattner 2b2f10fb7e update this test to pass with duncan's change. 
llvm-svn: 46246
 2008-01-22 05:31:58 +00:00
Chris Lattner efc922d089 One too many )'s breaks 'make clean' with certain versions of make. 
This fixes PR1927

This should be pulled into llvm 2.2.

llvm-svn: 46245
 2008-01-22 05:19:26 +00:00
Nick Lewycky 78712e5b59 Multiply can be evaluated in a different type, so long as the target type has 
a smaller bitwidth.

llvm-svn: 46244
 2008-01-22 05:08:48 +00:00
Chris Lattner 1dea406e73 Trivial patch to fix two warnings, please pull into llvm 2.2 
llvm-svn: 46243
 2008-01-22 04:47:47 +00:00
Steve Naroff af2a022563 - Add Sema::CheckStringLiteralInit, Sema::IsStringLiteralInit. 
- Use previous hooks to simplify Sema::CheckInitializerTypes()...

llvm-svn: 46235
 2008-01-22 00:55:40 +00:00
Steve Naroff f9eb598de3 Sema::CheckInitializerTypes(). Start simpliying and cleaning up... 
llvm-svn: 46234
 2008-01-21 23:53:58 +00:00
Lauro Ramos Venancio 111b3ba670 Add Ubuntu 7.10 include path. 
llvm-svn: 46233
 2008-01-21 23:08:35 +00:00
Fariborz Jahanian 7718e36e25 Elimate bogus warning when va_start is correctly used in 
a method.

llvm-svn: 46232
 2008-01-21 22:59:53 +00:00
Steve Naroff c505c6792c Add a predicate/getter when checking for incomplete array types ("[]"). 
llvm-svn: 46231
 2008-01-21 22:59:18 +00:00
Lauro Ramos Venancio 37bae3e8aa Simplify the bitfield codegen. 
llvm-svn: 46230
 2008-01-21 22:54:57 +00:00
Ted Kremenek a7287785ad Fixed buggy caching of the hash value of an ImutAVLTree node. 
llvm-svn: 46229
 2008-01-21 22:54:46 +00:00
Ted Kremenek 5465d11a23 Moved method call within a conditional branch because its effects will 
be ignored on the false branch.

llvm-svn: 46228
 2008-01-21 22:51:35 +00:00
Ted Kremenek aea769ee6d Adjusted ImutAVLTree::ComputeHash to compute a hash value that is based on a 
clearer sequence of hashing compositions.

llvm-svn: 46227
 2008-01-21 22:50:37 +00:00
Ted Kremenek 048bf7a0f9 Added "clear" method to FoldingSetNodeID to allow a FoldingSetNodeID object 
to be reused to compute multiple object profiles.

llvm-svn: 46226
 2008-01-21 22:49:22 +00:00