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1729 Commits

Author SHA1 Message Date
Chris Lattner
dfd5ee9b42 Remove dead return. Thanks to Bill for the review! 
llvm-svn: 50863
 2008-05-08 18:26:56 +00:00
Chris Lattner
9011ceba89 Add support for constant folding the 'offsetof' pattern even if the 
base is not zero.  This fixes test/C++Frontend/2008-05-07-CrazyOffsetOf.cpp

llvm-svn: 50840
 2008-05-08 04:54:43 +00:00
Chris Lattner
3ee18d7c51 Add a new LibCallAliasAnalysis pass, which is parameterized 
by an instance of LibCallInfo to provide mod/ref info of
standard library functions.  This is powerful enough to
say that 'sqrt' is readonly except that it modifies errno,
or that "printf doesn't store to memory unless the %n
constraint is present" etc.

llvm-svn: 50827
 2008-05-07 19:53:05 +00:00
Chris Lattner
e70ff7b21c Add a new interface for describing the behavior of library calls. This 
Currently is sufficient to describe mod/ref behavior but will hopefully
eventually be extended for other purposes.

This isn't used by anything yet.

llvm-svn: 50820
 2008-05-07 18:21:13 +00:00
Nick Lewycky
6705f7577b Fix typo and indentation. 
llvm-svn: 50706
 2008-05-06 04:03:18 +00:00
Dan Gohman
d4a670284c Make several variable declarations static. 
llvm-svn: 50696
 2008-05-06 01:53:16 +00:00
Dan Gohman
a84b75df17 Remove uses of llvm/System/IncludeFile.h that are no longer needed. 
llvm-svn: 50695
 2008-05-06 01:32:53 +00:00
Torok Edwin
d016bb2685 Implement destructor for PostDominatorTree to eliminate a memory leak. 
llvm-svn: 50607
 2008-05-03 20:25:26 +00:00
Devang Patel
4b2359feec Add assert. 
llvm-svn: 50596
 2008-05-02 22:13:33 +00:00
Dan Gohman
8f3ee5a54d Fix the way AliasSet::print prints "may alias". 
llvm-svn: 50051
 2008-04-21 19:48:48 +00:00
Duncan Sands
79654e36ce Fix a "large integer implicitly truncated to unsigned type" 
warning.

llvm-svn: 50033
 2008-04-21 07:35:28 +00:00
Dale Johannesen
3453a89a31 (re)fix handling of UGT. Pointed out by Nick Lewycky. 
llvm-svn: 49991
 2008-04-20 16:58:57 +00:00
Chris Lattner
f390d62b7f Switch to using Simplified ConstantFP::get API. 
llvm-svn: 49977
 2008-04-20 00:41:09 +00:00
Dale Johannesen
c1b7e0b477 Fix a scalar evolution bug. Reversing everything 
does not work because of 0; 2>0 but -2U is also >0.

llvm-svn: 49928
 2008-04-18 21:38:31 +00:00
Owen Anderson
cd1b9c4b43 Make GVN able to remove unnecessary calls to read-only functions again. 
llvm-svn: 49842
 2008-04-17 05:36:50 +00:00
Owen Anderson
030428b435 Major repairs to the post-dominators implementation. Patch from Florian Brandner! 
llvm-svn: 49768
 2008-04-16 04:21:16 +00:00
Dale Johannesen
45e14f7753 Don't assume a tail call can't reference a byval 
argument to the outer function, this isn't correct.

llvm-svn: 49731
 2008-04-15 17:41:34 +00:00
Dan Gohman
14dce3e51c Teach AliasSetTracker about VAArgInst. 
llvm-svn: 49674
 2008-04-14 18:34:50 +00:00
Dan Gohman
5c71910cf6 In the special case, call the comparison function instead of 
manually performing the comparison. This allows the special
case to work correctly even in the case where someone is
experimenting with a different comparison function :-).

llvm-svn: 49670
 2008-04-14 18:23:56 +00:00
Chris Lattner
f63bdaf0b5 add a new CallGraphNode::removeCallEdgeFor method, tidy some comments. 
llvm-svn: 49617
 2008-04-13 19:41:25 +00:00
Dan Gohman
9c8e4ef9a9 Fix a typo in a comment. 
llvm-svn: 49504
 2008-04-10 23:02:38 +00:00
Owen Anderson
392a40e40a Fix for PR2190. Memdep's non-local caching was checking dirtied blocks in the 
wrong order.

llvm-svn: 49499
 2008-04-10 22:13:32 +00:00
Daniel Berlin
b8533b394a Fix PR 2169. 
llvm-svn: 49339
 2008-04-07 14:20:50 +00:00
Gabor Greif
6c6b8a57f3 API changes for class Use size reduction, wave 1. 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.

llvm-svn: 49277
 2008-04-06 20:25:17 +00:00
Dan Gohman
f7dfe555d7 Set blockBegin to point to the beginning of the block, 
not the end.

llvm-svn: 48999
 2008-03-31 22:08:00 +00:00
Erick Tryzelaar
847ee3e279 Expose Function::viewCFG and Function::viewCFGOnly to bindings. 
llvm-svn: 48982
 2008-03-31 16:22:09 +00:00
Chris Lattner
a69d949942 minor code cleanups, allow constant folding sinf/cosf. 
llvm-svn: 48961
 2008-03-30 18:02:00 +00:00
Dan Gohman
a363ba510c Don't include <map> in Pass.h, which doesn't need it. This requires 
adding <map> to many files that actually do need it.

llvm-svn: 48667
 2008-03-21 23:51:57 +00:00
Devang Patel
1b64c7d1e5 These passes preserve CFG. 
This patch fixes Benchmarks/Trimaran/enc-pc1/enc-pc1 failure reported by Grawp-PIC i386 nightly tester

llvm-svn: 48623
 2008-03-20 23:27:18 +00:00
Andrew Lenharth
6e32942dfa enable -analyze for andersens 
llvm-svn: 48601
 2008-03-20 15:36:44 +00:00
Devang Patel
f15fe34521 Restore isCFGOnly property of various analysis passes. 
llvm-svn: 48579
 2008-03-20 02:25:21 +00:00
Devang Patel
5e8cbbea65 PassInfo keep tracks whether a pass is an analysis pass or not. 
llvm-svn: 48554
 2008-03-19 21:56:59 +00:00
Devang Patel
38f181fa8c Do not use virtual function to identify an analysis pass. 
llvm-svn: 48520
 2008-03-19 00:48:41 +00:00
Daniel Berlin
0f20fa71ba Fix PR 2160 by making sure arguments to external functions get marked as pointing to anything 
llvm-svn: 48509
 2008-03-18 22:22:53 +00:00
Scott Michel
889ee011f7 Dial down gcc's warnings: don't use 0UL when 0U suffices (and when the 
variables and methods themselves only use unsigned.)

llvm-svn: 48492
 2008-03-18 16:55:06 +00:00
Devang Patel
811ca3ddba Identify Analysis pass. 
Do not run analysis pass again if analysis info is still available.
This fixes PR1441.

llvm-svn: 48476
 2008-03-18 00:39:19 +00:00
Daniel Berlin
2a8fd44b9d Add Hybrid Cycle Detection to Andersen's analysis. 
Patch by Curtis Dunham.

llvm-svn: 47959
 2008-03-05 19:31:47 +00:00
Gabor Greif
fd0fb616f8 Fix http://llvm.org/bugs/show_bug.cgi?id=2104 by ordering lexicographically what gets printed. Be const-correct in PrintResults and uninline it too 
llvm-svn: 47712
 2008-02-28 08:38:45 +00:00
Bill Wendling
af80fae2a7 De-tabify. 
llvm-svn: 47598
 2008-02-26 10:51:52 +00:00
Evan Cheng
e283043860 Temporarily reverting 46959. 
llvm-svn: 47542
 2008-02-25 03:57:32 +00:00
Dan Gohman
0220a930c7 Change a C-style cast to const_cast, to avoid a -Wcast-qual warning. 
llvm-svn: 47437
 2008-02-21 17:33:24 +00:00
Nick Lewycky
3df036a7bf Simplify this code, no functionality change. 
llvm-svn: 47434
 2008-02-21 09:14:53 +00:00
Nick Lewycky
5f7dc506e1 GlobalValues are Constants, remove redundant code. Also fix typo in a comment. 
llvm-svn: 47433
 2008-02-21 08:34:02 +00:00
Anton Korobeynikov
0c5e186924 Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings. 
llvm-svn: 47367
 2008-02-20 11:08:44 +00:00
Nick Lewycky
4df6c66b42 Use getConstant for ConstantInts. 
llvm-svn: 47361
 2008-02-20 06:58:55 +00:00
Nick Lewycky
0b6cdd1eff Add 'umax' similar to 'smax' SCEV. Closes PR2003. 
Parse reversed smax and umax as smin and umin and express them with negative
or binary-not SCEVs (which are really just subtract under the hood).

Parse 'xor %x, -1' as (-1 - %x).

Remove dead code (ConstantInt::get always returns a ConstantInt).

Don't use getIntegerSCEV(-1, Ty). The first value is an int, then it gets
passed into a uint64_t. Instead, create the -1 directly from
ConstantInt::getAllOnesValue().

llvm-svn: 47360
 2008-02-20 06:48:22 +00:00
Duncan Sands
1bba49ca55 Fix a compiler warning. 
llvm-svn: 47328
 2008-02-19 09:28:48 +00:00
Owen Anderson
3efff61819 In addition to arguments passed to it, memcpy (and all other calls) can ModRef pointers that alias their arguments as well. This fixes PR2057. 
llvm-svn: 47317
 2008-02-19 06:47:18 +00:00
Chris Lattner
57eff5b5f5 don't bother calling getUnderlyingObject for non-pointers. 
llvm-svn: 47272
 2008-02-18 17:28:21 +00:00
Owen Anderson
f3107c8546 Since we're not checking for the more general AllocationInst first, we need to explicitly check 
that Object is an Argument before casting it to one.

llvm-svn: 47268
 2008-02-18 10:11:00 +00:00