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835 Commits

Author SHA1 Message Date
Chris Lattner
c2eb0678d8 Add some missing functions. Make sure to handle calls together in case the 
client has another VN implementation that can VN calls.

llvm-svn: 12427
 2004-03-16 03:41:35 +00:00
Chris Lattner
19ce9dbb05 Ok, the assertion was bogus. Calls that do not read/write memory should not 
have an alias set, just like adds and subtracts don't.

llvm-svn: 12422
 2004-03-15 06:28:07 +00:00
Chris Lattner
5654b5de80 This assertion is bogus now that calls do not necessarily read/write memory 
llvm-svn: 12421
 2004-03-15 06:24:15 +00:00
Chris Lattner
62771c4bef Implement CSE of call instructions in the most trivial case. This implements 
GCSE/call_cse.ll

llvm-svn: 12419
 2004-03-15 05:44:59 +00:00
Chris Lattner
cd227e5bdb Fix a minor bug, implementing GCSE/call_pure_function.ll 
Also, add some stuff I missed before.

llvm-svn: 12417
 2004-03-15 04:18:28 +00:00
Chris Lattner
b0cf0f89be Don't be COMPLETELY pessimistic in the face of function calls 
llvm-svn: 12413
 2004-03-15 04:08:36 +00:00
Chris Lattner
cb99b04ead Deinline some virtual methods, provide better mod/ref answers through the 
use of the boolean queries

llvm-svn: 12410
 2004-03-15 04:07:29 +00:00
Chris Lattner
60c61e337a Pass through the boolean queries 
llvm-svn: 12409
 2004-03-15 04:06:46 +00:00
Chris Lattner
0ea40c6fac Teach basicaa about some stdc functions. 
llvm-svn: 12408
 2004-03-15 03:36:49 +00:00
Chris Lattner
37b7966121 Fix a tiny bug that caused an incorrect assertion failure poolallocating 
boxed-sim.

llvm-svn: 12358
 2004-03-13 01:14:23 +00:00
Chris Lattner
f7bc6fd913 Rename the intrinsic enum values for llvm.va_* from Intrinsic::va_* to 
Intrinsic::va*.  This avoid conflicting with macros in the stdlib.h file.

llvm-svn: 12356
 2004-03-13 00:24:00 +00:00
Chris Lattner
bb08e801d4 Fix a couple of minor problems. Because PHI nodes can use themselves, this 
could cause infinite loops.  Also, getUnderlyingObject can return null

llvm-svn: 12351
 2004-03-12 23:12:55 +00:00
Chris Lattner
6bd3783ef8 Implement mod/ref analysis for a trivial case where locals don't escape. 
This comes up when you have a local array on the stack and you never pass
the address of elements around.

llvm-svn: 12349
 2004-03-12 22:39:00 +00:00
Misha Brukman
ffcf81a11b Simplify code to process CallSites (thanks to Chris). 
llvm-svn: 12334
 2004-03-12 16:20:49 +00:00
Misha Brukman
b5e89d17c2 Evaluate ModRef information in addition to regular ol' pointer analysis. 
llvm-svn: 12331
 2004-03-12 06:15:08 +00:00
Misha Brukman
ee27e80a0b Implement getModRefInfo() for DSA to calculate whether a function modifies or 
references a pointer.

llvm-svn: 12330
 2004-03-12 06:14:22 +00:00
Misha Brukman
da119ce857 Make code more readable. 
llvm-svn: 12305
 2004-03-12 00:58:41 +00:00
Chris Lattner
405790ecae Fix PR284: [indvars] Induction variable analysis violates LLVM invariants 
llvm-svn: 12275
 2004-03-10 21:42:19 +00:00
Chris Lattner
9ce3638433 implement new method 
llvm-svn: 12264
 2004-03-09 19:37:06 +00:00
Chris Lattner
9414c55663 Switch to using edge profiling information as the basic source of profile info 
from using basic block counts.

llvm-svn: 12242
 2004-03-08 22:04:08 +00:00
Chris Lattner
83c62c84d6 Refactor implementations 
llvm-svn: 12240
 2004-03-08 21:30:35 +00:00
Chris Lattner
91ea0d3176 Import the trace class from the reoptimizer 
llvm-svn: 12236
 2004-03-08 20:57:27 +00:00
Chris Lattner
de661f7219 If we have edge counts, we can produce block counts. I've verified that 
using an edge profile to produce block counts gives the exact same numbers
as using a block count directly.

llvm-svn: 12232
 2004-03-08 20:03:52 +00:00
Chris Lattner
f3a838662e Add initial support for reading edge counts. This will be improved to enable 
translation of edge counts into block/function counts when possible.

llvm-svn: 12229
 2004-03-08 18:20:18 +00:00
Chris Lattner
1ae4150e31 Fix a bug handling globals that are constants, but are still external 
llvm-svn: 12208
 2004-03-08 03:52:24 +00:00
Chris Lattner
5a9cae47a4 Fix a minor bug 
llvm-svn: 12169
 2004-03-05 22:04:07 +00:00
Misha Brukman
75729872be Unbreak the build on Sparc. 
llvm-svn: 12161
 2004-03-05 20:04:40 +00:00
Chris Lattner
f21e7a75d6 Fix a bug in a previous checkin that broke 175.vpr 
llvm-svn: 12128
 2004-03-04 21:36:57 +00:00
Chris Lattner
c885697daa Add support for strto* and v*printf 
llvm-svn: 12127
 2004-03-04 21:03:54 +00:00
Chris Lattner
48b0fd7101 Add non-crappy support for varargs 
llvm-svn: 12126
 2004-03-04 20:33:47 +00:00
Chris Lattner
ac1eaa43fa Implement a FIXME, improving the efficiency of DSA on povray. 
This reduces CBU time from 145s -> 122s (debug build), reduces # allocated nodes
from 129420 to 116477.

llvm-svn: 12125
 2004-03-04 19:47:04 +00:00
Chris Lattner
e3fc09a37e Speed up the cbu pass from taking somewhere near the age of the universe to about 90s on povray 
llvm-svn: 12123
 2004-03-04 19:16:35 +00:00
Chris Lattner
bc7fc82865 Fix BU datastructures with povray! 
The problem was that we were merging a field of a node with a value that was
deleted.  Thanks to bugpoint for reducing povray to a nice small 3 function
example.  :)

llvm-svn: 12116
 2004-03-04 17:06:53 +00:00
Chris Lattner
e0c90cf983 Minor changes, remove some debugging code that got checked in somehow. 
Make sure to scope the NodeMap passed into cloneInto so that it doesn't point
to nodes that are deleted.  Add some FIXME's for future performance enhancements.

llvm-svn: 12115
 2004-03-04 17:05:28 +00:00
Chris Lattner
790bd9d970 Only clone nodes that are needed in the caller, don't clone ALL aux calls. This improves 
povray from having ~600K nodes and 300K call nodes to 65K nodes and 25K call nodes.

llvm-svn: 12109
 2004-03-04 03:57:53 +00:00
Chris Lattner
a141de0f09 Fix a minor bug handling incomplete programs 
llvm-svn: 12105
 2004-03-03 23:00:19 +00:00
Chris Lattner
0e1cd00f2c Fix a DSA bug that caused DSA to generate incredibly huge graphs and take forever to 
do it on povray.  The problem is that we were not copying globals from callees to
callers unless the existed in both graphs.  We should have copied them in the case
where the global pointed to a node that was copied as well.

llvm-svn: 12104
 2004-03-03 22:01:09 +00:00
Chris Lattner
a6540122dc Deinline methods, add fast exit 
llvm-svn: 12102
 2004-03-03 20:55:27 +00:00
Chris Lattner
309a57f0c0 Fix a node mapping problem that was causing the pool allocator to locally allocate 
nodes that were globally live, thus breaking programs.

llvm-svn: 12094
 2004-03-03 05:34:31 +00:00
Chris Lattner
ea4242a575 FINALLY be able to get symbolic type names in the globals graph! 
llvm-svn: 12082
 2004-03-02 21:39:43 +00:00
Chris Lattner
833646d6b8 Really, only if reopen 
llvm-svn: 12080
 2004-03-02 20:46:18 +00:00
Chris Lattner
e7c638e989 Correctly add an array marker on a node when appropriate! 
llvm-svn: 12055
 2004-03-01 19:02:54 +00:00
Chris Lattner
9bf85f216b Expand on my note-to-self 
llvm-svn: 12029
 2004-03-01 02:44:44 +00:00
Chris Lattner
9e71c09ff5 Only clone global nodes between graphs if both graphs have the global. 
llvm-svn: 11928
 2004-02-27 20:05:15 +00:00
Chris Lattner
138a7dfb62 ADD MORE FUNCTIONS! 
llvm-svn: 11927
 2004-02-27 20:04:48 +00:00
Chris Lattner
d359fbf991 Be a good little compiler and handle direct calls efficiently, even if there 
are beastly ConstantPointerRefs in the way...

llvm-svn: 11883
 2004-02-26 22:07:22 +00:00
Chris Lattner
9e55e31b2d Fix typo 
llvm-svn: 11864
 2004-02-26 03:45:03 +00:00
Chris Lattner
7990e4dcd0 The node doesn't have to be _no_ node flags, it just has to be complete and 
not have any globals.

llvm-svn: 11863
 2004-02-26 03:43:43 +00:00
Chris Lattner
948fffa8a2 Add _more_ functions 
llvm-svn: 11862
 2004-02-26 03:43:08 +00:00
Chris Lattner
9fd0c48f80 Two changes: 
1. Functions do not make things incomplete, only variables
 2. Constant global variables no longer need to be marked incomplete, because
    we are guaranteed that the initializer for the global will be in the
    graph we are hacking on now.  This makes resolution of indirect calls happen
    a lot more in the bu pass, supports things like vtables and the C counterparts
    (giant constant arrays of function pointers), etc...

Testcase here: test/Regression/Analysis/DSGraph/constant_globals.ll

llvm-svn: 11852
 2004-02-25 23:36:08 +00:00