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1565 Commits

Author SHA1 Message Date
Chris Lattner
f31ae4da07 Make sure to remove the Select instruction as well 
llvm-svn: 16389
 2004-09-18 00:32:40 +00:00
Chris Lattner
228e66d208 Fix typo in comment 
llvm-svn: 16384
 2004-09-17 03:58:39 +00:00
Chris Lattner
e54e70266e Add a newline 
llvm-svn: 16369
 2004-09-15 17:53:52 +00:00
Reid Spencer
c6a8d70cff Convert code to compile with vc7.1. 
Patch contributed by Paolo Invernizzi. Thanks Paolo!

llvm-svn: 16368
 2004-09-15 17:06:42 +00:00
Chris Lattner
5751f19d86 Fix a bug in the previous checkin that broke 255.vortex 
llvm-svn: 16355
 2004-09-15 02:34:40 +00:00
Chris Lattner
6833186048 Make sure to update alias analysis information as we transform the function. 
This fixes PR420 and Regression/Transforms/LICM/2004-09-14-AliasAnalysisInvalidate.llx

llvm-svn: 16348
 2004-09-15 01:04:07 +00:00
Chris Lattner
1d9b957384 If given an AliasSetTracker object to update, update it. 
llvm-svn: 16347
 2004-09-15 01:02:54 +00:00
Chris Lattner
a7635e78c2 Remove a long-dead pass. Actually, this pass was never used at all. 
llvm-svn: 16337
 2004-09-14 16:33:01 +00:00
Alkis Evlogimenos
0c50e0f211 Fixes to make LLVM compile with vc7.1. 
Patch contributed by Paolo Invernizzi!

llvm-svn: 16152
 2004-09-03 18:19:51 +00:00
Reid Spencer
c4abcbefb1 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Reid Spencer
7117a132ea Initial checkin of a pass to lower packed operations to scalars operations. 
This also registers the pass with opt with a -lower-packed command line
option.

Patch contributed by Brad Jones.

llvm-svn: 15987
 2004-08-21 21:39:24 +00:00
Chris Lattner
9f60c755f8 If we are linking two global variables and they have the same size, do not 
spew warnings, even if the types don't match.

llvm-svn: 15933
 2004-08-20 00:30:39 +00:00
Chris Lattner
8e2dc1a98a Implement test/Regression/Transforms/GlobalConstifier/phi-select.llx 
This allows more globals to be marked constant, particularly global arrays.

llvm-svn: 15735
 2004-08-14 20:57:17 +00:00
Chris Lattner
84445ee674 If we are extracting a block that has multiple successors that are the same 
block (common in a switch), make sure to remove extra edges in successor
blocks.  This fixes CodeExtractor/2004-08-12-BlockExtractPHI.ll and should
be pulled into LLVM 1.3 (though the regression test need not be, as that
would require pulling in the LoopExtract.cpp changes).

llvm-svn: 15717
 2004-08-13 03:27:07 +00:00
Chris Lattner
2c3ad7902d When we code extract some stuff, leave the codeRepl block in the place where 
the extracted code was, instead of putting it at the end of the function

llvm-svn: 15716
 2004-08-13 03:17:39 +00:00
Chris Lattner
8537ae6e2c "extract" the block extractor pass from bugpoint (haha) 
llvm-svn: 15714
 2004-08-13 03:05:17 +00:00
Chris Lattner
7abc1c2473 Add value mapper support for select constant exprs. This should fix a bug 
Nate ran into when bugpointing siod.  This fix should go into LLVM 1.3

llvm-svn: 15712
 2004-08-13 02:43:19 +00:00
Chris Lattner
32ad5d0bab This patch makes the inliner refuse to inline functions that have alloca 
instructions in the body of the function (not the entry block).  This fixes
test/Programs/SingleSource/Regression/C/2004-08-12-InlinerAndAllocas.c
and test/Programs/External/SPEC/CINT2000/176.gcc on zion.

This should obviously be pulled into 1.3.

llvm-svn: 15684
 2004-08-12 05:45:09 +00:00
Chris Lattner
85e2339cfa Fix code extraction of unwind blocks. This fixed bugs that bugpoint can 
run into.  This should go into 1.3

llvm-svn: 15679
 2004-08-12 03:17:02 +00:00
Chris Lattner
430578a835 Hrm, this pass didn't compile. This bugfix should go into 1.3! 
llvm-svn: 15676
 2004-08-12 02:44:23 +00:00
Chris Lattner
2f98c58e84 Fix InstCombine/2004-08-10-BoolSetCC.ll, a bug that is miscompiling 
176.gcc.  Note that this is apparently not the only bug miscompiling gcc
though. :(

llvm-svn: 15639
 2004-08-11 00:50:51 +00:00
Chris Lattner
32b5c4960c Fix InstCombine/2004-08-09-RemInfLoop.llx 
This should go into the 1.3 branch

llvm-svn: 15593
 2004-08-09 21:05:48 +00:00
Chris Lattner
c5a25532c7 Fix another really nasty regression that Anshu pointed out. In cases where 
dangling constant users were removed from a function, causing it to be dead,
we never removed the call graph edge from the external node to the function.

In most cases, this didn't cause a problem (by luck).  This should definitely
go into 1.3

llvm-svn: 15570
 2004-08-08 03:29:50 +00:00
Chris Lattner
0c29b326fb Two fixes: 
1. Fix a REALLY nasty cyclic replacement issue that Anshu discovered, causing
   nondeterminstic crashes and memory corruption.
2. For performance, don't go inserting constantexpr casts of GV pointers.

This should definitely go into 1.3

llvm-svn: 15568
 2004-08-08 01:30:07 +00:00
Chris Lattner
7f088ed899 This DEBUG is buggy. comment it out because it's not worth fixing. This 
should go into 1.3

llvm-svn: 15567
 2004-08-08 01:27:56 +00:00
Alkis Evlogimenos
f853362a44 Stop using getValues(). 
llvm-svn: 15487
 2004-08-04 08:44:43 +00:00
Chris Lattner
41c8b70624 Fix a regression in InstCombine/xor.ll 
llvm-svn: 15410
 2004-08-01 19:42:59 +00:00
Chris Lattner
170b31f44d Expose this as a functionpass 
llvm-svn: 15369
 2004-07-31 10:01:58 +00:00
Misha Brukman
4b70aa2e78 Fix De Morgan's name. 
llvm-svn: 15343
 2004-07-30 12:50:08 +00:00
Chris Lattner
e63c404df2 Start using the PatternMatcher a bit. 
llvm-svn: 15342
 2004-07-30 07:50:03 +00:00
Misha Brukman
8760d70159 Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15337
 2004-07-29 17:30:57 +00:00
Misha Brukman
58104df77b Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15334
 2004-07-29 17:30:56 +00:00
Misha Brukman
2a80e53645 Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15328
 2004-07-29 17:05:13 +00:00
Alkis Evlogimenos
fb27f702ca Merge i*.h headers into Instructions.h as part of bug403. 
llvm-svn: 15325
 2004-07-29 12:17:34 +00:00
Robert Bocchino
4325ca6606 This change fixed a bug in the function visitMul. The prior version 
assumed that a constant on the RHS of a multiplication was either an
IntConstant or an FPConstant.  It checked for an IntConstant and then,
if it did not find one, did a hard cast to an FPConstant.  That code
would crash if the RHS were a ConstantExpr that was neither an
IntConstant nor an FPConstant.  This version replaces the hard cast
with a dyn_cast.  It performs the same way for IntConstants and
FPConstants but does nothing, instead of crashing, for constant
expressions.

The regression test for this change is 2004-07-27-ConstantExprMul.ll.

llvm-svn: 15291
 2004-07-27 21:02:21 +00:00
Brian Gaeke
45adb41f46 Make the create...() functions for some of these passes return a FunctionPass *. 
llvm-svn: 15276
 2004-07-27 17:43:21 +00:00
Chris Lattner
5cfb85064e Fix hoisting of void typed values, e.g. calls 
llvm-svn: 15263
 2004-07-27 07:38:32 +00:00
Chris Lattner
59aff88abe Implement DeadStoreElim/alloca.llx by observing that allocas are dead at the 
end of the function (either return or unwind)

llvm-svn: 15232
 2004-07-26 06:14:11 +00:00
Chris Lattner
c2e9c56906 Throttle back indvar substitution from creating multiplies in loops. This is bad bad bad. 
llvm-svn: 15227
 2004-07-26 02:47:12 +00:00
Chris Lattner
a259f9201c * Substantially simplify how free instructions are handled (potentially fixing 
a bug in DSE).
* Delete dead operand uses iteratively instead of recursively, using a
  SetVector.
* Defer deletion of dead operand uses until the end of processing, which means
  we don't have to bother with updating the AliasSetTracker.  This speeds up
  DSE substantially.

llvm-svn: 15204
 2004-07-25 11:09:56 +00:00
Chris Lattner
0a9d5e6f14 Free instructions kill values too. This implements DeadStoreElim/free.llx 
llvm-svn: 15199
 2004-07-25 07:58:38 +00:00
Chris Lattner
29e97f36bf obvious fix 
llvm-svn: 15162
 2004-07-24 07:51:27 +00:00
Chris Lattner
7e9731bc4f This is a trivial dead store elimination pass. It very very simple and 
can be improved in many ways.  But: stop laughing, even with -basicaa it
deletes 15% of the stores in 252.eon :)

llvm-svn: 15101
 2004-07-22 08:00:28 +00:00
Chris Lattner
7b301dfa9d Update GC intrinsics to take a pointer to the object as well as a pointer 
to the field being updated.  Patch contributed by Tobias Nurmiranta

llvm-svn: 15097
 2004-07-22 05:51:13 +00:00
Brian Gaeke
f18cdca667 These files don't need to include <iostream> since they include "Support/Debug.h". 
llvm-svn: 15089
 2004-07-21 20:50:33 +00:00
Chris Lattner
b77bda4432 * Further cleanup. 
* Test for whether bits are shifted out during the optzn.

If so, the fold is illegal, though it can be handled explicitly for setne/seteq

This fixes the miscompilation of 254.gap last night, which was a latent bug
exposed by other optimizer improvements.

llvm-svn: 15085
 2004-07-21 20:14:10 +00:00
Chris Lattner
a3c10c2012 Make cast-cast code a bit more defensive 
"simplify" a bit of code for comparison/and folding

llvm-svn: 15082
 2004-07-21 19:50:44 +00:00
Chris Lattner
62c40d3982 Remove special casing of pointers and treat them generically as integers of 
the appopriate size.  This gives us the ability to eliminate int -> ptr -> int

llvm-svn: 15063
 2004-07-21 04:27:24 +00:00
Chris Lattner
4e4b8b0ad2 Fix a serious code pessimization problem. If an inlined function has a single 
return, clone the 'ret' BB code into the block AFTER the inlined call, not the
other way around.

llvm-svn: 15030
 2004-07-20 05:45:24 +00:00
Chris Lattner
f8c20caf25 Implement Transforms/InstCombine/IntPtrCast.ll 
llvm-svn: 15029
 2004-07-20 05:21:00 +00:00