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Author SHA1 Message Date
Alkis Evlogimenos
40d8d044fe Fix analysis name. 
llvm-svn: 15078
 2004-07-21 17:23:44 +00:00
Misha Brukman
3d395cbda3 Add SUBI instruction 
llvm-svn: 15077
 2004-07-21 15:53:04 +00:00
Misha Brukman
f432931d8c Fix spelling of `iterative scan' 
llvm-svn: 15075
 2004-07-21 12:53:14 +00:00
Misha Brukman
bfa2cebdc6 * Uncomment rule for location of LLI (formerly commented out: typo?) 
* Add space between VAR and `='

llvm-svn: 15074
 2004-07-21 12:47:40 +00:00
Alkis Evlogimenos
183f8af791 Clear spilled list at once. Remove unused vector. 
llvm-svn: 15073
 2004-07-21 12:00:10 +00:00
Alkis Evlogimenos
c767432a26 Change std::list into a std::vector for IntervalSets. This reduces 
compile time for 176.gcc from 5.6 secs to 4.7 secs.

llvm-svn: 15072
 2004-07-21 09:46:55 +00:00
Alkis Evlogimenos
441f3a155d Add greater_ptr functor. 
llvm-svn: 15070
 2004-07-21 08:38:06 +00:00
Alkis Evlogimenos
8a162136e1 Improve file comment. 
llvm-svn: 15069
 2004-07-21 08:28:39 +00:00
Alkis Evlogimenos
b5f60641f4 Add Iterative scan register allocator. 
llvm-svn: 15068
 2004-07-21 08:24:35 +00:00
Alkis Evlogimenos
75dbcf6d06 Linearscan is no longer experimental. 
llvm-svn: 15067
 2004-07-21 08:18:50 +00:00
Chris Lattner
195950df76 Add capability to remove aliasing aliassets from an AST 
llvm-svn: 15066
 2004-07-21 07:04:26 +00:00
Chris Lattner
67c1deddfc Add a bunch of new functionality, primarily to do with removing aliasing 
pointers from an AST.

llvm-svn: 15065
 2004-07-21 07:03:57 +00:00
Chris Lattner
f9976c5dbf Make the AST interface a bit richer by returning whether an insertion caused 
an insertion or not (because the pointer set already existed).

llvm-svn: 15064
 2004-07-21 05:18:04 +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
36940c22f7 Do not ignore casts unless they are pointer-pointer casts. This caused us 
to miscompile the SingleSource/Regression/C++/pointer_member.cpp program.

llvm-svn: 15062
 2004-07-21 03:56:54 +00:00
Brian Gaeke
8c0fb92856 Regenerated using autoconf-2.57. 
llvm-svn: 15061
 2004-07-21 03:50:25 +00:00
Brian Gaeke
d907fb65db Add AC_MSG_CHECKING and AC_MSG_RESULT statements which were missing 
from two of our custom checks.

llvm-svn: 15060
 2004-07-21 03:50:01 +00:00
Brian Gaeke
2a45315ad0 Regenerated with autoconf/autoheader 2.57 
llvm-svn: 15059
 2004-07-21 03:33:58 +00:00
Brian Gaeke
1c49659e4f Solaris hack for isinf() 
llvm-svn: 15058
 2004-07-21 03:32:51 +00:00
Brian Gaeke
853c525672 Add check for finite(). Solaris doesn't have isinf, but it has finite...go 
figure!

llvm-svn: 15057
 2004-07-21 03:30:27 +00:00
Brian Gaeke
d8775ad4f1 Emit NaNs and INFs bit-identically to the bytecode file, if the system has 
printf("%a") support.
Patch contributed by Bill Wendling.

llvm-svn: 15056
 2004-07-21 03:15:26 +00:00
Brian Gaeke
38bd15e507 Add prototypes for platform-independent wrappers for isinf(). 
Patch contributed by Bill Wendling.

llvm-svn: 15055
 2004-07-21 03:15:14 +00:00
Brian Gaeke
94394bea47 Regenerated with autoheader-2.57. 
Patch contributed by Bill Wendling.

llvm-svn: 15054
 2004-07-21 03:15:02 +00:00
Brian Gaeke
07582185fc Add call to check for isinf(). 
Patch contributed by Bill Wendling.

llvm-svn: 15053
 2004-07-21 03:14:51 +00:00
Brian Gaeke
b29aef7a08 Add support for checking for isinf(). 
Patch contributed by Bill Wendling.

llvm-svn: 15052
 2004-07-21 03:14:39 +00:00
Brian Gaeke
cb31d835ed Regenerated with autoconf-2.57. 
Patch contributed by Bill Wendling.

llvm-svn: 15051
 2004-07-21 03:14:12 +00:00
Brian Gaeke
be7ccca4ab Add platform-independent wrapper function for isinf(). 
Patch contributed by Bill Wendling.

llvm-svn: 15050
 2004-07-21 03:13:50 +00:00
Brian Gaeke
b9b176fab3 Move LLVM tool definitions to Makefile.rules 
llvm-svn: 15049
 2004-07-21 01:31:47 +00:00
Misha Brukman
3e3d141a92 Shorts are aligned to 2 bytes, bools to 1 byte (in structs). 
llvm-svn: 15048
 2004-07-20 20:59:57 +00:00
Misha Brukman
6283677946 Treat external variables similarly to those with weak linkage: load indirect. 
llvm-svn: 15047
 2004-07-20 20:43:05 +00:00
Misha Brukman
1954583a4a Refer would-be llvm-gcc source users/hackers to the compilation guide. 
llvm-svn: 15046
 2004-07-20 20:25:18 +00:00
Misha Brukman
1c856fcf9e Use C++-style <cstdio> instead of C-style <stdio.h> 
llvm-svn: 15042
 2004-07-20 16:14:06 +00:00
Misha Brukman
f47940855d Differentiate between global and weak symbol loads 
llvm-svn: 15037
 2004-07-20 15:52:25 +00:00
Misha Brukman
fe769110a0 * Differentiate between global and weak symbol loads 
* Fix functions that take more than 32 bytes of args
* Alignment of doubles in structs is 4 bytes, not 8
* Fix passing long args: rN = hi, rN+1 = lo
* Rewrite signed divide
* Rewrite Intrinsic::returnaddress

Patch courtesy of Nate Begeman.

llvm-svn: 15036
 2004-07-20 15:51:37 +00:00
Misha Brukman
5b5aff390a Differentiate between global and weak symbol loads 
llvm-svn: 15035
 2004-07-20 15:45:27 +00:00
Misha Brukman
1942534307 Double alignment in structs is 4 bytes, not 8. Patch by Nate Begeman. 
llvm-svn: 15034
 2004-07-20 15:43:25 +00:00
Alkis Evlogimenos
cb3b2fc439 Add function to clear all virtual->physical mappings but not assigned 
stack slots. This is in preparation for the iterative linear scan.

llvm-svn: 15032
 2004-07-20 13:28:17 +00:00
Alkis Evlogimenos
89ae43ca19 Remove unneeded functor. LiveInterval has a < operator. 
llvm-svn: 15031
 2004-07-20 10:20:03 +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
Chris Lattner
f6d78f81c0 new testcase 
llvm-svn: 15028
 2004-07-20 05:20:39 +00:00
Chris Lattner
da83200d72 Ignore instructions that are in trivially dead functions. This allows us 
to constify 14 globals instead of 4 in a trivial C++ testcase.

llvm-svn: 15027
 2004-07-20 03:58:07 +00:00
Misha Brukman
0a12f91274 Fix stack frame layout in prologue/epilogue. Patch courtesy of Nate Begeman. 
llvm-svn: 15026
 2004-07-20 02:23:09 +00:00
Misha Brukman
6a7fd4d0a9 Dump the old-fashioned C-style <ctype.h> in favor of new `C++'-style <cctype> 
llvm-svn: 15025
 2004-07-20 02:18:25 +00:00
Chris Lattner
f6eb30e9a8 Implement InstCombine/GEPIdxCanon.ll 
llvm-svn: 15024
 2004-07-20 01:48:15 +00:00
Chris Lattner
074200ea75 New testcase that instcombine should help out with. 
llvm-svn: 15023
 2004-07-20 01:47:49 +00:00
Chris Lattner
8277141f09 Implement SimplifyCFG/BrUnwind.ll 
llvm-svn: 15022
 2004-07-20 01:17:38 +00:00
Chris Lattner
0a86aa9915 test that unconditional branches to unwinds are always eliminated 
llvm-svn: 15021
 2004-07-20 01:17:19 +00:00
Misha Brukman
6baf9045f6 Move handing of GlobalValues from getReg() to copyConstantToRegister(), this 
will avoid extra register-to-register copies.  Thanks to Chris for the idea.

llvm-svn: 15019
 2004-07-20 00:59:38 +00:00
Chris Lattner
d9c41a82a3 Rewrite cast->cast elimination code completely based on the information we 
actually care about.  Someday when the cast instruction is gone, we can do
better here, but this will do for now.  This implements
instcombine/cast.ll:test17/18 as well.

llvm-svn: 15018
 2004-07-20 00:59:32 +00:00