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13244 Commits

Author SHA1 Message Date
Chris Lattner a363ea488f New prototype 
llvm-svn: 15102
 2004-07-22 08:07:30 +00:00
Chris Lattner 3844c300de 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 e82780c22e Trivial testcase for dse 
llvm-svn: 15100
 2004-07-22 07:59:20 +00:00
Chris Lattner 053427ff4f Clean up reference counting to stop "leaking" alias sets 
llvm-svn: 15099
 2004-07-22 07:58:18 +00:00
Chris Lattner f2b976bdd5 Remove extraneous punctuation 
llvm-svn: 15098
 2004-07-22 05:51:56 +00:00
Chris Lattner 51f7c9e56d 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
Chris Lattner 001aba76fd Updates to gc intrinsics, contributed by Tobias Nurmiranta 
llvm-svn: 15096
 2004-07-22 05:50:01 +00:00
Chris Lattner 609111020f Update documentation for gc intrinsics change. Contributed by 
Tobias Nurmiranta

llvm-svn: 15095
 2004-07-22 05:49:38 +00:00
Chris Lattner 7324574660 Update gc intrinsics to take pointer to object as well as pointer to field. 
Patch contributed by Tobias Nurmiranta

llvm-svn: 15094
 2004-07-22 05:48:38 +00:00
Alkis Evlogimenos 120187935d Use reverse iterators when updating the vector, since scanning from 
the end will reduce erase() runtimes.

llvm-svn: 15093
 2004-07-22 02:16:53 +00:00
Chris Lattner 6ff6021712 That funny 2-address lowering pass can also cause multiple definitions, 
fortunately, they are easy to handle if we know about them.  This patch fixes
some serious pessimization of code produced by the linscan register allocator.

llvm-svn: 15092
 2004-07-22 00:04:14 +00:00
Chris Lattner adbbc62f82 Minor cleanups 
llvm-svn: 15091
 2004-07-21 23:17:57 +00:00
Chris Lattner fac8452acf Fix cases where we generated horrible code like this: 
mov %EDI, 12
        add %EDI, %ECX
        mov %ECX, 12
        add %ECX, %EDX
        mov %EDX, 12
        add %EDX, %ESI

instead (really!) generate this:

        add %ECX, 12
        add %EDX, 12
        add %ESI, 12

llvm-svn: 15090
 2004-07-21 21:28:26 +00:00
Brian Gaeke 902dcf0729 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
Brian Gaeke 025daeeee6 Include <iostream> here, because most people using DEBUG() want to use std::cerr too. 
This means that users of this file do not also need to include <iostream>.

llvm-svn: 15088
 2004-07-21 20:50:22 +00:00
Misha Brukman dbd14bc3e5 * Add the lost fix to define the second reg of a 2-reg representation of longs 
* Fix opcode RLWNM -> RLWINM since it uses an immediate const shift value

llvm-svn: 15087
 2004-07-21 20:30:18 +00:00
Misha Brukman 87e07f8596 * Speed up canUseAsImmediateForOpcode() by comparing Operand before 
dyn_cast<>ing and checking Constant's value
* Convert tabs to spaces

llvm-svn: 15086
 2004-07-21 20:22:06 +00:00
Chris Lattner d8f5e2ccac * 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
Misha Brukman 8d75aa4475 * Fix printing of signed immediate values (Nate Begeman) 
* Fix printing of `zeroinitializer'
* Fix printing of `linkonce' globals, complete with stubs

llvm-svn: 15084
 2004-07-21 20:11:11 +00:00
Misha Brukman 072af37088 * Fix printing of signed immediate values 
* Generation of opcodes that take 16 bit immediates
* Rewrote multiply to be correct for 64 bit values
* Rewrote all the long handling to be correct for PowerPC
* Fix visitSelectInst() to define the upper register of the pair of regs
  representing a long value

Patch contributed by Nate Begeman.

llvm-svn: 15083
 2004-07-21 20:09:08 +00:00
Chris Lattner 1638de4499 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
Misha Brukman 455622577a Use addSImm() instead of addImm() for stack offsets, which may be negative. 
llvm-svn: 15081
 2004-07-21 19:36:57 +00:00
Misha Brukman 00df656502 Reid doesn't need a definite article in front of his name. 
llvm-svn: 15080
 2004-07-21 18:04:27 +00:00
Misha Brukman 2887818206 Delete extra space; add <p> tags around text within a <div> 
llvm-svn: 15079
 2004-07-21 18:02:43 +00:00
Alkis Evlogimenos c74c7d1101 Fix analysis name. 
llvm-svn: 15078
 2004-07-21 17:23:44 +00:00
Misha Brukman 984bfdc702 Add SUBI instruction 
llvm-svn: 15077
 2004-07-21 15:53:04 +00:00
Misha Brukman ab25ccb9ea Fix spelling of `iterative scan' 
llvm-svn: 15075
 2004-07-21 12:53:14 +00:00
Misha Brukman 53bba06e37 * 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 701071a144 Clear spilled list at once. Remove unused vector. 
llvm-svn: 15073
 2004-07-21 12:00:10 +00:00
Alkis Evlogimenos a3efc03731 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 29d020ab60 Add greater_ptr functor. 
llvm-svn: 15070
 2004-07-21 08:38:06 +00:00
Alkis Evlogimenos fbc436bbce Improve file comment. 
llvm-svn: 15069
 2004-07-21 08:28:39 +00:00
Alkis Evlogimenos d524e5bdf2 Add Iterative scan register allocator. 
llvm-svn: 15068
 2004-07-21 08:24:35 +00:00
Alkis Evlogimenos c03ccc225b Linearscan is no longer experimental. 
llvm-svn: 15067
 2004-07-21 08:18:50 +00:00
Chris Lattner abc4f4523f Add capability to remove aliasing aliassets from an AST 
llvm-svn: 15066
 2004-07-21 07:04:26 +00:00
Chris Lattner b2903c2a1e 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 2cfaef23e4 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 4fbad968f8 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 fdcf624939 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 cd4ae3a3fd Regenerated using autoconf-2.57. 
llvm-svn: 15061
 2004-07-21 03:50:25 +00:00
Brian Gaeke b1ea500aa1 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 a87044523f Regenerated with autoconf/autoheader 2.57 
llvm-svn: 15059
 2004-07-21 03:33:58 +00:00
Brian Gaeke 84a69f1494 Solaris hack for isinf() 
llvm-svn: 15058
 2004-07-21 03:32:51 +00:00
Brian Gaeke a5adf7948c 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 1dde3fa94f 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 adcf66fb8f 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 920f4dd59e Regenerated with autoheader-2.57. 
Patch contributed by Bill Wendling.

llvm-svn: 15054
 2004-07-21 03:15:02 +00:00
Brian Gaeke 499b01d29d Add call to check for isinf(). 
Patch contributed by Bill Wendling.

llvm-svn: 15053
 2004-07-21 03:14:51 +00:00
Brian Gaeke 25318b1381 Add support for checking for isinf(). 
Patch contributed by Bill Wendling.

llvm-svn: 15052
 2004-07-21 03:14:39 +00:00
Brian Gaeke 2698a6cb8e Regenerated with autoconf-2.57. 
Patch contributed by Bill Wendling.

llvm-svn: 15051
 2004-07-21 03:14:12 +00:00