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10031 Commits

Author SHA1 Message Date
Chris Lattner 5645e8a82d Make ConstantExpr::get work for shifts as well 
llvm-svn: 10790
 2004-01-12 19:04:55 +00:00
Chris Lattner 2853a7ed22 Remove use of ConstantHandling 
llvm-svn: 10789
 2004-01-12 18:35:03 +00:00
Chris Lattner 118a76cb2f Remove unneeded #include 
llvm-svn: 10788
 2004-01-12 18:33:54 +00:00
Chris Lattner c04cf98fb6 llvm::ConstantFoldInstruction 
llvm-svn: 10787
 2004-01-12 18:25:56 +00:00
Chris Lattner aecd3e8a10 Move prototype of llvm::ConstantFoldInstruction 
llvm-svn: 10786
 2004-01-12 18:25:44 +00:00
Chris Lattner fc6c859a0c Move llvm::ConstantFoldInstruction from VMCore to here, next to ConstantFoldTerminator 
llvm-svn: 10785
 2004-01-12 18:25:22 +00:00
Chris Lattner 0df14b3f2b Move llvm::ConstantFoldInstruction from here to Transforms/Utils 
llvm-svn: 10784
 2004-01-12 18:25:03 +00:00
Chris Lattner 81d8822396 Remove uses of ConstantHandling itf 
llvm-svn: 10783
 2004-01-12 18:12:44 +00:00
Chris Lattner fe2aafe08a Eliminate use of ConstantHandling itf 
llvm-svn: 10782
 2004-01-12 18:08:18 +00:00
Chris Lattner 85f325b544 Remove use of ConstantHandling itf 
llvm-svn: 10781
 2004-01-12 18:02:15 +00:00
Chris Lattner c99dd898af Eliminate use of ConstantHandling itf 
llvm-svn: 10780
 2004-01-12 17:57:32 +00:00
Chris Lattner 0fe5b32c01 Use constantexprs for casts. Eliminate use of the ConstantHandling interfaces 
llvm-svn: 10779
 2004-01-12 17:43:40 +00:00
Chris Lattner fe992d4332 Fix fairly severe bug in my last checking where we treated all unfoldable 
constants as being "true" when evaluating branches.  This was introduced
because we now create constantexprs for the constants instead of failing the
fold.

llvm-svn: 10778
 2004-01-12 17:40:36 +00:00
Chris Lattner 4bb9bc3a65 Eliminate annoying warnings from the tester, hopefully for real this time. 
llvm-svn: 10777
 2004-01-12 16:55:30 +00:00
John Criswell 42967349be Modified the configure script so that it defines BISON as the bison 
binary and YACC as bison -y.

llvm-svn: 10776
 2004-01-12 16:18:21 +00:00
John Criswell cd08e2815f The configure script now defines BISON as the name of the bison program and 
YACC as bison -y.  In this way, we ensure that bison is being used, but
the Makefiles have macros for using bison itself and for getting bison to
act like it is traditional yacc.

llvm-svn: 10774
 2004-01-12 16:14:54 +00:00
Alkis Evlogimenos 975c8bde79 Output mov %REG = 0 instead of xor %REG, %REG, %REG to clear a 
register so that LiveVariable analysis is not confused.

llvm-svn: 10773
 2004-01-12 07:22:45 +00:00
Chris Lattner 69fba00b85 Bug fixed 
llvm-svn: 10770
 2004-01-12 05:15:04 +00:00
Chris Lattner e0536857aa Testcase for PR204 
llvm-svn: 10769
 2004-01-12 05:01:48 +00:00
Chris Lattner 950b713d22 Add support for %llvmgcc 
llvm-svn: 10768
 2004-01-12 05:01:13 +00:00
Chris Lattner 49f74522ec * Implement minor performance optimization for the getelementptr case 
* Implement SCCP of load instructions, implementing Transforms/SCCP/loadtest.ll
  This allows us to fold expressions like "foo"[2], even if the pointer is only
  a conditional constant.

llvm-svn: 10767
 2004-01-12 04:29:41 +00:00
Chris Lattner 2ca9b10b6a Test to make sure we can SCCP load instructions 
llvm-svn: 10766
 2004-01-12 04:28:32 +00:00
Chris Lattner 7e8af38637 Do not hack on volatile loads. I'm not sure what the point of a volatile load 
from constant memory is, but lets not take chances.

llvm-svn: 10765
 2004-01-12 04:13:56 +00:00
Chris Lattner 05fe6847a8 Implement SCCP/phitest.ll 
llvm-svn: 10763
 2004-01-12 03:57:30 +00:00
Chris Lattner 4d1bb94c3e New testcase, allow folding of binary operators that use PHI nodes, as long 
as the result of the binary operator is always constant.  This does not require
the PHI itself to be constant though.

llvm-svn: 10762
 2004-01-12 03:57:00 +00:00
Chris Lattner fafa2ff2d6 Implement Transforms/ScalarRepl/phinodepromote.ll, which is an important 
case that the C/C++ front-end generates.

llvm-svn: 10761
 2004-01-12 01:18:32 +00:00
Chris Lattner 22c7a36cdc New testcase 
llvm-svn: 10760
 2004-01-12 01:17:42 +00:00
Chris Lattner aacf2a5833 Implement: Assembler/2004-01-11-getelementptrfolding.llx 
llvm-svn: 10759
 2004-01-11 23:56:33 +00:00
Chris Lattner fcd7ccd425 This isn't really an assembler test. This tests to make sure the 
ConstantExpr::getGetElementPtr method folds two getelementptr instructions
when possible.

llvm-svn: 10758
 2004-01-11 23:56:03 +00:00
Chris Lattner d248950a8f Urg, remove testing code. 
llvm-svn: 10757
 2004-01-11 23:30:03 +00:00
Chris Lattner 0180590bea Fix a regression that I introduced yesterday. :( 
llvm-svn: 10756
 2004-01-11 23:29:26 +00:00
Alkis Evlogimenos 52a714b45b Make LiveVariables::HandlePhysRegUse and 
LiveVariables::HandlePhysRegDef private they use information that is
not in memory when LiveVariables finishes the analysis.

Also update the TwoAddressInstructionPass to not use this interface.

llvm-svn: 10755
 2004-01-11 09:18:45 +00:00
Chris Lattner 65f901e23b Check in two changes: 
The first change (which is disabled) compactifies all of the function constant
pools into the global constant pool, in an attempt to reduce the amount of
duplication and overhead.  Unfortunately, as the comment indicates, this is
not yet a win, so it is disabled.

The second change sorts the typeid's so that those types that can be used
by instructions in the program appear earlier in the table than those that
cannot (such as structures and arrays).  This causes the instructions to
be able to use the dense encoding more often, saving about 5K on 254.gap.
This is only a .65% savings though, unfortunately. :(

llvm-svn: 10754
 2004-01-10 23:46:13 +00:00
Chris Lattner 570c69ce01 Hrm, another minor cleanup, which I missed before 
llvm-svn: 10753
 2004-01-10 21:42:24 +00:00
Chris Lattner 03c71fa8c5 Minor cleanup 
llvm-svn: 10752
 2004-01-10 21:40:29 +00:00
Chris Lattner 3bcecb92f3 Update obsolete comments 
Fix iterator invalidation problems which was causing -mstrip to miss some
entries, and read free'd memory.  This shrinks the symbol table of 254.gap
from 333 to 284 bytes!  :)

llvm-svn: 10751
 2004-01-10 21:36:49 +00:00
Chris Lattner a2bfab849f Do not bother to emit a BytecodeBlock for an empty symbol table. This commonly 
occurs when the symbol table for a module has been stripped, making all of the
function local symbols go away.

This saves 6728 bytes in the stripped bytecode file of 254.gap (which obviously
has 841 functions), which isn't a ton, but helps and was easy.

llvm-svn: 10750
 2004-01-10 19:56:59 +00:00
Chris Lattner 8043f8c294 Remove use of llvm/CodeGen/InstrSelection.h 
llvm-svn: 10749
 2004-01-10 19:16:26 +00:00
Chris Lattner 03cbd1ab79 Remove standard C header wrappers 
llvm-svn: 10748
 2004-01-10 19:15:38 +00:00
Chris Lattner d832807311 Remove config wrapper around <cerrno> 
llvm-svn: 10747
 2004-01-10 19:15:14 +00:00
Chris Lattner 7c4b08e99f Remove standard C file wrapper 
llvm-svn: 10746
 2004-01-10 19:15:00 +00:00
Chris Lattner ab0f0f3191 Remove wrapper for standard C file, use <cstdlib> instead 
llvm-svn: 10745
 2004-01-10 19:12:44 +00:00
Chris Lattner 56ca6b810a Remove wrappers around std c files 
llvm-svn: 10744
 2004-01-10 19:12:09 +00:00
Chris Lattner 6c8d212c3b Dead file, use <cstring> instead of this. 
llvm-svn: 10743
 2004-01-10 19:10:22 +00:00
Chris Lattner 0c53031c5e Err, we don't need Config/*.h files for things that are standard C++ 
llvm-svn: 10742
 2004-01-10 19:10:01 +00:00
Chris Lattner b0a5964356 minor comment tweaks 
llvm-svn: 10741
 2004-01-10 19:07:06 +00:00
Chris Lattner 94300bde9b remove obsolete file 
llvm-svn: 10740
 2004-01-10 19:00:26 +00:00
Chris Lattner 4282cbb93a * finegrainify namespacification of ArchiveReader.cpp 
* Refactor reader stuff out of include/llvm/Bytecode/Primitives.h.  This is
  internal implementation details for the reader, not public interfaces!

llvm-svn: 10739
 2004-01-10 19:00:15 +00:00
Chris Lattner 82167909a8 Refactor writer stuff out of include/llvm/Bytecode/Primitives.h. This is 
internal implementation details for the writer, not public interfaces!

llvm-svn: 10738
 2004-01-10 18:56:59 +00:00
Chris Lattner dfe0346e96 Finegrainify namespacification 
llvm-svn: 10737
 2004-01-10 18:49:43 +00:00