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Author SHA1 Message Date
Chris Lattner
f4c2dcbe21 Add header file I accidentally removed in teh shuffle 
llvm-svn: 10795
 2004-01-12 19:15:20 +00:00
Chris Lattner
35771f4fd2 Fix out of date comment, remove use of ConstantExpr::getShift 
llvm-svn: 10794
 2004-01-12 19:12:58 +00:00
Chris Lattner
de401bbd4b Remove use of the ConstantHandling interfaces 
llvm-svn: 10793
 2004-01-12 19:12:50 +00:00
Chris Lattner
47e9056669 Remove use of ConstantExpr::getShift 
llvm-svn: 10792
 2004-01-12 19:10:58 +00:00
Chris Lattner
758109ce2e Don't use ConstantExpr::getShift anymore 
llvm-svn: 10791
 2004-01-12 19:08:43 +00:00
Chris Lattner
52759f5c5e Make ConstantExpr::get work for shifts as well 
llvm-svn: 10790
 2004-01-12 19:04:55 +00:00
Chris Lattner
23da5dbed6 Remove use of ConstantHandling 
llvm-svn: 10789
 2004-01-12 18:35:03 +00:00
Chris Lattner
4db788b6c5 Remove unneeded #include 
llvm-svn: 10788
 2004-01-12 18:33:54 +00:00
Chris Lattner
98a45667fb llvm::ConstantFoldInstruction 
llvm-svn: 10787
 2004-01-12 18:25:56 +00:00
Chris Lattner
28e5347635 Move prototype of llvm::ConstantFoldInstruction 
llvm-svn: 10786
 2004-01-12 18:25:44 +00:00
Chris Lattner
7242f6af5f Move llvm::ConstantFoldInstruction from VMCore to here, next to ConstantFoldTerminator 
llvm-svn: 10785
 2004-01-12 18:25:22 +00:00
Chris Lattner
e6b9c1001b Move llvm::ConstantFoldInstruction from here to Transforms/Utils 
llvm-svn: 10784
 2004-01-12 18:25:03 +00:00
Chris Lattner
a5101c4743 Remove uses of ConstantHandling itf 
llvm-svn: 10783
 2004-01-12 18:12:44 +00:00
Chris Lattner
41ac9c82f9 Eliminate use of ConstantHandling itf 
llvm-svn: 10782
 2004-01-12 18:08:18 +00:00
Chris Lattner
c290310e9f Remove use of ConstantHandling itf 
llvm-svn: 10781
 2004-01-12 18:02:15 +00:00
Chris Lattner
a2612e417c Eliminate use of ConstantHandling itf 
llvm-svn: 10780
 2004-01-12 17:57:32 +00:00
Chris Lattner
5a9246fb56 Use constantexprs for casts. Eliminate use of the ConstantHandling interfaces 
llvm-svn: 10779
 2004-01-12 17:43:40 +00:00
Chris Lattner
8e3cb82d12 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
91b68d6a5a Eliminate annoying warnings from the tester, hopefully for real this time. 
llvm-svn: 10777
 2004-01-12 16:55:30 +00:00
John Criswell
572ea1a080 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
e6439708ea 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
44747c570a 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
88ea3eff8c Bug fixed 
llvm-svn: 10770
 2004-01-12 05:15:04 +00:00
Chris Lattner
c45c2bdbad Testcase for PR204 
llvm-svn: 10769
 2004-01-12 05:01:48 +00:00
Chris Lattner
6c47632b4d Add support for %llvmgcc 
llvm-svn: 10768
 2004-01-12 05:01:13 +00:00
Chris Lattner
a523d45c39 * 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
fec681ed7c Test to make sure we can SCCP load instructions 
llvm-svn: 10766
 2004-01-12 04:28:32 +00:00
Chris Lattner
cb0fc1ce41 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
1269b71517 Implement SCCP/phitest.ll 
llvm-svn: 10763
 2004-01-12 03:57:30 +00:00
Chris Lattner
4bfeceb15a 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
40c667e0bc 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
f4af28db0c New testcase 
llvm-svn: 10760
 2004-01-12 01:17:42 +00:00
Chris Lattner
a4f199b80c Implement: Assembler/2004-01-11-getelementptrfolding.llx 
llvm-svn: 10759
 2004-01-11 23:56:33 +00:00
Chris Lattner
68bae4ff19 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
1e781891a5 Urg, remove testing code. 
llvm-svn: 10757
 2004-01-11 23:30:03 +00:00
Chris Lattner
7fb38d32a0 Fix a regression that I introduced yesterday. :( 
llvm-svn: 10756
 2004-01-11 23:29:26 +00:00
Alkis Evlogimenos
ef7c077e63 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
734c9747df 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
12a46c4d00 Hrm, another minor cleanup, which I missed before 
llvm-svn: 10753
 2004-01-10 21:42:24 +00:00
Chris Lattner
95db39508d Minor cleanup 
llvm-svn: 10752
 2004-01-10 21:40:29 +00:00
Chris Lattner
06e5894c37 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
accd21042c 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
4771545c89 Remove use of llvm/CodeGen/InstrSelection.h 
llvm-svn: 10749
 2004-01-10 19:16:26 +00:00
Chris Lattner
e4a3a98db3 Remove standard C header wrappers 
llvm-svn: 10748
 2004-01-10 19:15:38 +00:00
Chris Lattner
960a22a097 Remove config wrapper around <cerrno> 
llvm-svn: 10747
 2004-01-10 19:15:14 +00:00
Chris Lattner
852fe1861f Remove standard C file wrapper 
llvm-svn: 10746
 2004-01-10 19:15:00 +00:00
Chris Lattner
362ac0817b Remove wrapper for standard C file, use <cstdlib> instead 
llvm-svn: 10745
 2004-01-10 19:12:44 +00:00
Chris Lattner
ef4ace0cd9 Remove wrappers around std c files 
llvm-svn: 10744
 2004-01-10 19:12:09 +00:00
Chris Lattner
67ad3eb9f0 Dead file, use <cstring> instead of this. 
llvm-svn: 10743
 2004-01-10 19:10:22 +00:00
Chris Lattner
7318f16390 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