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9388 Commits

Author SHA1 Message Date
Chris Lattner 6d760d7cb3 Add an option to enable the SSA based peephole optimizer. 
Eventually this pass will provide substantially better code in the interim between when we
have a crappy isel and nice isel.  Unfortunately doing so requires fixing the backend to
actually SUPPORT all of the fancy addressing modes that we now generate, and writing a DCE
pass for machine code.  Each of these is a fairly substantial job, so this will remain disabled
for the immediate future.  :(

llvm-svn: 10276
 2003-12-01 05:18:30 +00:00
Chris Lattner a913723309 Add a new SSA-based peephole optimizer which includes copy propagation and 
folding of instructions into addressing modes.  This creates lots of dead
instructions, which are currently not deleted.  It also creates a lot of
instructions that the X86 backend currently cannot handle.  :(

llvm-svn: 10275
 2003-12-01 05:15:28 +00:00
Chris Lattner 128937bbe2 generalize the instruction types permitted a bit 
llvm-svn: 10274
 2003-12-01 05:13:56 +00:00
Chris Lattner 6cf03df531 fix broken link 
llvm-svn: 10273
 2003-12-01 05:12:09 +00:00
Alkis Evlogimenos 26f17e73eb Print instructions before register allocation is performed. Also fix 
bug where spill instructions were added to the next basic block
instead of the end of the current one if the instruction that required
the spill was the last in the block.

llvm-svn: 10272
 2003-11-30 23:40:39 +00:00
Chris Lattner 0fcba7f6b3 add missing dependency 
llvm-svn: 10271
 2003-11-30 09:22:42 +00:00
Chris Lattner d8218923ae Finegrainify namespacification 
llvm-svn: 10270
 2003-11-30 06:13:25 +00:00
Chris Lattner 121d04d1ae A line was missing 
llvm-svn: 10269
 2003-11-30 05:46:14 +00:00
Alkis Evlogimenos 0aa40f8db0 Remove "numReloaded" statistic. 
llvm-svn: 10268
 2003-11-30 05:15:36 +00:00
Chris Lattner 98e72b4bb3 Emit constants to one contiguous block, but this time, respect alignment constraints. 
If this doesn't work Misha, feel free to revert it.

llvm-svn: 10267
 2003-11-30 04:23:21 +00:00
Misha Brukman 873cf93b6e Go back to allocating memory for each constant separately. Since SPARCs do not 
allow unaligned loads, that is probably the problem I've been seeing in numerous
SPARC test cases failing. X86, on the other hand, just slows down unaligned
accesses, since it must make 2 aligned accesses for each unaligned one.

llvm-svn: 10266
 2003-11-30 00:50:53 +00:00
Chris Lattner 58efc9e0fe be 3.4 happy 
llvm-svn: 10265
 2003-11-29 20:04:13 +00:00
Chris Lattner 839030b3a8 be GCC 3.4 clean 
llvm-svn: 10264
 2003-11-29 19:55:12 +00:00
Chris Lattner 594654f17d Hrm, how could this compile? 
llvm-svn: 10263
 2003-11-29 19:55:02 +00:00
Chris Lattner 982b285232 Fix compatibility with gcc 3.4 
llvm-svn: 10262
 2003-11-29 19:45:47 +00:00
Chris Lattner 3edb8478a4 Build _lib_crtend.a, not crtend.a 
llvm-svn: 10260
 2003-11-29 10:24:57 +00:00
Chris Lattner d52319f54e Don't print out tons of crap 
llvm-svn: 10259
 2003-11-29 10:14:17 +00:00
Chris Lattner 910c8d834e Rewrite makefile logic to build an archive instead of a .o file. This is 
intended to address PR142

llvm-svn: 10257
 2003-11-29 10:05:30 +00:00
Chris Lattner fe8f8b4947 Simplify some rules 
Move LGCCLDPROG from test/Makefile.tests

llvm-svn: 10256
 2003-11-29 09:50:15 +00:00
Chris Lattner 462444e1ea Move rule to top-level makefile 
llvm-svn: 10255
 2003-11-29 09:49:14 +00:00
Chris Lattner 46c6693781 Add readme and spiff up makefile header 
llvm-svn: 10254
 2003-11-29 09:22:53 +00:00
Chris Lattner 212e596ede Testcase for duplicated cleanup work (PR11). Note that this testcase is not actually 
tested automatically, so it is practically useless.  However, it seemed silly to throw
away my testcase, so here it is.

llvm-svn: 10253
 2003-11-29 09:10:50 +00:00
Chris Lattner 8384f97ee4 Fix test: Transforms/LevelRaise/2003-11-28-IllegalTypeConversion.ll 
Some gep generalization changes

llvm-svn: 10252
 2003-11-29 05:31:25 +00:00
Chris Lattner 6d94d10377 new testcase for problem causing 2003-10-12-GlobalVarInitializers failures 
llvm-svn: 10251
 2003-11-29 05:19:15 +00:00
Chris Lattner 8abd7dca76 The function resolving pass must be run, even if -disable-opt is specified 
llvm-svn: 10250
 2003-11-28 09:44:03 +00:00
Chris Lattner fcaa6fbbd8 * The return value of LinkLibraries is ignored, so remove it. 
* Finegrainify namespacification of Linker.cpp
* If linking a library in fails, do not STOP LINKING IN LIBRARIES AND
  CONTINUE ANYWAY!  Instead, just output the warning, and keep going. :)

llvm-svn: 10249
 2003-11-28 07:44:09 +00:00
Chris Lattner 1fdd8a45c3 fix gcc 3.4 compatibility problem 
llvm-svn: 10248
 2003-11-28 01:46:06 +00:00
Chris Lattner 68ac670086 Testcase for PR160 
llvm-svn: 10247
 2003-11-28 01:32:03 +00:00
Chris Lattner 9201586a98 New testcase for PR158 
llvm-svn: 10246
 2003-11-27 21:25:07 +00:00
Chris Lattner 40487e450b Fix grammaro 
llvm-svn: 10245
 2003-11-27 21:17:48 +00:00
Chris Lattner ff4aa6dbe2 testcase for PR159 
llvm-svn: 10244
 2003-11-27 20:47:16 +00:00
Chris Lattner a24a54d2f4 PR11 is now fixed for 1.1! 
llvm-svn: 10243
 2003-11-27 09:52:03 +00:00
Chris Lattner 8139b78c03 PR11 is now fixed for 1.1 
llvm-svn: 10242
 2003-11-27 09:51:54 +00:00
Chris Lattner 2a7033255e * Squelch warning on Sun 
* stdlib and friends are system headers
* 'long long' is the type that consistently turns into the LLVM 'long' type.

llvm-svn: 10241
 2003-11-27 07:48:45 +00:00
John Criswell f1387a59bf Makefiles are now copies over to the object root directory dynamically. 
llvm-svn: 10240
 2003-11-26 20:09:49 +00:00
John Criswell 96be650984 Renamed intermediate values that used the same type and name as previous 
values.  All of these files should assemble now.

llvm-svn: 10239
 2003-11-26 14:45:37 +00:00
Chris Lattner 0548bc2472 Bugz die! 
llvm-svn: 10238
 2003-11-26 08:20:34 +00:00
Chris Lattner 9192f90865 Testcase for PR157 
llvm-svn: 10237
 2003-11-26 07:35:52 +00:00
Chris Lattner 6789a0b1d4 To not barf when an error occurs. 
llvm-svn: 10236
 2003-11-26 07:24:58 +00:00
Chris Lattner b27353c892 Boogs 
llvm-svn: 10235
 2003-11-26 02:48:00 +00:00
Chris Lattner 86d5c1ca2b More dead boogers 
llvm-svn: 10233
 2003-11-26 01:18:49 +00:00
Chris Lattner eb64b6a922 output foo(void) as appropriate 
llvm-svn: 10232
 2003-11-26 00:09:17 +00:00
Chris Lattner 883b73f0a8 Fix bug in previous checkin 
llvm-svn: 10231
 2003-11-25 23:44:40 +00:00
John Criswell a0d50d2ebc Fixed a small grammatical error. 
Explained that function return types cannot be aggregate types.
Explained that functions with the same name but different type signatures
are considered to be different functions.

llvm-svn: 10230
 2003-11-25 21:45:46 +00:00
Chris Lattner f5569bb9a5 Fix const correctness 
llvm-svn: 10229
 2003-11-25 21:28:00 +00:00
Chris Lattner ad70d4a15b Relax constrains on GEP type indexes 
llvm-svn: 10228
 2003-11-25 21:21:46 +00:00
Chris Lattner 1c45d5185f It is legal to index into sequential types with any integer 
llvm-svn: 10227
 2003-11-25 21:20:19 +00:00
Chris Lattner 52310702a1 Do not use index type to determine what it is indexing into! 
llvm-svn: 10226
 2003-11-25 21:09:18 +00:00
Chris Lattner 637ee39933 Do not depend on the gep index types to determine what flavor of index it is 
llvm-svn: 10225
 2003-11-25 20:49:55 +00:00
Chris Lattner f078808a2b Do not depend on structure elements being of type UByteTy 
llvm-svn: 10224
 2003-11-25 20:44:56 +00:00