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13391 Commits

Author SHA1 Message Date
Misha Brukman a594740016 Correctly print out long branches, assert on finding pseudo instr COND_BRANCH 
Patch by Nate Begeman.

llvm-svn: 15286
 2004-07-27 18:40:39 +00:00
Misha Brukman 09396bf158 Run the branch selection pass right before the asm printer. 
Patch by Nate Begeman.

llvm-svn: 15285
 2004-07-27 18:39:34 +00:00
Misha Brukman 4d66925aea Remove empty unused method processFunctionBeforeFrameFinalized() 
llvm-svn: 15284
 2004-07-27 18:38:40 +00:00
Misha Brukman 83df71af70 Add COND_BRANCH pseudo instruction, patch by Nate Begeman. 
llvm-svn: 15283
 2004-07-27 18:35:54 +00:00
Misha Brukman 5b092c15c6 Build COND_BRANCHes which may become long or short, decided by a later pass. 
Patch by Nate Begeman.

llvm-svn: 15282
 2004-07-27 18:35:23 +00:00
Misha Brukman a783ee55a9 Moved definition of invertPPCBranchOpcode() into PowerPCInstrInfo class. 
Patch by Nate Begeman.

llvm-svn: 15281
 2004-07-27 18:34:11 +00:00
Misha Brukman ef8cf023a0 Add PowerPCBranchSelector to discover which are `long' branches. 
Contributed by Nate Begeman.

llvm-svn: 15280
 2004-07-27 18:33:06 +00:00
Brian Gaeke f4c1d1ee34 TargetInstrInfo::getNOPOpCode() has been replaced by a reference to V9::NOP. 
llvm-svn: 15279
 2004-07-27 17:43:24 +00:00
Brian Gaeke 64f51df06d Convert many of the virtual TargetInstrInfo methods used as helper 
functions in SparcV9InstrSelection and SparcV9PreSelection into regular
old global functions.  As it happens, none of them really have anything
to do with TargetInstrInfo.

llvm-svn: 15278
 2004-07-27 17:43:23 +00:00
Brian Gaeke b788626dc8 As it happens, none of these TargetInstrInfo methods which are only 
used in the SparcV9 backend really have anything to do with
TargetInstrInfo, so we're converting them into regular old global
functions and moving their declarations to SparcV9InstrSelectionSupport.h.
(They're mostly used as helper functions for SparcV9InstrSelection.)

llvm-svn: 15277
 2004-07-27 17:43:22 +00:00
Brian Gaeke 38b79e8fbc Make the create...() functions for some of these passes return a FunctionPass *. 
llvm-svn: 15276
 2004-07-27 17:43:21 +00:00
Misha Brukman 9eaa879f49 Fixed saving/restoring LR unconditionally, only done as necessary. 
llvm-svn: 15275
 2004-07-27 17:17:48 +00:00
Misha Brukman bc1a2f96a6 Save and restore LR just like any other register and ONLY if we actually modify 
it (due to calls or globals access).  We now compile `void empty(){}' to `blr'.

llvm-svn: 15274
 2004-07-27 17:17:18 +00:00
Misha Brukman 26978c3730 LR is a 32-bit int reg 
llvm-svn: 15273
 2004-07-27 17:15:32 +00:00
Misha Brukman f1a7e941fb MovePCtoLR (which is `bl' in disguise) modifies LR implicitly 
llvm-svn: 15272
 2004-07-27 17:15:05 +00:00
Misha Brukman 2bcffa484b Register LR is callee-saved 
llvm-svn: 15271
 2004-07-27 17:14:34 +00:00
Misha Brukman 640ec1e5e6 Add IMPLICIT_DEF of LR for branch-and-link instrs (calls and global accesses) 
llvm-svn: 15270
 2004-07-27 17:13:58 +00:00
Chris Lattner 5174f436d2 Ugh, the upgrade of zion brought in GCC 3.3.2, our arch nemesis. 
llvm-svn: 15269
 2004-07-27 08:29:06 +00:00
Chris Lattner aa5b25eae6 Run DSE at link-time, and turn on an IP alias analysis by default in gccld! 
The -disable-globalsmodref is temporary and will be removed eventually.

llvm-svn: 15268
 2004-07-27 08:13:15 +00:00
Chris Lattner 036d2b0c4d nuke pointless -debug output 
llvm-svn: 15267
 2004-07-27 08:03:18 +00:00
Chris Lattner d138437ffc New functionality 
llvm-svn: 15266
 2004-07-27 07:50:07 +00:00
Chris Lattner cea15a64a2 Document new syntax 
llvm-svn: 15265
 2004-07-27 07:49:39 +00:00
Chris Lattner b696462260 Fix conservative assumption, which was quite broken. Also, notice that 
functions known to not access memory (like sin/cos) don't access memory! :)

llvm-svn: 15264
 2004-07-27 07:46:26 +00:00
Chris Lattner 50eb771d37 Fix hoisting of void typed values, e.g. calls 
llvm-svn: 15263
 2004-07-27 07:38:32 +00:00
Chris Lattner 89c0c0ae3f alloca void makes no sense 
llvm-svn: 15262
 2004-07-27 07:30:02 +00:00
Chris Lattner 731381dc0e Remove a bogus assertion 
llvm-svn: 15261
 2004-07-27 07:22:21 +00:00
Chris Lattner 3a353e84b7 Complete rewrite of this pass to be faster, use less memory, be easier to 
understand, and more accurate to boot!  This implements
GlobalModRef/purecse.ll over the previous impl.

llvm-svn: 15260
 2004-07-27 06:40:37 +00:00
Chris Lattner 0373d994a0 new testcase 
llvm-svn: 15259
 2004-07-27 06:35:11 +00:00
Chris Lattner e30d3c8292 Have some testcases 
llvm-svn: 15258
 2004-07-27 06:26:08 +00:00
Chris Lattner cf146d4e6e Add a note 
llvm-svn: 15257
 2004-07-27 04:00:54 +00:00
Chris Lattner b46f558bed Fix out of date comment 
llvm-svn: 15256
 2004-07-27 03:04:30 +00:00
Chris Lattner 7ef55da237 Simplify code and silence warning 
llvm-svn: 15255
 2004-07-27 02:34:49 +00:00
Chris Lattner 9b323c3521 Use context-sensitive alias analysis to avoid pessimization in clients of 
AliasSetTracker (dse and licm).  This implements
DeadStoreElimination/context-sensitive.llx

llvm-svn: 15254
 2004-07-27 02:20:26 +00:00
Chris Lattner 0a0fc220cc New testcase. DSE should delete all of the DEAD instructions. 
llvm-svn: 15253
 2004-07-27 02:19:27 +00:00
Chris Lattner aa05a6e5a1 Make basicaa a bit more aggressive 
llvm-svn: 15252
 2004-07-27 02:18:52 +00:00
Chris Lattner 6b570266b8 basic-aa can actually provide simple mod/ref info 
llvm-svn: 15251
 2004-07-27 02:13:55 +00:00
Chris Lattner 782ab98c56 This was implemented back in march 
llvm-svn: 15250
 2004-07-27 01:59:42 +00:00
Chris Lattner 577fc3f576 Implement test/Regression/TableGen/ListSlices.td 
llvm-svn: 15249
 2004-07-27 01:01:21 +00:00
Chris Lattner 0ff7eb9ba9 New testcase for list slicing 
llvm-svn: 15248
 2004-07-27 01:00:56 +00:00
Chris Lattner 8bf9e06ddd Add initial support for list slices. This currently allows you to do stuff 
like this:

def B {
  list<int> X = [10, 20, 30, 4, 1, 1231, 20] [2-4,2,2,0-6];
}

... which isn't particularly useful, but more is to come.

llvm-svn: 15247
 2004-07-26 23:21:34 +00:00
Reid Spencer a559cb8e10 A utility to run an arbitrary program on each of the LLVM source files. 
This is like llvmgrep but instead of running grep, it runs the command
given by the first argument. For example, to find the top ten files with
the most lines in llvm, you could:

utils/llvmdo wc -l | sort -nb | tail

Or, to find any source files with the wrong permissions, you could:

utils/llvmdo ls -l | grep -v rw-r--r--

Hopefully, you get the idea.

llvm-svn: 15246
 2004-07-26 22:52:44 +00:00
Misha Brukman b5ed14486b Do not store the stack pointer if the stack size is 0. 
Also, convert C-style comments to C++ and make sure code wraps at 80 cols.

llvm-svn: 15245
 2004-07-26 22:00:26 +00:00
Misha Brukman 58499ead7d ADDI can take several forms, including: 
addi r1, r2, 0
  addi r1, <frame index #n>, 0

so we must check for the second parameter being a register for this instruction
to be considered a reg-to-reg copy.

llvm-svn: 15244
 2004-07-26 21:50:38 +00:00
Misha Brukman 6c125a92d7 assert() on MachineInstr properties instead of checking them dynamically 
llvm-svn: 15243
 2004-07-26 21:35:58 +00:00
Misha Brukman 43f1c4045a * Recognize `addi r1, r2, 0' a move instruction 
* List formats of instructions currently recognized as moves

llvm-svn: 15242
 2004-07-26 21:29:00 +00:00
Chris Lattner 7f50013b0e Remove dead section 
llvm-svn: 15241
 2004-07-26 21:16:55 +00:00
Misha Brukman a332a646a0 Fix indentation: should be 2 spaces. 
llvm-svn: 15240
 2004-07-26 18:48:58 +00:00
Misha Brukman cf7d3af07f Fix file header as it has been renamed. 
llvm-svn: 15239
 2004-07-26 18:45:48 +00:00
Misha Brukman bca562404c Renamed files to have the `X86' prefix for uniqueness purposes. 
All CVS history was renamed, the *,v were copied over.  No worries.

llvm-svn: 15238
 2004-07-26 18:43:11 +00:00
Misha Brukman 74e3a17958 * Rewrote casts 
* Implemented GEP folding
* Dynamically output global address stuff once per function
* Fix casting fp<->short/byte

Patch contributed by Nate Begeman.

llvm-svn: 15237
 2004-07-26 18:13:24 +00:00