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745 Commits

Author SHA1 Message Date
Alkis Evlogimenos
6627a32ff9 Merging the linear scan register allocator in trunk. It currently passes most tests under test/Programs/SingleSource/Benchmarks/Shootout so development will continue on trunk. The allocator is not enabled by default. You will need to pass -regallo=linearscan to lli or llc to use it. 
llvm-svn: 10103
 2003-11-20 03:32:25 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Brian Gaeke
612254327c Fix problems linking against the reoptimizer; _llvm_regAllocState must have 
externally-visible linkage, and SaveStateToModule must default to true for llc.
I don't remember why I made it const; perhaps it should be deconstified.

llvm-svn: 9858
 2003-11-10 07:12:01 +00:00
Brian Gaeke
490bf81152 Operand numbers are now ints. Save the register allocation of the value 
each instruction produces as "operand" -1, and the other operands as 0
.. n, as before. PhyRegAlloc::saveState() is refactored into
PhyRegAlloc::saveStateForValue().

llvm-svn: 9842
 2003-11-10 00:05:26 +00:00
Misha Brukman
6667a74caf Let's not forget about our friends -- Constant Pool indices. 
llvm-svn: 9750
 2003-11-06 00:04:11 +00:00
Chris Lattner
1370c57a42 Do not use a class before it is defined. 
Be gcc 3.4 clean

llvm-svn: 9727
 2003-11-05 06:25:06 +00:00
Brian Gaeke
8dadbe31dc Update verifySavedState()'s comment, so that it reflects its current 
status.  In doFinalization(), skip over external functions, just like
Anand's mapping info does.

llvm-svn: 9703
 2003-11-04 22:42:41 +00:00
Brian Gaeke
f641ebe313 Add comments. 
llvm-svn: 9697
 2003-11-04 18:25:56 +00:00
Brian Gaeke
29d56dd004 Include llvm/CodeGen/MachineCodeForInstruction.h. Use it to start 
implementing verifySavedState().

In saveState(), use the new AllocInfo::AllocStateTy enum, and increment
Insn each time through the loop.

llvm-svn: 9617
 2003-10-30 21:21:33 +00:00
Brian Gaeke
e78feb1c40 Make AllocState an enum. 
Move the stringifying method for that enum into class AllocInfo.

llvm-svn: 9616
 2003-10-30 21:21:22 +00:00
Brian Gaeke
04e6824a3f Publicize the type of FnAllocState. 
Prototype option to save state in a global instead of as a Constant in
 the Module. (Turned off, for now, with the on/off switch welded in the off
 position. You get the idea.)

llvm-svn: 9500
 2003-10-24 21:21:58 +00:00
Chris Lattner
d09d070385 standardize command line option names 
llvm-svn: 9496
 2003-10-24 20:05:58 +00:00
Brian Gaeke
665123fb99 Move the implementations of ==, != on AllocInfos here, from UnpackTraceFunction. 
llvm-svn: 9452
 2003-10-23 20:39:18 +00:00
Brian Gaeke
6d9f7ff0df Move AllocInfo structure to a private AllocInfo.h header file. 
Make FnAllocState contain vectors of AllocInfo, instead of LLVM Constants.
Give doFinalization a method comment, and let it do the work of converting
 AllocInfos to LLVM Constants.

llvm-svn: 9451
 2003-10-23 20:32:55 +00:00
Brian Gaeke
98fbdd344e Make FnAllocState contain vectors of AllocInfo, instead of LLVM Constants. 
llvm-svn: 9450
 2003-10-23 20:32:02 +00:00
Brian Gaeke
ede0b08125 New file, containing AllocInfo structure. 
llvm-svn: 9449
 2003-10-23 20:31:51 +00:00
Misha Brukman
966d423f89 * Eliminate `using' directive 
* Fix order of #includes
* Make code layout more consistent
* Eliminate extraneous whitespace and comment-lines

llvm-svn: 9433
 2003-10-23 18:10:02 +00:00
Misha Brukman
97911fb3bb * Fix order of #include files 
* Doxygen-ify method comments

llvm-svn: 9432
 2003-10-23 18:06:27 +00:00
Misha Brukman
c1b01b50fb * Order #includes as per style guide 
* Doxygen-ify comments
* Make code layout more consistent

llvm-svn: 9431
 2003-10-23 18:03:50 +00:00
Misha Brukman
765938c377 * Use C++ style comments instead of C-style 
* Make file description more readable
* Make code layout more consistent, include comment in assert so it's visible
  during execution if it hits

llvm-svn: 9430
 2003-10-23 18:02:47 +00:00
Misha Brukman
2c119cec9b * Eliminate `using' directive 
* Make code layout more consistent

llvm-svn: 9427
 2003-10-23 17:43:17 +00:00
Misha Brukman
22e5a5848b Make code layout more consistent. 
llvm-svn: 9426
 2003-10-23 17:39:37 +00:00
Brian Gaeke
916b2522f9 Change the type of FnAllocState. 
llvm-svn: 9388
 2003-10-22 20:44:29 +00:00
Brian Gaeke
5952eddbfb Don't worry about converting each function's reg. alloc. state into One Big 
Constant early on, because we can do it in doFinalization.

Tighten up a comment.

llvm-svn: 9387
 2003-10-22 20:44:23 +00:00
Brian Gaeke
4e1aade603 Add prototype for verifySavedState(). 
llvm-svn: 9386
 2003-10-22 20:23:13 +00:00
Brian Gaeke
08fc8bcce4 Doxygenify method comments. 
Try to improve method comments a little.
Get rid of some excess whitespace; put braces on previous line when possible.
Add stub for method to verify the work of saveState().

llvm-svn: 9385
 2003-10-22 20:22:53 +00:00
John Criswell
4746befea3 Added LLVM copyright notice. 
llvm-svn: 9324
 2003-10-21 15:29:18 +00:00
John Criswell
de34542f41 Added LLVM copyright header. 
llvm-svn: 9321
 2003-10-21 15:17:13 +00:00
John Criswell
71d2894956 Added LLVM copyright notice to Makefiles. 
llvm-svn: 9312
 2003-10-20 22:26:57 +00:00
John Criswell
b402729b30 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner
87843f87b8 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
llvm-svn: 9269
 2003-10-19 21:34:28 +00:00
Chris Lattner
eab4a2d0d1 #include vector which we will need here soon 
llvm-svn: 9144
 2003-10-15 22:09:32 +00:00
Chris Lattner
f2ed60c0b7 Decrease usage of use_size() 
llvm-svn: 9135
 2003-10-15 16:48:29 +00:00
Chris Lattner
b6c8569f05 Regularize header file comments 
llvm-svn: 9071
 2003-10-13 03:32:08 +00:00
Misha Brukman
9fcbd8d16f * Doxygenified comments 
* Wrap code at 80 columns
* Ordered includes according to LLVM style guide

llvm-svn: 9020
 2003-10-10 17:41:32 +00:00
Alkis Evlogimenos
74568bc9d4 Change MRegisterDesc::AliasSet, TargetInstrDescriptor::ImplicitDefs 
and TargetInstrDescriptor::ImplicitUses to always point to a null
terminated array and never be null. So there is no need to check for
pointer validity when iterating over those sets. Code that looked
like:

if (const unsigned* AS = TID.ImplicitDefs) {
  for (int i = 0; AS[i]; ++i) {
    // use AS[i]
  }
}

was changed to:

for (const unsigned* AS = TID.ImplicitDefs; *AS; ++AS) {
  // use *AS
}

llvm-svn: 8960
 2003-10-08 05:20:08 +00:00
Alkis Evlogimenos
a37b58ce09 Moved enum and command-line option in separate file. Also added function that returns the user selected register allocator to the caller. 
llvm-svn: 8819
 2003-10-02 16:57:49 +00:00
Chris Lattner
b0860d88c2 include passes.h which defines the interface this file exposes 
llvm-svn: 8793
 2003-09-30 20:13:59 +00:00
Brian Gaeke
8b15e271a5 Update head-of-file comment. 
llvm-svn: 8699
 2003-09-24 18:16:23 +00:00
Brian Gaeke
1c9978c999 Untabify tabs in stuff I've recently added. 
Check in my register allocator state-saving code.

llvm-svn: 8698
 2003-09-24 18:08:54 +00:00
Brian Gaeke
dee6b30348 Use getRegClassID() instead of getRegClass()->getID(), since it's there. 
Shorten the markSuggestedColorUsable method.
Add a switch for saving reg. alloc. state (coming soon).

llvm-svn: 8697
 2003-09-24 17:50:28 +00:00
Brian Gaeke
9ef4c789e3 Remove some unused methods of class IGNode. 
llvm-svn: 8696
 2003-09-24 04:29:52 +00:00
Chris Lattner
afea820122 Move getAnalysisUsage method from header to .cpp file. Add a normal file 
header comment

llvm-svn: 8679
 2003-09-23 15:13:04 +00:00
Brian Gaeke
1fdcd32b79 Use C++ math header instead of C version. 
llvm-svn: 8648
 2003-09-21 03:57:37 +00:00
Brian Gaeke
4013dbc6b0 Erase now-unused prototypes. 
llvm-svn: 8647
 2003-09-21 02:51:00 +00:00
Brian Gaeke
0478925a82 Rearrange #includes ... since there are fewer now I guess it's a win. 
(I also zapped printMachineCode() and printLabel() at the previous checkin,
but forgot to mention it.)

llvm-svn: 8646
 2003-09-21 02:50:21 +00:00
Brian Gaeke
605ed35234 Standardize the names of include guards. 
llvm-svn: 8645
 2003-09-21 02:31:37 +00:00
Brian Gaeke
84114e1b72 Standardize the names of include guards. 
Remove more excess whitespace.

llvm-svn: 8644
 2003-09-21 02:31:25 +00:00
Brian Gaeke
92f4b04f66 Standardize the names of include guards. 
Fix typos in file header comment.

llvm-svn: 8643
 2003-09-21 02:31:15 +00:00
Brian Gaeke
4f86f6e887 I tried to standardize the formatting and tidy up the huge amount of 
excess whitespace a little. Also improved some comments.

llvm-svn: 8642
 2003-09-21 02:24:09 +00:00