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752 Commits

Author SHA1 Message Date
Alkis Evlogimenos
a327e7fea9 Make assertion stricter. Since the source operands are allocated at 
this point, the second operand must be a physical register (it cannot
be a virtual one).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10292 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-05 11:31:39 +00:00
Alkis Evlogimenos
49787e35c3 Fix bug in register spilling when a preallocated live range overlaps a 
potential register assignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10291 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-05 11:17:55 +00:00
Alkis Evlogimenos
b27ef248f5 Move operator<<(std::ostream&, const LiveInterval&) out of the header file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10290 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-05 10:38:28 +00:00
Alkis Evlogimenos
91ceae6d20 Sort live intervals by increasing start point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10289 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-05 10:32:01 +00:00
Alkis Evlogimenos
69546d5f84 Improve debugging output and clean up some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10288 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-04 03:57:28 +00:00
Alkis Evlogimenos
585870759b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10272 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-30 23:40:39 +00:00
Alkis Evlogimenos
99d1a8f048 Remove "numReloaded" statistic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10268 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-30 05:15:36 +00:00
Alkis Evlogimenos
ff0cbe175d 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10103 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-20 03:32:25 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
Brian Gaeke
e9414cab00 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9858 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-10 07:12:01 +00:00
Brian Gaeke
213904133d 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().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9842 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-10 00:05:26 +00:00
Misha Brukman
e2bf0a2c36 Let's not forget about our friends -- Constant Pool indices. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9750 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-06 00:04:11 +00:00
Chris Lattner
414d9d2707 Do not use a class before it is defined. 
Be gcc 3.4 clean


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9727 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-05 06:25:06 +00:00
Brian Gaeke
55766e139a Update verifySavedState()'s comment, so that it reflects its current 
status.  In doFinalization(), skip over external functions, just like
Anand's mapping info does.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9703 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-04 22:42:41 +00:00
Brian Gaeke
cce4e7a1b1 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9697 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-04 18:25:56 +00:00
Brian Gaeke
3ceac85296 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9617 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-30 21:21:33 +00:00
Brian Gaeke
82c5eb7bc8 Make AllocState an enum. 
Move the stringifying method for that enum into class AllocInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9616 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-30 21:21:22 +00:00
Brian Gaeke
8fc493430c 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.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9500 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-24 21:21:58 +00:00
Chris Lattner
3e43026095 standardize command line option names 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9496 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-24 20:05:58 +00:00
Brian Gaeke
232db6e8d6 Move the implementations of ==, != on AllocInfos here, from UnpackTraceFunction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9452 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 20:39:18 +00:00
Brian Gaeke
537132bf12 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9451 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 20:32:55 +00:00
Brian Gaeke
b8dbbcee25 Make FnAllocState contain vectors of AllocInfo, instead of LLVM Constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9450 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 20:32:02 +00:00
Brian Gaeke
3d7125cd66 New file, containing AllocInfo structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9449 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 20:31:51 +00:00
Misha Brukman
f54c437714 * Eliminate `using' directive 
* Fix order of #includes
* Make code layout more consistent
* Eliminate extraneous whitespace and comment-lines


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9433 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 18:10:02 +00:00
Misha Brukman
396c8c34ed * Fix order of #include files 
* Doxygen-ify method comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9432 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 18:06:27 +00:00
Misha Brukman
0d82a54bb9 * Order #includes as per style guide 
* Doxygen-ify comments
* Make code layout more consistent


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9431 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 18:03:50 +00:00
Misha Brukman
a1f64355d7 * 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9430 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 18:02:47 +00:00
Misha Brukman
0849f5ace9 * Eliminate `using' directive 
* Make code layout more consistent


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9427 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 17:43:17 +00:00
Misha Brukman
5e152593e0 Make code layout more consistent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9426 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 17:39:37 +00:00
Brian Gaeke
3692fd97a6 Change the type of FnAllocState. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9388 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 20:44:29 +00:00
Brian Gaeke
60a3c55c4f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9387 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 20:44:23 +00:00
Brian Gaeke
b8dc21e1e2 Add prototype for verifySavedState(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9386 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 20:23:13 +00:00
Brian Gaeke
af84370908 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().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9385 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 20:22:53 +00:00
John Criswell
aefb666d07 Added LLVM copyright notice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9324 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-21 15:29:18 +00:00
John Criswell
856ba76200 Added LLVM copyright header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9321 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-21 15:17:13 +00:00
John Criswell
e488e9360b Added LLVM copyright notice to Makefiles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9312 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 22:26:57 +00:00
John Criswell
b576c94c15 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 19:43:21 +00:00
Chris Lattner
3b237fcd38 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9269 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-19 21:34:28 +00:00
Chris Lattner
60fa583545 #include vector which we will need here soon 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9144 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-15 22:09:32 +00:00
Chris Lattner
fd05924946 Decrease usage of use_size() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9135 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-15 16:48:29 +00:00
Chris Lattner
cf3056db0f Regularize header file comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9071 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-13 03:32:08 +00:00
Misha Brukman
aa41c3ca20 * Doxygenified comments 
* Wrap code at 80 columns
* Ordered includes according to LLVM style guide


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9020 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-10 17:41:32 +00:00
Alkis Evlogimenos
73ff5120eb 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
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8960 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-08 05:20:08 +00:00
Alkis Evlogimenos
7237ecef13 Moved enum and command-line option in separate file. Also added function that returns the user selected register allocator to the caller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8819 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-02 16:57:49 +00:00
Chris Lattner
797c136607 include passes.h which defines the interface this file exposes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8793 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-30 20:13:59 +00:00
Brian Gaeke
222bd53c2c Update head-of-file comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8699 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-24 18:16:23 +00:00
Brian Gaeke
6a256cc37c Untabify tabs in stuff I've recently added. 
Check in my register allocator state-saving code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8698 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-24 18:08:54 +00:00
Brian Gaeke
59b1c566c9 Use getRegClassID() instead of getRegClass()->getID(), since it's there. 
Shorten the markSuggestedColorUsable method.
Add a switch for saving reg. alloc. state (coming soon).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8697 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-24 17:50:28 +00:00
Brian Gaeke
eefaeb84f1 Remove some unused methods of class IGNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8696 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-24 04:29:52 +00:00
Chris Lattner
8474f6fcda Move getAnalysisUsage method from header to .cpp file. Add a normal file 
header comment


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8679 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-23 15:13:04 +00:00