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ee2e403545
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Dan Gohman ee2e403545 Add a new "fast" scheduler. This is currently basically just a 
copy of the BURRList scheduler, but with several parts ripped
out, such as backtracking, online topological sort maintenance
(needed by backtracking), the priority queue, and Sethi-Ullman
number computation and maintenance (needed by the priority
queue). As a result of all this, it generates somewhat lower
quality code, but that's its tradeoff for running about 30%
faster than list-burr in -fast mode in many cases.

This is somewhat experimental. Moving forward, major pieces of
this can be refactored with pieces in common with
ScheduleDAGRRList.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56307 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18 16:26:26 +00:00
..
Analysis Finally re-apply r46959. This is made feasible by the combination 2008-09-16 18:52:57 +00:00
Archive Fold the useful features of alist and alist_node into ilist, and 2008-07-28 21:51:04 +00:00
AsmParser Update generated files. 2008-09-09 01:13:24 +00:00
Bitcode Re-enables the new vector select in the bitcode reader, by modifying the 2008-09-16 01:01:33 +00:00
CodeGen Add a new "fast" scheduler. This is currently basically just a 2008-09-18 16:26:26 +00:00
Debugger Add #include 2008-08-23 21:34:34 +00:00
ExecutionEngine Preliminary support for systems which require changing JIT memory regions privilege from read / write to read / executable. 2008-09-18 07:54:21 +00:00
Linker Make safer variant of alias resolution routine to be default 2008-09-09 20:05:04 +00:00
Support Updating VC++ project. 2008-08-24 11:56:40 +00:00
System Preliminary support for systems which require changing JIT memory regions privilege from read / write to read / executable. 2008-09-18 07:54:21 +00:00
Target Duh. Default to ARMCC::AL (always). 2008-09-18 07:28:19 +00:00
Transforms Do not hoist instruction above branch condition. The instruction may use branch condition. 2008-09-17 18:21:49 +00:00
VMCore Fix WriteAsOperand to not emit a leading space character. Adjust 2008-09-14 17:21:12 +00:00
Makefile