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Moved the PBQP allocator class out of the header and back in to the cpp file to hide the gory details.

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Allocator instances can now be created by calling createPBQPRegisterAllocator.

Tidied up use of CoalescerPair as per Jakob's suggestions.

Made the new PBQPBuilder based construction process the default. The internal construction process
remains in-place and available via -pbqp-builder=false for now. It will be removed shortly if the new
process doesn't cause any regressions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114626 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2010-09-23 04:28:54 +00:00
parent 38a9288f78
commit f70e7cc7a2
4 changed files with 195 additions and 183 deletions
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2
include/llvm/CodeGen/Passes.h
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@ -103,7 +103,7 @@ namespace llvm {
/// PBQPRegisterAllocation Pass - This pass implements the Partitioned Boolean
/// Quadratic Prograaming (PBQP) based register allocator.
///
FunctionPass *createPBQPRegisterAllocator();
FunctionPass *createDefaultPBQPRegisterAllocator();
/// SimpleRegisterCoalescing Pass - Coalesce all copies possible. Can run
/// independently of the register allocator.