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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.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10103 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos
2003-11-20 03:32:25 +00:00
parent 18c4d850c4
commit ff0cbe175d
7 changed files with 1724 additions and 4 deletions
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7
include/llvm/CodeGen/Passes.h
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@ -44,12 +44,17 @@ FunctionPass *createSimpleRegisterAllocator();
///
FunctionPass *createLocalRegisterAllocator();
/// LinearScanRegisterAllocation Pass - This pass implements the
/// linear scan register allocation algorithm, a global register
/// allocator.
///
FunctionPass *createLinearScanRegisterAllocator();
/// PrologEpilogCodeInserter Pass - This pass inserts prolog and epilog code,
/// and eliminates abstract frame references.
///
FunctionPass *createPrologEpilogCodeInserter();
/// getRegisterAllocator - This creates an instance of the register allocator
/// for the Sparc.
FunctionPass *getRegisterAllocator(TargetMachine &T);