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Force the greedy register allocator to be linked alongside linear scan. 

This means that the new register allocator can be used with 'clang -mllvm -regalloc=greedy'.

llvm-svn: 129764
This commit is contained in:
Jakob Stoklund Olesen 2011-04-19 17:17:58 +00:00
parent bcd09b3a7f
commit af12138d10
1 changed files with 5 additions and 0 deletions
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5
llvm/lib/CodeGen/Passes.cpp
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@ -55,6 +55,11 @@ FunctionPass *llvm::createRegisterAllocator(CodeGenOpt::Level OptLevel) {
RegisterRegAlloc::setDefault(RegAlloc); RegisterRegAlloc::setDefault(RegAlloc);
} }
// This forces linking of the greedy register allocator, so -regalloc=greedy
// works in clang.
if (Ctor == createGreedyRegisterAllocator)
return createGreedyRegisterAllocator();
if (Ctor != createDefaultRegisterAllocator) if (Ctor != createDefaultRegisterAllocator)
return Ctor(); return Ctor();