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

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129764 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-04-19 17:17:58 +00:00
parent 37d38bfbbf
commit 430721cff8
1 changed files with 5 additions and 0 deletions
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5
lib/CodeGen/Passes.cpp
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@ -55,6 +55,11 @@ FunctionPass *llvm::createRegisterAllocator(CodeGenOpt::Level OptLevel) {
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)
return Ctor();