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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'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129764 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -55,6 +55,11 @@ FunctionPass *llvm::createRegisterAllocator(CodeGenOpt::Level OptLevel) {
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RegisterRegAlloc::setDefault(RegAlloc);
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}
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// This forces linking of the greedy register allocator, so -regalloc=greedy
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// works in clang.
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if (Ctor == createGreedyRegisterAllocator)
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return createGreedyRegisterAllocator();
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if (Ctor != createDefaultRegisterAllocator)
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return Ctor();
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