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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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41
external/llvm/lib/Target/AArch64/AArch64PBQPRegAlloc.h vendored
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@ -1,41 +0,0 @@
//==- AArch64PBQPRegAlloc.h - AArch64 specific PBQP constraints --*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64PBQPREGALOC_H
#define LLVM_LIB_TARGET_AARCH64_AARCH64PBQPREGALOC_H
#include "llvm/ADT/SetVector.h"
#include "llvm/CodeGen/PBQPRAConstraint.h"
namespace llvm {
class TargetRegisterInfo;
/// Add the accumulator chaining constraint to a PBQP graph
class A57ChainingConstraint : public PBQPRAConstraint {
public:
// Add A57 specific constraints to the PBQP graph.
void apply(PBQPRAGraph &G) override;
private:
SmallSetVector<unsigned, 32> Chains;
const TargetRegisterInfo *TRI;
// Add the accumulator chaining constraint, inside the chain, i.e. so that
// parity(Rd) == parity(Ra).
// \return true if a constraint was added
bool addIntraChainConstraint(PBQPRAGraph &G, unsigned Rd, unsigned Ra);
// Add constraints between existing chains
void addInterChainConstraint(PBQPRAGraph &G, unsigned Rd, unsigned Ra);
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_AARCH64_AARCH64PBQPREGALOC_H