forked from OSchip/llvm-project
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
//===-- Target.cpp ----------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "../Target.h"
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#include "../Latency.h"
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#include "AArch64.h"
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namespace exegesis {
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namespace {
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class AArch64LatencyBenchmarkRunner : public LatencyBenchmarkRunner {
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public:
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AArch64LatencyBenchmarkRunner(const LLVMState &State)
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: LatencyBenchmarkRunner(State) {}
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private:
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const char *getCounterName() const override {
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// All AArch64 subtargets have CPU_CYCLES as the cycle counter name
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return "CPU_CYCLES";
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}
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};
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class ExegesisAArch64Target : public ExegesisTarget {
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bool matchesArch(llvm::Triple::ArchType Arch) const override {
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return Arch == llvm::Triple::aarch64 || Arch == llvm::Triple::aarch64_be;
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}
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void addTargetSpecificPasses(llvm::PassManagerBase &PM) const override {
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// Function return is a pseudo-instruction that needs to be expanded
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PM.add(llvm::createAArch64ExpandPseudoPass());
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}
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std::unique_ptr<BenchmarkRunner>
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createLatencyBenchmarkRunner(const LLVMState &State) const override {
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return llvm::make_unique<AArch64LatencyBenchmarkRunner>(State);
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}
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};
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} // namespace
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static ExegesisTarget *getTheExegesisAArch64Target() {
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static ExegesisAArch64Target Target;
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return &Target;
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}
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void InitializeAArch64ExegesisTarget() {
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ExegesisTarget::registerTarget(getTheExegesisAArch64Target());
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}
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} // namespace exegesis
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