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Move static functions to .cpp file, reduce #includes, pass strings by
const&. llvm-svn: 23890
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@ -18,11 +18,9 @@
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#ifndef LLVM_TARGET_SUBTARGETFEATURE_H
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#ifndef LLVM_TARGET_SUBTARGETFEATURE_H
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#define LLVM_TARGET_SUBTARGETFEATURE_H
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#define LLVM_TARGET_SUBTARGETFEATURE_H
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#include <string>
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#include <string>
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#include <vector>
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#include <vector>
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#include <iostream>
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#include <iosfwd>
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#include <cassert>
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#include "llvm/Support/DataTypes.h"
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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namespace llvm {
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@ -57,80 +55,21 @@ struct SubtargetFeatureKV {
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///
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///
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class SubtargetFeatures {
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class SubtargetFeatures {
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private:
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std::vector<std::string> Features; // Subtarget features as a vector
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std::vector<std::string> Features; // Subtarget features as a vector
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// Determine if a feature has a flag; '+' or '-'
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static inline bool hasFlag(const std::string &Feature) {
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assert(!Feature.empty() && "Empty string");
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// Get first character
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char Ch = Feature[0];
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// Check if first character is '+' or '-' flag
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return Ch == '+' || Ch =='-';
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}
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// Return true if enable flag; '+'.
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static inline bool isEnabled(const std::string &Feature) {
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assert(!Feature.empty() && "Empty string");
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// Get first character
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char Ch = Feature[0];
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// Check if first character is '+' for enabled
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return Ch == '+';
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}
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// Return a string with a prepended flag; '+' or '-'.
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static inline std::string PrependFlag(const std::string &Feature,
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bool IsEnabled) {
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assert(!Feature.empty() && "Empty string");
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if (hasFlag(Feature)) return Feature;
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return std::string(IsEnabled ? "+" : "-") + Feature;
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}
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// Return string stripped of flag.
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static inline std::string StripFlag(const std::string &Feature) {
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return hasFlag(Feature) ? Feature.substr(1) : Feature;
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}
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/// Splits a string of comma separated items in to a vector of strings.
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static void Split(std::vector<std::string> &V, const std::string &S);
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/// Join a vector of strings into a string with a comma separating each
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/// item.
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static std::string Join(const std::vector<std::string> &V);
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/// Convert a string to lowercase.
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static std::string toLower(const std::string &S);
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/// Find item in array using binary search.
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static const SubtargetFeatureKV *Find(const std::string &S,
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const SubtargetFeatureKV *A, size_t L);
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public:
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public:
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/// Ctor.
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SubtargetFeatures(const std::string &Initial = std::string());
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SubtargetFeatures(const std::string Initial = std::string()) {
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// Break up string into separate features
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Split(Features, Initial);
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}
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/// Features string accessors.
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/// Features string accessors.
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inline std::string getString() const { return Join(Features); }
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std::string getString() const;
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void setString(const std::string &Initial) {
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void setString(const std::string &Initial);
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// Throw out old features
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Features.clear();
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// Break up string into separate features
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Split(Features, toLower(Initial));
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}
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/// Setting CPU string. Replaces previous setting. Setting to "" clears CPU.
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/// Setting CPU string. Replaces previous setting. Setting to "" clears CPU.
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void setCPU(std::string String) { Features[0] = toLower(String); }
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///
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void setCPU(const std::string &String);
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/// Adding Features.
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/// Adding Features.
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void AddFeature(const std::string &String, bool IsEnabled = true);
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void AddFeature(const std::string &String, bool IsEnabled = true);
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/// Display help for feature choices.
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static void Help(const char *Heading,
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const SubtargetFeatureKV *Table, size_t TableSize);
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/// Parse feature string for quick usage.
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/// Parse feature string for quick usage.
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static uint32_t Parse(const std::string &String,
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static uint32_t Parse(const std::string &String,
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const std::string &DefaultCPU,
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const std::string &DefaultCPU,
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