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llvm-mirror/include/llvm/Analysis/IndirectCallVisitor.h
Mircea Trofin 53a4e9a9fe [llvm][NFC] Refactor APIs operating on CallBase
Summary:
Refactored the parameter and return type where they are too generally
typed as Instruction.

Reviewers: dblaikie, wmi, craig.topper

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D79027
2020-04-28 13:23:47 -07:00

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1.2 KiB
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//===-- IndirectCallVisitor.h - indirect call visitor ---------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements defines a visitor class and a helper function that find
// all indirect call-sites in a function.
#ifndef LLVM_ANALYSIS_INDIRECTCALLVISITOR_H
#define LLVM_ANALYSIS_INDIRECTCALLVISITOR_H
#include "llvm/IR/InstVisitor.h"
#include <vector>
namespace llvm {
// Visitor class that finds all indirect call.
struct PGOIndirectCallVisitor : public InstVisitor<PGOIndirectCallVisitor> {
std::vector<CallBase *> IndirectCalls;
PGOIndirectCallVisitor() {}
void visitCallBase(CallBase &Call) {
if (Call.isIndirectCall())
IndirectCalls.push_back(&Call);
}
};
// Helper function that finds all indirect call sites.
inline std::vector<CallBase *> findIndirectCalls(Function &F) {
PGOIndirectCallVisitor ICV;
ICV.visit(F);
return ICV.IndirectCalls;
}
} // namespace llvm
#endif