mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 12:02:58 +02:00
4fb3035c34
Summary: Checking CS.getCalledFunction() == nullptr does not necessary indicate indirect call. We also need to check if CS.getCalledValue() is not a constant. Reviewers: davidxl Reviewed By: davidxl Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D29570 llvm-svn: 294260
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
//===-- IndirectCallSiteVisitor.h - indirect call-sites visitor -----------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements defines a visitor class and a helper function that find
|
|
// all indirect call-sites in a function.
|
|
|
|
#include "llvm/IR/InstVisitor.h"
|
|
#include <vector>
|
|
|
|
namespace llvm {
|
|
// Visitor class that finds all indirect call sites.
|
|
struct PGOIndirectCallSiteVisitor
|
|
: public InstVisitor<PGOIndirectCallSiteVisitor> {
|
|
std::vector<Instruction *> IndirectCallInsts;
|
|
PGOIndirectCallSiteVisitor() {}
|
|
|
|
void visitCallSite(CallSite CS) {
|
|
if (CS.isIndirectCall())
|
|
IndirectCallInsts.push_back(CS.getInstruction());
|
|
}
|
|
};
|
|
|
|
// Helper function that finds all indirect call sites.
|
|
static inline std::vector<Instruction *> findIndirectCallSites(Function &F) {
|
|
PGOIndirectCallSiteVisitor ICV;
|
|
ICV.visit(F);
|
|
return ICV.IndirectCallInsts;
|
|
}
|
|
}
|