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[BOLT][NFC] Replace stdio with raw_ostream in CallGraph

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Replacing stdio functions, e.g., fopen, fprintf, with raw_ostream.

Test Plan:
```
ninja check-bolt
```

Reviewed By: Amir

Differential Revision: https://reviews.llvm.org/D126826
This commit is contained in:
Huan Nguyen 2022-06-08 15:37:25 -07:00 committed by Amir Ayupov
parent c9b55eb807
commit db313a00b6
1 changed files with 14 additions and 13 deletions
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27
bolt/include/bolt/Passes/CallGraph.h
View File

@ -9,9 +9,10 @@
#ifndef BOLT_PASSES_CALLGRAPH_H
#define BOLT_PASSES_CALLGRAPH_H
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <cstdint>
#include <cstdio>
#include <unordered_set>
#include <vector>
@ -160,31 +161,31 @@ private:
};
template <class L> void CallGraph::printDot(char *FileName, L GetLabel) const {
FILE *File = fopen(FileName, "wt");
if (!File)
std::error_code EC;
raw_fd_ostream OS(std::string(FileName), EC, sys::fs::OF_None);
if (EC)
return;
fprintf(File, "digraph g {\n");
OS << "digraph g {\n";
for (NodeId F = 0; F < Nodes.size(); F++) {
if (Nodes[F].samples() == 0)
continue;
fprintf(File, "f%lu [label=\"%s\\nsamples=%u\\nsize=%u\"];\n", F,
GetLabel(F), Nodes[F].samples(), Nodes[F].size());
OS << "f" << F << " [label=\"" << GetLabel(F)
<< "\\nsamples=" << Nodes[F].samples() << "\\nsize=" << Nodes[F].size()
<< "\"];\n";
}
for (NodeId F = 0; F < Nodes.size(); F++) {
if (Nodes[F].samples() == 0)
continue;
for (NodeId Dst : Nodes[F].successors()) {
ArcConstIterator Arc = findArc(F, Dst);
fprintf(
File,
"f%lu -> f%u [label=\"normWgt=%.3lf,weight=%.0lf,callOffset=%.1lf\"];"
"\n",
F, Dst, Arc->normalizedWeight(), Arc->weight(), Arc->avgCallOffset());
OS << "f" << F << " -> f" << Dst
<< " [label=\"normWgt=" << format("%.3lf", Arc->normalizedWeight())
<< ",weight=" << format("%.0lf", Arc->weight())
<< ",callOffset=" << format("%.1lf", Arc->avgCallOffset()) << "\"];\n";
}
}
fprintf(File, "}\n");
fclose(File);
OS << "}\n";
}
} // namespace bolt