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[BOLT][NFC] AsmDump: disable printing of empty profile data

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Summary:
Moved the FDATA printing under the condition of non-empty profile data.
The change reduces the assembly dumps.

(cherry picked from FBD32262675)
This commit is contained in:
Amir Ayupov
2021-11-08 14:14:35 -08:00
committed by Maksim Panchenko
parent 3a16f2169d
commit a82502d4a8
1 changed files with 12 additions and 9 deletions
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21
bolt/lib/Passes/AsmDump.cpp
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@@ -183,9 +183,10 @@ void dumpFunction(const BinaryFunction &BF) {
OS << FunctionName << ":\n";
// FDATA for the entry point
OS << "# FDATA: 0 [unknown] 0 "
<< "1 " << FunctionName << " 0 "
<< "0 " << BF.getKnownExecutionCount() << '\n';
if (uint64_t EntryExecCount = BF.getKnownExecutionCount())
OS << "# FDATA: 0 [unknown] 0 "
<< "1 " << FunctionName << " 0 "
<< "0 " << EntryExecCount << '\n';
// Binary data references from the function.
std::unordered_set<const BinaryData *> BDReferences;
@@ -202,9 +203,8 @@ void dumpFunction(const BinaryFunction &BF) {
for (const MCInst &Instr : *BB) {
// Dump pseudo instructions (CFI)
if (BC.MIB->isPseudo(Instr)) {
if (BC.MIB->isCFI(Instr)) {
if (BC.MIB->isCFI(Instr))
dumpCFI(BF, Instr, *MAP.get());
}
continue;
}
@@ -226,22 +226,25 @@ void dumpFunction(const BinaryFunction &BF) {
}
}
if (&Instr == LastInst && BB->succ_size())
OS << BranchLabel << ": ";
if (&Instr == LastInst && (BB->succ_size() || IsCall))
OS << BranchLabel << ":\n";
BC.InstPrinter->printInst(&Instr, 0, "", *BC.STI, OS);
OS << '\n';
// Dump profile data in FDATA format (as parsed by link_fdata.sh).
// Dump profile data in FDATA format (as parsed by link_fdata).
if (BC.MIB->getJumpTable(Instr))
dumpJumpTableFdata(OS, BF, Instr, BranchLabel);
else if (BC.MIB->isTailCall(Instr))
dumpTailCallFdata(OS, BF, Instr, BranchLabel);
}
// Dump profile data in FDATA format (as parsed by link_fdata.sh).
// Dump profile data in FDATA format (as parsed by link_fdata).
for (const BinaryBasicBlock *Succ : BB->successors()) {
const BinaryBasicBlock::BinaryBranchInfo BI = BB->getBranchInfo(*Succ);
if (!BI.MispredictedCount && !BI.Count)
continue;
OS << "# FDATA: 1 " << FunctionName << " #" << BranchLabel << "# "
<< "1 " << FunctionName << " #" << Succ->getName() << "# "
<< BI.MispredictedCount << " " << BI.Count << '\n';