mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-18 18:42:46 +02:00
[MCA] Ignore invalid processor resource writes of zero cycles. NFCI
In debug mode, the tool also raises a warning and prints out a message which helps identify the problematic MCWriteProcResEntry from the scheduling class. This message would have been useful to have when triaging PR42282. llvm-svn: 363387
This commit is contained in:
parent
ddcd07d19a
commit
9eeb43075a
@ -65,6 +65,17 @@ static void initializeUsedResources(InstrDesc &ID,
|
||||
for (unsigned I = 0, E = SCDesc.NumWriteProcResEntries; I < E; ++I) {
|
||||
const MCWriteProcResEntry *PRE = STI.getWriteProcResBegin(&SCDesc) + I;
|
||||
const MCProcResourceDesc &PR = *SM.getProcResource(PRE->ProcResourceIdx);
|
||||
if (!PRE->Cycles) {
|
||||
#ifndef NDEBUG
|
||||
WithColor::warning()
|
||||
<< "Ignoring invalid write of zero cycles on processor resource "
|
||||
<< PR.Name << "\n";
|
||||
WithColor::note() << "found in scheduling class " << SCDesc.Name
|
||||
<< " (write index #" << I << ")\n";
|
||||
#endif
|
||||
continue;
|
||||
}
|
||||
|
||||
uint64_t Mask = ProcResourceMasks[PRE->ProcResourceIdx];
|
||||
if (PR.BufferSize < 0) {
|
||||
AllInOrderResources = false;
|
||||
@ -189,8 +200,9 @@ static void initializeUsedResources(InstrDesc &ID,
|
||||
<< "cy=" << R.second.size() << '\n';
|
||||
for (const uint64_t R : ID.Buffers)
|
||||
dbgs() << "\t\tBuffer Mask=" << format_hex(R, 16) << '\n';
|
||||
dbgs() << "\t\t Used Units=" << format_hex(ID.UsedProcResUnits, 16) << '\n';
|
||||
dbgs() << "\t\tUsed Groups=" << format_hex(ID.UsedProcResGroups, 16) << '\n';
|
||||
dbgs() << "\t\t Used Units=" << format_hex(ID.UsedProcResUnits, 16) << '\n';
|
||||
dbgs() << "\t\tUsed Groups=" << format_hex(ID.UsedProcResGroups, 16)
|
||||
<< '\n';
|
||||
});
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user