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[llvm-mca] Improve debugging (NFC)

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llvm-svn: 350661
This commit is contained in:
Evandro Menezes 2019-01-08 22:29:38 +00:00
parent 2dd391bb95
commit ec2dad0049
3 changed files with 10 additions and 0 deletions
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6
include/llvm/MCA/Instruction.h
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@ -28,6 +28,7 @@
#include <memory>
namespace llvm {
namespace mca {
constexpr int UNKNOWN_CYCLES = -512;
@ -347,6 +348,11 @@ struct InstrDesc {
InstrDesc() = default;
InstrDesc(const InstrDesc &Other) = delete;
InstrDesc &operator=(const InstrDesc &Other) = delete;
#ifndef NDEBUG
// Original instruction name for debugging purposes.
StringRef Name;
#endif
};
/// Base class for instructions consumed by the simulation pipeline.

1
lib/MCA/HardwareUnits/ResourceManager.cpp
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@ -169,6 +169,7 @@ unsigned ResourceManager::getNumUnits(uint64_t ResourceID) const {
// Second, is the specific sub-resource ID.
ResourceRef ResourceManager::selectPipe(uint64_t ResourceID) {
unsigned Index = getResourceStateIndex(ResourceID);
assert(Index < Resources.size() && "Invalid resource use!");
ResourceState &RS = *Resources[Index];
assert(RS.isReady() && "No available units to select!");

3
lib/MCA/InstrBuilder.cpp
View File

@ -558,6 +558,9 @@ InstrBuilder::createInstrDescImpl(const MCInst &MCI) {
populateWrites(*ID, MCI, SchedClassID);
populateReads(*ID, MCI, SchedClassID);
#ifndef NDEBUG
ID->Name = MCII.getName(Opcode);
#endif
LLVM_DEBUG(dbgs() << "\t\tMaxLatency=" << ID->MaxLatency << '\n');
LLVM_DEBUG(dbgs() << "\t\tNumMicroOps=" << ID->NumMicroOps << '\n');