mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 03:53:04 +02:00
9919114951
Summary: This patch eliminates some redundancy in iterating across Listeners for the Instruction and Stall HWEvents, by introducing a template onEvent routine. This change was suggested by @courbet in https://reviews.llvm.org/D48576. I hope that this patch addresses that suggestion appropriately. I do like this change better than what we had previously. Reviewers: andreadb, courbet, RKSimon Reviewed By: andreadb, courbet Subscribers: javed.absar, tschuett, gbedwell, llvm-commits, courbet Differential Revision: https://reviews.llvm.org/D48672 llvm-svn: 336916
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
//===--------------------- RegisterFileStatistics.h -------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
/// \file
|
|
///
|
|
/// This view collects and prints register file usage statistics.
|
|
///
|
|
/// Example (-mcpu=btver2):
|
|
/// ========================
|
|
///
|
|
/// Register File statistics:
|
|
/// Total number of mappings created: 6
|
|
/// Max number of mappings used: 3
|
|
///
|
|
/// * Register File #1 -- FpuPRF:
|
|
/// Number of physical registers: 72
|
|
/// Total number of mappings created: 0
|
|
/// Max number of mappings used: 0
|
|
///
|
|
/// * Register File #2 -- IntegerPRF:
|
|
/// Number of physical registers: 64
|
|
/// Total number of mappings created: 6
|
|
/// Max number of mappings used: 3
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_TOOLS_LLVM_MCA_REGISTERFILESTATISTICS_H
|
|
#define LLVM_TOOLS_LLVM_MCA_REGISTERFILESTATISTICS_H
|
|
|
|
#include "View.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/MC/MCSubtargetInfo.h"
|
|
|
|
namespace mca {
|
|
|
|
class RegisterFileStatistics : public View {
|
|
const llvm::MCSubtargetInfo &STI;
|
|
|
|
// Used to track the number of physical registers used in a register file.
|
|
struct RegisterFileUsage {
|
|
unsigned TotalMappings;
|
|
unsigned MaxUsedMappings;
|
|
unsigned CurrentlyUsedMappings;
|
|
};
|
|
|
|
// There is one entry for each register file implemented by the processor.
|
|
llvm::SmallVector<RegisterFileUsage, 4> RegisterFiles;
|
|
|
|
void initializeRegisterFileInfo();
|
|
|
|
public:
|
|
RegisterFileStatistics(const llvm::MCSubtargetInfo &sti) : STI(sti) {
|
|
initializeRegisterFileInfo();
|
|
}
|
|
|
|
void onEvent(const HWInstructionEvent &Event) override;
|
|
|
|
void printView(llvm::raw_ostream &OS) const override;
|
|
};
|
|
} // namespace mca
|
|
|
|
#endif
|