llvm-project/llvm/tools/llvm-reduce/deltas/ReduceInstructionFlagsMIR.cpp
YLChenZ fea6b38805
[llvm-reduce]: print short form, actionable names in the log (#133561)
Closes #132696

before the patch like this:
```
----------------------------
*** Reducing GlobalObjects...
----------------------------
*** Reducing GV Initializers...
----------------------------
*** Reducing GlobalVariables...
----------------------------
```
after the patch like this:
```
----------------------------
*** Reducing GlobalObjects (global-objects)...
----------------------------
*** Reducing GV Initializers (global-initializers)...
----------------------------
*** Reducing GlobalVariables (global-variables)...
----------------------------
```
2025-03-30 12:37:48 +07:00

34 lines
1.2 KiB
C++

//===- ReduceInstructionFlagsMIR.cpp - Specialized Delta Pass -------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements a function which calls the Generic Delta pass in order
// to reduce uninteresting MachineInstr flags from the MachineFunction.
//
//===----------------------------------------------------------------------===//
#include "ReduceInstructionFlagsMIR.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
using namespace llvm;
void llvm::reduceInstructionFlagsMIRDeltaPass(Oracle &O,
ReducerWorkItem &WorkItem) {
for (const Function &F : WorkItem.getModule()) {
if (auto *MF = WorkItem.MMI->getMachineFunction(F)) {
for (MachineBasicBlock &MBB : *MF) {
for (MachineInstr &MI : MBB) {
// TODO: Should this clear flags individually?
if (MI.getFlags() != 0 && !O.shouldKeep())
MI.setFlags(0);
}
}
}
}
}