mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-01 19:29:22 +00:00
to name basic blocks "bb" instead of "BB", for consistency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84502 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
//===- InstructionNamer.cpp - Give anonymous instructions names -----------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This is a little utility pass that gives instructions names, this is mostly
|
|
// useful when diffing the effect of an optimization because deleting an
|
|
// unnamed instruction can change all other instruction numbering, making the
|
|
// diff very noisy.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Transforms/Scalar.h"
|
|
#include "llvm/Function.h"
|
|
#include "llvm/Pass.h"
|
|
#include "llvm/Type.h"
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
struct InstNamer : public FunctionPass {
|
|
static char ID; // Pass identification, replacement for typeid
|
|
InstNamer() : FunctionPass(&ID) {}
|
|
|
|
void getAnalysisUsage(AnalysisUsage &Info) const {
|
|
Info.setPreservesAll();
|
|
}
|
|
|
|
bool runOnFunction(Function &F) {
|
|
for (Function::arg_iterator AI = F.arg_begin(), AE = F.arg_end();
|
|
AI != AE; ++AI)
|
|
if (!AI->hasName() && AI->getType() != Type::getVoidTy(F.getContext()))
|
|
AI->setName("arg");
|
|
|
|
for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB) {
|
|
if (!BB->hasName())
|
|
BB->setName("bb");
|
|
|
|
for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I)
|
|
if (!I->hasName() && I->getType() != Type::getVoidTy(F.getContext()))
|
|
I->setName("tmp");
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
char InstNamer::ID = 0;
|
|
static RegisterPass<InstNamer> X("instnamer",
|
|
"Assign names to anonymous instructions");
|
|
}
|
|
|
|
|
|
const PassInfo *const llvm::InstructionNamerID = &X;
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// InstructionNamer - Give any unnamed non-void instructions "tmp" names.
|
|
//
|
|
FunctionPass *llvm::createInstructionNamerPass() {
|
|
return new InstNamer();
|
|
}
|