mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-15 20:06:46 +00:00
551ccae044
Move include/Config and include/Support into include/llvm/Config, include/llvm/ADT and include/llvm/Support. From here on out, all LLVM public header files must be under include/llvm/. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16137 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
//===-- Passes.cpp - Target independent code generation passes ------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines interfaces to access the target independent code
|
|
// generation passes provided by the LLVM backend.
|
|
//
|
|
//===---------------------------------------------------------------------===//
|
|
|
|
#include "llvm/CodeGen/Passes.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include <iostream>
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
enum RegAllocName { simple, local, linearscan, iterativescan };
|
|
|
|
cl::opt<RegAllocName>
|
|
RegAlloc(
|
|
"regalloc",
|
|
cl::desc("Register allocator to use: (default = linearscan)"),
|
|
cl::Prefix,
|
|
cl::values(
|
|
clEnumVal(simple, " simple register allocator"),
|
|
clEnumVal(local, " local register allocator"),
|
|
clEnumVal(linearscan, " linear scan register allocator"),
|
|
clEnumVal(iterativescan, " iterative scan register allocator"),
|
|
clEnumValEnd),
|
|
cl::init(linearscan));
|
|
}
|
|
|
|
FunctionPass *llvm::createRegisterAllocator() {
|
|
switch (RegAlloc) {
|
|
default:
|
|
std::cerr << "no register allocator selected";
|
|
abort();
|
|
case simple:
|
|
return createSimpleRegisterAllocator();
|
|
case local:
|
|
return createLocalRegisterAllocator();
|
|
case linearscan:
|
|
return createLinearScanRegisterAllocator();
|
|
case iterativescan:
|
|
return createIterativeScanRegisterAllocator();
|
|
}
|
|
}
|
|
|