mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 07:22:55 +01:00
128 lines
4.5 KiB
C++
128 lines
4.5 KiB
C++
//===-- SelectionDAGPrinter.cpp - Implement SelectionDAG::viewGraph() -----===//
|
|
//
|
|
// 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 implements the SelectionDAG::viewGraph method.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/CodeGen/SelectionDAG.h"
|
|
#include "llvm/CodeGen/MachineFunction.h"
|
|
#include "llvm/Function.h"
|
|
#include "llvm/Support/GraphWriter.h"
|
|
#include "llvm/ADT/StringExtras.h"
|
|
#include <fstream>
|
|
using namespace llvm;
|
|
|
|
namespace llvm {
|
|
template<>
|
|
struct DOTGraphTraits<SelectionDAG*> : public DefaultDOTGraphTraits {
|
|
static std::string getGraphName(const SelectionDAG *G) {
|
|
return G->getMachineFunction().getFunction()->getName();
|
|
}
|
|
|
|
static bool renderGraphFromBottomUp() {
|
|
return true;
|
|
}
|
|
|
|
static std::string getNodeLabel(const SDNode *Node,
|
|
const SelectionDAG *Graph);
|
|
static std::string getNodeAttributes(const SDNode *N) {
|
|
return "shape=Mrecord";
|
|
}
|
|
|
|
static void addCustomGraphFeatures(SelectionDAG *G,
|
|
GraphWriter<SelectionDAG*> &GW) {
|
|
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
|
|
GW.emitEdge(0, -1, G->getRoot().Val, -1, "");
|
|
}
|
|
};
|
|
}
|
|
|
|
std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
|
|
const SelectionDAG *G) {
|
|
std::string Op = Node->getOperationName();
|
|
|
|
for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) {
|
|
switch (Node->getValueType(i)) {
|
|
default: Op += ":unknownvt!"; break;
|
|
case MVT::Other: Op += ":ch"; break;
|
|
case MVT::i1: Op += ":i1"; break;
|
|
case MVT::i8: Op += ":i8"; break;
|
|
case MVT::i16: Op += ":i16"; break;
|
|
case MVT::i32: Op += ":i32"; break;
|
|
case MVT::i64: Op += ":i64"; break;
|
|
case MVT::i128: Op += ":i128"; break;
|
|
case MVT::f32: Op += ":f32"; break;
|
|
case MVT::f64: Op += ":f64"; break;
|
|
case MVT::f80: Op += ":f80"; break;
|
|
case MVT::f128: Op += ":f128"; break;
|
|
case MVT::isVoid: Op += ":void"; break;
|
|
}
|
|
}
|
|
|
|
if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(Node)) {
|
|
Op += ": " + utostr(CSDN->getValue());
|
|
} else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(Node)) {
|
|
Op += ": " + ftostr(CSDN->getValue());
|
|
} else if (const GlobalAddressSDNode *GADN =
|
|
dyn_cast<GlobalAddressSDNode>(Node)) {
|
|
Op += ": " + GADN->getGlobal()->getName();
|
|
} else if (const FrameIndexSDNode *FIDN =
|
|
dyn_cast<FrameIndexSDNode>(Node)) {
|
|
Op += " " + itostr(FIDN->getIndex());
|
|
} else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(Node)){
|
|
Op += "<" + utostr(CP->getIndex()) + ">";
|
|
} else if (const BasicBlockSDNode *BBDN =
|
|
dyn_cast<BasicBlockSDNode>(Node)) {
|
|
Op = "BB: ";
|
|
const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
|
|
if (LBB)
|
|
Op += LBB->getName();
|
|
//Op += " " + (const void*)BBDN->getBasicBlock();
|
|
} else if (const RegSDNode *C2V = dyn_cast<RegSDNode>(Node)) {
|
|
Op += " #" + utostr(C2V->getReg());
|
|
} else if (const ExternalSymbolSDNode *ES =
|
|
dyn_cast<ExternalSymbolSDNode>(Node)) {
|
|
Op += "'" + std::string(ES->getSymbol()) + "'";
|
|
} else if (const MVTSDNode *M = dyn_cast<MVTSDNode>(Node)) {
|
|
Op = Op + " ty=" + MVT::getValueTypeString(M->getExtraValueType());
|
|
}
|
|
return Op;
|
|
}
|
|
|
|
|
|
/// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
|
|
/// rendered using 'dot'.
|
|
///
|
|
void SelectionDAG::viewGraph() {
|
|
std::string Filename = "/tmp/dag." +
|
|
getMachineFunction().getFunction()->getName() + ".dot";
|
|
std::cerr << "Writing '" << Filename << "'... ";
|
|
std::ofstream F(Filename.c_str());
|
|
|
|
if (!F) {
|
|
std::cerr << " error opening file for writing!\n";
|
|
return;
|
|
}
|
|
|
|
WriteGraph(F, this);
|
|
F.close();
|
|
std::cerr << "\n";
|
|
|
|
std::cerr << "Running 'dot' program... " << std::flush;
|
|
if (system(("dot -Tps -Nfontname=Courier -Gsize=7.5,10 " + Filename
|
|
+ " > /tmp/dag.tempgraph.ps").c_str())) {
|
|
std::cerr << "Error running dot: 'dot' not in path?\n";
|
|
} else {
|
|
std::cerr << "\n";
|
|
system("gv /tmp/dag.tempgraph.ps");
|
|
}
|
|
system(("rm " + Filename + " /tmp/dag.tempgraph.ps").c_str());
|
|
}
|