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Print SelectionDAGs bottom up, include extra info in the node labels

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19447 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-11 00:34:33 +00:00
parent 89a1ed5839
commit e9c44cdf18
1 changed files with 38 additions and 3 deletions
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41
lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
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@ -15,6 +15,7 @@
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Function.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/ADT/StringExtras.h"
#include <fstream>
using namespace llvm;
@ -24,11 +25,13 @@ namespace llvm {
static std::string getGraphName(const SelectionDAG *G) {
return G->getMachineFunction().getFunction()->getName();
}
static std::string getNodeLabel(const SDNode *Node,
const SelectionDAG *Graph) {
return Node->getOperationName();
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";
}
@ -41,6 +44,38 @@ namespace llvm {
};
}
std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
const SelectionDAG *G) {
std::string Op = Node->getOperationName();
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 CopyRegSDNode *C2V = dyn_cast<CopyRegSDNode>(Node)) {
Op += " #" + utostr(C2V->getReg());
} else if (const ExternalSymbolSDNode *ES =
dyn_cast<ExternalSymbolSDNode>(Node)) {
Op += "'" + std::string(ES->getSymbol()) + "'";
}
return Op;
}
/// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
/// rendered using 'dot'.
///