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Added block number and name to isel debug output. 

I'm tired of doing this manually for each checkout.
If anyone knows a better way debug isel for non-trivial tests feel
free to revert and let me know how to do it.

llvm-svn: 128132
This commit is contained in:
Andrew Trick 2011-03-23 01:38:28 +00:00
parent afa5ba7d50
commit b1fd328581
1 changed files with 25 additions and 12 deletions
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37
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@ -489,13 +489,19 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
if (TimePassesIsEnabled)
GroupName = "Instruction Selection and Scheduling";
std::string BlockName;
int BlockNumber = -1;
#ifdef NDEBUG
if (ViewDAGCombine1 || ViewLegalizeTypesDAGs || ViewLegalizeDAGs ||
ViewDAGCombine2 || ViewDAGCombineLT || ViewISelDAGs || ViewSchedDAGs ||
ViewSUnitDAGs)
#endif
{
BlockNumber = FuncInfo->MBB->getNumber();
BlockName = MF->getFunction()->getNameStr() + ":" +
FuncInfo->MBB->getBasicBlock()->getNameStr();
DEBUG(dbgs() << "Initial selection DAG:\n"; CurDAG->dump());
}
DEBUG(dbgs() << "Initial selection DAG: BB#" << BlockNumber
<< " '" << BlockName << "'\n"; CurDAG->dump());
if (ViewDAGCombine1) CurDAG->viewGraph("dag-combine1 input for " + BlockName);
@ -505,7 +511,8 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
CurDAG->Combine(Unrestricted, *AA, OptLevel);
}
DEBUG(dbgs() << "Optimized lowered selection DAG:\n"; CurDAG->dump());
DEBUG(dbgs() << "Optimized lowered selection DAG: BB#" << BlockNumber
<< " '" << BlockName << "'\n"; CurDAG->dump());
// Second step, hack on the DAG until it only uses operations and types that
// the target supports.
@ -518,7 +525,8 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
Changed = CurDAG->LegalizeTypes();
}
DEBUG(dbgs() << "Type-legalized selection DAG:\n"; CurDAG->dump());
DEBUG(dbgs() << "Type-legalized selection DAG: BB#" << BlockNumber
<< " '" << BlockName << "'\n"; CurDAG->dump());
if (Changed) {
if (ViewDAGCombineLT)
@ -531,8 +539,8 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
CurDAG->Combine(NoIllegalTypes, *AA, OptLevel);
}
DEBUG(dbgs() << "Optimized type-legalized selection DAG:\n";
CurDAG->dump());
DEBUG(dbgs() << "Optimized type-legalized selection DAG: BB#" << BlockNumber
<< " '" << BlockName << "'\n"; CurDAG->dump());
}
{
@ -556,8 +564,8 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
CurDAG->Combine(NoIllegalOperations, *AA, OptLevel);
}
DEBUG(dbgs() << "Optimized vector-legalized selection DAG:\n";
CurDAG->dump());
DEBUG(dbgs() << "Optimized vector-legalized selection DAG: BB#"
<< BlockNumber << " '" << BlockName << "'\n"; CurDAG->dump());
}
if (ViewLegalizeDAGs) CurDAG->viewGraph("legalize input for " + BlockName);
@ -567,7 +575,8 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
CurDAG->Legalize(OptLevel);
}
DEBUG(dbgs() << "Legalized selection DAG:\n"; CurDAG->dump());
DEBUG(dbgs() << "Legalized selection DAG: BB#" << BlockNumber
<< " '" << BlockName << "'\n"; CurDAG->dump());
if (ViewDAGCombine2) CurDAG->viewGraph("dag-combine2 input for " + BlockName);
@ -577,7 +586,8 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
CurDAG->Combine(NoIllegalOperations, *AA, OptLevel);
}
DEBUG(dbgs() << "Optimized legalized selection DAG:\n"; CurDAG->dump());
DEBUG(dbgs() << "Optimized legalized selection DAG: BB#" << BlockNumber
<< " '" << BlockName << "'\n"; CurDAG->dump());
if (OptLevel != CodeGenOpt::None)
ComputeLiveOutVRegInfo();
@ -591,7 +601,8 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
DoInstructionSelection();
}
DEBUG(dbgs() << "Selected selection DAG:\n"; CurDAG->dump());
DEBUG(dbgs() << "Selected selection DAG: BB#" << BlockNumber
<< " '" << BlockName << "'\n"; CurDAG->dump());
if (ViewSchedDAGs) CurDAG->viewGraph("scheduler input for " + BlockName);
@ -632,7 +643,9 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
}
void SelectionDAGISel::DoInstructionSelection() {
DEBUG(errs() << "===== Instruction selection begins:\n");
DEBUG(errs() << "===== Instruction selection begins: BB#"
<< FuncInfo->MBB->getNumber()
<< " '" << FuncInfo->MBB->getName() << "'\n");
PreprocessISelDAG();