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Teach MachineBasicBlock::print() to annotate instructions and blocks with

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SlotIndexes when available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117392 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-10-26 20:21:46 +00:00
parent dbcc2e119d
commit f4a1e1a69f
6 changed files with 32 additions and 22 deletions
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18
lib/CodeGen/MachineBasicBlock.cpp
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@@ -17,6 +17,7 @@
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/SlotIndexes.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/Target/TargetRegisterInfo.h"
@@ -176,7 +177,7 @@ StringRef MachineBasicBlock::getName() const {
return "(null)";
}
void MachineBasicBlock::print(raw_ostream &OS) const {
void MachineBasicBlock::print(raw_ostream &OS, SlotIndexes *Indexes) const {
const MachineFunction *MF = getParent();
if (!MF) {
OS << "Can't print out MachineBasicBlock because parent MachineFunction"
@@ -186,6 +187,9 @@ void MachineBasicBlock::print(raw_ostream &OS) const {
if (Alignment) { OS << "Alignment " << Alignment << "\n"; }
if (Indexes)
OS << Indexes->getMBBStartIdx(this) << '\t';
OS << "BB#" << getNumber() << ": ";
const char *Comma = "";
@@ -198,8 +202,9 @@ void MachineBasicBlock::print(raw_ostream &OS) const {
if (hasAddressTaken()) { OS << Comma << "ADDRESS TAKEN"; Comma = ", "; }
OS << '\n';
const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
if (!livein_empty()) {
if (Indexes) OS << '\t';
OS << " Live Ins:";
for (livein_iterator I = livein_begin(),E = livein_end(); I != E; ++I)
OutputReg(OS, *I, TRI);
@@ -207,19 +212,26 @@ void MachineBasicBlock::print(raw_ostream &OS) const {
}
// Print the preds of this block according to the CFG.
if (!pred_empty()) {
if (Indexes) OS << '\t';
OS << " Predecessors according to CFG:";
for (const_pred_iterator PI = pred_begin(), E = pred_end(); PI != E; ++PI)
OS << " BB#" << (*PI)->getNumber();
OS << '\n';
}
for (const_iterator I = begin(); I != end(); ++I) {
if (Indexes) {
if (Indexes->hasIndex(I))
OS << Indexes->getInstructionIndex(I);
OS << '\t';
}
OS << '\t';
I->print(OS, &getParent()->getTarget());
}
// Print the successors of this block according to the CFG.
if (!succ_empty()) {
if (Indexes) OS << '\t';
OS << " Successors according to CFG:";
for (const_succ_iterator SI = succ_begin(), E = succ_end(); SI != E; ++SI)
OS << " BB#" << (*SI)->getNumber();