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Add live-ins to MachineBasicBlock.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34111 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-02-10 02:38:19 +00:00
parent 15699fc5ed
commit 13d8285678
2 changed files with 44 additions and 3 deletions
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23
lib/CodeGen/MachineBasicBlock.cpp
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@ -15,6 +15,7 @@
#include "llvm/BasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
@ -89,8 +90,20 @@ void MachineBasicBlock::dump() const {
print(*cerr.stream());
}
static inline void OutputReg(std::ostream &os, unsigned RegNo,
const MRegisterInfo *MRI = 0) {
if (!RegNo || MRegisterInfo::isPhysicalRegister(RegNo)) {
if (MRI)
os << " %" << MRI->get(RegNo).Name;
else
os << " %mreg(" << RegNo << ")";
} else
os << " %reg" << RegNo;
}
void MachineBasicBlock::print(std::ostream &OS) const {
if(!getParent()) {
const MachineFunction *MF = getParent();
if(!MF) {
OS << "Can't print out MachineBasicBlock because parent MachineFunction"
<< " is null\n";
return;
@ -101,6 +114,14 @@ void MachineBasicBlock::print(std::ostream &OS) const {
if (LBB) OS << LBB->getName();
OS << " (" << (const void*)this
<< ", LLVM BB @" << (const void*) LBB << ", ID#" << getNumber()<< "):\n";
const MRegisterInfo *MRI = MF->getTarget().getRegisterInfo();
if (livein_begin() != livein_end()) {
OS << "Live Ins:";
for (livein_iterator I = livein_begin(), E = livein_end(); I != E; ++I)
OutputReg(OS, *I, MRI);
OS << "\n";
}
// Print the preds of this block according to the CFG.
if (!pred_empty()) {
OS << " Predecessors according to CFG:";