using namespace llvm;
char RenderMachineFunction::ID = 0;
-static RegisterPass<RenderMachineFunction>
-X("rendermf", "Render machine functions (and related info) to HTML pages");
+INITIALIZE_PASS_BEGIN(RenderMachineFunction, "rendermf",
+ "Render machine functions (and related info) to HTML pages",
+ false, false)
+INITIALIZE_PASS_DEPENDENCY(SlotIndexes)
+INITIALIZE_PASS_DEPENDENCY(LiveIntervals)
+INITIALIZE_PASS_END(RenderMachineFunction, "rendermf",
+ "Render machine functions (and related info) to HTML pages",
+ false, false)
static cl::opt<std::string>
outputFileSuffix("rmf-file-suffix",
cl::desc("Live intervals to show alongside code."),
cl::init(""), cl::Hidden);
+static cl::opt<bool>
+filterEmpty("rmf-filter-empty-intervals",
+ cl::desc("Don't display empty intervals."),
+ cl::init(true), cl::Hidden);
+
static cl::opt<bool>
showEmptyIndexes("rmf-empty-indexes",
cl::desc("Render indexes not associated with instructions or "
const std::string &intervalRangeStr) {
if (intervalRangeStr == "*") {
intervalTypesToRender |= All;
+ } else if (intervalRangeStr == "virt-nospills*") {
+ intervalTypesToRender |= VirtNoSpills;
+ } else if (intervalRangeStr == "spills*") {
+ intervalTypesToRender |= VirtSpills;
} else if (intervalRangeStr == "virt*") {
- intervalTypesToRender |= VirtPlusExplicit;
+ intervalTypesToRender |= AllVirt;
} else if (intervalRangeStr == "phys*") {
- intervalTypesToRender |= PhysPlusExplicit;
+ intervalTypesToRender |= AllPhys;
} else {
std::istringstream iss(intervalRangeStr);
unsigned reg1, reg2;
void MFRenderingOptions::setup(MachineFunction *mf,
const TargetRegisterInfo *tri,
- LiveIntervals *lis) {
+ LiveIntervals *lis,
+ const RenderMachineFunction *rmf) {
this->mf = mf;
this->tri = tri;
this->lis = lis;
+ this->rmf = rmf;
clear();
}
if (intervalTypesToRender != ExplicitOnly) {
for (LiveIntervals::iterator liItr = lis->begin(), liEnd = lis->end();
liItr != liEnd; ++liItr) {
-
- if ((TargetRegisterInfo::isPhysicalRegister(liItr->first) &&
- (intervalTypesToRender & PhysPlusExplicit)) ||
- (TargetRegisterInfo::isVirtualRegister(liItr->first) &&
- (intervalTypesToRender & VirtPlusExplicit))) {
- intervalSet.insert(liItr->second);
+ LiveInterval *li = liItr->second;
+
+ if (filterEmpty && li->empty())
+ continue;
+
+ if ((TargetRegisterInfo::isPhysicalRegister(li->reg) &&
+ (intervalTypesToRender & AllPhys))) {
+ intervalSet.insert(li);
+ } else if (TargetRegisterInfo::isVirtualRegister(li->reg)) {
+ if (((intervalTypesToRender & VirtNoSpills) && !rmf->isSpill(li)) ||
+ ((intervalTypesToRender & VirtSpills) && rmf->isSpill(li))) {
+ intervalSet.insert(li);
+ }
}
}
}
liItr != liEnd; ++liItr) {
LiveInterval *li = liItr->second;
- const TargetRegisterClass *liTRC;
-
if (TargetRegisterInfo::isPhysicalRegister(li->reg))
continue;
- liTRC = mri->getRegClass(li->reg);
-
-
// For all ranges in the current interal.
for (LiveInterval::iterator lrItr = li->begin(),
lrEnd = li->end();
// ---------- MachineFunctionRenderer implementation ----------
- template <typename OStream>
- void RenderMachineFunction::Spacer::print(OStream &os) const {
+ void RenderMachineFunction::Spacer::print(raw_ostream &os) const {
if (!prettyHTML)
return;
for (unsigned i = 0; i < ns; ++i) {
return Spacer(ns);
}
- template <typename OStream>
- OStream& operator<<(OStream &os, const RenderMachineFunction::Spacer &s) {
+ raw_ostream& operator<<(raw_ostream &os, const RenderMachineFunction::Spacer &s) {
s.print(os);
return os;
}
SlotIndex i) const {
const MachineInstr *mi = sis->getInstructionFromIndex(i);
+ // For uses/defs recorded use/def indexes override current liveness and
+ // instruction operands (Only for the interval which records the indexes).
+ if (i.isUse() || i.isDef()) {
+ UseDefs::const_iterator udItr = useDefs.find(li);
+ if (udItr != useDefs.end()) {
+ const SlotSet &slotSet = udItr->second;
+ if (slotSet.count(i)) {
+ if (i.isUse()) {
+ return Used;
+ }
+ // else
+ return Defined;
+ }
+ }
+ }
+
+ // If the slot is a load/store, or there's no info in the use/def set then
+ // use liveness and instruction operand info.
if (li->liveAt(i)) {
+
if (mi == 0) {
if (vrm == 0 ||
(vrm->getStackSlot(li->reg) == VirtRegMap::NO_STACK_SLOT)) {
return AliveStack;
}
} else {
- if (i.getSlot() == SlotIndex::DEF &&
- mi->definesRegister(li->reg, tri)) {
+ if (i.isDef() && mi->definesRegister(li->reg, tri)) {
return Defined;
- } else if (i.getSlot() == SlotIndex::USE &&
- mi->readsRegister(li->reg)) {
+ } else if (i.isUse() && mi->readsRegister(li->reg)) {
return Used;
} else {
if (vrm == 0 ||
}
/// \brief Render a machine instruction.
- template <typename OStream>
- void RenderMachineFunction::renderMachineInstr(OStream &os,
+ void RenderMachineFunction::renderMachineInstr(raw_ostream &os,
const MachineInstr *mi) const {
std::string s;
raw_string_ostream oss(s);
os << escapeChars(oss.str());
}
- template <typename OStream, typename T>
+ template <typename T>
void RenderMachineFunction::renderVertical(const Spacer &indent,
- OStream &os,
+ raw_ostream &os,
const T &t) const {
if (ro.fancyVerticals()) {
os << indent << "<object\n"
}
}
- template <typename OStream>
void RenderMachineFunction::insertCSS(const Spacer &indent,
- OStream &os) const {
+ raw_ostream &os) const {
os << indent << "<style type=\"text/css\">\n"
<< indent + s(2) << "body { font-color: black; }\n"
<< indent + s(2) << "table.code td { font-family: monospace; "
<< indent << "</style>\n";
}
- template <typename OStream>
void RenderMachineFunction::renderFunctionSummary(
- const Spacer &indent, OStream &os,
+ const Spacer &indent, raw_ostream &os,
const char * const renderContextStr) const {
os << indent << "<h1>Function: " << mf->getFunction()->getName()
<< "</h1>\n"
}
- template <typename OStream>
void RenderMachineFunction::renderPressureTableLegend(
const Spacer &indent,
- OStream &os) const {
+ raw_ostream &os) const {
os << indent << "<h2>Rendering Pressure Legend:</h2>\n"
<< indent << "<table class=\"code\">\n"
<< indent + s(2) << "<tr>\n"
<< indent + s(2) << "<tr>\n"
<< indent + s(4) << "<td>No Pressure</td>"
"<td>No physical registers of this class requested.</td>"
- "<td class=\"s-zp\"> </td>\n"
+ "<td class=\"p-z\"> </td>\n"
<< indent + s(2) << "</tr>\n"
<< indent + s(2) << "<tr>\n"
<< indent + s(4) << "<td>Low Pressure</td>"
"<td>Sufficient physical registers to meet demand.</td>"
- "<td class=\"s-up\"> </td>\n"
+ "<td class=\"p-l\"> </td>\n"
<< indent + s(2) << "</tr>\n"
<< indent + s(2) << "<tr>\n"
<< indent + s(4) << "<td>High Pressure</td>"
"<td>Potentially insufficient physical registers to meet demand.</td>"
- "<td class=\"s-op\"> </td>\n"
+ "<td class=\"p-h\"> </td>\n"
<< indent + s(2) << "</tr>\n"
<< indent << "</table>\n";
}
- template <typename OStream, typename CellType>
+ template <typename CellType>
void RenderMachineFunction::renderCellsWithRLE(
- const Spacer &indent, OStream &os,
+ const Spacer &indent, raw_ostream &os,
const std::pair<CellType, unsigned> &rleAccumulator,
const std::map<CellType, std::string> &cellTypeStrs) const {
}
- template <typename OStream>
void RenderMachineFunction::renderCodeTablePlusPI(const Spacer &indent,
- OStream &os) const {
+ raw_ostream &os) const {
std::map<LiveState, std::string> lsStrs;
lsStrs[Dead] = "l-n";
i = i.getNextSlot()) {
// Render the slot column.
- os << indent + s(2) << "<tr>\n";
+ os << indent + s(2) << "<tr height=6ex>\n";
// Render the code column.
- if (i.getSlot() == SlotIndex::LOAD) {
+ if (i.isLoad()) {
MachineBasicBlock *mbb = sis->getMBBFromIndex(i);
mi = sis->getInstructionFromIndex(i);
renderPressureTableLegend(indent, os);
}
- template <typename OStream>
- void RenderMachineFunction::renderWarnings(const Spacer &indent,
- OStream &os) const {
- }
-
- template <typename OStream>
void RenderMachineFunction::renderFunctionPage(
- OStream &os,
+ raw_ostream &os,
const char * const renderContextStr) const {
os << "<html>\n"
<< s(2) << "<head>\n"
}
bool RenderMachineFunction::runOnMachineFunction(MachineFunction &fn) {
+
mf = &fn;
mri = &mf->getRegInfo();
tri = mf->getTarget().getRegisterInfo();
sis = &getAnalysis<SlotIndexes>();
trei.setup(mf, mri, tri, lis);
- ro.setup(mf, tri, lis);
+ ro.setup(mf, tri, lis, this);
+ spillIntervals.clear();
+ spillFor.clear();
+ useDefs.clear();
fqn = mf->getFunction()->getParent()->getModuleIdentifier() + "." +
mf->getFunction()->getName().str();
void RenderMachineFunction::releaseMemory() {
trei.clear();
ro.clear();
+ spillIntervals.clear();
+ spillFor.clear();
+ useDefs.clear();
+ }
+
+ void RenderMachineFunction::rememberUseDefs(const LiveInterval *li) {
+
+ if (!ro.shouldRenderCurrentMachineFunction())
+ return;
+
+ for (MachineRegisterInfo::reg_iterator rItr = mri->reg_begin(li->reg),
+ rEnd = mri->reg_end();
+ rItr != rEnd; ++rItr) {
+ const MachineInstr *mi = &*rItr;
+ if (mi->readsRegister(li->reg)) {
+ useDefs[li].insert(lis->getInstructionIndex(mi).getUseIndex());
+ }
+ if (mi->definesRegister(li->reg)) {
+ useDefs[li].insert(lis->getInstructionIndex(mi).getDefIndex());
+ }
+ }
+ }
+
+ void RenderMachineFunction::rememberSpills(
+ const LiveInterval *li,
+ const std::vector<LiveInterval*> &spills) {
+
+ if (!ro.shouldRenderCurrentMachineFunction())
+ return;
+
+ for (std::vector<LiveInterval*>::const_iterator siItr = spills.begin(),
+ siEnd = spills.end();
+ siItr != siEnd; ++siItr) {
+ const LiveInterval *spill = *siItr;
+ spillIntervals[li].insert(spill);
+ spillFor[spill] = li;
+ }
+ }
+
+ bool RenderMachineFunction::isSpill(const LiveInterval *li) const {
+ SpillForMap::const_iterator sfItr = spillFor.find(li);
+ if (sfItr == spillFor.end())
+ return false;
+ return true;
}
void RenderMachineFunction::renderMachineFunction(
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