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Eliminate redundant LLVMContext argument.

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Improve DbgScope->dump() output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135207 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-07-14 22:30:56 +00:00
parent af29322bb3
commit 4f455d6f25
2 changed files with 11 additions and 9 deletions
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18
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -229,6 +229,7 @@ public:
void DbgScope::dump() const {
raw_ostream &err = dbgs();
err.indent(IndentLevel);
err << "DFSIn: " << DFSIn << " DFSOut: " << DFSOut << "\n";
const MDNode *N = Desc;
N->dump();
if (AbstractScope)
@ -1566,7 +1567,8 @@ void DwarfDebug::endInstruction(const MachineInstr *MI) {
}
/// getOrCreateDbgScope - Create DbgScope for the scope.
DbgScope *DwarfDebug::getOrCreateDbgScope(DebugLoc DL, LLVMContext &Ctx) {
DbgScope *DwarfDebug::getOrCreateDbgScope(DebugLoc DL) {
LLVMContext &Ctx = Asm->MF->getFunction()->getContext();
MDNode *Scope = NULL;
MDNode *InlinedAt = NULL;
DL.getScopeAndInlinedAt(Scope, InlinedAt, Ctx);
@ -1579,7 +1581,7 @@ DbgScope *DwarfDebug::getOrCreateDbgScope(DebugLoc DL, LLVMContext &Ctx) {
DbgScopeMap.insert(std::make_pair(Scope, WScope));
if (DIDescriptor(Scope).isLexicalBlock()) {
DbgScope *Parent =
getOrCreateDbgScope(DebugLoc::getFromDILexicalBlock(Scope), Ctx);
getOrCreateDbgScope(DebugLoc::getFromDILexicalBlock(Scope));
WScope->setParent(Parent);
Parent->addScope(WScope);
} else if (DIDescriptor(Scope).isSubprogram()
@ -1597,7 +1599,7 @@ DbgScope *DwarfDebug::getOrCreateDbgScope(DebugLoc DL, LLVMContext &Ctx) {
WScope = new DbgScope(NULL, DIDescriptor(Scope), InlinedAt);
DbgScopeMap.insert(std::make_pair(InlinedAt, WScope));
DbgScope *Parent =
getOrCreateDbgScope(DebugLoc::getFromDILocation(InlinedAt), Ctx);
getOrCreateDbgScope(DebugLoc::getFromDILocation(InlinedAt));
WScope->setParent(Parent);
Parent->addScope(WScope);
@ -1636,10 +1638,11 @@ static void calculateDominanceGraph(DbgScope *Scope) {
/// printDbgScopeInfo - Print DbgScope info for each machine instruction.
static
void printDbgScopeInfo(LLVMContext &Ctx, const MachineFunction *MF,
void printDbgScopeInfo(const MachineFunction *MF,
DenseMap<const MachineInstr *, DbgScope *> &MI2ScopeMap)
{
#ifndef NDEBUG
LLVMContext &Ctx = MF->getFunction()->getContext();
unsigned PrevDFSIn = 0;
for (MachineFunction::const_iterator I = MF->begin(), E = MF->end();
I != E; ++I) {
@ -1682,7 +1685,6 @@ bool DwarfDebug::extractScopeInformation() {
return false;
// Scan each instruction and create scopes. First build working set of scopes.
LLVMContext &Ctx = Asm->MF->getFunction()->getContext();
SmallVector<DbgRange, 4> MIRanges;
DenseMap<const MachineInstr *, DbgScope *> MI2ScopeMap;
DebugLoc PrevDL;
@ -1721,7 +1723,7 @@ bool DwarfDebug::extractScopeInformation() {
DEBUG(dbgs() << "Next Range starting at " << *MInsn);
DEBUG(dbgs() << "------------------------\n");
DbgRange R(RangeBeginMI, PrevMI);
MI2ScopeMap[RangeBeginMI] = getOrCreateDbgScope(PrevDL, Ctx);
MI2ScopeMap[RangeBeginMI] = getOrCreateDbgScope(PrevDL);
MIRanges.push_back(R);
}
@ -1738,7 +1740,7 @@ bool DwarfDebug::extractScopeInformation() {
if (RangeBeginMI && PrevMI && !PrevDL.isUnknown()) {
DbgRange R(RangeBeginMI, PrevMI);
MIRanges.push_back(R);
MI2ScopeMap[RangeBeginMI] = getOrCreateDbgScope(PrevDL, Ctx);
MI2ScopeMap[RangeBeginMI] = getOrCreateDbgScope(PrevDL);
}
if (!CurrentFnDbgScope)
@ -1746,7 +1748,7 @@ bool DwarfDebug::extractScopeInformation() {
calculateDominanceGraph(CurrentFnDbgScope);
if (PrintDbgScope)
printDbgScopeInfo(Ctx, Asm->MF, MI2ScopeMap);
printDbgScopeInfo(Asm->MF, MI2ScopeMap);
// Find ranges of instructions covered by each DbgScope;
DbgScope *PrevDbgScope = NULL;

2
lib/CodeGen/AsmPrinter/DwarfDebug.h
View File

@ -319,7 +319,7 @@ private:
void assignAbbrevNumber(DIEAbbrev &Abbrev);
/// getOrCreateDbgScope - Create DbgScope for the scope.
DbgScope *getOrCreateDbgScope(DebugLoc DL, LLVMContext &Ctx);
DbgScope *getOrCreateDbgScope(DebugLoc DL);
DbgScope *getOrCreateAbstractScope(const MDNode *N);