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Remove dead debug info intrinsics.

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Intrinsic::dbg_stoppoint
 Intrinsic::dbg_region_start 
 Intrinsic::dbg_region_end 
 Intrinsic::dbg_func_start
AutoUpgrade simply ignores these intrinsics now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92557 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-01-05 01:10:40 +00:00
parent 4361bbfd0e
commit 44a29e066a
17 changed files with 19 additions and 483 deletions
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59
lib/Analysis/DbgInfoPrinter.cpp
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@@ -37,8 +37,6 @@ PrintDirectory("print-fullpath",
namespace {
class PrintDbgInfo : public FunctionPass {
raw_ostream &Out;
void printStopPoint(const DbgStopPointInst *DSI);
void printFuncStart(const DbgFuncStartInst *FS);
void printVariableDeclaration(const Value *V);
public:
static char ID; // Pass identification
@@ -74,27 +72,6 @@ void PrintDbgInfo::printVariableDeclaration(const Value *V) {
Out << File << ":" << LineNo << "\n";
}
void PrintDbgInfo::printStopPoint(const DbgStopPointInst *DSI) {
if (PrintDirectory)
if (MDString *Str = dyn_cast<MDString>(DSI->getDirectory()))
Out << Str->getString() << '/';
if (MDString *Str = dyn_cast<MDString>(DSI->getFileName()))
Out << Str->getString();
Out << ':' << DSI->getLine();
if (unsigned Col = DSI->getColumn())
Out << ':' << Col;
}
void PrintDbgInfo::printFuncStart(const DbgFuncStartInst *FS) {
DISubprogram Subprogram(FS->getSubprogram());
Out << "; fully qualified function name: " << Subprogram.getDisplayName()
<< " return type: " << Subprogram.getReturnTypeName()
<< " at line " << Subprogram.getLineNumber()
<< "\n\n";
}
bool PrintDbgInfo::runOnFunction(Function &F) {
if (F.isDeclaration())
return false;
@@ -108,57 +85,21 @@ bool PrintDbgInfo::runOnFunction(Function &F) {
// Skip dead blocks.
continue;
const DbgStopPointInst *DSI = findBBStopPoint(BB);
Out << BB->getName();
Out << ":";
if (DSI) {
Out << "; (";
printStopPoint(DSI);
Out << ")";
}
Out << "\n";
// A dbgstoppoint's information is valid until we encounter a new one.
const DbgStopPointInst *LastDSP = DSI;
bool Printed = DSI != 0;
for (BasicBlock::const_iterator i = BB->begin(), e = BB->end();
i != e; ++i) {
if (isa<DbgInfoIntrinsic>(i)) {
if ((DSI = dyn_cast<DbgStopPointInst>(i))) {
if (DSI->getContext() == LastDSP->getContext() &&
DSI->getLineValue() == LastDSP->getLineValue() &&
DSI->getColumnValue() == LastDSP->getColumnValue())
// Don't print same location twice.
continue;
LastDSP = cast<DbgStopPointInst>(i);
// Don't print consecutive stoppoints, use a flag to know which one we
// printed.
Printed = false;
} else if (const DbgFuncStartInst *FS = dyn_cast<DbgFuncStartInst>(i)) {
printFuncStart(FS);
}
} else {
if (!Printed && LastDSP) {
Out << "; ";
printStopPoint(LastDSP);
Out << "\n";
Printed = true;
}
Out << *i << '\n';
printVariableDeclaration(i);
if (const User *U = dyn_cast<User>(i)) {
for(unsigned i=0;i<U->getNumOperands();i++)
printVariableDeclaration(U->getOperand(i));
}
}
}
}
return false;
}