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Remove little used statistical counter.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130955 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-05-05 22:00:08 +00:00
parent b6e7cd655c
commit 51a04adc5e
1 changed files with 0 additions and 29 deletions
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29
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -56,10 +56,6 @@ static cl::opt<bool> UnknownLocations("use-unknown-locations", cl::Hidden,
cl::desc("Make an absence of debug location information explicit."), cl::desc("Make an absence of debug location information explicit."),
cl::init(false)); cl::init(false));
#ifndef NDEBUG
STATISTIC(BlocksWithoutLineNo, "Number of blocks without any line number");
#endif
namespace { namespace {
const char *DWARFGroupName = "DWARF Emission"; const char *DWARFGroupName = "DWARF Emission";
const char *DbgTimerName = "DWARF Debug Writer"; const char *DbgTimerName = "DWARF Debug Writer";
@ -1861,37 +1857,12 @@ static DebugLoc FindFirstDebugLoc(const MachineFunction *MF) {
return DebugLoc(); return DebugLoc();
} }
#ifndef NDEBUG
/// CheckLineNumbers - Count basicblocks whose instructions do not have any
/// line number information.
static void CheckLineNumbers(const MachineFunction *MF) {
for (MachineFunction::const_iterator I = MF->begin(), E = MF->end();
I != E; ++I) {
bool FoundLineNo = false;
for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
II != IE; ++II) {
const MachineInstr *MI = II;
if (!MI->getDebugLoc().isUnknown()) {
FoundLineNo = true;
break;
}
}
if (!FoundLineNo && I->size())
++BlocksWithoutLineNo;
}
}
#endif
/// beginFunction - Gather pre-function debug information. Assumes being /// beginFunction - Gather pre-function debug information. Assumes being
/// emitted immediately after the function entry point. /// emitted immediately after the function entry point.
void DwarfDebug::beginFunction(const MachineFunction *MF) { void DwarfDebug::beginFunction(const MachineFunction *MF) {
if (!MMI->hasDebugInfo()) return; if (!MMI->hasDebugInfo()) return;
if (!extractScopeInformation()) return; if (!extractScopeInformation()) return;
#ifndef NDEBUG
CheckLineNumbers(MF);
#endif
FunctionBeginSym = Asm->GetTempSymbol("func_begin", FunctionBeginSym = Asm->GetTempSymbol("func_begin",
Asm->getFunctionNumber()); Asm->getFunctionNumber());
// Assumes in correct section after the entry point. // Assumes in correct section after the entry point.