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Avoid emitting a useless comment for a basic block with no uses (which

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often happens for the entry basic block of a function)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2624 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-05-14 16:02:05 +00:00
parent b3bc8fa755
commit afc38686b4
1 changed files with 6 additions and 3 deletions
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9
lib/VMCore/AsmWriter.cpp
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@ -636,16 +636,19 @@ void AssemblyWriter::printArgument(const Argument *Arg) {
//
void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
if (BB->hasName()) { // Print out the label if it exists...
Out << "\n" << BB->getName() << ":";
} else {
Out << "\n" << BB->getName() << ":\t\t\t\t\t;[#uses="
<< BB->use_size() << "]"; // Output # uses
} else if (!BB->use_empty()) { // Don't print block # of no uses...
int Slot = Table.getValSlot(BB);
Out << "\n; <label>:";
if (Slot >= 0)
Out << Slot; // Extra newline seperates out label's
else
Out << "<badref>";
Out << "\t\t\t\t\t;[#uses=" << BB->use_size() << "]"; // Output # uses
}
Out << "\t\t\t\t\t;[#uses=" << BB->use_size() << "]\n"; // Output # uses
Out << "\n";
// Output all of the instructions in the basic block...
for_each(BB->begin(), BB->end(),