- Print the predecessors of a basic block instead of the number of uses of

the block in the AsmWriter


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4019 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-10-02 19:38:55 +00:00
parent b6984558c5
commit 061269be97

View File

@ -21,6 +21,7 @@
#include "llvm/iPHINode.h"
#include "llvm/iOther.h"
#include "llvm/SymbolTable.h"
#include "llvm/Support/CFG.h"
#include "Support/StringExtras.h"
#include "Support/STLExtras.h"
#include <algorithm>
@ -661,8 +662,7 @@ 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() << ":\t\t\t\t\t;[#uses="
<< BB->use_size() << "]"; // Output # uses
Out << "\n" << BB->getName() << ":";
} else if (!BB->use_empty()) { // Don't print block # of no uses...
int Slot = Table.getValSlot(BB);
Out << "\n; <label>:";
@ -670,7 +670,21 @@ void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
Out << Slot; // Extra newline seperates out label's
else
Out << "<badref>";
Out << "\t\t\t\t\t;[#uses=" << BB->use_size() << "]"; // Output # uses
}
// Output predecessors for the block...
Out << "\t\t;";
pred_const_iterator PI = pred_begin(BB), PE = pred_end(BB);
if (PI == PE) {
Out << " No predecessors!";
} else {
Out << " preds =";
writeOperand(*PI, false, true);
for (++PI; PI != PE; ++PI) {
Out << ",";
writeOperand(*PI, false, true);
}
}
Out << "\n";