Don't print 'No predecessors!' on the entry block
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10038 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index 67ccdd0..da38260 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -748,18 +748,20 @@
Out << "<badref>";
}
- // 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 << ",";
+ if (BB != &BB->getParent()->front()) { // Not the entry block?
+ // 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);
+ }
}
}