llvm-cov: Warn instead of error if a .gcda has arcs from an exit block
Patch by Vanderson M. Rosario. Thanks!
llvm-svn: 232443
diff --git a/llvm/lib/IR/GCOV.cpp b/llvm/lib/IR/GCOV.cpp
index 08f44e0..b0a2bae 100644
--- a/llvm/lib/IR/GCOV.cpp
+++ b/llvm/lib/IR/GCOV.cpp
@@ -302,10 +302,12 @@
// required to combine the edge counts that are contained in the GCDA file.
for (uint32_t BlockNo = 0; Count > 0; ++BlockNo) {
// The last block is always reserved for exit block
- if (BlockNo >= Blocks.size() - 1) {
+ if (BlockNo >= Blocks.size()) {
errs() << "Unexpected number of edges (in " << Name << ").\n";
return false;
}
+ if (BlockNo == Blocks.size() - 1)
+ errs() << "(" << Name << ") has arcs from exit block.\n";
GCOVBlock &Block = *Blocks[BlockNo];
for (size_t EdgeNo = 0, End = Block.getNumDstEdges(); EdgeNo < End;
++EdgeNo) {