[llvm] r196542 - llvm-cov: Further improved error messages.

[Yuchen Wu]

Author: ywu
Date: Thu Dec  5 16:02:33 2013
New Revision: 196542

URL: http://llvm.org/viewvc/llvm-project?rev=196542&view=rev
Log:
llvm-cov: Further improved error messages.

Modified:
    llvm/trunk/lib/IR/GCOV.cpp

Modified: llvm/trunk/lib/IR/GCOV.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/GCOV.cpp?rev=196542&r1=196541&r2=196542&view=diff
==============================================================================
--- llvm/trunk/lib/IR/GCOV.cpp (original)
+++ llvm/trunk/lib/IR/GCOV.cpp Thu Dec  5 16:02:33 2013
@@ -159,7 +159,8 @@ bool GCOVFunction::readGCNO(GCOVBuffer &
     uint32_t BlockNo;
     if (!Buff.readInt(BlockNo)) return false;
     if (BlockNo >= BlockCount) {
-      errs() << "Unexpected block number (in " << Name << ").\n";
+      errs() << "Unexpected block number: " << BlockNo << " (in " << Name
+             << ").\n";
       return false;
     }
     for (uint32_t i = 0, e = EdgeCount; i != e; ++i) {
@@ -181,7 +182,8 @@ bool GCOVFunction::readGCNO(GCOVBuffer &
     uint32_t BlockNo;
     if (!Buff.readInt(BlockNo)) return false;
     if (BlockNo >= BlockCount) {
-      errs() << "Unexpected block number (in " << Name << ").\n";
+      errs() << "Unexpected block number: " << BlockNo << " (in " << Name
+             << ").\n";
       return false;
     }
     GCOVBlock *Block = Blocks[BlockNo];
@@ -189,9 +191,9 @@ bool GCOVFunction::readGCNO(GCOVBuffer &
     while (Buff.getCursor() != (EndPos - 4)) {
       StringRef F;
       if (!Buff.readString(F)) return false;
-      if (F != Filename) {
-        errs() << "Multiple sources for a single basic block (in "
-               << Name << ").\n";
+      if (Filename != F) {
+        errs() << "Multiple sources for a single basic block: " << Filename
+               << " != " << F << " (in " << Name << ").\n";
         return false;
       }
       if (Buff.getCursor() == (EndPos - 4)) break;