StandardInstrumentation: print verifier output to errs

Enabling the verifiers is not very helpful if their output is
suppressed beyond the fatal error.

Differential Revision: https://reviews.llvm.org/D128743

diff --git a/llvm/lib/Passes/StandardInstrumentations.cpp b/llvm/lib/Passes/StandardInstrumentations.cpp
index 4cd2a1a..ab9f8bf 100644 (file)
--- a/llvm/lib/Passes/StandardInstrumentations.cpp
+++ b/llvm/lib/Passes/StandardInstrumentations.cpp
@@ -1192,7 +1192,7 @@ void VerifyInstrumentation::registerCallbacks(
           if (DebugLogging)
             dbgs() << "Verifying function " << F->getName() << "\n";
 
-          if (verifyFunction(*F))
+          if (verifyFunction(*F, &errs()))
             report_fatal_error("Broken function found, compilation aborted!");
         } else if (any_isa<const Module *>(IR) ||
                    any_isa<const LazyCallGraph::SCC *>(IR)) {
@@ -1207,7 +1207,7 @@ void VerifyInstrumentation::registerCallbacks(
           if (DebugLogging)
             dbgs() << "Verifying module " << M->getName() << "\n";
 
-          if (verifyModule(*M))
+          if (verifyModule(*M, &errs()))
             report_fatal_error("Broken module found, compilation aborted!");
         }
       });