Don't try to materialize a function that isn't materializable anyways. This

fixes a crash using FPM on a Function that isn't owned by a Module.

llvm-svn: 96273

1 files changed, 5 insertions, 3 deletions

diff --git a/llvm/lib/VMCore/PassManager.cpp b/llvm/lib/VMCore/PassManager.cpp
index a1d554e4ff8..8a3527ea52a 100644
--- a/llvm/lib/VMCore/PassManager.cpp
+++ b/llvm/lib/VMCore/PassManager.cpp
@@ -1220,9 +1220,11 @@ void FunctionPassManager::add(Pass *P) {
 /// so, return true.
 ///
 bool FunctionPassManager::run(Function &F) {
-  std::string errstr;
-  if (F.Materialize(&errstr)) {
-    llvm_report_error("Error reading bitcode file: " + errstr);
+  if (F.isMaterializable()) {
+    std::string errstr;
+    if (F.Materialize(&errstr)) {
+      llvm_report_error("Error reading bitcode file: " + errstr);
+    }
   }
   return FPM->run(F);
 }