Revert r57340 move guard mutex in getPointerToFunction as this can cause

deadlock issues with java

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57356 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/ExecutionEngine/JIT/JIT.cpp b/lib/ExecutionEngine/JIT/JIT.cpp
index 413308c..f57de17 100644 (file)
--- a/lib/ExecutionEngine/JIT/JIT.cpp
+++ b/lib/ExecutionEngine/JIT/JIT.cpp
@@ -489,8 +489,6 @@ void *JIT::getPointerToFunction(Function *F) {
   if (void *Addr = getPointerToGlobalIfAvailable(F))
     return Addr;   // Check if function already code gen'd
 
-  MutexGuard locked(lock);
-
   // Make sure we read in the function if it exists in this Module.
   if (F->hasNotBeenReadFromBitcode()) {
     // Determine the module provider this function is provided by.
@@ -516,6 +514,8 @@ void *JIT::getPointerToFunction(Function *F) {
     return Addr;
   }
 
+  MutexGuard locked(lock);
+
   if (F->isDeclaration()) {
     void *Addr = getPointerToNamedFunction(F->getName());
     addGlobalMapping(F, Addr);