[llvm-commits] [llvm] r83401 - /llvm/trunk/unittests/ExecutionEngine/JIT/JITTest.cpp

[Jeffrey Yasskin]

Author: jyasskin
Date: Tue Oct  6 14:06:16 2009
New Revision: 83401

URL: http://llvm.org/viewvc/llvm-project?rev=83401&view=rev
Log:
Fix illegal cross-type aliasing. Found by baldrick on a newer gcc.

Modified:
    llvm/trunk/unittests/ExecutionEngine/JIT/JITTest.cpp

Modified: llvm/trunk/unittests/ExecutionEngine/JIT/JITTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/ExecutionEngine/JIT/JITTest.cpp?rev=83401&r1=83400&r2=83401&view=diff

==============================================================================
--- llvm/trunk/unittests/ExecutionEngine/JIT/JITTest.cpp (original)
+++ llvm/trunk/unittests/ExecutionEngine/JIT/JITTest.cpp Tue Oct  6 14:06:16 2009
@@ -99,9 +99,8 @@
 
   // Get the pointer to the native code to force it to JIT the function and
   // allocate space for the global.
-  void (*F1Ptr)();
-  // Hack to avoid ISO C++ warning about casting function pointers.
-  *(void**)(void*)&F1Ptr = JIT->getPointerToFunction(F1);
+  void (*F1Ptr)() =
+      reinterpret_cast<void(*)()>((intptr_t)JIT->getPointerToFunction(F1));
 
   // Since F1 was codegen'd, a pointer to G should be available.
   int32_t *GPtr = (int32_t*)JIT->getPointerToGlobalIfAvailable(G);
@@ -115,9 +114,8 @@
   // Make a second function identical to the first, referring to the same
   // global.
   Function *F2 = makeReturnGlobal("F2", G, M);
-  // Hack to avoid ISO C++ warning about casting function pointers.
-  void (*F2Ptr)();
-  *(void**)(void*)&F2Ptr = JIT->getPointerToFunction(F2);
+  void (*F2Ptr)() =
+      reinterpret_cast<void(*)()>((intptr_t)JIT->getPointerToFunction(F2));
 
   // F2() should increment G.
   F2Ptr();