[llvm-commits] [llvm-gcc-4.2] r56346 - in /llvm-gcc-4.2/trunk/gcc: llvm-backend.cpp llvm-linker-hack.cpp

[Duncan Sands]

Author: baldrick
Date: Fri Sep 19 09:37:06 2008
New Revision: 56346

URL: http://llvm.org/viewvc/llvm-project?rev=56346&view=rev
Log:
Turn on the AddReadAttrs pass.

Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp
    llvm-gcc-4.2/trunk/gcc/llvm-linker-hack.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp?rev=56346&r1=56345&r2=56346&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp Fri Sep 19 09:37:06 2008
@@ -400,8 +400,11 @@
     }
     PM->add(createInstructionCombiningPass());    // Clean up after IPCP & DAE
     PM->add(createCFGSimplificationPass());       // Clean up after IPCP & DAE
-    if (flag_unit_at_a_time && flag_exceptions)
-      PM->add(createPruneEHPass());               // Remove dead EH info
+    if (flag_unit_at_a_time) {
+      if (flag_exceptions)
+        PM->add(createPruneEHPass());             // Remove dead EH info
+      PM->add(createAddReadAttrsPass());          // Set readonly/readnone attrs
+    }
     if (flag_inline_trees > 1)                    // respect -fno-inline-functions
       PM->add(createFunctionInliningPass());      // Inline small functions
     else if (NeedAlwaysInliner)

Modified: llvm-gcc-4.2/trunk/gcc/llvm-linker-hack.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-linker-hack.cpp?rev=56346&r1=56345&r2=56346&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-linker-hack.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-linker-hack.cpp Fri Sep 19 09:37:06 2008
@@ -85,6 +85,7 @@
   llvm::createMemCpyOptPass();
   llvm::createDeadTypeEliminationPass();
   llvm::createLoopDeletionPass();
+  llvm::createAddReadAttrsPass();
 
   std::string Err;
   llvm::TargetMachineRegistry::getClosestStaticTargetForModule(*MP->getModule(),