[llvm] r247322 - [IR] Conservatively mark 'catchpad' as accessing memory

[David Majnemer via llvm-commits]

Author: majnemer
Date: Thu Sep 10 13:50:09 2015
New Revision: 247322

URL: http://llvm.org/viewvc/llvm-project?rev=247322&view=rev
Log:
[IR] Conservatively mark 'catchpad' as accessing memory

The exact semantics of 'catchpad' are really in the hands of the
personality routine so we shouldn't assume that they have no side
effects.

Modified:
    llvm/trunk/lib/IR/Instruction.cpp

Modified: llvm/trunk/lib/IR/Instruction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Instruction.cpp?rev=247322&r1=247321&r2=247322&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Instruction.cpp (original)
+++ llvm/trunk/lib/IR/Instruction.cpp Thu Sep 10 13:50:09 2015
@@ -414,6 +414,7 @@ bool Instruction::mayReadFromMemory() co
   case Instruction::Fence: // FIXME: refine definition of mayReadFromMemory
   case Instruction::AtomicCmpXchg:
   case Instruction::AtomicRMW:
+  case Instruction::CatchPad:
   case Instruction::CatchRet:
   case Instruction::TerminatePad:
     return true;
@@ -436,6 +437,7 @@ bool Instruction::mayWriteToMemory() con
   case Instruction::VAArg:
   case Instruction::AtomicCmpXchg:
   case Instruction::AtomicRMW:
+  case Instruction::CatchPad:
   case Instruction::CatchRet:
   case Instruction::TerminatePad:
     return true;