Fix build breakage

[oota-llvm.git] / lib / VMCore / Instruction.cpp

diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
index 5344cf7bfe58e101a1da105b31f0e0f7f07506d4..3330847c7acd070b7787f99336f1a684be3017cf 100644 (file)
--- a/lib/VMCore/Instruction.cpp
+++ b/lib/VMCore/Instruction.cpp
@@ -128,6 +128,8 @@ const char *Instruction::getOpcodeName(unsigned OpCode) {
   // Other instructions...
   case ICmp:           return "icmp";
   case FCmp:           return "fcmp";
+  case VICmp:          return "vicmp";
+  case VFCmp:          return "vfcmp";
   case PHI:            return "phi";
   case Select:         return "select";
   case Call:           return "call";
@@ -219,7 +221,23 @@ bool Instruction::isUsedOutsideOfBlock(const BasicBlock *BB) const {
   return false;    
 }
 
-
+/// mayReadFromMemory - Return true if this instruction may read memory.
+///
+bool Instruction::mayReadFromMemory() const {
+  switch (getOpcode()) {
+  default: return false;
+  case Instruction::Free:
+  case Instruction::VAArg:
+  case Instruction::Load:
+    return true;
+  case Instruction::Call:
+    return !cast<CallInst>(this)->doesNotAccessMemory();
+  case Instruction::Invoke:
+    return !cast<InvokeInst>(this)->doesNotAccessMemory();
+  case Instruction::Store:
+    return cast<StoreInst>(this)->isVolatile();
+  }
+}
 
 /// mayWriteToMemory - Return true if this instruction may modify memory.
 ///
@@ -227,12 +245,13 @@ bool Instruction::mayWriteToMemory() const {
   switch (getOpcode()) {
   default: return false;
   case Instruction::Free:
-  case Instruction::Invoke:
   case Instruction::Store:
   case Instruction::VAArg:
     return true;
   case Instruction::Call:
     return !cast<CallInst>(this)->onlyReadsMemory();
+  case Instruction::Invoke:
+    return !cast<InvokeInst>(this)->onlyReadsMemory();
   case Instruction::Load:
     return cast<LoadInst>(this)->isVolatile();
   }