From fee31b3610b16005d577558ecdcfec2e994a8106 Mon Sep 17 00:00:00 2001
From: Robert Bocchino <bocchino@illinois.edu>
Date: Tue, 10 Jan 2006 19:04:39 +0000
Subject: [PATCH] Added bytecode support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25178 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Bytecode/Reader/Reader.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/Bytecode/Reader/Reader.cpp b/lib/Bytecode/Reader/Reader.cpp
index c97b9a824c8..5e6550215bf 100644
--- a/lib/Bytecode/Reader/Reader.cpp
+++ b/lib/Bytecode/Reader/Reader.cpp
@@ -717,6 +717,13 @@ void BytecodeReader::ParseInstruction(std::vector<unsigned> &Oprnds,
     Result = new VAArgInst(foo, getSanitizedType(Oprnds[1]));
     break;
   }
+  case Instruction::ExtractElement: {
+    if (Oprnds.size() != 2)
+      throw std::string("Invalid extractelement instruction!");
+    Result = new ExtractElementInst(getValue(iType, Oprnds[0]), 
+                                    getValue(Type::UIntTyID, Oprnds[1]));
+    break;
+  }
   case Instruction::Cast:
     Result = new CastInst(getValue(iType, Oprnds[0]),
                           getSanitizedType(Oprnds[1]));
@@ -1441,6 +1448,12 @@ Constant *BytecodeReader::ParseConstantValue(unsigned TypeID) {
                                                  ArgVec[2]);
       if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
       return Result;
+    } else if (Opcode == Instruction::ExtractElement) {
+      if (ArgVec.size() != 2)
+        error("ExtractElement instruction must have two arguments.");
+      Constant* Result = ConstantExpr::getExtractElement(ArgVec[0], ArgVec[1]);
+      if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
+      return Result;
     } else {                            // All other 2-operand expressions
       Constant* Result = ConstantExpr::get(Opcode, ArgVec[0], ArgVec[1]);
       if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);