Remove Emscripten support

lib/Transforms/NaCl/ExpandInsertExtractElement.cpp

Index: lib/Transforms/NaCl/ExpandInsertExtractElement.cpp
diff --git a/lib/Transforms/NaCl/ExpandInsertExtractElement.cpp b/lib/Transforms/NaCl/ExpandInsertExtractElement.cpp
deleted file mode 100644
index 5d974fc3ccd1c701b20a5e7546ca79d25d39a346..0000000000000000000000000000000000000000
--- a/lib/Transforms/NaCl/ExpandInsertExtractElement.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-//==- ExpandInsertExtractElement.cpp - Expand vector insert and extract -=//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===------------------------------------------------------------------===//
-//
-// This pass expands insertelement and extractelement instructions with
-// variable indices, which SIMD.js doesn't natively support yet.
-//
-//===------------------------------------------------------------------===//
-
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/InstIterator.h"
-#include "llvm/IR/Instructions.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Pass.h"
-#include "llvm/Transforms/NaCl.h"
-#include "llvm/Transforms/Utils/Local.h"
-#include <map>
-#include <vector>
-
-#include "llvm/Support/raw_ostream.h"
-
-#ifdef NDEBUG
-#undef assert
-#define assert(x) { if (!(x)) report_fatal_error(#x); }
-#endif
-
-using namespace llvm;
-
-namespace {
-
-  class ExpandInsertExtractElement : public FunctionPass {
-    bool Changed;
-
-  public:
-    static char ID;
-    ExpandInsertExtractElement() : FunctionPass(ID) {
-      initializeExpandInsertExtractElementPass(*PassRegistry::getPassRegistry());
-    }
-
-    virtual bool runOnFunction(Function &F);
-  };
-}
-
-char ExpandInsertExtractElement::ID = 0;
-INITIALIZE_PASS(ExpandInsertExtractElement, "expand-insert-extract-elements",
-                "Expand and lower insert and extract element operations",
-                false, false)
-
-// Utilities
-
-bool ExpandInsertExtractElement::runOnFunction(Function &F) {
-  Changed = false;
-
-  Instruction *Entry = F.getEntryBlock().begin();
-  Type *Int32 = Type::getInt32Ty(F.getContext());
-  Constant *Zero = ConstantInt::get(Int32, 0);
-  for (inst_iterator I = inst_begin(&F), E = inst_end(&F); I != E; ) {
-    Instruction *Inst = &*I++;
-
-    if (InsertElementInst *III = dyn_cast<InsertElementInst>(Inst)) {
-      if (isa<ConstantInt>(III->getOperand(2)))
-          continue;
-
-      Type *AllocaTy = III->getType();
-      Instruction *A = new AllocaInst(AllocaTy, 0, "", Entry);
-      CopyDebug(new StoreInst(III->getOperand(0), A, III), III);
-
-      Value *Idxs[] = { Zero, III->getOperand(2) };
-      Instruction *B = CopyDebug(
-          GetElementPtrInst::Create(AllocaTy, A, Idxs, "", III), III);
-      CopyDebug(new StoreInst(III->getOperand(1), B, III), III);
-
-      Instruction *L = CopyDebug(new LoadInst(A, "", III), III);
-      III->replaceAllUsesWith(L);
-      III->eraseFromParent();
-    } else if (ExtractElementInst *EII = dyn_cast<ExtractElementInst>(Inst)) {
-      if (isa<ConstantInt>(EII->getOperand(1)))
-          continue;
-
-      Type *AllocaTy = EII->getOperand(0)->getType();
-      Instruction *A = new AllocaInst(AllocaTy, 0, "", Entry);
-      CopyDebug(new StoreInst(EII->getOperand(0), A, EII), EII);
-
-      Value *Idxs[] = { Zero, EII->getOperand(1) };
-      Instruction *B = CopyDebug(
-          GetElementPtrInst::Create(AllocaTy, A, Idxs, "", EII), EII);
-      Instruction *L = CopyDebug(new LoadInst(B, "", EII), EII);
-      EII->replaceAllUsesWith(L);
-      EII->eraseFromParent();
-    }
-  }
-
-  return Changed;
-}
-
-FunctionPass *llvm::createExpandInsertExtractElementPass() {
-  return new ExpandInsertExtractElement();
-}