diff --git a/lib/Analysis/IPA/GlobalsModRef.cpp b/lib/Analysis/IPA/GlobalsModRef.cpp
index f5c1108..7949288 100644
--- a/lib/Analysis/IPA/GlobalsModRef.cpp
+++ b/lib/Analysis/IPA/GlobalsModRef.cpp
@@ -303,7 +303,7 @@
       // Check the value being stored.
       Value *Ptr = SI->getOperand(0)->getUnderlyingObject();
 
-      if (isa<MallocInst>(Ptr) || isMalloc(Ptr)) {
+      if (isMalloc(Ptr)) {
         // Okay, easy case.
       } else if (CallInst *CI = dyn_cast<CallInst>(Ptr)) {
         Function *F = CI->getCalledFunction();
@@ -439,8 +439,7 @@
           if (cast<StoreInst>(*II).isVolatile())
             // Treat volatile stores as reading memory somewhere.
             FunctionEffect |= Ref;
-        } else if (isa<MallocInst>(*II) || isa<FreeInst>(*II) ||
-                   isMalloc(&cast<Instruction>(*II))) {
+        } else if (isMalloc(&cast<Instruction>(*II)) || isa<FreeInst>(*II)) {
           FunctionEffect |= ModRef;
         }
 
diff --git a/lib/Analysis/InlineCost.cpp b/lib/Analysis/InlineCost.cpp
index 3b0d2c9..b833baa 100644
--- a/lib/Analysis/InlineCost.cpp
+++ b/lib/Analysis/InlineCost.cpp
@@ -131,7 +131,7 @@
     }
     
     // These, too, are calls.
-    if (isa<MallocInst>(II) || isa<FreeInst>(II))
+    if (isa<FreeInst>(II))
       NumInsts += InlineConstants::CallPenalty;
 
     if (const AllocaInst *AI = dyn_cast<AllocaInst>(II)) {
diff --git a/lib/Analysis/InstCount.cpp b/lib/Analysis/InstCount.cpp
index 83724ca..4cde793 100644
--- a/lib/Analysis/InstCount.cpp
+++ b/lib/Analysis/InstCount.cpp
@@ -76,11 +76,11 @@
 bool InstCount::runOnFunction(Function &F) {
   unsigned StartMemInsts =
     NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst +
-    NumInvokeInst + NumAllocaInst + NumMallocInst + NumFreeInst;
+    NumInvokeInst + NumAllocaInst + NumFreeInst;
   visit(F);
   unsigned EndMemInsts =
     NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst +
-    NumInvokeInst + NumAllocaInst + NumMallocInst + NumFreeInst;
+    NumInvokeInst + NumAllocaInst + NumFreeInst;
   TotalMemInst += EndMemInsts-StartMemInsts;
   return false;
 }
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index baa347a..dc0d489 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -469,26 +469,11 @@
     break;
   }
 
-  case Instruction::Alloca:
-  case Instruction::Malloc: {
+  case Instruction::Alloca: {
     AllocationInst *AI = cast<AllocationInst>(V);
     unsigned Align = AI->getAlignment();
-    if (Align == 0 && TD) {
-      if (isa<AllocaInst>(AI))
-        Align = TD->getABITypeAlignment(AI->getType()->getElementType());
-      else if (isa<MallocInst>(AI)) {
-        // Malloc returns maximally aligned memory.
-        Align = TD->getABITypeAlignment(AI->getType()->getElementType());
-        Align =
-          std::max(Align,
-                   (unsigned)TD->getABITypeAlignment(
-                     Type::getDoubleTy(V->getContext())));
-        Align =
-          std::max(Align,
-                   (unsigned)TD->getABITypeAlignment(
-                      Type::getInt64Ty(V->getContext())));
-      }
-    }
+    if (Align == 0 && TD)
+      Align = TD->getABITypeAlignment(AI->getType()->getElementType());
     
     if (Align > 0)
       KnownZero = Mask & APInt::getLowBitsSet(BitWidth,