Instrumented local variables and implemented runtime.

src/IceCfg.cpp

Index: src/IceCfg.cpp
diff --git a/src/IceCfg.cpp b/src/IceCfg.cpp
index a113b95d47948ddd03c1bbe7bd864c2aa3642bd5..531660bc703b9a53ff669c3477fd233806afc043 100644
--- a/src/IceCfg.cpp
+++ b/src/IceCfg.cpp
@@ -747,6 +747,8 @@ void Cfg::processAllocas(bool SortAndCombine) {
   bool HasDynamicAllocation = false;
   for (Inst &Instr : EntryNode->getInsts()) {
     if (auto *Alloca = llvm::dyn_cast<InstAlloca>(&Instr)) {
+      if (Instr.isDeleted())
+        continue;
       uint32_t AlignmentParam = Alloca->getAlignInBytes();
       if (AlignmentParam > StackAlignment)
         HasLargeAlignment = true;
@@ -769,7 +771,7 @@ void Cfg::processAllocas(bool SortAndCombine) {
     if (Node == EntryNode)
       continue;
     for (Inst &Instr : Node->getInsts()) {
-      if (llvm::isa<InstAlloca>(&Instr)) {
+      if (llvm::isa<InstAlloca>(&Instr) && !Instr.isDeleted()) {
         // Allocations outside the entry block require a frame pointer.
         HasDynamicAllocation = true;
         break;
@@ -792,7 +794,7 @@ void Cfg::processAllocas(bool SortAndCombine) {
   uint32_t MaxAlignment = StackAlignment;
   for (Inst &Instr : EntryNode->getInsts()) {
     if (auto *Alloca = llvm::dyn_cast<InstAlloca>(&Instr)) {
-      if (!llvm::isa<Constant>(Alloca->getSizeInBytes()))
+      if (!llvm::isa<Constant>(Alloca->getSizeInBytes()) || Alloca->isDeleted())
         continue;
       uint32_t AlignmentParam = Alloca->getAlignInBytes();
       // For default align=0, set it to the real value 1, to avoid any