Subzero. ARM32. No more SP frobbing.

src/IceInstARM32.cpp

Index: src/IceInstARM32.cpp
diff --git a/src/IceInstARM32.cpp b/src/IceInstARM32.cpp
index 76fceb1990d58ea54180f5d52098f0bd2b2ecfbc..0ca2d6a46cd783813fe6a6b149d34fb95661df51 100644
--- a/src/IceInstARM32.cpp
+++ b/src/IceInstARM32.cpp
@@ -382,13 +382,6 @@ OperandARM32FlexReg::OperandARM32FlexReg(Cfg *Func, Type Ty, Variable *Reg,
     Vars[1] = ShiftVar;
 }
 
-InstARM32AdjustStack::InstARM32AdjustStack(Cfg *Func, Variable *SP,
-                                           SizeT Amount, Operand *SrcAmount)
-    : InstARM32(Func, InstARM32::Adjuststack, 2, SP), Amount(Amount) {
-  addSource(SP);
-  addSource(SrcAmount);
-}
-
 InstARM32Br::InstARM32Br(Cfg *Func, const CfgNode *TargetTrue,
                          const CfgNode *TargetFalse,
                          const InstARM32Label *Label, CondARM32::Cond Pred)
@@ -1272,33 +1265,6 @@ void InstARM32Pop::dump(const Cfg *Func) const {
   }
 }
 
-void InstARM32AdjustStack::emit(const Cfg *Func) const {
-  if (!BuildDefs::dump())
-    return;
-  Ostream &Str = Func->getContext()->getStrEmit();
-  assert(getSrcSize() == 2);
-  Str << "\t"
-      << "sub"
-      << "\t";
-  getDest()->emit(Func);
-  Str << ", ";
-  getSrc(0)->emit(Func);
-  Str << ", ";
-  getSrc(1)->emit(Func);
-  Func->getTarget()->updateStackAdjustment(Amount);
-}
-
-void InstARM32AdjustStack::dump(const Cfg *Func) const {
-  if (!BuildDefs::dump())
-    return;
-  Ostream &Str = Func->getContext()->getStrDump();
-  getDest()->dump(Func);
-  Str << " = sub.i32 ";
-  getSrc(0)->dump(Func);
-  Str << ", " << Amount << " ; ";
-  getSrc(1)->dump(Func);
-}
-
 void InstARM32Push::emit(const Cfg *Func) const {
   // TODO(jpp): Improve FP register save/restore.
   if (!BuildDefs::dump())