Subzero. ARM32. Introduces the ShAmtImm Operand.

src/IceTargetLoweringARM32.h

 //===- subzero/src/IceTargetLoweringARM32.h - ARM32 lowering ----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 138 matching lines @@
     Legal_Mem = 1 << 2,  /// includes [r0, r1 lsl #2] as well as [sp, #12]
     Legal_All = ~Legal_None
   };
 
   using LegalMask = uint32_t;
   Operand *legalizeUndef(Operand *From, int32_t RegNum = Variable::NoRegister);
   Operand *legalize(Operand *From, LegalMask Allowed = Legal_All,
                     int32_t RegNum = Variable::NoRegister);
   Variable *legalizeToReg(Operand *From, int32_t RegNum = Variable::NoRegister);
 
+  OperandARM32ShAmtImm *shAmtImm(uint32_t ShAmtImm) const {
+    assert(ShAmtImm < 32);
+    return OperandARM32ShAmtImm::create(
+        Func,
+        llvm::cast<ConstantInteger32>(Ctx->getConstantInt32(ShAmtImm & 0x1F)));
+  }
+
   GlobalContext *getCtx() const { return Ctx; }
 
 protected:
   explicit TargetARM32(Cfg *Func);
 
   void postLower() override;
 
   enum SafeBoolChain {
     SBC_No,
     SBC_Yes,
@@ skipping 820 matching lines @@
 
 private:
   ~TargetHeaderARM32() = default;
 
   TargetARM32Features CPUFeatures;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGARM32_H