ARM32: Lower more integer intrinsics and test.

src/IceTargetLoweringARM32.h

Index: src/IceTargetLoweringARM32.h
diff --git a/src/IceTargetLoweringARM32.h b/src/IceTargetLoweringARM32.h
index 8aa3e11b5ae59b7c5f8bbe0b92b6378e52a96928..becb6152e4e9acd4f671cef78706c5d8c1c84f3f 100644
--- a/src/IceTargetLoweringARM32.h
+++ b/src/IceTargetLoweringARM32.h
@@ -172,6 +172,8 @@ protected:
                     ExtInstr ExtFunc, DivInstr DivFunc,
                     const char *DivHelperName, bool IsRemainder);
 
+  void lowerCLZ(Variable *Dest, Variable *ValLo, Variable *ValHi);
+
   // The following are helpers that insert lowered ARM32 instructions
   // with minimal syntactic overhead, so that the lowering code can
   // look as close to assembly as practical.
@@ -224,6 +226,10 @@ protected:
             CondARM32::Cond Pred = CondARM32::AL) {
     Context.insert(InstARM32Cmp::create(Func, Src0, Src1, Pred));
   }
+  void _clz(Variable *Dest, Variable *Src0,
+            CondARM32::Cond Pred = CondARM32::AL) {
+    Context.insert(InstARM32Clz::create(Func, Dest, Src0, Pred));
+  }
   void _eor(Variable *Dest, Variable *Src0, Operand *Src1,
             CondARM32::Cond Pred = CondARM32::AL) {
     Context.insert(InstARM32Eor::create(Func, Dest, Src0, Src1, Pred));
@@ -301,6 +307,14 @@ protected:
     for (Variable *Dest : Dests)
       Context.insert(InstFakeDef::create(Func, Dest));
   }
+  void _rbit(Variable *Dest, Variable *Src0,
+             CondARM32::Cond Pred = CondARM32::AL) {
+    Context.insert(InstARM32Rbit::create(Func, Dest, Src0, Pred));
+  }
+  void _rev(Variable *Dest, Variable *Src0,
+            CondARM32::Cond Pred = CondARM32::AL) {
+    Context.insert(InstARM32Rev::create(Func, Dest, Src0, Pred));
+  }
   void _ret(Variable *LR, Variable *Src0 = nullptr) {
     Context.insert(InstARM32Ret::create(Func, LR, Src0));
   }