Subzero: Simplify the constant pools.

src/IceTargetLoweringX8632.h

Index: src/IceTargetLoweringX8632.h
diff --git a/src/IceTargetLoweringX8632.h b/src/IceTargetLoweringX8632.h
index 74ba287767f2a99a0e6ffc3176d0c3e648f18ca3..920d4cdc9a3b032ef8ae5fbe1d1cfb5876fd6f94 100644
--- a/src/IceTargetLoweringX8632.h
+++ b/src/IceTargetLoweringX8632.h
@@ -161,11 +161,12 @@ protected:
   Variable *makeReg(Type Ty, int32_t RegNum = Variable::NoRegister);
   InstCall *makeHelperCall(const IceString &Name, Variable *Dest,
                            SizeT MaxSrcs) {
-    bool SuppressMangling = true;
-    const Type FunctionPointerType = IceType_i32;
-    Constant *CallTarget =
-        Ctx->getConstantSym(FunctionPointerType, 0, Name, SuppressMangling);
-    InstCall *Call = InstCall::create(Func, MaxSrcs, Dest, CallTarget, false);
+    const bool SuppressMangling = true;
+    const bool HasTailCall = false;
+    const RelocOffsetT Offset = 0;
+    Constant *CallTarget = Ctx->getConstantSym(Offset, Name, SuppressMangling);
+    InstCall *Call =
+        InstCall::create(Func, MaxSrcs, Dest, CallTarget, HasTailCall);
     return Call;
   }
   static Type stackSlotType();