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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/LIRValueUtil.java

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  52         return value instanceof ConstantValue;
  53     }
  54 
  55     public static ConstantValue asConstantValue(Value value) {
  56         assert value != null;
  57         return (ConstantValue) value;
  58     }
  59 
  60     public static Constant asConstant(Value value) {
  61         return asConstantValue(value).getConstant();
  62     }
  63 
  64     public static boolean isJavaConstant(Value value) {
  65         return isConstantValue(value) && asConstantValue(value).isJavaConstant();
  66     }
  67 
  68     public static JavaConstant asJavaConstant(Value value) {
  69         return asConstantValue(value).getJavaConstant();
  70     }
  71 










  72     public static boolean isStackSlotValue(Value value) {
  73         assert value != null;
  74         return value instanceof StackSlot || value instanceof VirtualStackSlot;
  75     }
  76 
  77     public static boolean isVirtualStackSlot(Value value) {
  78         assert value != null;
  79         return value instanceof VirtualStackSlot;
  80     }
  81 
  82     public static VirtualStackSlot asVirtualStackSlot(Value value) {
  83         assert value != null;
  84         return (VirtualStackSlot) value;
  85     }
  86 
  87     public static boolean sameRegister(Value v1, Value v2) {
  88         return isRegister(v1) && isRegister(v2) && asRegister(v1).equals(asRegister(v2));
  89     }
  90 
  91     public static boolean sameRegister(Value v1, Value v2, Value v3) {




  52         return value instanceof ConstantValue;
  53     }
  54 
  55     public static ConstantValue asConstantValue(Value value) {
  56         assert value != null;
  57         return (ConstantValue) value;
  58     }
  59 
  60     public static Constant asConstant(Value value) {
  61         return asConstantValue(value).getConstant();
  62     }
  63 
  64     public static boolean isJavaConstant(Value value) {
  65         return isConstantValue(value) && asConstantValue(value).isJavaConstant();
  66     }
  67 
  68     public static JavaConstant asJavaConstant(Value value) {
  69         return asConstantValue(value).getJavaConstant();
  70     }
  71 
  72     public static boolean isIntConstant(Value value, long expected) {
  73         if (isJavaConstant(value)) {
  74             JavaConstant javaConstant = asJavaConstant(value);
  75             if (javaConstant != null && javaConstant.getJavaKind().isNumericInteger()) {
  76                 return javaConstant.asLong() == expected;
  77             }
  78         }
  79         return false;
  80     }
  81 
  82     public static boolean isStackSlotValue(Value value) {
  83         assert value != null;
  84         return value instanceof StackSlot || value instanceof VirtualStackSlot;
  85     }
  86 
  87     public static boolean isVirtualStackSlot(Value value) {
  88         assert value != null;
  89         return value instanceof VirtualStackSlot;
  90     }
  91 
  92     public static VirtualStackSlot asVirtualStackSlot(Value value) {
  93         assert value != null;
  94         return (VirtualStackSlot) value;
  95     }
  96 
  97     public static boolean sameRegister(Value v1, Value v2) {
  98         return isRegister(v1) && isRegister(v2) && asRegister(v1).equals(asRegister(v2));
  99     }
 100 
 101     public static boolean sameRegister(Value v1, Value v2, Value v3) {


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