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comparison graal/GraalCompiler/src/com/sun/c1x/ir/Value.java @ 2851:14708c03abba

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Remove isNonNull
author Gilles Duboscq <gilles.duboscq@oracle.com>
date Tue, 07 Jun 2011 11:36:32 +0200
parents bfce42cd9c07
children
comparison
equal deleted inserted replaced
2850:7474789a8120 2851:14708c03abba
39 * The kind of this value. This is {@link CiKind#Void} for instructions that produce no value. 39 * The kind of this value. This is {@link CiKind#Void} for instructions that produce no value.
40 * This kind is guaranteed to be a {@linkplain CiKind#stackKind() stack kind}. 40 * This kind is guaranteed to be a {@linkplain CiKind#stackKind() stack kind}.
41 */ 41 */
42 public final CiKind kind; 42 public final CiKind kind;
43 43
44 private boolean isNonNull;
45
46 protected CiValue operand = CiValue.IllegalValue; 44 protected CiValue operand = CiValue.IllegalValue;
47 45
48 /** 46 /**
49 * Creates a new value with the specified kind. 47 * Creates a new value with the specified kind.
50 * @param kind the type of this value 48 * @param kind the type of this value
62 // TODO: remove when Value class changes are completed 60 // TODO: remove when Value class changes are completed
63 61
64 @Override 62 @Override
65 protected Object clone() throws CloneNotSupportedException { 63 protected Object clone() throws CloneNotSupportedException {
66 throw new CloneNotSupportedException(); 64 throw new CloneNotSupportedException();
67 }
68
69 /**
70 * Checks whether this instruction produces a value which is guaranteed to be non-null.
71 * @return {@code true} if this instruction's value is not null
72 */
73 public boolean isNonNull() {
74 return isNonNull;
75 }
76
77 public void setNonNull(boolean isNonNull) {
78 this.isNonNull = isNonNull;
79 } 65 }
80 66
81 /** 67 /**
82 * Checks whether this value is a constant (i.e. it is of type {@link Constant}. 68 * Checks whether this value is a constant (i.e. it is of type {@link Constant}.
83 * @return {@code true} if this value is a constant 69 * @return {@code true} if this value is a constant
175 return builder.toString(); 161 return builder.toString();
176 } 162 }
177 163
178 public String flagsToString() { 164 public String flagsToString() {
179 StringBuilder sb = new StringBuilder(); 165 StringBuilder sb = new StringBuilder();
180 if (isNonNull()) {
181 sb.append("NonNull");
182 }
183 return sb.toString(); 166 return sb.toString();
184 } 167 }
185 168
186 /** 169 /**
187 * Compute the value number of this Instruction. Local and global value numbering 170 * Compute the value number of this Instruction. Local and global value numbering
217 200
218 @Override 201 @Override
219 public Map<Object, Object> getDebugProperties() { 202 public Map<Object, Object> getDebugProperties() {
220 Map<Object, Object> properties = super.getDebugProperties(); 203 Map<Object, Object> properties = super.getDebugProperties();
221 properties.put("kind", kind.toString()); 204 properties.put("kind", kind.toString());
222 properties.put("nonNull", isNonNull);
223 properties.put("operand", operand == null ? "null" : operand.toString()); 205 properties.put("operand", operand == null ? "null" : operand.toString());
224 return properties; 206 return properties;
225 } 207 }
226 208
227 209