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comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/ReadFunctionNode.java @ 13336:d4c6dd07be76

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SL: added exemplary uses of new profiling utility BranchProfile to SL.
author Christian Humer <christian.humer@gmail.com>
date Sun, 15 Dec 2013 22:20:12 +0100
parents 71991b7a0f14
children
comparison
equal deleted inserted replaced
13335:8531c47138dc 13336:d4c6dd07be76
21 * questions. 21 * questions.
22 */ 22 */
23 package com.oracle.truffle.sl.nodes; 23 package com.oracle.truffle.sl.nodes;
24 24
25 import com.oracle.truffle.api.*; 25 import com.oracle.truffle.api.*;
26 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
27 import com.oracle.truffle.api.frame.*; 26 import com.oracle.truffle.api.frame.*;
27 import com.oracle.truffle.api.utilities.*;
28 import com.oracle.truffle.sl.runtime.*; 28 import com.oracle.truffle.sl.runtime.*;
29 29
30 public final class ReadFunctionNode extends TypedNode { 30 public final class ReadFunctionNode extends TypedNode {
31 31
32 private final SLFunctionRegistry registry; 32 private final SLFunctionRegistry registry;
33 private final String name; 33 private final String name;
34 34 private final BranchProfile invalidFunction = new BranchProfile();
35 @CompilationFinal private boolean seenInvalidFunction;
36 35
37 public ReadFunctionNode(SLFunctionRegistry registry, String name) { 36 public ReadFunctionNode(SLFunctionRegistry registry, String name) {
38 this.registry = registry; 37 this.registry = registry;
39 this.name = name; 38 this.name = name;
40 } 39 }
48 public CallTarget executeCallTarget(VirtualFrame frame) { 47 public CallTarget executeCallTarget(VirtualFrame frame) {
49 CallTarget target = registry.lookup(name); 48 CallTarget target = registry.lookup(name);
50 if (target != null) { 49 if (target != null) {
51 return target; 50 return target;
52 } 51 }
53 if (!seenInvalidFunction) { 52 invalidFunction.enter();
54 CompilerDirectives.transferToInterpreter(); 53 throw new RuntimeException("Function with name '" + name + "' not found.");
55 seenInvalidFunction = true;
56 }
57 if (seenInvalidFunction) {
58 throw new RuntimeException("Function with name '" + name + "' not found.");
59 }
60 return null;
61 } 54 }
62 55
63 } 56 }