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comparison graal/com.oracle.max.cri/src/com/oracle/max/cri/ri/RiProfilingInfo.java @ 4448:9e8e92c3ff17

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first parts for inlining multiple methods, added Simplifiable to switch nodes, some documentation
author Christian Haeubl <christian.haeubl@oracle.com>
date Thu, 26 Jan 2012 22:44:31 -0800
parents 4e3aaf14cbc6
children 5acf4a974e4a
comparison
equal deleted inserted replaced
4447:00a04b57a046 4448:9e8e92c3ff17
23 package com.oracle.max.cri.ri; 23 package com.oracle.max.cri.ri;
24 24
25 25
26 /** 26 /**
27 * Represents profiling information for one specific method. 27 * Represents profiling information for one specific method.
28 * Every accessor method returns the information that is available at the time of its invocation.
29 * If a method is invoked multiple times, it may return a significantly different results for every invocation.
28 */ 30 */
29 public interface RiProfilingInfo { 31 public interface RiProfilingInfo {
30 /** 32 /**
31 * Returns an estimate of how often the branch at the given byte code was taken. 33 * Returns an estimate of how often the branch at the given byte code was taken.
32 * @return The estimated probability, with 0.0 meaning never and 1.0 meaning always, or -1 if this information is not available. 34 * @return The estimated probability, with 0.0 meaning never and 1.0 meaning always, or -1 if this information is not available.
53 * @return true if any of the exceptions was encountered during profiling, false otherwise. 55 * @return true if any of the exceptions was encountered during profiling, false otherwise.
54 */ 56 */
55 boolean getImplicitExceptionSeen(int bci); 57 boolean getImplicitExceptionSeen(int bci);
56 58
57 /** 59 /**
58 * Returns an estimate how often the current BCI was executed. 60 * Returns an estimate how often the current BCI was executed. Avoid comparing execution counts to each other,
61 * as the returned value highly depends on the time of invocation.
59 * @return the estimated execution count or -1 if not available. 62 * @return the estimated execution count or -1 if not available.
60 */ 63 */
61 int getExecutionCount(int bci); 64 int getExecutionCount(int bci);
62 } 65 }