Mercurial > hg > graal-jvmci-8

comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/utilities/ExactClassValueProfile.java @ 20075:405257253e59

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ExactClassValueProfile: do not create isInstance check for generic (object) profiles
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 30 Mar 2015 14:01:04 +0200
parents 1e542561783e
children
comparison
equal deleted inserted replaced
20074:a7ee2e1f0d4e 20075:405257253e59
38 } 38 }
39 39
40 @SuppressWarnings("unchecked") 40 @SuppressWarnings("unchecked")
41 @Override 41 @Override
42 public <T> T profile(T value) { 42 public <T> T profile(T value) {
43 if (cachedClass != null && cachedClass.isInstance(value)) { 43 if (cachedClass != Object.class) {
44 return (T) cachedClass.cast(value); 44 if (cachedClass != null && cachedClass.isInstance(value)) {
45 } else { 45 return (T) cachedClass.cast(value);
46 CompilerDirectives.transferToInterpreterAndInvalidate();
47 if (cachedClass == null && value != null) {
48 cachedClass = value.getClass();
49 } else { 46 } else {
50 cachedClass = Object.class; 47 CompilerDirectives.transferToInterpreterAndInvalidate();
48 if (cachedClass == null && value != null) {
49 cachedClass = value.getClass();
50 } else {
51 cachedClass = Object.class;
52 }
51 } 53 }
52 } 54 }
53 return value; 55 return value;
54 } 56 }
55 57