Mercurial > hg > graal-jvmci-8

diff graal/GraalCompiler/src/com/sun/c1x/value/FrameState.java @ 2808:189ffb7d1d84

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
enable PhiSimplifier, schedule values used in a merge's stateBefore in the dominator
author Lukas Stadler <lukas.stadler@jku.at>
date Mon, 30 May 2011 13:42:23 +0200
parents c3f64b66fc78
children bd17ac598c6e
line wrap: on
line diff
--- a/graal/GraalCompiler/src/com/sun/c1x/value/FrameState.java	Fri May 27 23:47:23 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/value/FrameState.java	Mon May 30 13:42:23 2011 +0200
@@ -381,6 +381,16 @@
         }
     }
 
+    public Merge block() {
+        if (usages().size() > 0) {
+            assert usages().size() == 1;
+            Node node = usages().get(0);
+            if (node instanceof Merge) {
+                return (Merge) node;
+            }
+        }
+        return null;
+    }
 
     /**
      * The interface implemented by a client of {@link FrameState#forEachPhi(Merge, PhiProcedure)} and