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diff graal/GraalCompiler/src/com/sun/c1x/gen/PhiSimplifier.java @ 2791:6d14aa4fbf90

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Gotos removed (except for exception dispatch chains and edge splitting).
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 25 May 2011 20:03:05 +0200
parents 398b8fa5dc81
children 189ffb7d1d84
line wrap: on
line diff
--- a/graal/GraalCompiler/src/com/sun/c1x/gen/PhiSimplifier.java	Wed May 25 19:29:40 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/gen/PhiSimplifier.java	Wed May 25 20:03:05 2011 +0200
@@ -44,6 +44,11 @@
             return x;
         }
         Phi phi = (Phi) x;
+
+        if (phi.valueCount() == 1) {
+            return (Value) phi.replace(phi.valueAt(0));
+        }
+
         if (phi.checkFlag(Value.Flag.PhiCannotSimplify)) {
             // already tried, cannot simplify this phi
             return phi;