# HG changeset patch
# User Lukas Stadler <lukas.stadler@oracle.com>
# Date 1399990565 -7200
# Node ID 9129a2237dd8860ca9b96ad81251791d907f7005
# Parent  c44cf62d1c97368b7d27d8ede503fc7c0e05dfe9
clean up frame states during FrameStateAssignmentPhase

diff -r c44cf62d1c97 -r 9129a2237dd8 graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/FrameStateAssignmentPhase.java
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/FrameStateAssignmentPhase.java	Tue May 13 14:45:57 2014 +0200
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/FrameStateAssignmentPhase.java	Tue May 13 16:16:05 2014 +0200
@@ -109,6 +109,7 @@
         if (graph.getGuardsStage().ordinal() < GuardsStage.AFTER_FSA.ordinal()) {
             ReentrantNodeIterator.apply(new FrameStateAssignmentClosure(), graph.start(), null);
             graph.setGuardsStage(GuardsStage.AFTER_FSA);
+            graph.getNodes(FrameState.class).filter(state -> state.usages().isEmpty()).forEach(GraphUtil::killWithUnusedFloatingInputs);
         }
     }