# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1421846940 -3600
# Node ID 13e43d2a413e20d53794a6590d5557d9bc38345f
# Parent  4af661af76fd0f02fe464d7c5d72a8ac00d5f7d7
Initialize frame state builder created for parse time inlining correctly.

diff -r 4af661af76fd -r 13e43d2a413e graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/GraalOptions.java
--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/GraalOptions.java	Wed Jan 21 13:10:52 2015 +0100
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/GraalOptions.java	Wed Jan 21 14:29:00 2015 +0100
@@ -63,6 +63,9 @@
     @Option(help = "Inlines trivial methods during parsing of the bytecodes.", type = OptionType.Expert)
     public static final StableOptionValue<Boolean> InlineDuringParsing = new StableOptionValue<>(false);
 
+    @Option(help = "Maximum depth when inlining during parsing.", type = OptionType.Debug)
+    public static final StableOptionValue<Integer> InlineDuringParsingMaxDepth = new StableOptionValue<>(10);
+
     @Option(help = "Inlining is explored up to this number of nodes in the graph for each call site.", type = OptionType.Expert)
     public static final OptionValue<Integer> MaximumInliningSize = new OptionValue<>(300);
 
diff -r 4af661af76fd -r 13e43d2a413e graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotSuitesProvider.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotSuitesProvider.java	Wed Jan 21 13:10:52 2015 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotSuitesProvider.java	Wed Jan 21 14:29:00 2015 +0100
@@ -84,6 +84,7 @@
     protected PhaseSuite<HighTierContext> createGraphBuilderSuite() {
         PhaseSuite<HighTierContext> suite = new PhaseSuite<>();
         GraphBuilderConfiguration config = GraphBuilderConfiguration.getDefault();
+        config.setInlineTrivial(true);
         suite.appendPhase(new GraphBuilderPhase(config));
         return suite;
     }
diff -r 4af661af76fd -r 13e43d2a413e graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderConfiguration.java
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderConfiguration.java	Wed Jan 21 13:10:52 2015 +0100
+++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderConfiguration.java	Wed Jan 21 14:29:00 2015 +0100
@@ -36,6 +36,7 @@
     private final ResolvedJavaType[] skippedExceptionTypes;
     private final DebugInfoMode debugInfoMode;
     private final boolean doLivenessAnalysis;
+    private boolean inlineTrivial;
 
     public static enum DebugInfoMode {
         SafePointsOnly,
@@ -130,4 +131,12 @@
     public boolean unresolvedIsError() {
         return eagerResolving;
     }
+
+    public boolean shouldInlineTrivial() {
+        return inlineTrivial;
+    }
+
+    public void setInlineTrivial(boolean inlineTrivial) {
+        this.inlineTrivial = inlineTrivial;
+    }
 }
diff -r 4af661af76fd -r 13e43d2a413e graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java	Wed Jan 21 13:10:52 2015 +0100
+++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java	Wed Jan 21 14:29:00 2015 +0100
@@ -717,8 +717,14 @@
                 }
 
                 if (GraalOptions.InlineDuringParsing.getValue() && invokeKind.isDirect() && targetMethod.canBeInlined() && targetMethod.hasBytecodes()) {
-                    if (targetMethod.getCode().length <= GraalOptions.TrivialInliningSize.getValue()) {
-                        System.out.println("could inline trivial: " + targetMethod);
+                    if (targetMethod.getCode().length <= GraalOptions.TrivialInliningSize.getValue() && currentDepth < GraalOptions.InlineDuringParsingMaxDepth.getValue() &&
+                                    graphBuilderConfig.shouldInlineTrivial()) {
+                        BytecodeParser parser = new BytecodeParser(metaAccess, targetMethod, graphBuilderConfig, optimisticOpts, StructuredGraph.INVOCATION_ENTRY_BCI);
+                        HIRFrameStateBuilder startFrameState = new HIRFrameStateBuilder(targetMethod, currentGraph);
+                        System.out.println(args + ", " + args.length + ", " + targetMethod);
+                        startFrameState.initializeFromArgumentsArray(args);
+                        System.out.println("try inline trivial: " + targetMethod);
+                        parser.build(currentDepth + 1, this.lastInstr, startFrameState);
                     }
                 }
 
diff -r 4af661af76fd -r 13e43d2a413e graal/com.oracle.graal.java/src/com/oracle/graal/java/HIRFrameStateBuilder.java
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/HIRFrameStateBuilder.java	Wed Jan 21 13:10:52 2015 +0100
+++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/HIRFrameStateBuilder.java	Wed Jan 21 14:29:00 2015 +0100
@@ -46,7 +46,7 @@
 
     /**
      * Creates a new frame state builder for the given method and the given target graph.
-     * 
+     *
      * @param method the method whose frame is simulated
      * @param graph the target graph of Graal nodes created by the builder
      */
@@ -59,6 +59,25 @@
         this.graph = graph;
     }
 
+    public final void initializeFromArgumentsArray(ValueNode[] arguments) {
+
+        int javaIndex = 0;
+        int index = 0;
+        if (!method.isStatic()) {
+            // set the receiver
+            storeLocal(javaIndex, arguments[index]);
+            javaIndex = 1;
+            index = 1;
+        }
+        Signature sig = method.getSignature();
+        int max = sig.getParameterCount(false);
+        for (int i = 0; i < max; i++) {
+            storeLocal(javaIndex, arguments[index]);
+            javaIndex += arguments[index].getKind().getSlotCount();
+            index++;
+        }
+    }
+
     public final void initializeForMethodStart(boolean eagerResolve) {
 
         int javaIndex = 0;