# HG changeset patch
# User Josef Eisl <josef.eisl@jku.at>
# Date 1422697760 -3600
# Node ID 3ec39188b0eea4a75befb65f5f3b75aa6f16c7e1
# Parent  e22286559a8b002661fd19fa4cdcf83042aeae40
StackInterval: remove use position list.

diff -r e22286559a8b -r 3ec39188b0ee graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/LSStackSlotAllocator.java
--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/LSStackSlotAllocator.java	Sat Jan 31 10:35:50 2015 +0100
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/LSStackSlotAllocator.java	Sat Jan 31 10:49:20 2015 +0100
@@ -294,16 +294,16 @@
                         if (Debug.isMeterEnabled() && !(interval.from() == 0 && interval.to() == maxOpId())) {
                             uninitializedSlots.increment();
                         }
-                        interval.addDef(0);
-                        interval.addUse(maxOpId());
+                        interval.addFrom(0);
+                        interval.addTo(maxOpId());
                     } else {
-                        interval.addUse(inst.id());
+                        interval.addTo(inst.id());
                     }
                 }
 
                 private void addDef(VirtualStackSlot stackSlot, LIRInstruction inst) {
                     StackInterval interval = getOrCreateInterval(stackSlot);
-                    interval.addDef(inst.id());
+                    interval.addFrom(inst.id());
                 }
 
             }
diff -r e22286559a8b -r 3ec39188b0ee graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/StackInterval.java
--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/StackInterval.java	Sat Jan 31 10:35:50 2015 +0100
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/StackInterval.java	Sat Jan 31 10:49:20 2015 +0100
@@ -22,11 +22,8 @@
  */
 package com.oracle.graal.lir.stackslotalloc;
 
-import java.util.*;
-
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
-import com.oracle.graal.debug.*;
 
 public final class StackInterval {
 
@@ -36,19 +33,11 @@
     private final LIRKind kind;
     private int from = INVALID_START;
     private int to = INVALID_END;
-    private final SortedMap<Integer, UseType> usePos;
     private StackSlot location;
 
-    public enum UseType {
-        // Prefixes for c1viz
-        M_USE,
-        S_DEF
-    }
-
     public StackInterval(VirtualStackSlot operand, LIRKind kind) {
         this.operand = operand;
         this.kind = kind;
-        this.usePos = new TreeMap<>();
     }
 
     public boolean verify(LSStackSlotAllocator.Allocator allocator) {
@@ -61,20 +50,6 @@
         return operand;
     }
 
-    public void addUse(int opId) {
-        addTo(opId);
-        Debug.log("Adding use pos: %d", opId);
-        // we might overwrite the previous entry
-        usePos.put(opId, UseType.M_USE);
-    }
-
-    public void addDef(int opId) {
-        addFrom(opId);
-        Debug.log("Adding def pos: %d", opId);
-        // we might overwrite the previous entry
-        usePos.put(opId, UseType.S_DEF);
-    }
-
     public void addTo(int opId) {
         if (opId >= to) {
             to = opId;
@@ -111,10 +86,6 @@
         return to;
     }
 
-    public SortedMap<Integer, UseType> usePosList() {
-        return usePos;
-    }
-
     public void fixFrom() {
         if (from == INVALID_START) {
             from = 0;
diff -r e22286559a8b -r 3ec39188b0ee graal/com.oracle.graal.printer/src/com/oracle/graal/printer/CFGPrinter.java
--- a/graal/com.oracle.graal.printer/src/com/oracle/graal/printer/CFGPrinter.java	Sat Jan 31 10:35:50 2015 +0100
+++ b/graal/com.oracle.graal.printer/src/com/oracle/graal/printer/CFGPrinter.java	Sat Jan 31 10:49:20 2015 +0100
@@ -26,7 +26,6 @@
 
 import java.io.*;
 import java.util.*;
-import java.util.Map.Entry;
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
@@ -39,7 +38,6 @@
 import com.oracle.graal.java.BciBlockMapping.BciBlock;
 import com.oracle.graal.lir.*;
 import com.oracle.graal.lir.stackslotalloc.*;
-import com.oracle.graal.lir.stackslotalloc.StackInterval.UseType;
 import com.oracle.graal.nodeinfo.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.calc.*;
@@ -588,18 +586,8 @@
 
         out.printf("[%d, %d[", interval.from(), interval.to());
 
-        // print use positions
-        int prev = -1;
-        for (Entry<Integer, UseType> e : interval.usePosList().entrySet()) {
-            int usePos = e.getKey();
-            UseType useType = e.getValue();
-            assert prev <= usePos : "use positions not sorted";
-            out.printf("%d %s ", usePos, useType);
-            prev = usePos;
-        }
-
         // print spill state
-        out.printf(" \"%s\"", "NOT_SUPPORTED");
+        out.printf(" \"NOT_SUPPORTED\"");
         out.println();
     }