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changeset 22309:ac762c1bc9a4

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LSStackSlotAllocator: only run if there are virtual stack slots.
author Josef Eisl <josef.eisl@jku.at>
date Wed, 22 Jul 2015 17:18:14 +0200
parents 399b05144895
children d769b9ccc2b5
files graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/LSStackSlotAllocator.java
diffstat 1 files changed, 4 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/LSStackSlotAllocator.java	Wed Jul 22 17:10:21 2015 +0200
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/LSStackSlotAllocator.java	Wed Jul 22 17:18:14 2015 +0200
@@ -77,8 +77,10 @@
     }
 
     public void allocateStackSlots(FrameMapBuilderTool builder, LIRGenerationResult res) {
-        try (DebugCloseable t = MainTimer.start()) {
-            new Allocator(res.getLIR(), builder).allocate();
+        if (builder.getNumberOfStackSlots() > 0) {
+            try (DebugCloseable t = MainTimer.start()) {
+                new Allocator(res.getLIR(), builder).allocate();
+            }
         }
     }