lowering: add option to dump lowering after every node

chrischiedo · Dec 21, 2023 · 8fa8599 · 8fa8599
1 parent 94e6578
commit 8fa8599
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/phases/common/LoweringPhase.java b/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/phases/common/LoweringPhase.java
@@ -117,6 +117,8 @@ public static class Options {
         //@formatter:off
         @Option(help = "Print schedule result pre lowering to TTY.", type = OptionType.Expert)
         public static final OptionKey<Boolean> PrintLoweringScheduleToTTY = new OptionKey<>(false);
+        @Option(help = "Dump lowering after every node to igv.", type = OptionType.Expert)
+        public static final OptionKey<Boolean> DumpAfterEveryLowering = new OptionKey<>(false);
         //@formatter:on
     }
 
@@ -584,7 +586,6 @@ public void postprocess() {
 
     @SuppressWarnings("try")
     private AnchoringNode process(CoreProviders context, final HIRBlock b, final NodeBitMap activeGuards, final AnchoringNode startAnchor, ScheduleResult schedule) {
-
         FixedWithNextNode lastFixedNode = b.getBeginNode();
         if (b.getBeginNode() instanceof LoopExitNode) {
             /**
@@ -693,6 +694,9 @@ private AnchoringNode process(CoreProviders context, final HIRBlock b, final Nod
                 }
                 loweringTool.setLastFixedNode((FixedWithNextNode) nextLastFixed);
             }
+            if (Options.DumpAfterEveryLowering.getValue(debug.getOptions())) {
+                debug.dump(DebugContext.VERY_DETAILED_LEVEL, b.getBeginNode().graph(), "After lowering %s", node);
+            }
         }
         return loweringTool.getCurrentGuardAnchor();
     }