graph util: doc switches

davleopo · davleopo · commit 4356dbe9e3b3 · 2025-07-03T16:49:28.000+02:00
diff --git a/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/nodes/util/GraphUtil.java b/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/nodes/util/GraphUtil.java
@@ -1474,11 +1474,11 @@ public static boolean assertIsConstant(ValueNode n) {
      * successor statements.
      *
      * An example would be case statements of a Switch. The illustrative example below is for a
-     * switch control split node.
+     * switch control split node. However, we perform the same transformation also for if nodes.
      *
      * <p>
-     * This transformation is only applied to patterns where the same code is executed after each
-     * case, such as the following example:
+     * This transformation is only applied to patterns where the same code prefix is executed after
+     * each case, such as the following example:
      *
      * <pre>
      * public static int switchReducePattern(int a) {

Original file line number	Diff line number	Diff line change
`@@ -1474,11 +1474,11 @@ public static boolean assertIsConstant(ValueNode n) {`
`1474`	`1474`	`* successor statements.`
`1475`	`1475`	`*`
`1476`	`1476`	`* An example would be case statements of a Switch. The illustrative example below is for a`
`1477`		`- * switch control split node.`
	`1477`	`+ * switch control split node. However, we perform the same transformation also for if nodes.`
`1478`	`1478`	`*`
`1479`	`1479`	`* <p>`
`1480`		`- * This transformation is only applied to patterns where the same code is executed after each`
`1481`		`- * case, such as the following example:`
	`1480`	`+ * This transformation is only applied to patterns where the same code prefix is executed after`
	`1481`	`+ * each case, such as the following example:`
`1482`	`1482`	`*`
`1483`	`1483`	`* <pre>`
`1484`	`1484`	`* public static int switchReducePattern(int a) {`