[llvm-commits] CVS: llvm-java/runtime/runtime.ll

[Alkis Evlogimenos]

Changes in directory llvm-java/runtime:

runtime.ll updated: 1.5 -> 1.6
---
Log message:

Implement instanceof and checkcast bytecodes.


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Diffs of the changes:  (+30 -1)

Index: llvm-java/runtime/runtime.ll
diff -u llvm-java/runtime/runtime.ll:1.5 llvm-java/runtime/runtime.ll:1.6
--- llvm-java/runtime/runtime.ll:1.5	Thu Aug  5 13:22:43 2004
+++ llvm-java/runtime/runtime.ll	Sat Aug 14 03:58:06 2004
@@ -1,12 +1,41 @@
 "<llvm_java_base>" = type "<llvm_java_vtable_base>"*
 "<llvm_java_vtable_base>" = type { "<llvm_java_type_info>" }
-"<llvm_java_type_info>" = type { }
+"<llvm_java_type_info>" = type { "<llvm_java_vtable_base>"* }
 
 implementation
 
 declare void %llvm_java_static_init()
 declare void %llvm_java_main(int, sbyte**)
 
+int "<llvm_java_issubclass>"("<llvm_java_vtable_base>"* %self,
+                             "<llvm_java_vtable_base>"* %class) {
+      %eq = seteq "<llvm_java_vtable_base>"* %self, %class
+      br bool %eq, label %isEqual, label %isNotEqual
+isEqual:
+      ret int 1
+isNotEqual:
+      %superPtr = getelementptr "<llvm_java_vtable_base>"* %self, uint 0, uint 0, uint 0
+      %super = load "<llvm_java_vtable_base>"** %superPtr
+      %nu = seteq "<llvm_java_vtable_base>"* %self, null
+      br bool %nu, label %isNull, label %isNotNull
+isNull:
+      ret int 0
+isNotNull:
+      %res = call int("<llvm_java_vtable_base>"*,"<llvm_java_vtable_base>"*)* "<llvm_java_issubclass>"("<llvm_java_vtable_base>"* %super, "<llvm_java_vtable_base>"* %class)
+      ret int %res
+}
+
+int "<llvm_java_instanceof>"("<llvm_java_vtable_base>"* %self,
+                             "<llvm_java_vtable_base>"* %class) {
+       %c = seteq "<llvm_java_vtable_base>"* %self, null
+       br bool %c, label %isNull, label %isNotNull
+isNull:
+       ret int 0
+isNotNull:
+       %res = call int("<llvm_java_vtable_base>"*,"<llvm_java_vtable_base>"*)* "<llvm_java_issubclass>"("<llvm_java_vtable_base>"* %self, "<llvm_java_vtable_base>"* %class)
+      ret int %res
+}
+
 int %main(int %argc, sbyte** %argv) {
 entry:
         call void %llvm_java_static_init()