[llvm-commits] CVS: llvm/test/Regression/LLC/globalrefs.c

[Vikram Adve]

Changes in directory llvm/test/Regression/LLC:

globalrefs.c updated: 1.1 -> 1.2

---
Log message:

Added inline constant expressions, including uses in binary subtract.


---
Diffs of the changes:

Index: llvm/test/Regression/LLC/globalrefs.c
diff -u llvm/test/Regression/LLC/globalrefs.c:1.1 llvm/test/Regression/LLC/globalrefs.c:1.2
--- llvm/test/Regression/LLC/globalrefs.c:1.1	Fri Sep 27 08:27:14 2002
+++ llvm/test/Regression/LLC/globalrefs.c	Sat Oct 12 18:47:36 2002
@@ -1,5 +1,6 @@
-/* globalrefs.c - Test constant expressions constructed from global
- * addresses and index expressions into global addresses.
+/* globalrefs.c - Test symbolic constant expressions constructed from
+ * global addresses and index expressions into global addresses.
+ * Do this both with global constants and with inline constant.
  * Instead of printing absolute addresses, print out the differences in
  * memory addresses to get output that matches that of the native compiler.
  */
@@ -18,23 +19,51 @@
 struct test  TestArray[10];
 struct test  Test1;
 
-struct test* TestArrayPtr = TestArray; 
+/* Create global symbolic constants from the addresses of the above globals */
+
+struct test* TestArrayPtr = &TestArray[3]; 
 long*        Aptr         = &Test1.A;
-unsigned*    Xptr         = &Test1.S.X;
+unsigned*    Yptr         = &Test1.S.Y;
+struct test** NextPtr     = &Test1.next;
+
+void
+printdiff(void* p1, void* p2)
+{
+  printf(" 0x%lx", (unsigned long) p1 - (unsigned long) p2);
+}
 
 int
 main(int argc, char** argv)
 {
-  void* a1 = (void*) TestArrayPtr;
-  void* a2 = (void*) Aptr;
-  void* a3 = (void*) Xptr;
-
-#ifdef WANT_ABSOLUTE_ADDRESSES
-  printf("Aptr = 0x%lx, Xptr = 0x%lx, TestArrayPtr = 0x%lx\n",
-         Aptr, Xptr, TestArrayPtr);
-#endif
+  unsigned long diff1, diff2, diff3, diff4; 
+
+  printf("sizeof(struct Test) = %llu\n\n", sizeof(struct test));
+
+  printdiff(&TestArray[3], TestArray);
+  printdiff(&Test1.A, &TestArray[3]);
+  printdiff(&Test1.S.Y, &Test1.A);
+  printdiff(&Test1.next, &Test1.S.Y);
+  printf("\n");
+
+  diff1 = (unsigned long) &TestArray[3] - (unsigned long) TestArray;
+  diff2 = (unsigned long) &Test1.A - (unsigned long) &TestArray[3];
+  diff3 = (unsigned long) &Test1.S.Y - (unsigned long) &Test1.A;
+  diff4 = (unsigned long) &Test1.next - (unsigned long) &Test1.S.Y;
+
+  printf("&TestArray[3] - TestArray = 0x%lx\n", diff1);
+  printf("Aptr - &TestArray[3] = 0x%lx\n", diff2);
+  printf("Xptr - Aptr          = 0x%lx\n", diff3);
+  printf("NextPtr - Xptr       = 0x%lx\n\n", diff4);
+
+  diff1 = (unsigned long) TestArrayPtr - (unsigned long) TestArray;
+  diff2 = (unsigned long) Aptr - (unsigned long) TestArrayPtr;
+  diff3 = (unsigned long) Yptr - (unsigned long) Aptr;
+  diff4 = (unsigned long) NextPtr - (unsigned long) Yptr;
+
+  printf("&TestArray[3] - TestArray = 0x%lx\n", diff1);
+  printf("Aptr - &TestArray[3] = 0x%lx\n", diff2);
+  printf("Xptr - Aptr          = 0x%lx\n", diff3);
+  printf("NextPtr - Xptr       = 0x%lx\n\n", diff4);
 
-  printf("Aptr - TestArrayPtr = 0x%lx, Xptr - Aptr = 0x%lx\n",
-         (uint64_t) a2 - (uint64_t) a1, (uint64_t) a3 - (uint64_t) a2);
   return 0;
 }