diff --git a/test/LLC/globalrefs.c b/test/LLC/globalrefs.c index 3e3cd0910dd..e33b97f9d67 100644 --- a/test/LLC/globalrefs.c +++ b/test/LLC/globalrefs.c @@ -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 { 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; + unsigned long diff1, diff2, diff3, diff4; -#ifdef WANT_ABSOLUTE_ADDRESSES - printf("Aptr = 0x%lx, Xptr = 0x%lx, TestArrayPtr = 0x%lx\n", - Aptr, Xptr, TestArrayPtr); -#endif + 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; }