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Simple test for constant expressions constructed from global addresses.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3956 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2002-09-27 13:27:14 +00:00
parent 3c94e48722
commit 6ec010a680
1 changed files with 40 additions and 0 deletions
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test/LLC/globalrefs.c Normal file
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/* globalrefs.c - Test constant expressions constructed from global
* addresses and index expressions into global addresses.
* Instead of printing absolute addresses, print out the differences in
* memory addresses to get output that matches that of the native compiler.
*/
#include <stdio.h>
#define __STDC_LIMIT_MACROS 1
#include <inttypes.h>
struct test {
long A;
struct { unsigned X; unsigned Y; } S;
struct test* next;
};
struct test TestArray[10];
struct test Test1;
struct test* TestArrayPtr = TestArray;
long* Aptr = &Test1.A;
unsigned* Xptr = &Test1.S.X;
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
printf("Aptr - TestArrayPtr = 0x%lx, Xptr - Aptr = 0x%lx\n",
(uint64_t) a2 - (uint64_t) a1, (uint64_t) a3 - (uint64_t) a2);
return 0;
}