llvm-project/compiler-rt/test/profile/Inputs/instrprof-alloc.c

42 lines
851 B
C

/* This test case tests that when static allocation for value
* profiler is on, no malloc/calloc calls will be invoked by
* profile runtime library. */
#include <stdlib.h>
__attribute__((noinline)) void foo() {}
__attribute__((noinline)) void foo2() {}
void (*FP)();
int MainEntered = 0;
int CallocCalled = 0;
int MallocCalled = 0;
extern void *__real_calloc(size_t s, size_t n);
extern void *__real_malloc(size_t s);
void *__wrap_calloc(size_t s, size_t n) {
if (MainEntered)
CallocCalled = 1;
return __real_calloc(s, n);
}
void *__wrap_malloc(size_t s) {
if (MainEntered)
MallocCalled = 1;
return __real_malloc(s);
}
void getFP(int i) {
if (i % 2)
FP = foo;
else
FP = foo2;
}
int main() {
int i;
MainEntered = 1;
for (i = 0; i < 100; i++) {
getFP(i);
FP();
}
return CallocCalled + MallocCalled;
}