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/* { dg-options "--param=tsan-distinguish-volatile=1 -fdump-tree-optimized" } */
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
int32_t Global4;
volatile int32_t VolatileGlobal4;
volatile int64_t VolatileGlobal8;
static int nvolatile_reads;
static int nvolatile_writes;
#ifdef __cplusplus
extern "C" {
#endif
__attribute__((no_sanitize_thread))
void __tsan_volatile_read4(void *addr) {
assert(addr == &VolatileGlobal4);
nvolatile_reads++;
}
__attribute__((no_sanitize_thread))
void __tsan_volatile_write4(void *addr) {
assert(addr == &VolatileGlobal4);
nvolatile_writes++;
}
__attribute__((no_sanitize_thread))
void __tsan_volatile_read8(void *addr) {
assert(addr == &VolatileGlobal8);
nvolatile_reads++;
}
__attribute__((no_sanitize_thread))
void __tsan_volatile_write8(void *addr) {
assert(addr == &VolatileGlobal8);
nvolatile_writes++;
}
#ifdef __cplusplus
}
#endif
__attribute__((no_sanitize_thread))
static void check() {
assert(nvolatile_reads == 4);
assert(nvolatile_writes == 4);
}
int main() {
Global4 = 1;
VolatileGlobal4 = 1;
Global4 = VolatileGlobal4;
VolatileGlobal4 = 1 + VolatileGlobal4;
VolatileGlobal8 = 1;
Global4 = (int32_t)VolatileGlobal8;
VolatileGlobal8 = 1 + VolatileGlobal8;
check();
return 0;
}
// { dg-final { scan-tree-dump-times "__tsan_volatile_read4 \\(&VolatileGlobal4" 2 "optimized" } }
// { dg-final { scan-tree-dump-times "__tsan_volatile_read8 \\(&VolatileGlobal8" 2 "optimized" } }
// { dg-final { scan-tree-dump-times "__tsan_volatile_write4 \\(&VolatileGlobal4" 2 "optimized" } }
// { dg-final { scan-tree-dump-times "__tsan_volatile_write8 \\(&VolatileGlobal8" 2 "optimized" } }
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