b38f1ca2d5
This patch starts passing architecture information about a module to llvm-symbolizer and into text reports. This fixes the longstanding x86_64/x86_64h mismatch issue on Darwin. Differential Revision: https://reviews.llvm.org/D27390 llvm-svn: 291287
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
// RUN: %clangxx_tsan -O1 %s -o %T/simple_stack2.cc.exe && %deflake %run %T/simple_stack2.cc.exe | FileCheck %s
|
|
#include "test.h"
|
|
|
|
int Global;
|
|
|
|
void __attribute__((noinline)) foo1() {
|
|
Global = 42;
|
|
}
|
|
|
|
void __attribute__((noinline)) bar1() {
|
|
volatile int tmp = 42;
|
|
int tmp2 = tmp;
|
|
(void)tmp2;
|
|
foo1();
|
|
}
|
|
|
|
void __attribute__((noinline)) foo2() {
|
|
volatile int tmp = Global;
|
|
int tmp2 = tmp;
|
|
(void)tmp2;
|
|
}
|
|
|
|
void __attribute__((noinline)) bar2() {
|
|
volatile int tmp = 42;
|
|
int tmp2 = tmp;
|
|
(void)tmp2;
|
|
foo2();
|
|
}
|
|
|
|
void *Thread1(void *x) {
|
|
barrier_wait(&barrier);
|
|
bar1();
|
|
return NULL;
|
|
}
|
|
|
|
int main() {
|
|
barrier_init(&barrier, 2);
|
|
pthread_t t;
|
|
pthread_create(&t, NULL, Thread1, NULL);
|
|
bar2();
|
|
barrier_wait(&barrier);
|
|
pthread_join(t, NULL);
|
|
}
|
|
|
|
// CHECK: WARNING: ThreadSanitizer: data race
|
|
// CHECK-NEXT: Write of size 4 at {{.*}} by thread T1:
|
|
// CHECK-NEXT: #0 foo1{{.*}} {{.*}}simple_stack2.cc:7{{(:10)?}} ({{.*}})
|
|
// CHECK-NEXT: #1 bar1{{.*}} {{.*}}simple_stack2.cc:14{{(:3)?}} ({{.*}})
|
|
// CHECK-NEXT: #2 Thread1{{.*}} {{.*}}simple_stack2.cc:32{{(:3)?}} ({{.*}})
|
|
// CHECK: Previous read of size 4 at {{.*}} by main thread:
|
|
// CHECK-NEXT: #0 foo2{{.*}} {{.*}}simple_stack2.cc:18{{(:22)?}} ({{.*}})
|
|
// CHECK-NEXT: #1 bar2{{.*}} {{.*}}simple_stack2.cc:27{{(:3)?}} ({{.*}})
|
|
// CHECK-NEXT: #2 main{{.*}} {{.*}}simple_stack2.cc:40{{(:3)?}} ({{.*}})
|