| // RUN: %clang -target i386-unknown-unknown -fthread-sanitizer %s -S -emit-llvm -o - | FileCheck %s |
| // RUN: %clang -O1 -target i386-unknown-unknown -fthread-sanitizer %s -S -emit-llvm -o - | FileCheck %s |
| // RUN: %clang -O2 -target i386-unknown-unknown -fthread-sanitizer %s -S -emit-llvm -o - | FileCheck %s |
| // RUN: %clang -O3 -target i386-unknown-unknown -fthread-sanitizer %s -S -emit-llvm -o - | FileCheck %s |
| // Verify that -fthread-sanitizer invokes tsan instrumentation. |
| |
| int foo(int *a) { return *a; } |
| // CHECK: __tsan_init |
