llvm-project/clang/test/Driver/tsan.c

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