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// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
void foo(int x)
{
_Atomic(int) i = 0;
_Atomic(short) j = 0;
// Check that multiply / divides on atomics produce a cmpxchg loop
i *= 2;
// CHECK: mul nsw i32
// CHECK: cmpxchg i32*
i /= 2;
// CHECK: sdiv i32
// CHECK: cmpxchg i32*
j /= x;
// CHECK: sdiv i32
// CHECK: cmpxchg i16*
// These should be emitting atomicrmw instructions, but they aren't yet
i += 2; // CHECK: cmpxchg
i -= 2; // CHECK: cmpxchg
i++; // CHECK: cmpxchg
i--; // CHECK: cmpxchg
}
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