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// RUN: %clang_cc1 -triple x86_64-apple-darwin %s -emit-llvm -o - -fmath-errno | FileCheck %s
// llvm.sqrt has undefined behavior on negative inputs, so it is
// inappropriate to translate C/C++ sqrt to this.
float sqrtf(float x);
float foo(float X) {
// CHECK: foo
// CHECK-NOT: readonly
// CHECK: call float @sqrtf
// Check that this is not marked readonly when errno is used.
return sqrtf(X);
}
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