1 // RUN: %llvmgcc %s -S -o - -fmath-errno | FileCheck %s 2 // llvm.sqrt has undefined behavior on negative inputs, so it is 3 // inappropriate to translate C/C++ sqrt to this. 4 #include <math.h> 5 6 float foo(float X) { 7 // CHECK: foo 8 // CHECK-NOT: readonly 9 // CHECK: return 10 // Check that this is not marked readonly when errno is used. 11 return sqrtf(X); 12 } 13