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      1 // RUN: %llvmgcc %s -S -o - -fno-math-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: sqrtf(float %1) nounwind readonly
      9   // Check that this is marked readonly when errno is ignored.
     10   return sqrtf(X);
     11 }
     12