aboutsummaryrefslogtreecommitdiff
path: root/test/FrontendC/2009-09-24-SqrtErrno.c
blob: 09fc8764ea51996c44567ffcda78652e81f7f1e3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
// RUN: %llvmgcc %s -S -o - -fmath-errno | FileCheck %s
// llvm.sqrt has undefined behavior on negative inputs, so it is
// inappropriate to translate C/C++ sqrt to this.
#include <math.h>

float foo(float X) {
// CHECK: foo
// CHECK-NOT: readonly
// CHECK: return
  // Check that this is not marked readonly when errno is used.
  return sqrtf(X);
}