llvm/test/FrontendC/2009-09-24-SqrtErrno.c
Dale Johannesen 2bbcd33feb Reenable sqrt IR generation test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82731 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-24 23:37:40 +00:00

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C

// 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);
}