1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-01 16:33:37 +01:00
llvm-mirror/test/FrontendC/2009-09-24-SqrtErrno.c

13 lines
350 B
C
Raw Normal View History

// 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);
}