Dale Johannesen | f47ed3b | 2009-09-24 23:37:40 +0000 | [diff] [blame] | 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 | } |