| Nuno Lopes | 060ddb0 | 2012-05-09 21:21:49 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin %s -emit-llvm -o - -fmath-errno | FileCheck %s |
| Eric Christopher | e6f7536 | 2011-07-26 20:31:17 +0000 | [diff] [blame] | 2 | // llvm.sqrt has undefined behavior on negative inputs, so it is |
| 3 | // inappropriate to translate C/C++ sqrt to this. |
| 4 | |
| 5 | float sqrtf(float x); |
| 6 | float foo(float X) { |
| 7 | // CHECK: foo |
| 8 | // CHECK-NOT: readonly |
| 9 | // CHECK: call float @sqrtf |
| 10 | // Check that this is not marked readonly when errno is used. |
| 11 | return sqrtf(X); |
| 12 | } |