| Eric Christopher | e6f7536 | 2011-07-26 20:31:17 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -emit-llvm -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 | |||||
| 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 | } | ||||