| // RUN: %clang_cc1 -fmath-errno -triple x86_64-apple-darwin %s -emit-llvm -o - | FileCheck %s --check-prefix=HAS_ERRNO |
| // RUN: %clang_cc1 -triple x86_64-apple-darwin %s -emit-llvm -o - | FileCheck %s --check-prefix=NO_ERRNO |
| |
| // FIXME: If a builtin is supposed to have identical semantics to its libm twin, then it |
| // should not be marked "constant" in Builtins.def because that means it can't set errno. |
| // Note that both runs have 'readnone' on the libcall here. |
| |
| float foo(float X) { |
| // HAS_ERRNO: call float @sqrtf(float |
| // NO_ERRNO: call float @sqrtf(float |
| return __builtin_sqrtf(X); |
| } |
| |
| // HAS_ERRNO: declare float @sqrtf(float) [[ATTR:#[0-9]+]] |
| // HAS_ERRNO: attributes [[ATTR]] = { nounwind readnone {{.*}}} |
| |
| // NO_ERRNO: declare float @sqrtf(float) [[ATTR:#[0-9]+]] |
| // NO_ERRNO: attributes [[ATTR]] = { nounwind readnone {{.*}}} |
| |
