From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/CodeGen/2009-09-24-SqrtErrno.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 clang/test/CodeGen/2009-09-24-SqrtErrno.c (limited to 'clang/test/CodeGen/2009-09-24-SqrtErrno.c') diff --git a/clang/test/CodeGen/2009-09-24-SqrtErrno.c b/clang/test/CodeGen/2009-09-24-SqrtErrno.c new file mode 100644 index 0000000..b4a04ff --- /dev/null +++ b/clang/test/CodeGen/2009-09-24-SqrtErrno.c @@ -0,0 +1,12 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - -fmath-errno | FileCheck %s +// llvm.sqrt has undefined behavior on negative inputs, so it is +// inappropriate to translate C/C++ sqrt to this. + +float sqrtf(float x); +float foo(float X) { +// CHECK: foo +// CHECK-NOT: readonly +// CHECK: call float @sqrtf + // Check that this is not marked readonly when errno is used. + return sqrtf(X); +} -- cgit v1.2.3