From 47183e51c26bee385e53b5a09721455711a1effa Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 21 Jul 2005 01:09:27 +0000 Subject: [PATCH] If errno doesn't matter (e.g. in -ffast-math scenarios), sqrt* should be compiled to llvm.sqrt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22488 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CFrontend/2005-07-20-SqrtNoErrno.c | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 test/CFrontend/2005-07-20-SqrtNoErrno.c diff --git a/test/CFrontend/2005-07-20-SqrtNoErrno.c b/test/CFrontend/2005-07-20-SqrtNoErrno.c new file mode 100644 index 00000000000..fd976a67933 --- /dev/null +++ b/test/CFrontend/2005-07-20-SqrtNoErrno.c @@ -0,0 +1,7 @@ +// RUN: %llvmgcc %s -S -o - -fno-math-errno | gccas | llvm-dis | grep llvm.sqrt +#include + +float foo(float X) { + // Check that this compiles to llvm.sqrt when errno is ignored. + return sqrtf(X); +}