From 5470e677eef64d0c7cf07953927e9591e0615b80 Mon Sep 17 00:00:00 2001 From: David Tweed Date: Mon, 18 Mar 2013 12:07:24 +0000 Subject: [PATCH] Initially forgotten-to-svn-add test case for r177279. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177280 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/EarlyCSE/floatingpoint.ll | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 test/Transforms/EarlyCSE/floatingpoint.ll diff --git a/test/Transforms/EarlyCSE/floatingpoint.ll b/test/Transforms/EarlyCSE/floatingpoint.ll new file mode 100644 index 00000000000..2abecd74b63 --- /dev/null +++ b/test/Transforms/EarlyCSE/floatingpoint.ll @@ -0,0 +1,14 @@ +; RUN: opt < %s -S -early-cse | FileCheck %s + +; Ensure we don't simplify away additions vectors of +0.0's (same as scalars). +define <4 x float> @fV( <4 x float> %a) { + ; CHECK: %b = fadd <4 x float> %a, zeroinitializer + %b = fadd <4 x float> %a, + ret <4 x float> %b +} + +define <4 x float> @fW( <4 x float> %a) { + ; CHECK: ret <4 x float> %a + %b = fadd <4 x float> %a, + ret <4 x float> %b +} -- 2.34.1