From 846ce8ea67362d8b6d93ebae66f23e3c68dce9df Mon Sep 17 00:00:00 2001 From: Eli Friedman Date: Thu, 15 Nov 2012 22:44:27 +0000 Subject: Mark FP_ROUND for converting NEON v2f64 to v2f32 as expand. Add a missing case to vector legalization so this actually works. Patch by Pete Couperus. Fixes PR12540. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168107 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/ARM/neon_fpconv.ll | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 test/CodeGen/ARM/neon_fpconv.ll (limited to 'test/CodeGen/ARM') diff --git a/test/CodeGen/ARM/neon_fpconv.ll b/test/CodeGen/ARM/neon_fpconv.ll new file mode 100644 index 0000000..f80ea3e --- /dev/null +++ b/test/CodeGen/ARM/neon_fpconv.ll @@ -0,0 +1,9 @@ +; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s + +; PR12540: ARM backend lowering of FP_ROUND v2f64 to v2f32. +define <2 x float> @vtrunc(<2 x double> %a) { +; CHECK: vcvt.f32.f64 [[S0:s[0-9]+]], [[D0:d[0-9]+]] +; CHECK: vcvt.f32.f64 [[S1:s[0-9]+]], [[D1:d[0-9]+]] + %vt = fptrunc <2 x double> %a to <2 x float> + ret <2 x float> %vt +} -- cgit v1.1