From b8f0d89d0584e37e205c04ed5753f57a23365403 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sun, 31 Mar 2013 12:49:15 +0000
Subject: X86: Promote sitofp <8 x i16> to <8 x i32> when AVX is available.

A vector sext + sitofp is a lot cheaper than 8 scalar conversions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178448 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/avx-cvt.ll | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test/CodeGen/X86')

diff --git a/test/CodeGen/X86/avx-cvt.ll b/test/CodeGen/X86/avx-cvt.ll
index 62bdea2b49..22fad7ce4b 100644
--- a/test/CodeGen/X86/avx-cvt.ll
+++ b/test/CodeGen/X86/avx-cvt.ll
@@ -18,6 +18,12 @@ define <4 x double> @sitofp01(<4 x i32> %a) {
   ret <4 x double> %b
 }
 
+; CHECK: vcvtdq2ps %ymm
+define <8 x float> @sitofp02(<8 x i16> %a) {
+  %b = sitofp <8 x i16> %a to <8 x float>
+  ret <8 x float> %b
+}
+
 ; CHECK: vcvttpd2dqy %ymm
 define <4 x i32> @fptosi01(<4 x double> %a) {
   %b = fptosi <4 x double> %a to <4 x i32>
-- 
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