|  | ; RUN: llc -mcpu=nehalem -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s | 
|  | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" | 
|  | target triple = "x86_64-unknown-linux-gnu" | 
|  |  | 
|  | declare void @use(<2 x double>) | 
|  |  | 
|  | ; CHECK-LABEL: @test | 
|  | ; CHECK: callq round | 
|  |  | 
|  | ; Function Attrs: nounwind uwtable | 
|  | define void @test() { | 
|  | entry: | 
|  | %tmp = call <2 x double> @llvm.round.v2f64(<2 x double> undef) | 
|  | call void @use(<2 x double> %tmp) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readonly | 
|  | declare <2 x double> @llvm.round.v2f64(<2 x double>) #0 | 
|  |  | 
|  | attributes #0 = { nounwind readonly } | 
|  |  |