1 ; RUN: llc < %s -mtriple x86_64-unknown-unknown | FileCheck %s 2 3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4 5 ; PR23246 6 ; We're really only interested in doing something sane with the shuffle. 7 8 ; CHECK-LABEL: test: 9 ; CHECK: movq2dq %mm0, %xmm0 10 ; CHECK-NEXT: pshufd {{.*}} xmm0 = xmm0[0,1,0,1] 11 ; CHECK-NEXT: retq 12 define <2 x i64> @test(x86_mmx %a) #0 { 13 entry: 14 %b = bitcast x86_mmx %a to <1 x i64> 15 %s = shufflevector <1 x i64> %b, <1 x i64> undef, <2 x i32> <i32 undef, i32 0> 16 ret <2 x i64> %s 17 } 18 19 attributes #0 = { nounwind } 20
