1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple x86_64-unknown-unknown -mattr=mmx | FileCheck %s 3 4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 5 6; PR23246 7; We're really only interested in doing something sane with the shuffle. 8 9define <2 x i64> @test(x86_mmx %a) #0 { 10; CHECK-LABEL: test: 11; CHECK: # %bb.0: # %entry 12; CHECK-NEXT: movq2dq %mm0, %xmm0 13; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1] 14; CHECK-NEXT: retq 15entry: 16 %b = bitcast x86_mmx %a to <1 x i64> 17 %s = shufflevector <1 x i64> %b, <1 x i64> undef, <2 x i32> <i32 undef, i32 0> 18 ret <2 x i64> %s 19} 20 21attributes #0 = { nounwind } 22