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