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