1 ; RUN: llc < %s -march=x86-64 2 ; PR4669 3 declare x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx, i32) 4 5 define <1 x i64> @test(i64 %t) { 6 entry: 7 %t1 = insertelement <1 x i64> undef, i64 %t, i32 0 8 %t0 = bitcast <1 x i64> %t1 to x86_mmx 9 %t2 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %t0, i32 48) 10 %t3 = bitcast x86_mmx %t2 to <1 x i64> 11 ret <1 x i64> %t3 12 } 13