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