1; RUN: llc < %s -march=x86-64 -mattr=+mmx,+sse2 | grep movq | count 2 2; There are no MMX operations here; this is promoted to XMM. 3 4define void @foo(<1 x i64>* %a, <1 x i64>* %b) nounwind { 5entry: 6 %0 = load <1 x i64>* %a, align 8 ; <<1 x i64>> [#uses=1] 7 %1 = bitcast <1 x i64> %0 to <2 x i32> ; <<2 x i32>> [#uses=1] 8 %2 = and <2 x i32> %1, < i32 -1, i32 0 > ; <<2 x i32>> [#uses=1] 9 %3 = bitcast <2 x i32> %2 to <1 x i64> ; <<1 x i64>> [#uses=1] 10 store <1 x i64> %3, <1 x i64>* %b, align 8 11 br label %bb2 12 13bb2: ; preds = %entry 14 ret void 15} 16