; RUN: llc < %s -march=x86-64 > %t ; RUN: grep movb %t | count 1 ; RUN: grep "movzb[wl]" %t define void @handle_vector_size_attribute() nounwind { entry: %tmp69 = load i32, i32* null ; [#uses=1] switch i32 %tmp69, label %bb84 [ i32 2, label %bb77 i32 1, label %bb77 ] bb77: ; preds = %entry, %entry %tmp99 = udiv i64 0, 0 ; [#uses=1] %tmp = load i8, i8* null ; [#uses=1] %tmp114 = icmp eq i64 0, 0 ; [#uses=1] br label %cond_true115 bb84: ; preds = %entry ret void cond_true115: ; preds = %bb77 %tmp118 = load i8, i8* null ; [#uses=1] br label %cond_true120 cond_true120: ; preds = %cond_true115 %tmp127 = udiv i8 %tmp, %tmp118 ; [#uses=1] %tmp127.upgrd.1 = zext i8 %tmp127 to i64 ; [#uses=1] br label %cond_next129 cond_next129: ; preds = %cond_true120, %cond_true115 %iftmp.30.0 = phi i64 [ %tmp127.upgrd.1, %cond_true120 ] ; [#uses=1] %tmp132 = icmp eq i64 %iftmp.30.0, %tmp99 ; [#uses=1] br i1 %tmp132, label %cond_false148, label %cond_next136 cond_next136: ; preds = %cond_next129, %bb77 ret void cond_false148: ; preds = %cond_next129 ret void }