; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {align 16} | count 1
; Instcombine should be able to prove vector alignment in the
; presence of a few mild address computation tricks.
define void @foo(i8* %b, i64 %n, i64 %u, i64 %y) nounwind {
entry:
%c = ptrtoint i8* %b to i64
%d = and i64 %c, -16
%e = inttoptr i64 %d to double*
%v = mul i64 %u, 2
%z = and i64 %y, -2
%t1421 = icmp eq i64 %n, 0
br i1 %t1421, label %return, label %bb
bb:
%i = phi i64 [ %indvar.next, %bb ], [ 20, %entry ]
%j = mul i64 %i, %v
%h = add i64 %j, %z
%t8 = getelementptr double* %e, i64 %h
%p = bitcast double* %t8 to <2 x double>*
store <2 x double><double 0.0, double 0.0>, <2 x double>* %p, align 8
%indvar.next = add i64 %i, 1
%exitcond = icmp eq i64 %indvar.next, %n
br i1 %exitcond, label %return, label %bb
return:
ret void
}