1 ; RUN: opt < %s -instcombine -S | grep {align 16} | count 1
2 target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
4 ; Instcombine should be able to prove vector alignment in the
5 ; presence of a few mild address computation tricks.
7 define void @foo(i8* %b, i64 %n, i64 %u, i64 %y) nounwind {
9 %c = ptrtoint i8* %b to i64
11 %e = inttoptr i64 %d to double*
14 %t1421 = icmp eq i64 %n, 0
15 br i1 %t1421, label %return, label %bb
18 %i = phi i64 [ %indvar.next, %bb ], [ 20, %entry ]
21 %t8 = getelementptr double* %e, i64 %h
22 %p = bitcast double* %t8 to <2 x double>*
23 store <2 x double><double 0.0, double 0.0>, <2 x double>* %p, align 8
24 %indvar.next = add i64 %i, 1
25 %exitcond = icmp eq i64 %indvar.next, %n
26 br i1 %exitcond, label %return, label %bb