| ; RUN: opt < %s -instcombine -S | grep {align 16} | count 1 |
| 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" |
| |
| ; 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 |
| } |
| |