1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -loop-vectorize -force-vector-width=2 -opaque-pointers < %s | FileCheck %s
3
4; TODO: This still crashes with inbounds on the GEPs.
5define void @test(ptr %p1.start, ptr %p2.start, ptr %p1.end) {
6; CHECK-LABEL: @test(
7; CHECK-NEXT:  entry:
8; CHECK-NEXT:    br label [[LOOP:%.*]]
9; CHECK:       loop:
10; CHECK-NEXT:    [[P1:%.*]] = phi ptr [ [[P1_START:%.*]], [[ENTRY:%.*]] ], [ [[P1_NEXT:%.*]], [[LOOP]] ]
11; CHECK-NEXT:    [[P2:%.*]] = phi ptr [ [[P2_START:%.*]], [[ENTRY]] ], [ [[P2_NEXT:%.*]], [[LOOP]] ]
12; CHECK-NEXT:    [[P1_VAL:%.*]] = load float, ptr [[P1]], align 4
13; CHECK-NEXT:    [[P2_VAL:%.*]] = load float, ptr [[P2]], align 4
14; CHECK-NEXT:    [[SUM:%.*]] = fadd float [[P1_VAL]], [[P2_VAL]]
15; CHECK-NEXT:    store float [[SUM]], ptr [[P1]], align 4
16; CHECK-NEXT:    [[P1_NEXT]] = getelementptr float, ptr [[P1]], i64 1
17; CHECK-NEXT:    [[P2_NEXT]] = getelementptr float, ptr [[P2]], i64 1
18; CHECK-NEXT:    [[C:%.*]] = icmp ne ptr [[P1_NEXT]], [[P1_END:%.*]]
19; CHECK-NEXT:    br i1 [[C]], label [[LOOP]], label [[EXIT:%.*]]
20; CHECK:       exit:
21; CHECK-NEXT:    ret void
22;
23entry:
24  br label %loop
25
26loop:
27  %p1 = phi ptr [ %p1.start, %entry ], [ %p1.next, %loop ]
28  %p2 = phi ptr [ %p2.start, %entry ], [ %p2.next, %loop ]
29  %p1.val = load float, ptr %p1
30  %p2.val = load float, ptr %p2
31  %sum = fadd float %p1.val, %p2.val
32  store float %sum, ptr %p1
33  %p1.next = getelementptr float, ptr %p1, i64 1
34  %p2.next = getelementptr float, ptr %p2, i64 1
35  %c = icmp ne ptr %p1.next, %p1.end
36  br i1 %c, label %loop, label %exit
37
38exit:
39  ret void
40}
41