1; RUN: opt %loadPolly -polly-ignore-aliasing -polly-invariant-load-hoisting=true -polly-scops -polly-import-jscop -polly-codegen -analyze < %s | FileCheck %s
2;
3; This violated an assertion in setNewAccessRelation that assumed base pointers
4; to be load-hoisted. Without this assertion, it codegen would generate invalid
5; code.
6;
7target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
8
9define void @base_pointer_load_is_inst_inside_invariant_1(i64 %n, float** %A) {
10entry:
11  br label %for.i
12
13for.i:
14  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
15  br label %S1
16
17S1:
18  %ptr = load float*, float** %A
19  %conv = sitofp i64 %indvar.i to float
20  %arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
21  store float %conv, float* %arrayidx5, align 4
22  br label %for.i.inc
23
24for.i.inc:
25  %indvar.i.next = add i64 %indvar.i, 1
26  %exitcond.i = icmp ne i64 %indvar.i.next, %n
27  br i1 %exitcond.i, label %for.i, label %exit
28
29exit:
30  ret void
31}
32
33
34; Detected by -polly-detect with required load hoist.
35; CHECK-NOT: Valid Region for Scop: for.i => exit
36;
37; Load hoist if %ptr by -polly-scops.
38; CHECK:      Invariant Accesses: {
39; CHECK-NEXT:     ReadAccess :=       [Reduction Type: NONE] [Scalar: 0]
40; CHECK-NEXT:         [n] -> { Stmt_S1[i0] -> MemRef_A[0] };
41; CHECK-NEXT:     Execution Context: [n] -> {  : n > 0 }
42; CHECK-NEXT: }
43