xref: /llvm-project/polly/test/ScopInfo/int2ptr_ptr2int.ll (revision 4b3a878e8a24c13f8dc435e91304d8692d8cb42b)
1; RUN: opt %loadNPMPolly '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s
2; RUN: opt %loadNPMPolly -S -passes=polly-codegen < %s 2>&1 | FileCheck %s --check-prefix=IR
3;
4;    void f(long *A, long *ptr, long val) {
5;      for (long i = 0; i < 100; i++) {
6;        long ptrV = ((long)(ptr + 1)) + 1;
7;        long valP = (long)(((long *)(val + 1)) + 1);
8;        A[ptrV] += A[valP];
9;      }
10;    }
11;
12; CHECK:        ReadAccess :=	[Reduction Type: NONE] [Scalar: 0]
13; CHECK-NEXT:       [val, ptr] -> { Stmt_for_body[i0] -> MemRef_A[9 + val] };
14; CHECK-NEXT:   ReadAccess :=	[Reduction Type: NONE] [Scalar: 0]
15; CHECK-NEXT:       [val, ptr] -> { Stmt_for_body[i0] -> MemRef_A[9 + ptr] };
16; CHECK-NEXT:   MustWriteAccess :=	[Reduction Type: NONE] [Scalar: 0]
17; CHECK-NEXT:       [val, ptr] -> { Stmt_for_body[i0] -> MemRef_A[9 + ptr] };
18;
19; IR:      entry:
20; IR-NEXT:   %ptr1 = ptrtoint ptr %ptr to i32
21;
22; IR:      polly.stmt.for.body:
23; IR-NEXT:   %p_tmp1 = inttoptr i64 %14 to ptr
24; IR-NEXT:   %p_add.ptr2 = getelementptr inbounds i64, ptr %p_tmp1, i64 1
25; IR-NEXT:   %p_tmp2 = ptrtoint ptr %p_add.ptr2 to i64
26; IR-NEXT:   %p_arrayidx = getelementptr inbounds i64, ptr %A, i64 %p_tmp2
27; IR-NEXT:   %tmp3_p_scalar_ = load i64, ptr %p_arrayidx, align 8, !alias.scope !2, !noalias !5
28; IR-NEXT:   %tmp4_p_scalar_ = load i64, ptr %scevgep, align 8, !alias.scope !2, !noalias !5
29; IR-NEXT:   %p_add4 = add nsw i64 %tmp4_p_scalar_, %tmp3_p_scalar_
30; IR-NEXT:   store i64 %p_add4, ptr %scevgep, align 8, !alias.scope !2, !noalias !5
31; IR-NEXT:   %polly.indvar_next = add nsw i64 %polly.indvar, 1
32; IR-NEXT:   %polly.loop_cond = icmp sle i64 %polly.indvar_next, 99
33; IR-NEXT:   br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
34;
35; IR:      polly.loop_preheader:
36; IR-NEXT:   %14 = add i64 %val, 1
37; IR-NEXT:   %15 = shl i32 %ptr1, 3
38; IR-NEXT:   %16 = add i32 %15, 72
39; IR-NEXT:   %scevgep = getelementptr i8, ptr %A, i32 %16
40; IR-NEXT:   br label %polly.loop_header
41
42;
43target datalayout = "e-p:32:32:32-m:e-i64:64-f80:128-n8:16:32:64-S128"
44
45define void @f(ptr %A, ptr %ptr, i64 %val) {
46entry:
47  br label %for.cond
48
49for.cond:                                         ; preds = %for.inc, %entry
50  %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
51  %exitcond = icmp ne i64 %i.0, 100
52  br i1 %exitcond, label %for.body, label %for.end
53
54for.body:                                         ; preds = %for.cond
55  %add.ptr = getelementptr inbounds i64, ptr %ptr, i64 1
56  %tmp = ptrtoint ptr %add.ptr to i64
57  %add = add nsw i64 %tmp, 1
58  %add1 = add nsw i64 %val, 1
59  %tmp1 = inttoptr i64 %add1 to ptr
60  %add.ptr2 = getelementptr inbounds i64, ptr %tmp1, i64 1
61  %tmp2 = ptrtoint ptr %add.ptr2 to i64
62  %arrayidx = getelementptr inbounds i64, ptr %A, i64 %tmp2
63  %tmp3 = load i64, ptr %arrayidx
64  %arrayidx3 = getelementptr inbounds i64, ptr %A, i64 %add
65  %tmp4 = load i64, ptr %arrayidx3
66  %add4 = add nsw i64 %tmp4, %tmp3
67  store i64 %add4, ptr %arrayidx3
68  br label %for.inc
69
70for.inc:                                          ; preds = %for.body
71  %inc = add nuw nsw i64 %i.0, 1
72  br label %for.cond
73
74for.end:                                          ; preds = %for.cond
75  ret void
76}
77