1 ; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -polly-model-phi-nodes -disable-polly-intra-scop-scalar-to-array -analyze < %s | FileCheck %s
3 ; int jd(int *restrict A, int x, int N) {
4 ; for (int i = 1; i < N; i++)
5 ; for (int j = 3; j < N; j++)
10 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
12 define i32 @jd(i32* noalias %A, i32 %x, i32 %N) {
14 %tmp = sext i32 %N to i64
17 for.cond: ; preds = %for.inc4, %entry
18 ; CHECK: Stmt_for_cond
19 ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
20 ; CHECK: [N] -> { Stmt_for_cond[i0] -> MemRef_x_addr_0[] };
21 ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
22 ; CHECK: [N] -> { Stmt_for_cond[i0] -> MemRef_x_addr_0[] };
23 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc4 ], [ 1, %entry ]
24 %x.addr.0 = phi i32 [ %x, %entry ], [ %x.addr.1.lcssa, %for.inc4 ]
25 %cmp = icmp slt i64 %indvars.iv, %tmp
26 br i1 %cmp, label %for.body, label %for.end6
28 for.body: ; preds = %for.cond
29 ; CHECK: Stmt_for_body
30 ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
31 ; CHECK: [N] -> { Stmt_for_body[i0] -> MemRef_x_addr_0[] };
32 ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
33 ; CHECK: [N] -> { Stmt_for_body[i0] -> MemRef_x_addr_1[] };
36 for.cond1: ; preds = %for.inc, %for.body
37 ; CHECK: Stmt_for_cond1
38 ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
39 ; CHECK: [N] -> { Stmt_for_cond1[i0, i1] -> MemRef_x_addr_1[] };
40 ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
41 ; CHECK: [N] -> { Stmt_for_cond1[i0, i1] -> MemRef_x_addr_1[] };
42 ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
43 ; CHECK: [N] -> { Stmt_for_cond1[i0, i1] -> MemRef_x_addr_1_lcssa[] };
44 %x.addr.1 = phi i32 [ %x.addr.0, %for.body ], [ %add, %for.inc ]
45 %j.0 = phi i32 [ 3, %for.body ], [ %inc, %for.inc ]
46 %exitcond = icmp ne i32 %j.0, %N
47 br i1 %exitcond, label %for.body3, label %for.end
49 for.body3: ; preds = %for.cond1
52 for.inc: ; preds = %for.body3
54 ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
55 ; CHECK: [N] -> { Stmt_for_inc[i0, i1] -> MemRef_x_addr_1[] };
56 ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
57 ; CHECK: [N] -> { Stmt_for_inc[i0, i1] -> MemRef_x_addr_1[] };
58 ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
59 ; CHECK: [N] -> { Stmt_for_inc[i0, i1] -> MemRef_A[1 + i0] };
60 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
61 %tmp1 = load i32* %arrayidx, align 4
62 %add = add nsw i32 %x.addr.1, %tmp1
63 %inc = add nsw i32 %j.0, 1
66 for.end: ; preds = %for.cond1
68 ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
69 ; CHECK: [N] -> { Stmt_for_end[i0] -> MemRef_x_addr_1_lcssa[] };
70 ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
71 ; CHECK: [N] -> { Stmt_for_end[i0] -> MemRef_x_addr_1_lcssa[] };
72 %x.addr.1.lcssa = phi i32 [ %x.addr.1, %for.cond1 ]
75 for.inc4: ; preds = %for.end
76 ; CHECK: Stmt_for_inc4
77 ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
78 ; CHECK: [N] -> { Stmt_for_inc4[i0] -> MemRef_x_addr_1_lcssa[] };
79 ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
80 ; CHECK: [N] -> { Stmt_for_inc4[i0] -> MemRef_x_addr_0[] };
81 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
84 for.end6: ; preds = %for.cond