1 ; RUN: opt %loadPolly -pass-remarks-analysis="polly-scops" -polly-scops \
2 ; RUN: -polly-precise-inbounds -disable-output < %s 2>&1 | FileCheck %s
4 ; CHECK: remark: <unknown>:0:0: SCoP begins here.
5 ; CHECK-NEXT: remark: <unknown>:0:0: Use user assumption: [i, N, M] -> { : N <= i or (N > i and N >= 0) }
6 ; CHECK-NEXT: remark: <unknown>:0:0: Inbounds assumption: [i, N, M] -> { : N <= i or (N > i and M <= 100) }
7 ; CHECK-NEXT: remark: <unknown>:0:0: SCoP ends here.
9 ; void f(int *restrict A, int *restrict B, int i, int N, int M, int C[100][100]) {
10 ; for (; i < N; i++) {
11 ; __builtin_assume(N >= 0);
12 ; for (int j = 0; j != M; j++) {
13 ; __builtin_assume(N >= 0);
14 ; C[i][j] += A[i * M + j] + B[i + j];
21 ; RUN: opt %loadPolly -pass-remarks-analysis="polly-scops" -polly-scops \
22 ; RUN: -polly-precise-inbounds -disable-output < %s 2>&1 -pass-remarks-output=%t.yaml
23 ; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s
25 ; YAML: Pass: polly-scops
26 ; YAML: Name: ScopEntry
29 ; YAML: - String: SCoP begins here.
32 ; YAML: Pass: polly-scops
33 ; YAML: Name: UserAssumption
36 ; YAML: - String: 'Use user assumption: '
37 ; YAML: - String: '[i, N, M] -> { : N <= i or (N > i and N >= 0) }'
40 ; YAML: Pass: polly-scops
41 ; YAML: Name: AssumpRestrict
44 ; YAML: - String: 'Inbounds assumption: [i, N, M] -> { : N <= i or (N > i and M <= 100) }'
47 ; YAML: Pass: polly-scops
51 ; YAML: - String: SCoP ends here.
54 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
56 define void @f(ptr noalias %A, ptr noalias %B, i32 %i, i32 %N, i32 %M, ptr %C) {
58 %tmp = zext i32 %M to i64
59 %tmp6 = sext i32 %i to i64
60 %tmp7 = sext i32 %N to i64
61 %tmp8 = sext i32 %M to i64
64 for.cond: ; preds = %for.inc.15, %entry
65 %indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc.15 ], [ %tmp6, %entry ]
66 %cmp = icmp slt i64 %indvars.iv3, %tmp7
67 br i1 %cmp, label %for.body, label %for.end.17
69 for.body: ; preds = %for.cond
70 %cmp1 = icmp sgt i32 %N, -1
71 call void @llvm.assume(i1 %cmp1)
74 for.cond.2: ; preds = %for.inc, %for.body
75 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body ]
76 %cmp3 = icmp eq i64 %indvars.iv, %tmp
77 br i1 %cmp3, label %for.end, label %for.body.4
79 for.body.4: ; preds = %for.cond.2
80 %tmp9 = mul nsw i64 %indvars.iv3, %tmp8
81 %tmp10 = add nsw i64 %tmp9, %indvars.iv
82 %arrayidx = getelementptr inbounds i32, ptr %A, i64 %tmp10
83 %tmp11 = load i32, ptr %arrayidx, align 4
84 %tmp12 = add nsw i64 %indvars.iv3, %indvars.iv
85 %arrayidx8 = getelementptr inbounds i32, ptr %B, i64 %tmp12
86 %tmp13 = load i32, ptr %arrayidx8, align 4
87 %add9 = add nsw i32 %tmp11, %tmp13
88 %arrayidx13 = getelementptr inbounds [100 x i32], ptr %C, i64 %indvars.iv3, i64 %indvars.iv
89 %tmp14 = load i32, ptr %arrayidx13, align 4
90 %add14 = add nsw i32 %tmp14, %add9
91 store i32 %add14, ptr %arrayidx13, align 4
94 for.inc: ; preds = %for.body.4
95 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
98 for.end: ; preds = %for.cond.2
101 for.inc.15: ; preds = %for.end
102 %indvars.iv.next4 = add nsw i64 %indvars.iv3, 1
105 for.end.17: ; preds = %for.cond
109 declare void @llvm.assume(i1) #1