1 ; RUN: opt %loadPolly -polly-scops -analyze \
2 ; RUN: -polly-precise-fold-accesses < %s | FileCheck %s
4 ; void foo(long n, long m, float A[][n][m]) {
5 ; for (long i = 0; i < 100; i++)
6 ; for (long j = 0; j < n; j++)
7 ; for (long k = 0; k < m; k++)
8 ; A[i][j][k] += A[i][n - j - 1][m - k - 1];
11 ; Verify that the parameter in the subscript expression is correctly
14 ; CHECK: Assumed Context:
15 ; CHECK-NEXT: [n, m] -> { : }
16 ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
17 ; CHECK-NEXT: [n, m] -> { Stmt_for_body6[i0, i1, i2] -> MemRef_A[i0, -1 + n - i1, -1 + m - i2] };
19 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
21 define void @foo(i64 %n, i64 %m, float* %A) {
25 for.cond: ; preds = %for.inc18, %entry
26 %i.0 = phi i64 [ 0, %entry ], [ %inc19, %for.inc18 ]
27 %exitcond = icmp ne i64 %i.0, 100
28 br i1 %exitcond, label %for.body, label %for.end20
30 for.body: ; preds = %for.cond
33 for.cond1: ; preds = %for.inc15, %for.body
34 %j.0 = phi i64 [ 0, %for.body ], [ %inc16, %for.inc15 ]
35 %cmp2 = icmp slt i64 %j.0, %n
36 br i1 %cmp2, label %for.body3, label %for.end17
38 for.body3: ; preds = %for.cond1
41 for.cond4: ; preds = %for.inc, %for.body3
42 %k.0 = phi i64 [ 0, %for.body3 ], [ %inc, %for.inc ]
43 %cmp5 = icmp slt i64 %k.0, %m
44 br i1 %cmp5, label %for.body6, label %for.end
46 for.body6: ; preds = %for.cond4
47 %sub = sub nsw i64 %m, %k.0
48 %sub7 = add nsw i64 %sub, -1
49 %sub8 = sub nsw i64 %n, %j.0
50 %sub9 = add nsw i64 %sub8, -1
51 %tmp = mul nuw i64 %n, %m
52 %tmp1 = mul nsw i64 %i.0, %tmp
53 %tmp2 = mul nsw i64 %sub9, %m
54 %arrayidx.sum = add i64 %tmp1, %tmp2
55 %arrayidx10.sum = add i64 %arrayidx.sum, %sub7
56 %arrayidx11 = getelementptr inbounds float, float* %A, i64 %arrayidx10.sum
57 %tmp3 = load float, float* %arrayidx11, align 4
58 %tmp4 = mul nuw i64 %n, %m
59 %tmp5 = mul nsw i64 %i.0, %tmp4
60 %tmp6 = mul nsw i64 %j.0, %m
61 %arrayidx12.sum = add i64 %tmp5, %tmp6
62 %arrayidx13.sum = add i64 %arrayidx12.sum, %k.0
63 %arrayidx14 = getelementptr inbounds float, float* %A, i64 %arrayidx13.sum
64 %tmp7 = load float, float* %arrayidx14, align 4
65 %add = fadd float %tmp7, %tmp3
66 store float %add, float* %arrayidx14, align 4
69 for.inc: ; preds = %for.body6
70 %inc = add nuw nsw i64 %k.0, 1
73 for.end: ; preds = %for.cond4
76 for.inc15: ; preds = %for.end
77 %inc16 = add nuw nsw i64 %j.0, 1
80 for.end17: ; preds = %for.cond1
83 for.inc18: ; preds = %for.end17
84 %inc19 = add nuw nsw i64 %i.0, 1
87 for.end20: ; preds = %for.cond