; RUN: opt %loadPolly -polly-scops -analyze < %s \ ; RUN: -polly-precise-fold-accesses | FileCheck %s target 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-n8:16:32:64-S128" ; void foo(long n, long m, long o, double A[n][m][o], long p, long q, long r) { ; ; for (long i = 0; i < n; i++) ; for (long j = 0; j < m; j++) ; for (long k = 0; k < o; k++) ; A[i+p][j+q][k+r] = 1.0; ; } ; ; Access function: ; {{{((8 * ((((%m * %p) + %q) * %o) + %r)) + %A),+,(8 * %m * %o)}<%for.i>,+, ; (8 * %o)}<%for.j>,+,8}<%for.k> ; CHECK: Assumed Context: ; CHECK-NEXT: [o, m, n, p, q, r] -> { : -m <= q <= 1 and ((-m < q <= 0 and -o < r < 0) or (r = 0 and q <= 0) or (r = -o and q > -m)) } ; ; CHECK: p0: %o ; CHECK-NEXT: p1: %m ; CHECK-NEXT: p2: %n ; CHECK-NEXT: p3: %p ; CHECK-NEXT: p4: %q ; CHECK-NEXT: p5: %r ; CHECK-NOT: p6 ; ; CHECK: Statements { ; CHECK-NEXT: Stmt_for_k ; CHECK-NEXT: Domain := ; CHECK-NEXT: [o, m, n, p, q, r] -> { Stmt_for_k[i0, i1, i2] : 0 <= i0 < n and 0 <= i1 < m and 0 <= i2 < o }; ; CHECK-NEXT: Schedule := ; CHECK-NEXT: [o, m, n, p, q, r] -> { Stmt_for_k[i0, i1, i2] -> [i0, i1, i2] }; ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [o, m, n, p, q, r] -> { Stmt_for_k[i0, i1, i2] -> MemRef_A[-1 + p + i0, -1 + m + q + i1, o + r + i2] : i1 <= -q and i2 < -r; Stmt_for_k[i0, i1, i2] -> MemRef_A[p + i0, -1 + q + i1, o + r + i2] : i1 > -q and i2 < -r; Stmt_for_k[i0, i1, i2] -> MemRef_A[-1 + p + i0, m + q + i1, r + i2] : i1 < -q and i2 >= -r; Stmt_for_k[i0, i1, i2] -> MemRef_A[p + i0, q + i1, r + i2] : i1 >= -q and i2 >= -r }; ; CHECK-NEXT: } define void @foo(i64 %n, i64 %m, i64 %o, double* %A, i64 %p, i64 %q, i64 %r) { entry: br label %for.i for.i: %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ] br label %for.j for.j: %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j.inc ] br label %for.k for.k: %k = phi i64 [ 0, %for.j ], [ %k.inc, %for.k.inc ] %offset0 = add nsw i64 %i, %p %subscript0 = mul i64 %offset0, %m %offset1 = add nsw i64 %j, %q %subscript1 = add i64 %offset1, %subscript0 %subscript2 = mul i64 %subscript1, %o %offset2 = add nsw i64 %k, %r %subscript = add i64 %subscript2, %offset2 %idx = getelementptr inbounds double, double* %A, i64 %subscript store double 1.0, double* %idx br label %for.k.inc for.k.inc: %k.inc = add nsw i64 %k, 1 %k.exitcond = icmp eq i64 %k.inc, %o br i1 %k.exitcond, label %for.j.inc, label %for.k for.j.inc: %j.inc = add nsw i64 %j, 1 %j.exitcond = icmp eq i64 %j.inc, %m br i1 %j.exitcond, label %for.i.inc, label %for.j for.i.inc: %i.inc = add nsw i64 %i, 1 %i.exitcond = icmp eq i64 %i.inc, %n br i1 %i.exitcond, label %end, label %for.i end: ret void }