1 ; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -analyze -polly-delinearize < %s | FileCheck %s
2 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"
3 target triple = "x86_64-unknown-linux-gnu"
5 ; Derived from the following code:
7 ; void foo(long n, long m, double A[n][m]) {
8 ; for (long i = 0; i < n; i++)
9 ; for (long j = 0; j < m; j++)
13 ; CHECK: Assumed Context:
14 ; CHECK: [n, m] -> { : }
20 ; CHECK: [n, m] -> { Stmt_for_j[i0, i1] : i0 >= 0 and i0 <= -1 + n and i1 >= 0 and i1 <= -1 + m };
22 ; CHECK: [n, m] -> { Stmt_for_j[i0, i1] -> [i0, i1] };
23 ; CHECK: MustWriteAccess
24 ; CHECK: [n, m] -> { Stmt_for_j[i0, i1] -> MemRef_A[i0, i1] };
26 define void @foo(i64 %n, i64 %m, double* %A) {
31 %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
32 %tmp = mul nsw i64 %i, %m
36 %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
37 %vlaarrayidx.sum = add i64 %j, %tmp
38 %arrayidx = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum
39 store double 1.0, double* %arrayidx
40 %j.inc = add nsw i64 %j, 1
41 %j.exitcond = icmp eq i64 %j.inc, %m
42 br i1 %j.exitcond, label %for.i.inc, label %for.j
45 %i.inc = add nsw i64 %i, 1
46 %i.exitcond = icmp eq i64 %i.inc, %n
47 br i1 %i.exitcond, label %end, label %for.i