| ; RUN: opt %loadPolly -basic-aa -polly-detect -analyze < %s | FileCheck %s |
| |
| ; void f(long A[], int N, int *init_ptr) { |
| ; long i, j; |
| ; |
| ; for (i = 0; i < N; ++i) { |
| ; init = *init_ptr; |
| ; for (i = 0; i < N; ++i) { |
| ; A[i] = init + 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" |
| |
| define void @f(i64* noalias %A, i64 %N, i64* noalias %init_ptr) nounwind { |
| entry: |
| br label %for.i |
| |
| for.i: |
| %indvar.i = phi i64 [ 0, %entry ], [ %indvar.i.next, %for.i.end ] |
| %indvar.i.next = add nsw i64 %indvar.i, 1 |
| br label %entry.next |
| |
| entry.next: |
| %init = load i64, i64* %init_ptr |
| br label %for.j |
| |
| for.j: |
| %indvar.j = phi i64 [ 0, %entry.next ], [ %indvar.j.next, %for.j ] |
| %init_plus_two = add i64 %init, 2 |
| %scevgep = getelementptr i64, i64* %A, i64 %indvar.j |
| store i64 %init_plus_two, i64* %scevgep |
| %indvar.j.next = add nsw i64 %indvar.j, 1 |
| %exitcond.j = icmp eq i64 %indvar.j.next, %N |
| br i1 %exitcond.j, label %for.i.end, label %for.j |
| |
| for.i.end: |
| %exitcond.i = icmp eq i64 %indvar.i.next, %N |
| br i1 %exitcond.i, label %return, label %for.i |
| |
| return: |
| ret void |
| } |
| |
| ; CHECK: Valid Region for Scop: for.i => return |