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; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
; void f(long A[], long N) {
; long i;
; long i_non_canonical = 1;
; for (i = 0; i < N; ++i) {
; A[i] = i_non_canonical;
; i_non_canonical += 1;
; }
; }
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* %A, i64 %N) nounwind {
entry:
%cmp = icmp sgt i64 %N, 0
br i1 %cmp, label %for.i, label %return
for.i:
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.i ]
%indvar_non_canonical = phi i64 [ 1, %entry ], [ %indvar_non_canonical.next, %for.i ]
%scevgep = getelementptr i64, i64* %A, i64 %indvar
store i64 %indvar_non_canonical, i64* %scevgep
%indvar.next = add nsw i64 %indvar, 1
%indvar_non_canonical.next = add nsw i64 %indvar_non_canonical, 1
%exitcond = icmp eq i64 %indvar.next, %N
br i1 %exitcond, label %return, label %for.i
return:
ret void
}
; CHECK: Valid Region for Scop: for.i => return
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