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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; TODO: FIXME: Investigate why we need a InvalidContext here.
;
; void f(int *A, int *B) {
; while (A != B) {
; *A = *A + 1;
; A++;
; }
; }
;
; CHECK: Invalid Context:
; CHECK-NEXT: [A, B] -> { : (4*floor((A - B)/4) < A - B) or (4*floor((-A + B)/4) = -A + B and B >= 9223372036854775808 + A) or (4*floor((-A + B)/4) = -A + B and B <= -4 + A) }
;
; CHECK: Domain :=
; CHECK-NEXT: [A, B] -> { Stmt_while_body[i0] : 4*floor((-A + B)/4) = -A + B and i0 >= 0 and 4i0 <= -4 - A + B }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %A, i32* %B) {
entry:
br label %while.cond
while.cond: ; preds = %while.body, %entry
%A.addr.0 = phi i32* [ %A, %entry ], [ %incdec.ptr, %while.body ]
%cmp = icmp eq i32* %A.addr.0, %B
br i1 %cmp, label %while.end, label %while.body
while.body: ; preds = %while.cond
%tmp = load i32, i32* %A.addr.0, align 4
%add = add nsw i32 %tmp, 1
store i32 %add, i32* %A.addr.0, align 4
%incdec.ptr = getelementptr inbounds i32, i32* %A.addr.0, i64 1
br label %while.cond
while.end: ; preds = %while.cond
ret void
}
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