File: simple_loop_unsigned.ll

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llvm-toolchain-13 1%3A13.0.1-11
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s

; void f(int a[], unsigned N) {
;   unsigned i;
;   do {
;     a[i] = i;
;   } while (++i <= N);
; }

; CHECK:      Assumed Context:
; CHECK-NEXT: [N] -> {  :  }
; CHECK-NEXT: Invalid Context:
; CHECK-NEXT: [N] -> {  : false }
;
; CHECK:              Domain :=
; CHECK-NEXT:             [N] -> { Stmt_bb[i0] : 0 <= i0 < N; Stmt_bb[0] : N = 0 };

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* nocapture %a, i64 %N) nounwind {
entry:
  br label %bb

bb:                                               ; preds = %bb, %entry
  %i = phi i64 [ 0, %entry ], [ %i.inc, %bb ]
  %scevgep = getelementptr inbounds i64, i64* %a, i64 %i
  store i64 %i, i64* %scevgep
  %i.inc = add nsw i64 %i, 1
  %exitcond = icmp uge i64 %i.inc, %N
  br i1 %exitcond, label %return, label %bb

return:                                           ; preds = %bb, %entry
  ret void
}