polly/test/ScopInfo/modulo_zext_3.ll

; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; CHECK:         Assumed Context:
; CHECK-NEXT:    [N] -> {  :  }
; CHECK-NEXT:    Invalid Context:
; CHECK-NEXT:    [N] -> {  : N >= 4294967297 }
; CHECK:         p0: %N
; CHECK:         Statements {
; CHECK-NEXT:    	Stmt_for_body
; CHECK-NEXT:            Domain :=
; CHECK-NEXT:                [N] -> { Stmt_for_body[i0] : 0 <= i0 < N };
; CHECK-NEXT:            Schedule :=
; CHECK-NEXT:                [N] -> { Stmt_for_body[i0] -> [i0] };
; CHECK-NEXT:            ReadAccess :=	[Reduction Type: +] [Scalar: 0]
; CHECK-NEXT:                [N] -> { Stmt_for_body[i0] -> MemRef_A[i0] };
; CHECK-NEXT:            MustWriteAccess :=	[Reduction Type: +] [Scalar: 0]
; CHECK-NEXT:                [N] -> { Stmt_for_body[i0] -> MemRef_A[i0]  };
; CHECK-NEXT:    }
;
;    void f(long *A, long N) {
;      long K = /* 2^32 */ 4294967296;
;      for (long i = 0; i < N; i++) {
;        A[i % K]++;
;      }
;    }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

define void @f(i64* %A, i64 %N) {
entry:
  br label %for.cond

for.cond:                                         ; preds = %for.inc, %entry
  %i.0 = phi i64 [ 0, %entry ], [ %inc1, %for.inc ]
  %cmp = icmp slt i64 %i.0, %N
  br i1 %cmp, label %for.body, label %for.end

for.body:                                         ; preds = %for.cond
  %i.t = trunc i64 %i.0 to i33
  %rem = zext i33 %i.t to i64
  %arrayidx = getelementptr inbounds i64, i64* %A, i64 %rem
  %tmp = load i64, i64* %arrayidx, align 4
  %inc = add nsw i64 %tmp, 1
  store i64 %inc, i64* %arrayidx, align 4
  br label %for.inc

for.inc:                                          ; preds = %for.body
  %inc1 = add nuw nsw i64 %i.0, 1
  br label %for.cond

for.end:                                          ; preds = %for.cond
  ret void
}