; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s ; ; void f(int *A, unsigned char N) { ; for (unsigned i = 0; i <= N / -128; i++) ; A[i]++; ; } ; ; CHECK: Assumed Context: ; CHECK-NEXT: [N] -> { : } ; CHECK-NEXT: Invalid Context: ; CHECK-NEXT: [N] -> { : N < 0 } ; ; CHECK: Domain := ; CHECK-NEXT: [N] -> { Stmt_for_body[0] : N >= 0 }; ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @f(i32* %A, i8 %N) { entry: %tmp = udiv i8 %N, -128 br label %for.cond for.cond: ; preds = %for.inc, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %lftr.wideiv = trunc i64 %indvars.iv to i8 %exitcond = icmp sle i8 %lftr.wideiv, %tmp br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %tmp2 = load i32, i32* %arrayidx, align 4 %inc = add nsw i32 %tmp2, 1 store i32 %inc, i32* %arrayidx, align 4 br label %for.inc for.inc: ; preds = %for.body %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %for.cond for.end: ; preds = %for.cond ret void }