--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/polly/test/ScopInfo/modulo_zext_1.ll	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,53 @@
+; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
+;
+; CHECK:         Assumed Context:
+; CHECK-NEXT:    [N] -> {  :  }
+; CHECK-NEXT:    Invalid Context:
+; CHECK-NEXT:    [N] -> {  : false }
+; CHECK-NEXT:    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[1] : (1 + i0) mod 2 = 0; Stmt_for_body[i0] -> MemRef_A[0] : (i0) mod 2 = 0 }
+; CHECK-NEXT:            MustWriteAccess :=	[Reduction Type: +] [Scalar: 0]
+; CHECK-NEXT:               [N] -> { Stmt_for_body[i0] -> MemRef_A[1] : (1 + i0) mod 2 = 0; Stmt_for_body[i0] -> MemRef_A[0] : (i0) mod 2 = 0 }; 
+; CHECK-NEXT:    }
+;
+;    void f(int *A, int N) {
+;      for (int i = 0; i < N; i++) {
+;        A[i % 2]++;
+;      }
+;    }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @f(i32* %A, i32 %N) {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %i.0 = phi i32 [ 0, %entry ], [ %inc1, %for.inc ]
+  %cmp = icmp slt i32 %i.0, %N
+  br i1 %cmp, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %i.t = trunc i32 %i.0 to i1
+  %rem = zext i1 %i.t to i32
+  %idxprom = sext i32 %rem to i64
+  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom
+  %tmp = load i32, i32* %arrayidx, align 4
+  %inc = add nsw i32 %tmp, 1
+  store i32 %inc, i32* %arrayidx, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %for.body
+  %inc1 = add nuw nsw i32 %i.0, 1
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}