1 files changed, 32 insertions, 0 deletions
diff --git a/polly/test/ScopInfo/simple_loop_unsigned.ll b/polly/test/ScopInfo/simple_loop_unsigned.ll
new file mode 100644
index 00000000000..0f451f2cc2b
--- /dev/null
+++ b/polly/test/ScopInfo/simple_loop_unsigned.ll
@@ -0,0 +1,32 @@
+; 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] -> {  : N >= 0 }
+;
+; 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
+}