--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/polly/test/IstAstInfo/reduction_multiple_dimensions_2.ll	Wed Nov 09 17:45:10 2022 +0900
@@ -0,0 +1,72 @@
+; RUN: opt %loadPolly -polly-print-ast -polly-ast-detect-parallel -disable-output < %s | FileCheck %s
+;
+; CHECK-NOT:#pragma known-parallel reduction
+; CHECK:    #pragma known-parallel
+; CHECK:    for (int c0 = 0; c0 <= 2047; c0 += 1)
+; CHECK:      for (int c1 = 0; c1 <= 1023; c1 += 1)
+; CHECK:        #pragma simd reduction
+; CHECK:        for (int c2 = 0; c2 <= 511; c2 += 1)
+; CHECK:          Stmt_for_body6(c0, c1, c2);
+;
+;    void rmd2(int *A) {
+;      for (long i = 0; i < 2048; i++)
+;        for (long j = 0; j < 1024; j++)
+;          for (long k = 0; k < 512; k++)
+;            A[i] += i;
+;    }
+;
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
+
+define void @rmd2(i32* %A) {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc10, %entry
+  %i.0 = phi i32 [ 0, %entry ], [ %inc11, %for.inc10 ]
+  %exitcond2 = icmp ne i32 %i.0, 2048
+  br i1 %exitcond2, label %for.body, label %for.end12
+
+for.body:                                         ; preds = %for.cond
+  br label %for.cond1
+
+for.cond1:                                        ; preds = %for.inc7, %for.body
+  %j.0 = phi i32 [ 0, %for.body ], [ %inc8, %for.inc7 ]
+  %exitcond1 = icmp ne i32 %j.0, 1024
+  br i1 %exitcond1, label %for.body3, label %for.end9
+
+for.body3:                                        ; preds = %for.cond1
+  br label %for.cond4
+
+for.cond4:                                        ; preds = %for.inc, %for.body3
+  %k.0 = phi i32 [ 0, %for.body3 ], [ %inc, %for.inc ]
+  %exitcond = icmp ne i32 %k.0, 512
+  br i1 %exitcond, label %for.body6, label %for.end
+
+for.body6:                                        ; preds = %for.cond4
+  %arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.0
+  %tmp = load i32, i32* %arrayidx, align 4
+  %add = add nsw i32 %tmp, %i.0
+  store i32 %add, i32* %arrayidx, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %for.body6
+  %inc = add nsw i32 %k.0, 1
+  br label %for.cond4
+
+for.end:                                          ; preds = %for.cond4
+  br label %for.inc7
+
+for.inc7:                                         ; preds = %for.end
+  %inc8 = add nsw i32 %j.0, 1
+  br label %for.cond1
+
+for.end9:                                         ; preds = %for.cond1
+  br label %for.inc10
+
+for.inc10:                                        ; preds = %for.end9
+  %inc11 = add nsw i32 %i.0, 1
+  br label %for.cond
+
+for.end12:                                        ; preds = %for.cond
+  ret void
+}