1 files changed, 74 insertions, 0 deletions
diff --git a/polly/test/ScopInfo/same-base-address-scalar-and-array.ll b/polly/test/ScopInfo/same-base-address-scalar-and-array.ll
new file mode 100644
index 00000000000..344ee557b76
--- /dev/null
+++ b/polly/test/ScopInfo/same-base-address-scalar-and-array.ll
@@ -0,0 +1,74 @@
+; RUN: opt %loadPolly -polly-code-generator=isl -polly-scops -analyze < %s | FileCheck %s
+;
+; Verify we introduce two ScopArrayInfo objects (or virtual arrays) for the %out variable
+; as it is used as a memory base pointer (%0) but also as a scalar (%out.addr.0.lcssa).
+;
+; CHECK:         Arrays {
+; CHECK-NEXT:        float* MemRef_out[*] // Element size 0
+; CHECK-NEXT:        float* MemRef_out_addr_0_lcssa[*] // Element size 0
+; CHECK-NEXT:        float MemRef_out[*][4] // Element size 4
+; CHECK-NEXT:    }
+;
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+
+; Function Attrs: nounwind ssp uwtable
+define void @ff_celp_lp_synthesis_filterf(float* %out) #0 {
+entry:
+  br label %entry.split
+
+entry.split:                                      ; preds = %entry
+  br i1 false, label %for.end.97, label %for.body.lr.ph
+
+for.body.lr.ph:                                   ; preds = %entry.split
+  %arrayidx13 = getelementptr inbounds float, float* %out, i64 -3
+  %0 = load float, float* %arrayidx13, align 4
+  br label %for.body
+
+for.body:                                         ; preds = %for.end, %for.body.lr.ph
+  br i1 false, label %for.body.50.lr.ph, label %for.end
+
+for.body.50.lr.ph:                                ; preds = %for.body
+  br label %for.body.50
+
+for.body.50:                                      ; preds = %for.body.50, %for.body.50.lr.ph
+  br i1 false, label %for.body.50, label %for.cond.48.for.end_crit_edge
+
+for.cond.48.for.end_crit_edge:                    ; preds = %for.body.50
+  br label %for.end
+
+for.end:                                          ; preds = %for.cond.48.for.end_crit_edge, %for.body
+  %add96 = add nuw nsw i32 0, 4
+  %cmp = icmp sgt i32 %add96, 0
+  br i1 %cmp, label %for.cond.for.end.97_crit_edge, label %for.body
+
+for.cond.for.end.97_crit_edge:                    ; preds = %for.end
+  br label %for.end.97
+
+for.end.97:                                       ; preds = %for.cond.for.end.97_crit_edge, %entry.split
+  %out.addr.0.lcssa = phi float* [ undef, %for.cond.for.end.97_crit_edge ], [ %out, %entry.split ]
+  br i1 undef, label %for.body.104.lr.ph, label %for.end.126
+
+for.body.104.lr.ph:                               ; preds = %for.end.97
+  br label %for.body.104
+
+for.body.104:                                     ; preds = %for.inc.124, %for.body.104.lr.ph
+  br i1 undef, label %for.inc.124, label %for.body.111.lr.ph
+
+for.body.111.lr.ph:                               ; preds = %for.body.104
+  br label %for.body.111
+
+for.body.111:                                     ; preds = %for.body.111, %for.body.111.lr.ph
+  br i1 undef, label %for.body.111, label %for.cond.109.for.inc.124_crit_edge
+
+for.cond.109.for.inc.124_crit_edge:               ; preds = %for.body.111
+  br label %for.inc.124
+
+for.inc.124:                                      ; preds = %for.cond.109.for.inc.124_crit_edge, %for.body.104
+  br i1 undef, label %for.body.104, label %for.cond.102.for.end.126_crit_edge
+
+for.cond.102.for.end.126_crit_edge:               ; preds = %for.inc.124
+  br label %for.end.126
+
+for.end.126:                                      ; preds = %for.cond.102.for.end.126_crit_edge, %for.end.97
+  ret void
+}