1 files changed, 64 insertions, 0 deletions
diff --git a/test/Transforms/NewGVN/pr32845.ll b/test/Transforms/NewGVN/pr32845.ll
new file mode 100644
index 0000000000000..beba3363b3032
--- /dev/null
+++ b/test/Transforms/NewGVN/pr32845.ll
@@ -0,0 +1,64 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -newgvn %s -S | FileCheck %s
+
+@b = external global i32, align 4
+@a = external global i32, align 4
+define void @tinkywinky() {
+; CHECK-LABEL: @tinkywinky(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br label [[L1:%.*]]
+; CHECK:       l1.loopexit:
+; CHECK-NEXT:    br label [[L1]]
+; CHECK:       l1:
+; CHECK-NEXT:    [[F_0:%.*]] = phi i32* [ @b, [[ENTRY:%.*]] ], [ @a, [[L1_LOOPEXIT:%.*]] ]
+; CHECK-NEXT:    br label [[FOR_COND:%.*]]
+; CHECK:       for.cond.loopexit:
+; CHECK-NEXT:    store i8 undef, i8* null
+; CHECK-NEXT:    br label [[FOR_COND]]
+; CHECK:       for.cond:
+; CHECK-NEXT:    br i1 undef, label [[FOR_END14:%.*]], label [[FOR_COND1_PREHEADER:%.*]]
+; CHECK:       for.cond1.preheader:
+; CHECK-NEXT:    br label [[FOR_BODY3:%.*]]
+; CHECK:       for.cond1:
+; CHECK-NEXT:    br label [[L2:%.*]]
+; CHECK:       for.body3:
+; CHECK-NEXT:    br i1 undef, label [[FOR_COND1:%.*]], label [[L1_LOOPEXIT]]
+; CHECK:       l2:
+; CHECK-NEXT:    [[G_4:%.*]] = phi i32* [ @b, [[FOR_END14]] ], [ @a, [[FOR_COND1]] ]
+; CHECK-NEXT:    [[F_2:%.*]] = phi i32* [ [[F_0]], [[FOR_END14]] ], [ @a, [[FOR_COND1]] ]
+; CHECK-NEXT:    br label [[FOR_INC:%.*]]
+; CHECK:       for.inc:
+; CHECK-NEXT:    br i1 false, label [[FOR_COND_LOOPEXIT:%.*]], label [[FOR_INC]]
+; CHECK:       for.end14:
+; CHECK-NEXT:    br label [[L2]]
+;
+entry:
+  br label %l1
+l1.loopexit:
+  %g.223.lcssa = phi i32* [ @b, %for.body3 ]
+  br label %l1
+l1:
+  %g.0 = phi i32* [ undef, %entry ], [ %g.223.lcssa, %l1.loopexit ]
+  %f.0 = phi i32* [ @b, %entry ], [ @a, %l1.loopexit ]
+  br label %for.cond
+for.cond.loopexit:
+  br label %for.cond
+for.cond:
+  %g.1 = phi i32* [ %g.0, %l1 ], [ %g.4, %for.cond.loopexit ]
+  %f.1 = phi i32* [ %f.0, %l1 ], [ %f.2, %for.cond.loopexit ]
+  br i1 undef, label %for.end14, label %for.cond1.preheader
+for.cond1.preheader:
+  br label %for.body3
+for.cond1:
+  br label %l2
+for.body3:
+  br i1 undef, label %for.cond1, label %l1.loopexit
+l2:
+  %g.4 = phi i32* [ %g.1, %for.end14 ], [ @a, %for.cond1 ]
+  %f.2 = phi i32* [ %f.1, %for.end14 ], [ @a, %for.cond1 ]
+  br label %for.inc
+for.inc:
+  br i1 false, label %for.cond.loopexit, label %for.inc
+for.end14:
+  br label %l2
+}