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8221592: C2 compilation failed with assert(!q->is_MergeMem())
authorthartmann
Mon, 29 Apr 2019 09:04:25 +0200
changeset 54640 2f4393ec54d4
parent 54639 2cac7d48db4c
child 54641 ff0a691901c9
8221592: C2 compilation failed with assert(!q->is_MergeMem()) Summary: Transform the original MergeMem after transforming the slices to get rid of MergeMem inputs. Reviewed-by: kvn, neliasso
src/hotspot/share/opto/parse1.cpp file | annotate | diff | comparison | revisions 
--- a/src/hotspot/share/opto/parse1.cpp	Sat Apr 27 18:21:57 2019 +0800
+++ b/src/hotspot/share/opto/parse1.cpp	Mon Apr 29 09:04:25 2019 +0200
@@ -1028,6 +1028,8 @@
     // transform each slice of the original memphi:
     mms.set_memory(_gvn.transform(mms.memory()));
   }
+  // Clean up input MergeMems created by transforming the slices
+  _gvn.transform(_exits.merged_memory());
 
   if (tf()->range()->cnt() > TypeFunc::Parms) {
     const Type* ret_type = tf()->range()->field_at(TypeFunc::Parms);
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