add a fixme for an experiment that defeated me for the time being.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97081 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelMatcherGen.cpp b/utils/TableGen/DAGISelMatcherGen.cpp
index 9727c5f..c070e44 100644
--- a/utils/TableGen/DAGISelMatcherGen.cpp
+++ b/utils/TableGen/DAGISelMatcherGen.cpp
@@ -490,6 +490,10 @@
void MatcherGen::EmitMatcherCode() {
// If the pattern has a predicate on it (e.g. only enabled when a subtarget
// feature is around, do the check).
+ // FIXME: This should get emitted after the match code below to encourage
+ // sharing. This can't happen until we get an X86ISD::AddrMode node made by
+ // dag combine, eliminating the horrible side-effect-full stuff from
+ // X86's MatchAddress.
if (!Pattern.getPredicateCheck().empty())
AddMatcherNode(new
CheckPatternPredicateMatcherNode(Pattern.getPredicateCheck()));