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add a fixme for an experiment that defeated me for the time being.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97081 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-02-25 00:03:03 +00:00
parent 3dc9b4872b
commit 2a1263b1e1
1 changed files with 4 additions and 0 deletions
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4
utils/TableGen/DAGISelMatcherGen.cpp
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@ -490,6 +490,10 @@ void MatcherGen::EmitMatchCode(const TreePatternNode *N,
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()));