TableGen: Only fold when some operand made resolve progress
Summary:
Make sure that we always fold immediately, so there's no point in
attempting to re-fold when nothing changes.
Change-Id: I069e1989455b6f2ca8606152f6adc1a5e817f1c8
Reviewers: arsenm, craig.topper, tra, MartinO
Subscribers: wdng, llvm-commits
Differential Revision: https://reviews.llvm.org/D44198
llvm-svn: 327847
diff --git a/llvm/lib/TableGen/Record.cpp b/llvm/lib/TableGen/Record.cpp
index e76f2a0..331e2bc 100644
--- a/llvm/lib/TableGen/Record.cpp
+++ b/llvm/lib/TableGen/Record.cpp
@@ -765,7 +765,7 @@
if (LHS != lhs)
return (UnOpInit::get(getOpcode(), lhs, getType()))
->Fold(R.getCurrentRecord());
- return Fold(R.getCurrentRecord());
+ return const_cast<UnOpInit *>(this);
}
std::string UnOpInit::getAsString() const {
@@ -948,7 +948,7 @@
if (LHS != lhs || RHS != rhs)
return (BinOpInit::get(getOpcode(), lhs, rhs, getType()))
->Fold(R.getCurrentRecord());
- return Fold(R.getCurrentRecord());
+ return const_cast<BinOpInit *>(this);
}
std::string BinOpInit::getAsString() const {
@@ -1173,7 +1173,7 @@
if (LHS != lhs || MHS != mhs || RHS != rhs)
return (TernOpInit::get(getOpcode(), lhs, mhs, rhs, getType()))
->Fold(R.getCurrentRecord());
- return Fold(R.getCurrentRecord());
+ return const_cast<TernOpInit *>(this);
}
std::string TernOpInit::getAsString() const {