Revert the earlier change that removed the M_REMATERIALIZABLE machine
instruction flag, and use the flag along with a virtual member function
hook for targets to override if there are instructions that are only
trivially rematerializable with specific operands (i.e. constant pool
loads).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37728 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenInstruction.h b/utils/TableGen/CodeGenInstruction.h
index 4f76de8..54d9b3f 100644
--- a/utils/TableGen/CodeGenInstruction.h
+++ b/utils/TableGen/CodeGenInstruction.h
@@ -91,6 +91,7 @@
bool isConvertibleToThreeAddress;
bool isCommutable;
bool isTerminator;
+ bool isReMaterializable;
bool hasDelaySlot;
bool usesCustomDAGSchedInserter;
bool hasVariableNumberOfOperands;