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ARM: use TableGen patterns to select CMOV operations.

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Back in the mists of time (2008), it seems TableGen couldn't handle the
patterns necessary to match ARM's CMOV node that we convert select operations
to, so we wrote a lot of fairly hairy C++ to do it for us.

TableGen can deal with it now: there were a few minor differences to CodeGen
(see tests), but nothing obviously worse that I could see, so we should
probably address anything that *does* come up in a localised manner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188995 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover
2013-08-22 09:57:11 +00:00
parent bccc6f89b7
commit f7ab3a84b3
14 changed files with 163 additions and 339 deletions
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utils/TableGen/CodeGenInstruction.cpp
+1 -1
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@@ -90,7 +90,7 @@ CGIOperandList::CGIOperandList(Record *R) : TheDef(R) {
if (unsigned NumArgs = MIOpInfo->getNumArgs())
NumOps = NumArgs;
if (Rec->isSubClassOf("PredicateOperand"))
if (Rec->isSubClassOf("PredicateOp"))
isPredicable = true;
else if (Rec->isSubClassOf("OptionalDefOperand"))
hasOptionalDef = true;