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Add a "Compare" flag to the target instruction descriptor. This will be used

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later to identify and possibly remove superfluous compare instructions -- those
that are testing for and setting a status flag that should already be set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109901 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2010-07-30 22:48:39 +00:00
parent 38cb1381b5
commit 1844b1a5a4
5 changed files with 11 additions and 1 deletions
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1
utils/TableGen/CodeGenInstruction.cpp
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@ -102,6 +102,7 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
isReturn = R->getValueAsBit("isReturn");
isBranch = R->getValueAsBit("isBranch");
isIndirectBranch = R->getValueAsBit("isIndirectBranch");
isCompare = R->getValueAsBit("isCompare");
isBarrier = R->getValueAsBit("isBarrier");
isCall = R->getValueAsBit("isCall");
canFoldAsLoad = R->getValueAsBit("canFoldAsLoad");