diff options
author | Evan Cheng <evan.cheng@apple.com> | 2005-12-21 20:20:49 +0000 |
---|---|---|
committer | Evan Cheng <evan.cheng@apple.com> | 2005-12-21 20:20:49 +0000 |
commit | 87bddeb2afeaa8cebe43a216430375afec8c16d3 (patch) | |
tree | 2626077707f52c5e5685c02e679cd52771839b13 /utils/TableGen/DAGISelEmitter.cpp | |
parent | 35186bacc3ce68ca670acd2b5717d7702ff0387f (diff) | |
download | external_llvm-87bddeb2afeaa8cebe43a216430375afec8c16d3.zip external_llvm-87bddeb2afeaa8cebe43a216430375afec8c16d3.tar.gz external_llvm-87bddeb2afeaa8cebe43a216430375afec8c16d3.tar.bz2 |
Allows instructions which no explicit operands. e.g. X86 RET which has but
an implicit flag operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24916 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/DAGISelEmitter.cpp')
-rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index be8fb75..140c8f2 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -1124,23 +1124,22 @@ void DAGISelEmitter::ParseInstructions() { std::vector<Record*> Operands; CodeGenInstruction &InstInfo =Target.getInstruction(Instrs[i]->getName()); - - // Doesn't even define a result? - if (InstInfo.OperandList.size() == 0) - continue; + // Note: Removed if (InstInfo.OperandList.size() == 0) continue; + // It's possible for some instruction, e.g. RET for X86 that only has an + // implicit flag operand. // FIXME: temporary hack... if (InstInfo.isReturn || InstInfo.isBranch || InstInfo.isCall || InstInfo.isStore) { // These produce no results - for (unsigned j = 0, e = InstInfo.OperandList.size(); j != e; ++j) + for (unsigned j = 0, e = InstInfo.OperandList.size(); j < e; ++j) Operands.push_back(InstInfo.OperandList[j].Rec); } else { // Assume the first operand is the result. Results.push_back(InstInfo.OperandList[0].Rec); // The rest are inputs. - for (unsigned j = 1, e = InstInfo.OperandList.size(); j != e; ++j) + for (unsigned j = 1, e = InstInfo.OperandList.size(); j < e; ++j) Operands.push_back(InstInfo.OperandList[j].Rec); } |