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minimal hack to get patterns whose result type is iPTR to be selected.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31742 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-11-14 21:50:27 +00:00
parent 2f42ed6b0b
commit 717a611f79
1 changed files with 16 additions and 0 deletions
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16
utils/TableGen/DAGISelEmitter.cpp
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@ -3725,15 +3725,31 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
OS << " return Select_" << getLegalCName(OpName)
<< (VTStr != "" ? "_" : "") << VTStr << "(N);\n";
} else {
// Keep track of whether we see a pattern that has an iPtr result.
bool HasPtrPattern = false;
OS << " switch (NVT) {\n";
for (unsigned i = 0, e = OpVTs.size(); i < e; ++i) {
std::string &VTStr = OpVTs[i];
assert(!VTStr.empty() && "Unset vtstr?");
// If this is a match on iPTR: don't emit it directly, we need special
// code.
if (VTStr == "iPTR") {
HasPtrPattern = true;
continue;
}
OS << " case MVT::" << VTStr << ":\n"
<< " return Select_" << getLegalCName(OpName)
<< "_" << VTStr << "(N);\n";
}
OS << " default:\n";
// If there is an iPTR result version of this pattern, emit it here.
if (HasPtrPattern) {
OS << " if (NVT == TLI.getPointerTy())\n";
OS << " return Select_" << getLegalCName(OpName) <<"_iPTR(N);\n";
}
OS << " break;\n";
OS << " }\n";
OS << " break;\n";