minimal hack to get patterns whose result type is iPTR to be selected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31742 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index a35175a..ae4874b 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -3725,15 +3725,31 @@
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";