ARM: Support marking intrinsic definitions as 'unavailable'
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156490 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/arm_neon.td b/include/clang/Basic/arm_neon.td
index 71a0aa2..451d562 100644
--- a/include/clang/Basic/arm_neon.td
+++ b/include/clang/Basic/arm_neon.td
@@ -15,6 +15,7 @@
class Op;
def OP_NONE : Op;
+def OP_UNAVAILABLE : Op;
def OP_ADD : Op;
def OP_ADDL : Op;
def OP_ADDW : Op;
diff --git a/utils/TableGen/NeonEmitter.cpp b/utils/TableGen/NeonEmitter.cpp
index e6f2e53..658890c 100644
--- a/utils/TableGen/NeonEmitter.cpp
+++ b/utils/TableGen/NeonEmitter.cpp
@@ -1012,7 +1012,7 @@
StringRef outTypeStr, StringRef inTypeStr,
OpKind kind, ClassKind classKind) {
assert(!proto.empty() && "");
- bool define = UseMacro(proto);
+ bool define = UseMacro(proto) && kind != OpUnavailable;
std::string s;
// static always inline + return type
@@ -1040,9 +1040,11 @@
if (define) {
s += " __extension__ ({ \\\n ";
s += GenMacroLocals(proto, inTypeStr);
- } else {
+ } else if (kind == OpUnavailable) {
+ s += " __attribute__((unavailable));\n";
+ return s;
+ } else
s += " { \\\n ";
- }
if (kind != OpNone)
s += GenOpString(kind, proto, outTypeStr);
@@ -1238,7 +1240,7 @@
/// runHeader - Emit a file with sections defining:
/// 1. the NEON section of BuiltinsARM.def.
/// 2. the SemaChecking code for the type overload checking.
-/// 3. the SemaChecking code for validation of intrinsic immedate arguments.
+/// 3. the SemaChecking code for validation of intrinsic immediate arguments.
void NeonEmitter::runHeader(raw_ostream &OS) {
std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
@@ -1551,6 +1553,8 @@
ParseTypes(R, Types, TypeVec);
OpKind kind = OpMap[R->getValueAsDef("Operand")->getName()];
+ if (kind == OpUnavailable)
+ continue;
for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
if (kind == OpReinterpret) {
bool outQuad = false;
diff --git a/utils/TableGen/NeonEmitter.h b/utils/TableGen/NeonEmitter.h
index dec7451..7a703fe 100644
--- a/utils/TableGen/NeonEmitter.h
+++ b/utils/TableGen/NeonEmitter.h
@@ -23,6 +23,7 @@
enum OpKind {
OpNone,
+ OpUnavailable,
OpAdd,
OpAddl,
OpAddw,
@@ -130,6 +131,7 @@
public:
NeonEmitter(RecordKeeper &R) : Records(R) {
OpMap["OP_NONE"] = OpNone;
+ OpMap["OP_UNAVAILABLE"] = OpUnavailable;
OpMap["OP_ADD"] = OpAdd;
OpMap["OP_ADDL"] = OpAddl;
OpMap["OP_ADDW"] = OpAddw;