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-rw-r--r--llvm/include/llvm/IR/Intrinsics.h3
-rw-r--r--llvm/include/llvm/IR/Intrinsics.td4
-rw-r--r--llvm/lib/IR/Function.cpp5
-rw-r--r--llvm/utils/TableGen/CodeGenIntrinsics.h1
-rw-r--r--llvm/utils/TableGen/CodeGenTarget.cpp2
-rw-r--r--llvm/utils/TableGen/IntrinsicEmitter.cpp54
6 files changed, 69 insertions, 0 deletions
diff --git a/llvm/include/llvm/IR/Intrinsics.h b/llvm/include/llvm/IR/Intrinsics.h
index 839bbbd8b47..b0d746bd412 100644
--- a/llvm/include/llvm/IR/Intrinsics.h
+++ b/llvm/include/llvm/IR/Intrinsics.h
@@ -71,6 +71,9 @@ namespace Intrinsic {
/// Map a GCC builtin name to an intrinsic ID.
ID getIntrinsicForGCCBuiltin(const char *Prefix, const char *BuiltinName);
+
+ /// Map a MS builtin name to an intrinsic ID.
+ ID getIntrinsicForMSBuiltin(const char *Prefix, const char *BuiltinName);
/// IITDescriptor - This is a type descriptor which explains the type
/// requirements of an intrinsic. This is returned by
diff --git a/llvm/include/llvm/IR/Intrinsics.td b/llvm/include/llvm/IR/Intrinsics.td
index edd1621ef25..ae2a90c6295 100644
--- a/llvm/include/llvm/IR/Intrinsics.td
+++ b/llvm/include/llvm/IR/Intrinsics.td
@@ -226,6 +226,10 @@ class GCCBuiltin<string name> {
string GCCBuiltinName = name;
}
+class MSBuiltin<string name> {
+ string MSBuiltinName = name;
+}
+
//===--------------- Variable Argument Handling Intrinsics ----------------===//
//
diff --git a/llvm/lib/IR/Function.cpp b/llvm/lib/IR/Function.cpp
index fe32c4613e7..14435711bb6 100644
--- a/llvm/lib/IR/Function.cpp
+++ b/llvm/lib/IR/Function.cpp
@@ -735,6 +735,11 @@ Function *Intrinsic::getDeclaration(Module *M, ID id, ArrayRef<Type*> Tys) {
#include "llvm/IR/Intrinsics.gen"
#undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
+// This defines the "Intrinsic::getIntrinsicForMSBuiltin()" method.
+#define GET_LLVM_INTRINSIC_FOR_MS_BUILTIN
+#include "llvm/IR/Intrinsics.gen"
+#undef GET_LLVM_INTRINSIC_FOR_MS_BUILTIN
+
/// hasAddressTaken - returns true if there are any uses of this function
/// other than direct calls or invokes to it.
bool Function::hasAddressTaken(const User* *PutOffender) const {
diff --git a/llvm/utils/TableGen/CodeGenIntrinsics.h b/llvm/utils/TableGen/CodeGenIntrinsics.h
index 06daa97b66e..a9ece01c904 100644
--- a/llvm/utils/TableGen/CodeGenIntrinsics.h
+++ b/llvm/utils/TableGen/CodeGenIntrinsics.h
@@ -28,6 +28,7 @@ namespace llvm {
std::string Name; // The name of the LLVM function "llvm.bswap.i32"
std::string EnumName; // The name of the enum "bswap_i32"
std::string GCCBuiltinName;// Name of the corresponding GCC builtin, or "".
+ std::string MSBuiltinName; // Name of the corresponding MS builtin, or "".
std::string TargetPrefix; // Target prefix, e.g. "ppc" for t-s intrinsics.
/// IntrinsicSignature - This structure holds the return values and
diff --git a/llvm/utils/TableGen/CodeGenTarget.cpp b/llvm/utils/TableGen/CodeGenTarget.cpp
index de00dc6407e..d1b57118e0e 100644
--- a/llvm/utils/TableGen/CodeGenTarget.cpp
+++ b/llvm/utils/TableGen/CodeGenTarget.cpp
@@ -459,6 +459,8 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
if (R->getValue("GCCBuiltinName")) // Ignore a missing GCCBuiltinName field.
GCCBuiltinName = R->getValueAsString("GCCBuiltinName");
+ if (R->getValue("MSBuiltinName")) // Ignore a missing MSBuiltinName field.
+ MSBuiltinName = R->getValueAsString("MSBuiltinName");
TargetPrefix = R->getValueAsString("TargetPrefix");
Name = R->getValueAsString("LLVMName");
diff --git a/llvm/utils/TableGen/IntrinsicEmitter.cpp b/llvm/utils/TableGen/IntrinsicEmitter.cpp
index 5dba9514283..430ef32896d 100644
--- a/llvm/utils/TableGen/IntrinsicEmitter.cpp
+++ b/llvm/utils/TableGen/IntrinsicEmitter.cpp
@@ -54,6 +54,8 @@ public:
raw_ostream &OS);
void EmitIntrinsicToGCCBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
raw_ostream &OS);
+ void EmitIntrinsicToMSBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS);
void EmitSuffix(raw_ostream &OS);
};
} // End anonymous namespace
@@ -96,6 +98,9 @@ void IntrinsicEmitter::run(raw_ostream &OS) {
// Emit code to translate GCC builtins into LLVM intrinsics.
EmitIntrinsicToGCCBuiltinMap(Ints, OS);
+ // Emit code to translate MS builtins into LLVM intrinsics.
+ EmitIntrinsicToMSBuiltinMap(Ints, OS);
+
EmitSuffix(OS);
}
@@ -790,6 +795,55 @@ EmitIntrinsicToGCCBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
OS << "#endif\n\n";
}
+void IntrinsicEmitter::
+EmitIntrinsicToMSBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
+ raw_ostream &OS) {
+ std::map<std::string, std::map<std::string, std::string>> TargetBuiltins;
+
+ for (const auto &Intrinsic : Ints) {
+ if (Intrinsic.MSBuiltinName.empty())
+ continue;
+
+ auto &Builtins = TargetBuiltins[Intrinsic.TargetPrefix];
+ if (!Builtins.insert(std::make_pair(Intrinsic.MSBuiltinName,
+ Intrinsic.EnumName)).second)
+ PrintFatalError("Intrinsic '" + Intrinsic.TheDef->getName() + "': "
+ "duplicate MS builtin name!");
+ }
+
+ OS << "// Get the LLVM intrinsic that corresponds to a MS builtin.\n"
+ "// This is used by the C front-end. The MS builtin name is passed\n"
+ "// in as a BuiltinName, and a target prefix (e.g. 'arm') is passed\n"
+ "// in as a TargetPrefix. The result is assigned to 'IntrinsicID'.\n"
+ "#ifdef GET_LLVM_INTRINSIC_FOR_MS_BUILTIN\n";
+
+ OS << (TargetOnly ? "static " + TargetPrefix : "") << "Intrinsic::ID "
+ << (TargetOnly ? "" : "Intrinsic::")
+ << "getIntrinsicForMSBuiltin(const char *TP, const char *BN) {\n";
+ OS << " StringRef BuiltinName(BN);\n"
+ " StringRef TargetPrefix(TP);\n"
+ "\n";
+
+ for (const auto &Builtins : TargetBuiltins) {
+ OS << " ";
+ if (Builtins.first.empty())
+ OS << "/* Target Independent Builtins */ ";
+ else
+ OS << "if (TargetPrefix == \"" << Builtins.first << "\") ";
+ OS << "{\n";
+ EmitTargetBuiltins(Builtins.second, TargetPrefix, OS);
+ OS << "}";
+ }
+
+ OS << " return ";
+ if (!TargetPrefix.empty())
+ OS << "(" << TargetPrefix << "Intrinsic::ID)";
+ OS << "Intrinsic::not_intrinsic;\n";
+ OS << "}\n";
+
+ OS << "#endif\n\n";
+}
+
void llvm::EmitIntrinsics(RecordKeeper &RK, raw_ostream &OS, bool TargetOnly) {
IntrinsicEmitter(RK, TargetOnly).run(OS);
}
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