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-rw-r--r--include/llvm/Target/TargetMachine.h24
-rw-r--r--include/llvm/Target/TargetRegistry.h87
-rw-r--r--include/llvm/Target/TargetSelect.h15
3 files changed, 99 insertions, 27 deletions
diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index ac41a58ccd..f4c845ab27 100644
--- a/include/llvm/Target/TargetMachine.h
+++ b/include/llvm/Target/TargetMachine.h
@@ -14,6 +14,7 @@
#ifndef LLVM_TARGET_TARGETMACHINE_H
#define LLVM_TARGET_TARGETMACHINE_H
+#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/ADT/StringRef.h"
#include <cassert>
#include <string>
@@ -23,6 +24,7 @@ namespace llvm {
class InstrItineraryData;
class JITCodeEmitter;
class MCAsmInfo;
+class MCCodeGenInfo;
class MCContext;
class Pass;
class PassManager;
@@ -41,16 +43,6 @@ class TargetSubtargetInfo;
class formatted_raw_ostream;
class raw_ostream;
-// Relocation model types.
-namespace Reloc {
- enum Model {
- Default,
- Static,
- PIC_, // Cannot be named PIC due to collision with -DPIC
- DynamicNoPIC
- };
-}
-
// Code model types.
namespace CodeModel {
enum Model {
@@ -108,6 +100,10 @@ protected: // Can only create subclasses.
std::string TargetCPU;
std::string TargetFS;
+ /// CodeGenInfo - Low level target information such as relocation model.
+ ///
+ const MCCodeGenInfo *CodeGenInfo;
+
/// AsmInfo - Contains target specific asm information.
///
const MCAsmInfo *AsmInfo;
@@ -214,11 +210,7 @@ public:
/// getRelocationModel - Returns the code generation relocation model. The
/// choices are static, PIC, and dynamic-no-pic, and target default.
- static Reloc::Model getRelocationModel();
-
- /// setRelocationModel - Sets the code generation relocation model.
- ///
- static void setRelocationModel(Reloc::Model Model);
+ Reloc::Model getRelocationModel() const;
/// getCodeModel - Returns the code model. The choices are small, kernel,
/// medium, large, and target default.
@@ -309,7 +301,7 @@ public:
class LLVMTargetMachine : public TargetMachine {
protected: // Can only create subclasses.
LLVMTargetMachine(const Target &T, StringRef TargetTriple,
- StringRef CPU, StringRef FS);
+ StringRef CPU, StringRef FS, Reloc::Model RM);
private:
/// addCommonCodeGenPasses - Add standard LLVM codegen passes used for
diff --git a/include/llvm/Target/TargetRegistry.h b/include/llvm/Target/TargetRegistry.h
index a33d17ba57..7d63d56a84 100644
--- a/include/llvm/Target/TargetRegistry.h
+++ b/include/llvm/Target/TargetRegistry.h
@@ -19,6 +19,7 @@
#ifndef LLVM_TARGET_TARGETREGISTRY_H
#define LLVM_TARGET_TARGETREGISTRY_H
+#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/ADT/Triple.h"
#include <string>
#include <cassert>
@@ -37,6 +38,7 @@ namespace llvm {
class MCRegisterInfo;
class MCStreamer;
class MCSubtargetInfo;
+ class MCCodeGenInfo;
class TargetAsmBackend;
class TargetAsmLexer;
class TargetAsmParser;
@@ -68,15 +70,17 @@ namespace llvm {
typedef MCAsmInfo *(*MCAsmInfoCtorFnTy)(const Target &T,
StringRef TT);
+ typedef MCCodeGenInfo *(*MCCodeGenInfoCtorFnTy)(StringRef TT, Reloc::Model M);
typedef MCInstrInfo *(*MCInstrInfoCtorFnTy)(void);
typedef MCRegisterInfo *(*MCRegInfoCtorFnTy)(StringRef TT);
typedef MCSubtargetInfo *(*MCSubtargetInfoCtorFnTy)(StringRef TT,
StringRef CPU,
StringRef Features);
typedef TargetMachine *(*TargetMachineCtorTy)(const Target &T,
- const std::string &TT,
- const std::string &CPU,
- const std::string &Features);
+ StringRef TT,
+ StringRef CPU,
+ StringRef Features,
+ Reloc::Model RM);
typedef AsmPrinter *(*AsmPrinterCtorTy)(TargetMachine &TM,
MCStreamer &Streamer);
typedef TargetAsmBackend *(*AsmBackendCtorTy)(const Target &T,
@@ -132,6 +136,10 @@ namespace llvm {
/// registered.
MCAsmInfoCtorFnTy MCAsmInfoCtorFn;
+ /// MCCodeGenInfoCtorFn - Constructor function for this target's MCCodeGenInfo,
+ /// if registered.
+ MCCodeGenInfoCtorFnTy MCCodeGenInfoCtorFn;
+
/// MCInstrInfoCtorFn - Constructor function for this target's MCInstrInfo,
/// if registered.
MCInstrInfoCtorFnTy MCInstrInfoCtorFn;
@@ -253,6 +261,14 @@ namespace llvm {
return MCAsmInfoCtorFn(*this, Triple);
}
+ /// createMCCodeGenInfo - Create a MCCodeGenInfo implementation.
+ ///
+ MCCodeGenInfo *createMCCodeGenInfo(StringRef Triple, Reloc::Model M) const {
+ if (!MCCodeGenInfoCtorFn)
+ return 0;
+ return MCCodeGenInfoCtorFn(Triple, M);
+ }
+
/// createMCInstrInfo - Create a MCInstrInfo implementation.
///
MCInstrInfo *createMCInstrInfo() const {
@@ -292,12 +308,12 @@ namespace llvm {
/// feature set; it should always be provided. Generally this should be
/// either the target triple from the module, or the target triple of the
/// host if that does not exist.
- TargetMachine *createTargetMachine(const std::string &Triple,
- const std::string &CPU,
- const std::string &Features) const {
+ TargetMachine *createTargetMachine(StringRef Triple, StringRef CPU,
+ StringRef Features,
+ Reloc::Model RM = Reloc::Default) const {
if (!TargetMachineCtorFn)
return 0;
- return TargetMachineCtorFn(*this, Triple, CPU, Features);
+ return TargetMachineCtorFn(*this, Triple, CPU, Features, RM);
}
/// createAsmBackend - Create a target specific assembly parser.
@@ -500,6 +516,22 @@ namespace llvm {
T.MCAsmInfoCtorFn = Fn;
}
+ /// RegisterMCCodeGenInfo - Register a MCCodeGenInfo implementation for the
+ /// given target.
+ ///
+ /// Clients are responsible for ensuring that registration doesn't occur
+ /// while another thread is attempting to access the registry. Typically
+ /// this is done by initializing all targets at program startup.
+ ///
+ /// @param T - The target being registered.
+ /// @param Fn - A function to construct a MCCodeGenInfo for the target.
+ static void RegisterMCCodeGenInfo(Target &T,
+ Target::MCCodeGenInfoCtorFnTy Fn) {
+ // Ignore duplicate registration.
+ if (!T.MCCodeGenInfoCtorFn)
+ T.MCCodeGenInfoCtorFn = Fn;
+ }
+
/// RegisterMCInstrInfo - Register a MCInstrInfo implementation for the
/// given target.
///
@@ -756,6 +788,39 @@ namespace llvm {
}
};
+ /// RegisterMCCodeGenInfo - Helper template for registering a target codegen info
+ /// implementation. This invokes the static "Create" method on the class
+ /// to actually do the construction. Usage:
+ ///
+ /// extern "C" void LLVMInitializeFooTarget() {
+ /// extern Target TheFooTarget;
+ /// RegisterMCCodeGenInfo<FooMCCodeGenInfo> X(TheFooTarget);
+ /// }
+ template<class MCCodeGenInfoImpl>
+ struct RegisterMCCodeGenInfo {
+ RegisterMCCodeGenInfo(Target &T) {
+ TargetRegistry::RegisterMCCodeGenInfo(T, &Allocator);
+ }
+ private:
+ static MCCodeGenInfo *Allocator(StringRef TT, Reloc::Model M) {
+ return new MCCodeGenInfoImpl();
+ }
+ };
+
+ /// RegisterMCCodeGenInfoFn - Helper template for registering a target codegen
+ /// info implementation. This invokes the specified function to do the
+ /// construction. Usage:
+ ///
+ /// extern "C" void LLVMInitializeFooTarget() {
+ /// extern Target TheFooTarget;
+ /// RegisterMCCodeGenInfoFn X(TheFooTarget, TheFunction);
+ /// }
+ struct RegisterMCCodeGenInfoFn {
+ RegisterMCCodeGenInfoFn(Target &T, Target::MCCodeGenInfoCtorFnTy Fn) {
+ TargetRegistry::RegisterMCCodeGenInfo(T, Fn);
+ }
+ };
+
/// RegisterMCInstrInfo - Helper template for registering a target instruction
/// info implementation. This invokes the static "Create" method on the class
/// to actually do the construction. Usage:
@@ -871,10 +936,10 @@ namespace llvm {
}
private:
- static TargetMachine *Allocator(const Target &T, const std::string &TT,
- const std::string &CPU,
- const std::string &FS) {
- return new TargetMachineImpl(T, TT, CPU, FS);
+ static TargetMachine *Allocator(const Target &T, StringRef TT,
+ StringRef CPU, StringRef FS,
+ Reloc::Model RM) {
+ return new TargetMachineImpl(T, TT, CPU, FS, RM);
}
};
diff --git a/include/llvm/Target/TargetSelect.h b/include/llvm/Target/TargetSelect.h
index 3cccaa80b0..81fd9c94dc 100644
--- a/include/llvm/Target/TargetSelect.h
+++ b/include/llvm/Target/TargetSelect.h
@@ -31,6 +31,10 @@ extern "C" {
#include "llvm/Config/Targets.def"
#define LLVM_TARGET(TargetName) \
+ void LLVMInitialize##TargetName##MCCodeGenInfo();
+#include "llvm/Config/Targets.def"
+
+#define LLVM_TARGET(TargetName) \
void LLVMInitialize##TargetName##MCInstrInfo();
#include "llvm/Config/Targets.def"
@@ -91,6 +95,16 @@ namespace llvm {
#include "llvm/Config/Targets.def"
}
+ /// InitializeAllMCCodeGenInfos - The main program should call this function
+ /// if it wants access to all targets machines that LLVM is configured to
+ /// support, to make them available via the TargetRegistry.
+ ///
+ /// It is legal for a client to make multiple calls to this function.
+ inline void InitializeAllMCCodeGenInfos() {
+#define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##MCCodeGenInfo();
+#include "llvm/Config/Targets.def"
+ }
+
/// InitializeAllMCInstrInfos - The main program should call this function
/// if it wants access to all available instruction infos for targets that
/// LLVM is configured to support, to make them available via the
@@ -164,6 +178,7 @@ namespace llvm {
LLVM_NATIVE_TARGETINFO();
LLVM_NATIVE_TARGET();
LLVM_NATIVE_MCASMINFO();
+ LLVM_NATIVE_MCCODEGENINFO();
return false;
#else
return true;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-04-26 16:02:56 +0000