#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsARM.h"
#include "llvm/IR/Mangler.h"
+#if LLVM_VERSION_GE(16, 0)
+#include "llvm/IR/ModRef.h"
+#endif
#include "llvm/Object/Archive.h"
#include "llvm/Object/COFFImportFile.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Pass.h"
-#include "llvm/Bitcode/BitcodeWriterPass.h"
+#include "llvm/Bitcode/BitcodeWriter.h"
#include "llvm/Support/Signals.h"
#include "llvm/ADT/Optional.h"
return Attribute::ReturnsTwice;
case ReadNone:
return Attribute::ReadNone;
- case InaccessibleMemOnly:
- return Attribute::InaccessibleMemOnly;
case SanitizeHWAddress:
return Attribute::SanitizeHWAddress;
case WillReturn:
#endif
}
+// Simplified representation of `MemoryEffects` across the FFI boundary.
+//
+// Each variant corresponds to one of the static factory methods on `MemoryEffects`.
+enum class LLVMRustMemoryEffects {
+ None,
+ ReadOnly,
+ InaccessibleMemOnly,
+};
+
+extern "C" LLVMAttributeRef LLVMRustCreateMemoryEffectsAttr(LLVMContextRef C,
+ LLVMRustMemoryEffects Effects) {
+#if LLVM_VERSION_GE(16, 0)
+ switch (Effects) {
+ case LLVMRustMemoryEffects::None:
+ return wrap(Attribute::getWithMemoryEffects(*unwrap(C), MemoryEffects::none()));
+ case LLVMRustMemoryEffects::ReadOnly:
+ return wrap(Attribute::getWithMemoryEffects(*unwrap(C), MemoryEffects::readOnly()));
+ case LLVMRustMemoryEffects::InaccessibleMemOnly:
+ return wrap(Attribute::getWithMemoryEffects(*unwrap(C),
+ MemoryEffects::inaccessibleMemOnly()));
+ default:
+ report_fatal_error("bad MemoryEffects.");
+ }
+#else
+ switch (Effects) {
+ case LLVMRustMemoryEffects::None:
+ return wrap(Attribute::get(*unwrap(C), Attribute::ReadNone));
+ case LLVMRustMemoryEffects::ReadOnly:
+ return wrap(Attribute::get(*unwrap(C), Attribute::ReadOnly));
+ case LLVMRustMemoryEffects::InaccessibleMemOnly:
+ return wrap(Attribute::get(*unwrap(C), Attribute::InaccessibleMemOnly));
+ default:
+ report_fatal_error("bad MemoryEffects.");
+ }
+#endif
+}
+
// Enable a fast-math flag
//
// https://llvm.org/docs/LangRef.html#fast-math-flags
auto Ret = std::make_unique<LLVMRustModuleBuffer>();
{
raw_string_ostream OS(Ret->data);
- {
- legacy::PassManager PM;
- PM.add(createBitcodeWriterPass(OS));
- PM.run(*unwrap(M));
- }
+ WriteBitcodeToFile(*unwrap(M), OS);
}
return Ret.release();
}