diff --git a/gen/functions.cpp b/gen/functions.cpp
index 82bb67e7..97d4d774 100644
--- a/gen/functions.cpp
+++ b/gen/functions.cpp
@@ -57,7 +57,11 @@ llvm::FunctionType* DtoFunctionType(Type* type, Type* thistype, Type* nesttype,
     else
     {
         Type* rt = f->next;
+#if LDC_LLVM_VER == 300
         unsigned a = 0;
+#else
+        llvm::Attributes a = None;
+#endif
         // sret return
         if (abi->returnInArg(f))
         {
@@ -73,8 +77,13 @@ llvm::FunctionType* DtoFunctionType(Type* type, Type* thistype, Type* nesttype,
             if (f->isref)
                 t = t->pointerTo();
 #endif
+#if LDC_LLVM_VER == 300
             if (unsigned se = DtoShouldExtend(t))
                 a = se;
+#else
+            if (llvm::Attributes atts = DtoShouldExtend(t))
+                a = atts;
+#endif
         }
 #if DMDV2
         fty.ret = new IrFuncTyArg(rt, f->isref, a);
@@ -148,7 +157,11 @@ llvm::FunctionType* DtoFunctionType(Type* type, Type* thistype, Type* nesttype,
 #endif
 
         Type* argtype = arg->type;
+#if LDC_LLVM_VER == 300
         unsigned a = 0;
+#else
+        llvm::Attributes a = None;
+#endif
 
         // handle lazy args
         if (arg->storageClass & STClazy)
@@ -411,7 +424,11 @@ static void set_param_attrs(TypeFunction* f, llvm::Function* func, FuncDeclarati
 
     // set attrs on the rest of the arguments
     size_t n = Parameter::dim(f->parameters);
-    LLSmallVector<unsigned,8> attrptr(n, 0);
+#if LDC_LLVM_VER == 300
+    LLSmallVector<unsigned, 8> attrptr(n, 0);
+#else
+    LLSmallVector<llvm::Attributes, 8> attrptr(n, None);
+#endif
 
     for (size_t k = 0; k < n; ++k)
     {
diff --git a/gen/tocall.cpp b/gen/tocall.cpp
index 6738b0e1..79f12fc8 100644
--- a/gen/tocall.cpp
+++ b/gen/tocall.cpp
@@ -277,7 +277,11 @@ void DtoBuildDVarArgList(std::vector<LLValue*>& args,
     llvm::AttributeWithIndex Attr;
     // specify arguments
     args.push_back(DtoLoad(typeinfoarrayparam));
+#if LDC_LLVM_VER == 300
     if (unsigned atts = tf->fty.arg_arguments->attrs) {
+#else
+    if (llvm::Attributes atts = tf->fty.arg_arguments->attrs) {
+#endif
         Attr.Index = argidx;
         Attr.Attrs = atts;
         attrs.push_back(Attr);
@@ -285,7 +289,11 @@ void DtoBuildDVarArgList(std::vector<LLValue*>& args,
     ++argidx;
 
     args.push_back(gIR->ir->CreateBitCast(mem, getPtrToType(LLType::getInt8Ty(gIR->context())), "tmp"));
+#if LDC_LLVM_VER == 300
     if (unsigned atts = tf->fty.arg_argptr->attrs) {
+#else
+    if (llvm::Attributes atts = tf->fty.arg_argptr->attrs) {
+#endif
         Attr.Index = argidx;
         Attr.Attrs = atts;
         attrs.push_back(Attr);
@@ -498,7 +506,11 @@ DValue* DtoCallFunction(Loc& loc, Type* resulttype, DValue* fnval, Expressions*
 
         size_t n = Parameter::dim(tf->parameters);
 
+#if LDC_LLVM_VER == 300
         LLSmallVector<unsigned, 10> attrptr(n, 0);
+#else
+        LLSmallVector<llvm::Attributes, 10> attrptr(n, llvm::Attribute::None);
+#endif
 
         std::vector<DValue*> argvals;
         if (dfnval && dfnval->func->isArrayOp) {
diff --git a/gen/todebug.cpp b/gen/todebug.cpp
index efb41155..3f8618ca 100644
--- a/gen/todebug.cpp
+++ b/gen/todebug.cpp
@@ -2,7 +2,11 @@
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/Support/Dwarf.h"
 #include "llvm/Support/FileSystem.h"
+#if LDC_LLVM_VER == 300
 #include "llvm/Support/PathV2.h"
+#else
+#include "llvm/Support/Path.h"
+#endif
 
 #include "declaration.h"
 #include "module.h"
@@ -480,6 +484,9 @@ llvm::DISubprogram DtoDwarfSubProgram(FuncDeclaration* fd)
         dwarfTypeDescription(retType, NULL), // type
         fd->protection == PROTprivate, // is local to unit
         gIR->dmodule == getDefinedModule(fd), // isdefinition
+#if LDC_LLVM_VER >= 301
+        fd->loc.linnum, // FIXME: scope line
+#endif
         0, // Flags
         false, // isOptimized
         fd->ir.irFunc->func
@@ -508,6 +515,9 @@ llvm::DISubprogram DtoDwarfSubProgramInternal(const char* prettyname, const char
         llvm::DIType(NULL), // return type. TODO: fill it up
         true, // is local to unit
         true // isdefinition
+#if LDC_LLVM_VER >= 301
+        , 0 // FIXME: scope line
+#endif
     );
 }