rustllvm: Update to LLVM trunk

Author: sanxiyn

src/rustllvm/ArchiveWrapper.cpp

@@ -163,12 +163,20 @@ LLVMRustWriteArchive(char *Dst,
     auto Member = NewMembers[i];
     assert(Member->name);
     if (Member->filename) {
+#if LLVM_VERSION_MINOR >= 8
+      Members.push_back(NewArchiveIterator(Member->filename));
+#else
       Members.push_back(NewArchiveIterator(Member->filename, Member->name));
+#endif
     } else {
       Members.push_back(NewArchiveIterator(Member->child, Member->name));
     }
   }
+#if LLVM_VERSION_MINOR >= 8
+  auto pair = writeArchive(Dst, Members, WriteSymbtab, Kind, true, false);
+#else
   auto pair = writeArchive(Dst, Members, WriteSymbtab, Kind, true);
+#endif
   if (!pair.second)
     return 0;
   LLVMRustSetLastError(pair.second.message().c_str());

src/rustllvm/PassWrapper.cpp

@@ -49,7 +49,9 @@ LLVMInitializePasses() {
   initializeVectorization(Registry);
   initializeIPO(Registry);
   initializeAnalysis(Registry);
+#if LLVM_VERSION_MINOR <= 7
   initializeIPA(Registry);
+#endif
   initializeTransformUtils(Registry);
   initializeInstCombine(Registry);
   initializeInstrumentation(Registry);

src/rustllvm/RustWrapper.cpp

@@ -320,7 +320,9 @@ extern "C" LLVMMetadataRef LLVMDIBuilderCreateSubroutineType(
     LLVMMetadataRef File,
     LLVMMetadataRef ParameterTypes) {
     return wrap(Builder->createSubroutineType(
+#if LLVM_VERSION_MINOR <= 7
         unwrapDI<DIFile>(File),
+#endif
 #if LLVM_VERSION_MINOR >= 7
         DITypeRefArray(unwrap<MDTuple>(ParameterTypes))));
 #elif LLVM_VERSION_MINOR >= 6
@@ -502,11 +504,27 @@ extern "C" LLVMMetadataRef LLVMDIBuilderCreateVariable(
         ));
     }
 #endif
+#if LLVM_VERSION_MINOR >= 8
+    if (Tag == 0x100) { // DW_TAG_auto_variable
+        return wrap(Builder->createAutoVariable(
+            unwrapDI<DIDescriptor>(Scope), Name,
+            unwrapDI<DIFile>(File),
+            LineNo,
+            unwrapDI<DIType>(Ty), AlwaysPreserve, Flags));
+    } else {
+        return wrap(Builder->createParameterVariable(
+            unwrapDI<DIDescriptor>(Scope), Name, ArgNo,
+            unwrapDI<DIFile>(File),
+            LineNo,
+            unwrapDI<DIType>(Ty), AlwaysPreserve, Flags));
+    }
+#else
     return wrap(Builder->createLocalVariable(Tag,
         unwrapDI<DIDescriptor>(Scope), Name,
         unwrapDI<DIFile>(File),
         LineNo,
         unwrapDI<DIType>(Ty), AlwaysPreserve, Flags, ArgNo));
+#endif
 }
 
 extern "C" LLVMMetadataRef LLVMDIBuilderCreateArrayType(