Merge pull request #1 from rust-lang/master

update from upstream

1 files changed, 31 insertions, 27 deletions

diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp
index 799adb41882..b988d06871b 100644
--- a/src/rustllvm/RustWrapper.cpp
+++ b/src/rustllvm/RustWrapper.cpp
@@ -203,6 +203,10 @@ static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
     return Attribute::OptimizeNone;
   case ReturnsTwice:
     return Attribute::ReturnsTwice;
+  case ReadNone:
+    return Attribute::ReadNone;
+  case InaccessibleMemOnly:
+    return Attribute::InaccessibleMemOnly;
   }
   report_fatal_error("bad AttributeKind");
 }
@@ -586,7 +590,6 @@ inline LLVMRustDISPFlags virtuality(LLVMRustDISPFlags F) {
   return static_cast<LLVMRustDISPFlags>(static_cast<uint32_t>(F) & 0x3);
 }
 
-#if LLVM_VERSION_GE(8, 0)
 static DISubprogram::DISPFlags fromRust(LLVMRustDISPFlags SPFlags) {
   DISubprogram::DISPFlags Result = DISubprogram::DISPFlags::SPFlagZero;
 
@@ -619,7 +622,6 @@ static DISubprogram::DISPFlags fromRust(LLVMRustDISPFlags SPFlags) {
 
   return Result;
 }
-#endif
 
 enum class LLVMRustDebugEmissionKind {
   NoDebug,
@@ -640,6 +642,25 @@ static DICompileUnit::DebugEmissionKind fromRust(LLVMRustDebugEmissionKind Kind)
   }
 }
 
+enum class LLVMRustChecksumKind {
+  None,
+  MD5,
+  SHA1,
+};
+
+static Optional<DIFile::ChecksumKind> fromRust(LLVMRustChecksumKind Kind) {
+  switch (Kind) {
+  case LLVMRustChecksumKind::None:
+    return None;
+  case LLVMRustChecksumKind::MD5:
+    return DIFile::ChecksumKind::CSK_MD5;
+  case LLVMRustChecksumKind::SHA1:
+    return DIFile::ChecksumKind::CSK_SHA1;
+  default:
+    report_fatal_error("bad ChecksumKind.");
+  }
+}
+
 extern "C" uint32_t LLVMRustDebugMetadataVersion() {
   return DEBUG_METADATA_VERSION;
 }
@@ -686,9 +707,15 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateCompileUnit(
 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFile(
     LLVMRustDIBuilderRef Builder,
     const char *Filename, size_t FilenameLen,
-    const char *Directory, size_t DirectoryLen) {
+    const char *Directory, size_t DirectoryLen, LLVMRustChecksumKind CSKind,
+    const char *Checksum, size_t ChecksumLen) {
+  Optional<DIFile::ChecksumKind> llvmCSKind = fromRust(CSKind);
+  Optional<DIFile::ChecksumInfo<StringRef>> CSInfo{};
+  if (llvmCSKind)
+    CSInfo.emplace(*llvmCSKind, StringRef{Checksum, ChecksumLen});
   return wrap(Builder->createFile(StringRef(Filename, FilenameLen),
-                                  StringRef(Directory, DirectoryLen)));
+                                  StringRef(Directory, DirectoryLen),
+                                  CSInfo));
 }
 
 extern "C" LLVMMetadataRef
@@ -709,7 +736,6 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFunction(
     LLVMMetadataRef Decl) {
   DITemplateParameterArray TParams =
       DITemplateParameterArray(unwrap<MDTuple>(TParam));
-#if LLVM_VERSION_GE(8, 0)
   DISubprogram::DISPFlags llvmSPFlags = fromRust(SPFlags);
   DINode::DIFlags llvmFlags = fromRust(Flags);
 #if LLVM_VERSION_LT(9, 0)
@@ -723,22 +749,6 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFunction(
       unwrapDI<DIFile>(File), LineNo,
       unwrapDI<DISubroutineType>(Ty), ScopeLine, llvmFlags,
       llvmSPFlags, TParams, unwrapDIPtr<DISubprogram>(Decl));
-#else
-  bool IsLocalToUnit = isSet(SPFlags & LLVMRustDISPFlags::SPFlagLocalToUnit);
-  bool IsDefinition = isSet(SPFlags & LLVMRustDISPFlags::SPFlagDefinition);
-  bool IsOptimized = isSet(SPFlags & LLVMRustDISPFlags::SPFlagOptimized);
-  DINode::DIFlags llvmFlags = fromRust(Flags);
-  if (isSet(SPFlags & LLVMRustDISPFlags::SPFlagMainSubprogram))
-    llvmFlags |= DINode::DIFlags::FlagMainSubprogram;
-  DISubprogram *Sub = Builder->createFunction(
-      unwrapDI<DIScope>(Scope),
-      StringRef(Name, NameLen),
-      StringRef(LinkageName, LinkageNameLen),
-      unwrapDI<DIFile>(File), LineNo,
-      unwrapDI<DISubroutineType>(Ty), IsLocalToUnit, IsDefinition,
-      ScopeLine, llvmFlags, IsOptimized, TParams,
-      unwrapDIPtr<DISubprogram>(Decl));
-#endif
   unwrap<Function>(Fn)->setSubprogram(Sub);
   return wrap(Sub);
 }
@@ -859,9 +869,7 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable(
       /* isDefined */ true,
 #endif
       InitExpr, unwrapDIPtr<MDNode>(Decl),
-#if LLVM_VERSION_GE(8, 0)
       /* templateParams */ nullptr,
-#endif
       AlignInBits);
 
   InitVal->setMetadata("dbg", VarExpr);
@@ -1082,11 +1090,7 @@ extern "C" void LLVMRustUnpackOptimizationDiagnostic(
   if (loc.isValid()) {
     *Line = loc.getLine();
     *Column = loc.getColumn();
-#if LLVM_VERSION_GE(8, 0)
     FilenameOS << loc.getAbsolutePath();
-#else
-    FilenameOS << loc.getFilename();
-#endif
   }
 
   RawRustStringOstream MessageOS(MessageOut);