diff --git a/clang/tools/driver/cc1as_main.cpp b/clang/tools/driver/cc1as_main.cpp
--- a/clang/tools/driver/cc1as_main.cpp
+++ b/clang/tools/driver/cc1as_main.cpp
@@ -342,7 +342,7 @@
     return Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
 
   ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
-      MemoryBuffer::getFileOrSTDIN(Opts.InputFile);
+      MemoryBuffer::getFileOrSTDIN(Opts.InputFile, /*IsText=*/true);
 
   if (std::error_code EC = Buffer.getError()) {
     Error = EC.message();
diff --git a/llvm/lib/AsmParser/Parser.cpp b/llvm/lib/AsmParser/Parser.cpp
--- a/llvm/lib/AsmParser/Parser.cpp
+++ b/llvm/lib/AsmParser/Parser.cpp
@@ -104,7 +104,7 @@
                            bool UpgradeDebugInfo,
                            DataLayoutCallbackTy DataLayoutCallback) {
   ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
-      MemoryBuffer::getFileOrSTDIN(Filename);
+      MemoryBuffer::getFileOrSTDIN(Filename, /*IsText=*/true);
   if (std::error_code EC = FileOrErr.getError()) {
     Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
                        "Could not open input file: " + EC.message());
diff --git a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
--- a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
@@ -984,7 +984,7 @@
 std::unique_ptr<MIRParser> llvm::createMIRParserFromFile(
     StringRef Filename, SMDiagnostic &Error, LLVMContext &Context,
     std::function<void(Function &)> ProcessIRFunction) {
-  auto FileOrErr = MemoryBuffer::getFileOrSTDIN(Filename);
+  auto FileOrErr = MemoryBuffer::getFileOrSTDIN(Filename, /*IsText=*/true);
   if (std::error_code EC = FileOrErr.getError()) {
     Error = SMDiagnostic(Filename, SourceMgr::DK_Error,
                          "Could not open input file: " + EC.message());
diff --git a/llvm/lib/ProfileData/InstrProfReader.cpp b/llvm/lib/ProfileData/InstrProfReader.cpp
--- a/llvm/lib/ProfileData/InstrProfReader.cpp
+++ b/llvm/lib/ProfileData/InstrProfReader.cpp
@@ -41,7 +41,7 @@
 static Expected<std::unique_ptr<MemoryBuffer>>
 setupMemoryBuffer(const Twine &Path) {
   ErrorOr<std::unique_ptr<MemoryBuffer>> BufferOrErr =
-      MemoryBuffer::getFileOrSTDIN(Path);
+      MemoryBuffer::getFileOrSTDIN(Path, /*IsText=*/true);
   if (std::error_code EC = BufferOrErr.getError())
     return errorCodeToError(EC);
   return std::move(BufferOrErr.get());
diff --git a/llvm/lib/ProfileData/SampleProfReader.cpp b/llvm/lib/ProfileData/SampleProfReader.cpp
--- a/llvm/lib/ProfileData/SampleProfReader.cpp
+++ b/llvm/lib/ProfileData/SampleProfReader.cpp
@@ -1575,7 +1575,7 @@
 /// \returns an error code indicating the status of the buffer.
 static ErrorOr<std::unique_ptr<MemoryBuffer>>
 setupMemoryBuffer(const Twine &Filename) {
-  auto BufferOrErr = MemoryBuffer::getFileOrSTDIN(Filename);
+  auto BufferOrErr = MemoryBuffer::getFileOrSTDIN(Filename, /*IsText=*/true);
   if (std::error_code EC = BufferOrErr.getError())
     return EC;
   auto Buffer = std::move(BufferOrErr.get());
diff --git a/llvm/lib/Testing/Support/SupportHelpers.cpp b/llvm/lib/Testing/Support/SupportHelpers.cpp
--- a/llvm/lib/Testing/Support/SupportHelpers.cpp
+++ b/llvm/lib/Testing/Support/SupportHelpers.cpp
@@ -40,7 +40,7 @@
 
   EXPECT_TRUE(Found) << "Unit test source directory file does not exist.";
 
-  auto File = MemoryBuffer::getFile(InputFilePath);
+  auto File = MemoryBuffer::getFile(InputFilePath, /*IsText=*/true);
 
   EXPECT_TRUE(static_cast<bool>(File))
       << "Could not open unit test source directory file.";
diff --git a/llvm/tools/llvm-exegesis/lib/BenchmarkResult.cpp b/llvm/tools/llvm-exegesis/lib/BenchmarkResult.cpp
--- a/llvm/tools/llvm-exegesis/lib/BenchmarkResult.cpp
+++ b/llvm/tools/llvm-exegesis/lib/BenchmarkResult.cpp
@@ -334,7 +334,7 @@
 Expected<InstructionBenchmark>
 InstructionBenchmark::readYaml(const LLVMState &State, StringRef Filename) {
   if (auto ExpectedMemoryBuffer =
-          errorOrToExpected(MemoryBuffer::getFile(Filename))) {
+          errorOrToExpected(MemoryBuffer::getFile(Filename, /*IsText=*/true))) {
     yaml::Input Yin(*ExpectedMemoryBuffer.get());
     YamlContext Context(State);
     InstructionBenchmark Benchmark;
@@ -351,7 +351,7 @@
 Expected<std::vector<InstructionBenchmark>>
 InstructionBenchmark::readYamls(const LLVMState &State, StringRef Filename) {
   if (auto ExpectedMemoryBuffer =
-          errorOrToExpected(MemoryBuffer::getFile(Filename))) {
+          errorOrToExpected(MemoryBuffer::getFile(Filename, /*IsText=*/true))) {
     yaml::Input Yin(*ExpectedMemoryBuffer.get());
     YamlContext Context(State);
     std::vector<InstructionBenchmark> Benchmarks;
diff --git a/llvm/tools/llvm-ifs/llvm-ifs.cpp b/llvm/tools/llvm-ifs/llvm-ifs.cpp
--- a/llvm/tools/llvm-ifs/llvm-ifs.cpp
+++ b/llvm/tools/llvm-ifs/llvm-ifs.cpp
@@ -182,7 +182,7 @@
 static Expected<std::unique_ptr<IFSStub>> readInputFile(StringRef FilePath) {
   // Read in file.
   ErrorOr<std::unique_ptr<MemoryBuffer>> BufOrError =
-      MemoryBuffer::getFileOrSTDIN(FilePath);
+      MemoryBuffer::getFileOrSTDIN(FilePath, /*IsText=*/true);
   if (!BufOrError)
     return createStringError(BufOrError.getError(), "Could not open `%s`",
                              FilePath.data());
diff --git a/llvm/tools/llvm-mc/llvm-mc.cpp b/llvm/tools/llvm-mc/llvm-mc.cpp
--- a/llvm/tools/llvm-mc/llvm-mc.cpp
+++ b/llvm/tools/llvm-mc/llvm-mc.cpp
@@ -343,7 +343,7 @@
   Triple TheTriple(TripleName);
 
   ErrorOr<std::unique_ptr<MemoryBuffer>> BufferPtr =
-      MemoryBuffer::getFileOrSTDIN(InputFilename);
+      MemoryBuffer::getFileOrSTDIN(InputFilename, /*IsText=*/true);
   if (std::error_code EC = BufferPtr.getError()) {
     WithColor::error(errs(), ProgName)
         << InputFilename << ": " << EC.message() << '\n';