1 files changed, 12 insertions, 16 deletions
diff --git a/tools/driver/cc1as_main.cpp b/tools/driver/cc1as_main.cpp
index 59b7af521743..2d17be99e2d5 100644
--- a/tools/driver/cc1as_main.cpp
+++ b/tools/driver/cc1as_main.cpp
@@ -30,10 +30,10 @@
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
+#include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCTargetAsmParser.h"
 #include "llvm/MC/MCTargetOptions.h"
 #include "llvm/Option/Arg.h"
 #include "llvm/Option/ArgList.h"
@@ -43,10 +43,8 @@
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/FormattedStream.h"
 #include "llvm/Support/Host.h"
-#include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Path.h"
-#include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/TargetRegistry.h"
@@ -88,6 +86,7 @@ struct AssemblerInvocation {
   unsigned SaveTemporaryLabels : 1;
   unsigned GenDwarfForAssembly : 1;
   unsigned CompressDebugSections : 1;
+  unsigned RelaxELFRelocations : 1;
   unsigned DwarfVersion;
   std::string DwarfDebugFlags;
   std::string DwarfDebugProducer;
@@ -200,7 +199,8 @@ bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
   // Any DebugInfoKind implies GenDwarfForAssembly.
   Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
   Opts.CompressDebugSections = Args.hasArg(OPT_compress_debug_sections);
-  Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 0, Diags);
+  Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
+  Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
   Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
   Opts.DwarfDebugProducer = Args.getLastArgValue(OPT_dwarf_debug_producer);
   Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
@@ -313,7 +313,9 @@ static bool ExecuteAssembler(AssemblerInvocation &Opts,
   // Ensure MCAsmInfo initialization occurs before any use, otherwise sections
   // may be created with a combination of default and explicit settings.
   if (Opts.CompressDebugSections)
-    MAI->setCompressDebugSections(true);
+    MAI->setCompressDebugSections(DebugCompressionType::DCT_ZlibGnu);
+
+  MAI->setRelaxELFRelocations(Opts.RelaxELFRelocations);
 
   bool IsBinary = Opts.OutputType == AssemblerInvocation::FT_Obj;
   std::unique_ptr<raw_fd_ostream> FDOS = getOutputStream(Opts, Diags, IsBinary);
@@ -326,19 +328,18 @@ static bool ExecuteAssembler(AssemblerInvocation &Opts,
 
   MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr);
 
-  llvm::Reloc::Model RM = llvm::Reloc::Default;
+  bool PIC = false;
   if (Opts.RelocationModel == "static") {
-    RM = llvm::Reloc::Static;
+    PIC = false;
   } else if (Opts.RelocationModel == "pic") {
-    RM = llvm::Reloc::PIC_;
+    PIC = true;
   } else {
     assert(Opts.RelocationModel == "dynamic-no-pic" &&
            "Invalid PIC model!");
-    RM = llvm::Reloc::DynamicNoPIC;
+    PIC = false;
   }
 
-  MOFI->InitMCObjectFileInfo(Triple(Opts.Triple), RM,
-                             CodeModel::Default, Ctx);
+  MOFI->InitMCObjectFileInfo(Triple(Opts.Triple), PIC, CodeModel::Default, Ctx);
   if (Opts.SaveTemporaryLabels)
     Ctx.setAllowTemporaryLabels(false);
   if (Opts.GenDwarfForAssembly)
@@ -447,11 +448,6 @@ static void LLVMErrorHandler(void *UserData, const std::string &Message,
 }
 
 int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  // Print a stack trace if we signal out.
-  sys::PrintStackTraceOnErrorSignal();
-  PrettyStackTraceProgram X(Argv.size(), Argv.data());
-  llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
-
   // Initialize targets and assembly printers/parsers.
   InitializeAllTargetInfos();
   InitializeAllTargetMCs();