commit ccb21e4f2b2a705dce4f2d82e615dce5aa6cdedb
author Evan Cheng <evan.cheng@apple.com> Tue Jul 26 01:49:26 2011 +0000
committer Evan Cheng <evan.cheng@apple.com> Tue Jul 26 01:49:26 2011 +0000
tree 777a2e538849b33504ea2045f9b6666a3ca72154
parent 22f7bb7e7742bd65e903ef4c4a738d9e01e5d08c

Assembler really doesn't need to create TargetMachine anymore.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136045 91177308-0d34-0410-b5e6-96231b3b80d8

tools/driver/cc1as_main.cpp

diff --git a/tools/driver/cc1as_main.cpp b/tools/driver/cc1as_main.cpp
index f6f95cb..a33fecc 100644
--- a/tools/driver/cc1as_main.cpp
+++ b/tools/driver/cc1as_main.cpp
@@ -50,13 +50,8 @@
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/system_error.h"
 #include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegistry.h"
 #include "llvm/Target/TargetSelect.h"
-#include "llvm/Target/TargetSubtargetInfo.h"
 using namespace clang;
 using namespace clang::driver;
 using namespace llvm;
@@ -268,14 +263,6 @@
   if (!Out)
     return false;
 
-  // FIXME: We shouldn't need to do this (and link in codegen).
-  OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(Opts.Triple,
-                                                             "", ""));
-  if (!TM) {
-    Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
-    return false;
-  }
-
   // FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
   // MCObjectFileInfo needs a MCContext reference in order to initialize itself.
   OwningPtr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
@@ -288,11 +275,9 @@
 
   OwningPtr<MCStreamer> Str;
 
-  const TargetLoweringObjectFile &TLOF =
-    TM->getTargetLowering()->getObjFileLowering();
-  const_cast<TargetLoweringObjectFile&>(TLOF).Initialize(Ctx, *TM);
-
-  const MCSubtargetInfo &STI = TM->getSubtarget<MCSubtargetInfo>();
+  OwningPtr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
+  OwningPtr<MCSubtargetInfo>
+    STI(TheTarget->createMCSubtargetInfo(Opts.Triple, "", ""));
 
   // FIXME: There is a bit of code duplication with addPassesToEmitFile.
   if (Opts.OutputType == AssemblerInvocation::FT_Asm) {
@@ -301,7 +286,7 @@
     MCCodeEmitter *CE = 0;
     MCAsmBackend *MAB = 0;
     if (Opts.ShowEncoding) {
-      CE = TheTarget->createMCCodeEmitter(*TM->getInstrInfo(), STI, Ctx);
+      CE = TheTarget->createMCCodeEmitter(*MCII, *STI, Ctx);
       MAB = TheTarget->createMCAsmBackend(Opts.Triple);
     }
     Str.reset(TheTarget->createAsmStreamer(Ctx, *Out, /*asmverbose*/true,
@@ -313,8 +298,7 @@
   } else {
     assert(Opts.OutputType == AssemblerInvocation::FT_Obj &&
            "Invalid file type!");
-    MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*TM->getInstrInfo(),
-                                                       STI, Ctx);
+    MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *STI, Ctx);
     MCAsmBackend *MAB = TheTarget->createMCAsmBackend(Opts.Triple);
     Str.reset(TheTarget->createMCObjectStreamer(Opts.Triple, Ctx, *MAB, *Out,
                                                 CE, Opts.RelaxAll,
@@ -324,9 +308,7 @@
 
   OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx,
                                                   *Str.get(), *MAI));
-  OwningPtr<MCTargetAsmParser>
-    TAP(TheTarget->createMCAsmParser(const_cast<MCSubtargetInfo&>(STI),
-                                     *Parser));
+  OwningPtr<MCTargetAsmParser> TAP(TheTarget->createMCAsmParser(*STI, *Parser));
   if (!TAP) {
     Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
     return false;