From 18a171f34c5033d360f3c7e8a9813f09a04d6ed8 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 2 Dec 2002 21:22:04 +0000
Subject: Add initial support for machine code emission

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4865 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/jello/jello.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'tools')

diff --git a/tools/jello/jello.cpp b/tools/jello/jello.cpp
index 01b2eb9..aaf115a 100644
--- a/tools/jello/jello.cpp
+++ b/tools/jello/jello.cpp
@@ -16,6 +16,15 @@
 #include "Support/CommandLine.h"
 #include "Support/Statistic.h"
 
+
+#include "llvm/CodeGen/MachineCodeEmitter.h"
+
+struct JelloMachineCodeEmitter : public MachineCodeEmitter {
+
+
+};
+
+
 namespace {
   cl::opt<std::string>
   InputFile(cl::desc("<input bytecode>"), cl::Positional, cl::init("-"));
@@ -48,12 +57,24 @@ int main(int argc, char **argv) {
   }
 
   PassManager Passes;
+
+  // Compile LLVM Code down to machine code in the intermediate representation
   if (Target.addPassesToJITCompile(Passes)) {
     std::cerr << argv[0] << ": target '" << Target.getName()
               << "' doesn't support JIT compilation!\n";
     return 1;
   }
 
+  // Turn the machine code intermediate representation into bytes in memory that
+  // may be executed.
+  //
+  JelloMachineCodeEmitter MCE;
+  if (Target.addPassesToEmitMachineCode(Passes, MCE)) {
+    std::cerr << argv[0] << ": target '" << Target.getName()
+              << "' doesn't support machine code emission!\n";
+    return 1;
+  }
+
   // JIT all of the methods in the module.  Eventually this will JIT functions
   // on demand.
   Passes.run(*M.get());
-- 
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