From a7916f586d438b0e626e54ce713435437c4b901c Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 5 Nov 2008 23:44:08 +0000
Subject: [PATCH] Undo 58778 but makes the binary dump prettier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58782 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/ExecutionEngine/JIT/JITEmitter.cpp | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/lib/ExecutionEngine/JIT/JITEmitter.cpp b/lib/ExecutionEngine/JIT/JITEmitter.cpp
index 98822c8c9a3..0732806b6ac 100644
--- a/lib/ExecutionEngine/JIT/JITEmitter.cpp
+++ b/lib/ExecutionEngine/JIT/JITEmitter.cpp
@@ -38,6 +38,9 @@
 #include "llvm/ADT/Statistic.h"
 #include <algorithm>
 #include <set>
+#ifndef NDEBUG
+#include <iomanip>
+#endif
 using namespace llvm;
 
 STATISTIC(NumBytes, "Number of bytes of machine code compiled");
@@ -954,9 +957,24 @@ bool JITEmitter::finishFunction(MachineFunction &F) {
   MemMgr->setMemoryExecutable();
 
 #ifndef NDEBUG
-  if (sys::hasDisassembler())
-    DOUT << "Disassembled code:\n"
-         << sys::disassembleBuffer(FnStart, FnEnd-FnStart, (uintptr_t)FnStart);
+  {
+    if (sys::hasDisassembler())
+      DOUT << "Disassembled code:\n"
+           << sys::disassembleBuffer(FnStart, FnEnd-FnStart, (uintptr_t)FnStart);
+    else {
+      DOUT << std::hex;
+      int i;
+      unsigned char* q = FnStart;
+      for (i=1; q!=FnEnd; q++, i++) {
+        if (i%8==1)
+          DOUT << "0x" << (long)q << ": ";
+        DOUT<< std::setw(2) << std::setfill('0') << (unsigned short)*q << " ";
+        if (i%8==0)
+          DOUT<<"\n";
+      }
+      DOUT << std::dec;
+    }
+  }
 #endif
   if (ExceptionHandling) {
     uintptr_t ActualSize = 0;