Fix a bunch of Doxygen syntax issues. Escape special characters,
and put @file directives on their own comment line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65920 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index cc0efa8..57a2697 100644
--- a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -657,7 +657,7 @@
 }
 
 /// PrintUnmangledNameSafely - Print out the printable characters in the name.
-/// Don't print things like \n or \0.
+/// Don't print things like \\n or \\0.
 static void PrintUnmangledNameSafely(const Value *V, raw_ostream &OS) {
   for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
        Name != E; ++Name)
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 01f175b..6647d79 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -467,9 +467,9 @@
 /// lowerDynamicAlloc - Generate the code for allocating an object in the
 /// current frame.  The sequence of code with be in the general form
 ///
-///   addi   R0, SP, #frameSize ; get the address of the previous frame
+///   addi   R0, SP, \#frameSize ; get the address of the previous frame
 ///   stwxu  R0, SP, Rnegsize   ; add and update the SP with the negated size
-///   addi   Rnew, SP, #maxCalFrameSize ; get the top of the allocation
+///   addi   Rnew, SP, \#maxCalFrameSize ; get the top of the allocation
 ///
 void PPCRegisterInfo::lowerDynamicAlloc(MachineBasicBlock::iterator II,
                                         int SPAdj, RegScavenger *RS) const {