Adds extern "C" ints to the .cpp files that use RegisterTarget, as

well as 2 files that use "Registrator"s. These are to be used by the
MSVC builds, as the Win32 linker does not include libs that are
otherwise unreferenced, even if global constructors in the lib have
side-effects.

Patch by Scott Graham!

llvm-svn: 59378

2 files changed, 11 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index 6c17dbece07..3043b0098b4 100644
--- a/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -1112,3 +1112,6 @@ namespace {
     }
   } Registrator;
 }
+
+extern "C" int PowerPCAsmPrinterForceLink;
+int PowerPCAsmPrinterForceLink = 0;
diff --git a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
index 22b459cb748..0ff65d2a0d3 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -21,6 +21,14 @@
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
+/// PowerPCTargetMachineModule - Note that this is used on hosts that
+/// cannot link in a library unless there are references into the
+/// library.  In particular, it seems that it is not possible to get
+/// things to work on Win32 without this.  Though it is unused, do not
+/// remove it.
+extern "C" int PowerPCTargetMachineModule;
+int PowerPCTargetMachineModule = 0;
+
 // Register the targets
 static RegisterTarget<PPC32TargetMachine>
 X("ppc32", "PowerPC 32");