Change createAsmParser to take a MCSubtargetInfo instead of triple,

CPU, and feature string. Parsing some asm directives can change
subtarget state (e.g. .code 16) and it must be reflected in other
modules (e.g. MCCodeEmitter). That is, the MCSubtargetInfo instance
must be shared.

llvm-svn: 134795

1 files changed, 13 insertions, 0 deletions

diff --git a/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp b/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
index f20010b2b2b..f6707f9a20d 100644
--- a/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
@@ -15,6 +15,7 @@
 #include "SystemZ.h"
 #include "llvm/GlobalValue.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetRegistry.h"
 
 #define GET_SUBTARGETINFO_ENUM
 #define GET_SUBTARGETINFO_MC_DESC
@@ -53,3 +54,15 @@ bool SystemZSubtarget::GVRequiresExtraLoad(const GlobalValue* GV,
 
   return false;
 }
+
+MCSubtargetInfo *createSystemZMCSubtargetInfo(StringRef TT, StringRef CPU,
+                                              StringRef FS) {
+  MCSubtargetInfo *X = new MCSubtargetInfo();
+  InitSystemZMCSubtargetInfo(X, CPU, FS);
+  return X;
+}
+
+extern "C" void LLVMInitializeSystemZMCSubtargetInfo() {
+  TargetRegistry::RegisterMCSubtargetInfo(TheSystemZTarget,
+                                          createSystemZMCSubtargetInfo);
+}