[ms-inline asm] Rename EmitGCCAsmStmt to EmitAsmStmt and have it accept 
AsmStmts.  This function is only used by GCCAsmStmts, however. Constraints need
to be properly computed before MSAsmStmts can use EmitAsmStmt.  No functional
change intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162776 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 646d820..4e8d857 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -132,7 +132,7 @@
   case Stmt::ReturnStmtClass:   EmitReturnStmt(cast<ReturnStmt>(*S));     break;
 
   case Stmt::SwitchStmtClass:   EmitSwitchStmt(cast<SwitchStmt>(*S));     break;
-  case Stmt::GCCAsmStmtClass:   EmitGCCAsmStmt(cast<GCCAsmStmt>(*S));     break;
+  case Stmt::GCCAsmStmtClass:   EmitAsmStmt(cast<AsmStmt>(*S));           break;
   case Stmt::MSAsmStmtClass:    EmitMSAsmStmt(cast<MSAsmStmt>(*S));       break;
 
   case Stmt::ObjCAtTryStmtClass:
@@ -1295,7 +1295,7 @@
 static std::string
 AddVariableConstraints(const std::string &Constraint, const Expr &AsmExpr,
                        const TargetInfo &Target, CodeGenModule &CGM,
-                       const GCCAsmStmt &Stmt) {
+                       const AsmStmt &Stmt) {
   const DeclRefExpr *AsmDeclRef = dyn_cast<DeclRefExpr>(&AsmExpr);
   if (!AsmDeclRef)
     return Constraint;
@@ -1395,7 +1395,7 @@
   return llvm::MDNode::get(CGF.getLLVMContext(), Locs);
 }
 
-void CodeGenFunction::EmitGCCAsmStmt(const GCCAsmStmt &S) {
+void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) {
   // Assemble the final asm string.
   std::string AsmString = S.generateAsmString(getContext());
 
@@ -1620,8 +1620,10 @@
   Result->addAttribute(~0, llvm::Attribute::NoUnwind);
 
   // Slap the source location of the inline asm into a !srcloc metadata on the
-  // call.
-  Result->setMetadata("srcloc", getAsmSrcLocInfo(S.getAsmString(), *this));
+  // call.  FIXME: Handle metadata for MS-style inline asms.
+  if (const GCCAsmStmt *gccAsmStmt = dyn_cast<GCCAsmStmt>(&S))
+    Result->setMetadata("srcloc", getAsmSrcLocInfo(gccAsmStmt->getAsmString(),
+                                                   *this));
 
   // Extract all of the register value results from the asm.
   std::vector<llvm::Value*> RegResults;
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index c74ef30..b96ee2e 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -2001,7 +2001,7 @@
   void EmitDefaultStmt(const DefaultStmt &S);
   void EmitCaseStmt(const CaseStmt &S);
   void EmitCaseStmtRange(const CaseStmt &S);
-  void EmitGCCAsmStmt(const GCCAsmStmt &S);
+  void EmitAsmStmt(const AsmStmt &S);
   void EmitMSAsmStmt(const MSAsmStmt &S);
 
   void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S);