[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.

llvm-svn: 162776

1 files changed, 7 insertions, 5 deletions

diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp
index 646d820add4..4e8d85733b1 100644
--- a/clang/lib/CodeGen/CGStmt.cpp
+++ b/clang/lib/CodeGen/CGStmt.cpp
@@ -132,7 +132,7 @@ void CodeGenFunction::EmitStmt(const Stmt *S) {
   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 @@ SimplifyConstraint(const char *Constraint, const TargetInfo &Target,
 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 @@ static llvm::MDNode *getAsmSrcLocInfo(const StringLiteral *Str,
   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 @@ void CodeGenFunction::EmitGCCAsmStmt(const GCCAsmStmt &S) {
   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;