Warn about unsupported codegen with the diags machinery, giving us:

t.c:3322:5: warning: cannot codegen this yet
    __asm__ ("bswap   %0" : "+r" (_data));
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

instead of:

Unimplemented stmt!
(AsmStmt 0x80eaa0 <t.c:3331:5, line:3334:28>)

llvm-svn: 44501

clang/CodeGen/CodeGenModule.cpp

@@ -26,8 +26,9 @@ using namespace CodeGen;
 
 
 CodeGenModule::CodeGenModule(ASTContext &C, const LangOptions &LO,
-                             llvm::Module &M, const llvm::TargetData &TD)
-  : Context(C), Features(LO), TheModule(M), TheTargetData(TD),
+                             llvm::Module &M, const llvm::TargetData &TD,
+                             Diagnostic &diags)
+  : Context(C), Features(LO), TheModule(M), TheTargetData(TD), Diags(diags),
     Types(C, M, TD), MemCpyFn(0), CFConstantStringClassRef(0) {}
 
 llvm::Constant *CodeGenModule::GetAddrOfGlobalDecl(const ValueDecl *D) {