rustc_trans: remove unused TargetDataRef accessor.

Author: eddyb

src/librustc_llvm/ffi.rs

@@ -1661,7 +1661,6 @@ extern "C" {
     pub fn LLVMRustArchiveMemberFree(Member: RustArchiveMemberRef);
 
     pub fn LLVMRustSetDataLayoutFromTargetMachine(M: ModuleRef, TM: TargetMachineRef);
-    pub fn LLVMRustGetModuleDataLayout(M: ModuleRef) -> TargetDataRef;
 
     pub fn LLVMRustBuildOperandBundleDef(Name: *const c_char,
                                          Inputs: *const ValueRef,

src/librustc_trans/context.rs

@@ -349,10 +349,6 @@ impl<'b, 'tcx> CrateContext<'b, 'tcx> {
         &self.codegen_unit
     }
 
-    pub fn td(&self) -> llvm::TargetDataRef {
-        unsafe { llvm::LLVMRustGetModuleDataLayout(self.llmod()) }
-    }
-
     pub fn instances<'a>(&'a self) -> &'a RefCell<FxHashMap<Instance<'tcx>, ValueRef>> {
         &self.instances
     }

src/rustllvm/PassWrapper.cpp

@@ -746,10 +746,6 @@ LLVMRustSetDataLayoutFromTargetMachine(LLVMModuleRef Module,
   unwrap(Module)->setDataLayout(Target->createDataLayout());
 }
 
-extern "C" LLVMTargetDataRef LLVMRustGetModuleDataLayout(LLVMModuleRef M) {
-  return wrap(&unwrap(M)->getDataLayout());
-}
-
 extern "C" void LLVMRustSetModulePIELevel(LLVMModuleRef M) {
   unwrap(M)->setPIELevel(PIELevel::Level::Large);
 }