Replace `0 as *const/mut T` with `ptr::null/null_mut()`

2 files changed, 15 insertions, 15 deletions

diff --git a/src/librustc_llvm/diagnostic.rs b/src/librustc_llvm/diagnostic.rs
index 464f9f98e7f..db2a569cdef 100644
--- a/src/librustc_llvm/diagnostic.rs
+++ b/src/librustc_llvm/diagnostic.rs
@@ -14,6 +14,7 @@ pub use self::OptimizationDiagnosticKind::*;
 pub use self::Diagnostic::*;
 
 use libc::c_char;
+use std::ptr;
 
 use {ValueRef, TwineRef, DebugLocRef, DiagnosticInfoRef};
 
@@ -52,10 +53,10 @@ impl OptimizationDiagnostic {
 
         let mut opt = OptimizationDiagnostic {
             kind: kind,
-            pass_name: 0 as *const c_char,
-            function: 0 as ValueRef,
-            debug_loc: 0 as DebugLocRef,
-            message: 0 as TwineRef,
+            pass_name: ptr::null(),
+            function: ptr::null_mut(),
+            debug_loc: ptr::null_mut(),
+            message: ptr::null_mut(),
         };
 
         super::LLVMUnpackOptimizationDiagnostic(di,
diff --git a/src/librustc_llvm/lib.rs b/src/librustc_llvm/lib.rs
index 3edb1ec48a0..03021b7700c 100644
--- a/src/librustc_llvm/lib.rs
+++ b/src/librustc_llvm/lib.rs
@@ -51,7 +51,7 @@ pub use self::Linkage::*;
 
 use std::ffi::CString;
 use std::cell::RefCell;
-use std::{raw, mem};
+use std::{raw, mem, ptr};
 use libc::{c_uint, c_ushort, uint64_t, c_int, size_t, c_char};
 use libc::{c_longlong, c_ulonglong, c_void};
 use debuginfo::{DIBuilderRef, DIDescriptor,
@@ -2260,19 +2260,18 @@ pub unsafe fn static_link_hack_this_sucks() {
     LLVMInitializePowerPCAsmPrinter();
     LLVMInitializePowerPCAsmParser();
 
-    LLVMRustSetLLVMOptions(0 as c_int,
-                                       0 as *const _);
+    LLVMRustSetLLVMOptions(0 as c_int, ptr::null());
 
-    LLVMPassManagerBuilderPopulateModulePassManager(0 as *mut _, 0 as *mut _);
-    LLVMPassManagerBuilderPopulateLTOPassManager(0 as *mut _, 0 as *mut _, False, False);
-    LLVMPassManagerBuilderPopulateFunctionPassManager(0 as *mut _, 0 as *mut _);
-    LLVMPassManagerBuilderSetOptLevel(0 as *mut _, 0 as c_uint);
-    LLVMPassManagerBuilderUseInlinerWithThreshold(0 as *mut _, 0 as c_uint);
-    LLVMWriteBitcodeToFile(0 as *mut _, 0 as *const _);
+    LLVMPassManagerBuilderPopulateModulePassManager(ptr::null_mut(), ptr::null_mut());
+    LLVMPassManagerBuilderPopulateLTOPassManager(ptr::null_mut(), ptr::null_mut(), False, False);
+    LLVMPassManagerBuilderPopulateFunctionPassManager(ptr::null_mut(), ptr::null_mut());
+    LLVMPassManagerBuilderSetOptLevel(ptr::null_mut(), 0 as c_uint);
+    LLVMPassManagerBuilderUseInlinerWithThreshold(ptr::null_mut(), 0 as c_uint);
+    LLVMWriteBitcodeToFile(ptr::null_mut(), ptr::null());
     LLVMPassManagerBuilderCreate();
-    LLVMPassManagerBuilderDispose(0 as *mut _);
+    LLVMPassManagerBuilderDispose(ptr::null_mut());
 
-    LLVMRustLinkInExternalBitcode(0 as *mut _, 0 as *const _, 0 as size_t);
+    LLVMRustLinkInExternalBitcode(ptr::null_mut(), ptr::null(), 0 as size_t);
 
     LLVMLinkInMCJIT();
     LLVMLinkInInterpreter();