Optimizing to calloc() to malloc() + memset() can be bad on some platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26732 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/runtime/GCCLibraries/libc/memory.c b/runtime/GCCLibraries/libc/memory.c
deleted file mode 100644 (file)
index ebca404..0000000
--- a/runtime/GCCLibraries/libc/memory.c
+++ /dev/null
@@ -1,33 +0,0 @@
-//===-- memory.c - String functions for the LLVM libc Library ----*- C -*-===//
-// 
-// A lot of this code is ripped gratuitously from glibc and libiberty.
-//
-//===---------------------------------------------------------------------===//
-
-#include <stdlib.h>
-
-// If we're not being compiled with GCC, turn off attributes. Question is how
-// to handle overriding of memory allocation functions in that case.
-#ifndef __GNUC__
-#define __attribute__(X)
-#endif
-    
-// For now, turn off the weak linkage attribute on Mac OS X.
-#if defined(__GNUC__) && defined(__APPLE_CC__)
-#define __ATTRIBUTE_WEAK__
-#elif defined(__GNUC__)
-#define __ATTRIBUTE_WEAK__ __attribute__((weak))
-#else
-#define __ATTRIBUTE_WEAK__
-#endif
-
-void *malloc(size_t) __ATTRIBUTE_WEAK__;
-void free(void *) __ATTRIBUTE_WEAK__;
-void *memset(void *, int, size_t) __ATTRIBUTE_WEAK__;
-void *calloc(size_t nelem, size_t elsize) __ATTRIBUTE_WEAK__;
-
-void *calloc(size_t nelem, size_t elsize) {
-  void *Result = malloc(nelem*elsize);
-  if (Result) memset(Result, 0, nelem*elsize);
-  return Result;
-}