From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 13 Mar 2006 21:22:43 +0000 (+0000)
Subject: Optimizing to calloc() to malloc() + memset() can be bad on some platforms.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7abddda6cc7101623d589b7bf7cedf873fac0b94;p=oota-llvm.git

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
index ebca404d488..00000000000
--- 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;
-}