Actually, change it to use explicit new/delete, which is more likely to be
optimized INTO an alloca
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6727 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index 6ecaf2b..51f3d18 100644
--- a/lib/Support/SystemUtils.cpp
+++ b/lib/Support/SystemUtils.cpp
@@ -10,7 +10,6 @@
#include <fstream>
#include <iostream>
#include <cstdlib>
-#include <vector>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@ -33,13 +32,13 @@
return FilenameBase; // Couldn't open the file? Use it!
// Create a pattern for mkstemp...
- std::vector<char> FNBuffer(FilenameBase.size()+8);
- strcpy(&FNBuffer[0], FilenameBase.c_str());
- strcpy(&FNBuffer[FilenameBase.size()], "-XXXXXX");
+ char *FNBuffer = new char[FilenameBase.size()+8];
+ strcpy(FNBuffer, FilenameBase.c_str());
+ strcpy(FNBuffer+FilenameBase.size(), "-XXXXXX");
// Agree on a temporary file name to use....
int TempFD;
- if ((TempFD = mkstemp(&FNBuffer[0])) == -1) {
+ if ((TempFD = mkstemp(FNBuffer)) == -1) {
std::cerr << "bugpoint: ERROR: Cannot create temporary file in the current "
<< " directory!\n";
exit(1);
@@ -48,7 +47,9 @@
// We don't need to hold the temp file descriptor... we will trust that noone
// will overwrite/delete the file while we are working on it...
close(TempFD);
- return std::string(&FNBuffer[0]);
+ std::string Result(FNBuffer);
+ delete[] FNBuffer;
+ return Result;
}
/// isExecutableFile - This function returns true if the filename specified