diff --git a/tools/as/as.cpp b/tools/as/as.cpp
index 0fbd1e6..5904974 100644
--- a/tools/as/as.cpp
+++ b/tools/as/as.cpp
@@ -39,7 +39,7 @@
       cerr << "Here's the assembly:\n" << C.get();
 
     if (OutputFilename != "") {   // Specified an output filename?
-      if (!Force && !std::ifstream(OutputFilename.c_str())) {
+      if (!Force && std::ifstream(OutputFilename.c_str())) {
         // If force is not specified, make sure not to overwrite a file!
         cerr << "Error opening '" << OutputFilename << "': File exists!\n"
              << "Use -f command line argument to force output\n";
@@ -61,7 +61,7 @@
 	}
 	OutputFilename += ".bc";
 
-        if (!Force && !std::ifstream(OutputFilename.c_str())) {
+        if (!Force && std::ifstream(OutputFilename.c_str())) {
           // If force is not specified, make sure not to overwrite a file!
           cerr << "Error opening '" << OutputFilename << "': File exists!\n"
                << "Use -f command line argument to force output\n";
diff --git a/tools/dis/dis.cpp b/tools/dis/dis.cpp
index 55e8d5d..11e67c4 100644
--- a/tools/dis/dis.cpp
+++ b/tools/dis/dis.cpp
@@ -58,7 +58,7 @@
   }
   
   if (OutputFilename != "") {   // Specified an output filename?
-    if (!Force && !std::ifstream(OutputFilename.c_str())) {
+    if (!Force && std::ifstream(OutputFilename.c_str())) {
       // If force is not specified, make sure not to overwrite a file!
       cerr << "Error opening '" << OutputFilename
            << "': File exists! Sending to standard output.\n";
@@ -79,7 +79,7 @@
       }
       OutputFilename += ".ll";
 
-      if (!Force && !std::ifstream(OutputFilename.c_str())) {
+      if (!Force && std::ifstream(OutputFilename.c_str())) {
         // If force is not specified, make sure not to overwrite a file!
         cerr << "Error opening '" << OutputFilename
              << "': File exists! Sending to standard output.\n";
diff --git a/tools/link/link.cpp b/tools/link/link.cpp
index db21db0..4f7530c 100644
--- a/tools/link/link.cpp
+++ b/tools/link/link.cpp
@@ -111,7 +111,7 @@
 
   ostream *Out = &cout;  // Default to printing to stdout...
   if (OutputFilename != "-") {
-    if (!Force && !std::ifstream(OutputFilename.c_str())) {
+    if (!Force && std::ifstream(OutputFilename.c_str())) {
       // If force is not specified, make sure not to overwrite a file!
       cerr << "Error opening '" << OutputFilename << "': File exists!\n"
            << "Use -f command line argument to force output\n";
diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index 1d63b28..1e7defa 100644
--- a/tools/llc/llc.cpp
+++ b/tools/llc/llc.cpp
@@ -136,7 +136,7 @@
            "files on stdin not supported with tracing");
     string traceFileName = GetFileNameRoot(InputFilename) + ".trace.bc";
 
-    if (!Force && !std::ifstream(OutputFilename.c_str())) {
+    if (!Force && std::ifstream(OutputFilename.c_str())) {
       // If force is not specified, make sure not to overwrite a file!
       cerr << "Error opening '" << OutputFilename << "': File exists!\n"
            << "Use -f command line argument to force output\n";
@@ -170,7 +170,7 @@
     // Figure out where we are going to send the output...
     std::ostream *Out = 0;
     if (OutputFilename != "") {   // Specified an output filename?
-      if (!Force && !std::ifstream(OutputFilename.c_str())) {
+      if (!Force && std::ifstream(OutputFilename.c_str())) {
         // If force is not specified, make sure not to overwrite a file!
         cerr << "Error opening '" << OutputFilename << "': File exists!\n"
              << "Use -f command line argument to force output\n";
@@ -185,7 +185,7 @@
         string OutputFilename = GetFileNameRoot(InputFilename); 
         OutputFilename += ".s";
 
-        if (!Force && !std::ifstream(OutputFilename.c_str())) {
+        if (!Force && std::ifstream(OutputFilename.c_str())) {
           // If force is not specified, make sure not to overwrite a file!
           cerr << "Error opening '" << OutputFilename << "': File exists!\n"
                << "Use -f command line argument to force output\n";
diff --git a/tools/llvm-as/as.cpp b/tools/llvm-as/as.cpp
index 0fbd1e6..5904974 100644
--- a/tools/llvm-as/as.cpp
+++ b/tools/llvm-as/as.cpp
@@ -39,7 +39,7 @@
       cerr << "Here's the assembly:\n" << C.get();
 
     if (OutputFilename != "") {   // Specified an output filename?
-      if (!Force && !std::ifstream(OutputFilename.c_str())) {
+      if (!Force && std::ifstream(OutputFilename.c_str())) {
         // If force is not specified, make sure not to overwrite a file!
         cerr << "Error opening '" << OutputFilename << "': File exists!\n"
              << "Use -f command line argument to force output\n";
@@ -61,7 +61,7 @@
 	}
 	OutputFilename += ".bc";
 
-        if (!Force && !std::ifstream(OutputFilename.c_str())) {
+        if (!Force && std::ifstream(OutputFilename.c_str())) {
           // If force is not specified, make sure not to overwrite a file!
           cerr << "Error opening '" << OutputFilename << "': File exists!\n"
                << "Use -f command line argument to force output\n";
diff --git a/tools/llvm-as/llvm-as.cpp b/tools/llvm-as/llvm-as.cpp
index 0fbd1e6..5904974 100644
--- a/tools/llvm-as/llvm-as.cpp
+++ b/tools/llvm-as/llvm-as.cpp
@@ -39,7 +39,7 @@
       cerr << "Here's the assembly:\n" << C.get();
 
     if (OutputFilename != "") {   // Specified an output filename?
-      if (!Force && !std::ifstream(OutputFilename.c_str())) {
+      if (!Force && std::ifstream(OutputFilename.c_str())) {
         // If force is not specified, make sure not to overwrite a file!
         cerr << "Error opening '" << OutputFilename << "': File exists!\n"
              << "Use -f command line argument to force output\n";
@@ -61,7 +61,7 @@
 	}
 	OutputFilename += ".bc";
 
-        if (!Force && !std::ifstream(OutputFilename.c_str())) {
+        if (!Force && std::ifstream(OutputFilename.c_str())) {
           // If force is not specified, make sure not to overwrite a file!
           cerr << "Error opening '" << OutputFilename << "': File exists!\n"
                << "Use -f command line argument to force output\n";
diff --git a/tools/llvm-dis/dis.cpp b/tools/llvm-dis/dis.cpp
index 55e8d5d..11e67c4 100644
--- a/tools/llvm-dis/dis.cpp
+++ b/tools/llvm-dis/dis.cpp
@@ -58,7 +58,7 @@
   }
   
   if (OutputFilename != "") {   // Specified an output filename?
-    if (!Force && !std::ifstream(OutputFilename.c_str())) {
+    if (!Force && std::ifstream(OutputFilename.c_str())) {
       // If force is not specified, make sure not to overwrite a file!
       cerr << "Error opening '" << OutputFilename
            << "': File exists! Sending to standard output.\n";
@@ -79,7 +79,7 @@
       }
       OutputFilename += ".ll";
 
-      if (!Force && !std::ifstream(OutputFilename.c_str())) {
+      if (!Force && std::ifstream(OutputFilename.c_str())) {
         // If force is not specified, make sure not to overwrite a file!
         cerr << "Error opening '" << OutputFilename
              << "': File exists! Sending to standard output.\n";
diff --git a/tools/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index 55e8d5d..11e67c4 100644
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -58,7 +58,7 @@
   }
   
   if (OutputFilename != "") {   // Specified an output filename?
-    if (!Force && !std::ifstream(OutputFilename.c_str())) {
+    if (!Force && std::ifstream(OutputFilename.c_str())) {
       // If force is not specified, make sure not to overwrite a file!
       cerr << "Error opening '" << OutputFilename
            << "': File exists! Sending to standard output.\n";
@@ -79,7 +79,7 @@
       }
       OutputFilename += ".ll";
 
-      if (!Force && !std::ifstream(OutputFilename.c_str())) {
+      if (!Force && std::ifstream(OutputFilename.c_str())) {
         // If force is not specified, make sure not to overwrite a file!
         cerr << "Error opening '" << OutputFilename
              << "': File exists! Sending to standard output.\n";
diff --git a/tools/llvm-link/llvm-link.cpp b/tools/llvm-link/llvm-link.cpp
index db21db0..4f7530c 100644
--- a/tools/llvm-link/llvm-link.cpp
+++ b/tools/llvm-link/llvm-link.cpp
@@ -111,7 +111,7 @@
 
   ostream *Out = &cout;  // Default to printing to stdout...
   if (OutputFilename != "-") {
-    if (!Force && !std::ifstream(OutputFilename.c_str())) {
+    if (!Force && std::ifstream(OutputFilename.c_str())) {
       // If force is not specified, make sure not to overwrite a file!
       cerr << "Error opening '" << OutputFilename << "': File exists!\n"
            << "Use -f command line argument to force output\n";
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 6cbf251..f9f4ba0 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -127,7 +127,7 @@
 
   std::ostream *Out = &std::cout;  // Default to printing to stdout...
   if (OutputFilename != "") {
-    if (!Force && !std::ifstream(OutputFilename.c_str())) {
+    if (!Force && std::ifstream(OutputFilename.c_str())) {
       // If force is not specified, make sure not to overwrite a file!
       cerr << "Error opening '" << OutputFilename << "': File exists!\n"
            << "Use -f command line argument to force output\n";