X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=examples%2FKaleidoscope%2FChapter4%2Ftoy.cpp;h=fe8ec17b4e897ca308223366f225f82ae201c009;hb=8c46d7964e996f60e4cf0f8ee08be5da22ddf1a3;hp=12777ae2c758fa93587b969b6c546aaedd9c9423;hpb=742f5d8f37c26df6c5f1bf27e258a038c757bb07;p=oota-llvm.git

diff --git a/examples/Kaleidoscope/Chapter4/toy.cpp b/examples/Kaleidoscope/Chapter4/toy.cpp
index 12777ae2c75..fe8ec17b4e8 100644
--- a/examples/Kaleidoscope/Chapter4/toy.cpp
+++ b/examples/Kaleidoscope/Chapter4/toy.cpp
@@ -631,14 +631,14 @@ static void MainLoop() {
 //===----------------------------------------------------------------------===//
 
 /// putchard - putchar that takes a double and returns 0.
-extern "C" double putchard(double X) {
-  putchar((char)X);
+__attribute__((used)) extern "C" double putchard(double X) {
+  fputc((char)X, stderr);
   return 0;
 }
 
 /// printd - printf that takes a double prints it as "%f\n", returning 0.
-extern "C" double printd(double X) {
-  printf("%f\n", X);
+__attribute__((used)) extern "C" double printd(double X) {
+  fprintf(stderr, "%f\n", X);
   return 0;
 }