[Beignet] [PATCH] make raw_fd_ostream not close stdout

[Homer Hsing]

stdout was closed by llvm::raw_fd_ostream.
Now let llvm::raw_fd_ostream not close stdout.

Signed-off-by: Homer Hsing <homer.xing at intel.com>
---
 backend/src/llvm/llvm_to_gen.cpp | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/backend/src/llvm/llvm_to_gen.cpp b/backend/src/llvm/llvm_to_gen.cpp
index 21193a5..ea3d9eb 100644
--- a/backend/src/llvm/llvm_to_gen.cpp
+++ b/backend/src/llvm/llvm_to_gen.cpp
@@ -55,7 +55,7 @@ namespace gbe
     std::string errInfo;
     std::unique_ptr<llvm::raw_fd_ostream> o = NULL;
     if (OCL_OUTPUT_LLVM_BEFORE_EXTRA_PASS || OCL_OUTPUT_LLVM)
-      o = std::unique_ptr<llvm::raw_fd_ostream>(new llvm::raw_fd_ostream("-", errInfo));
+      o = std::unique_ptr<llvm::raw_fd_ostream>(new llvm::raw_fd_ostream(fileno(stdout), false));
 
     // Get the module from its file
     SMDiagnostic Err;
@@ -83,13 +83,6 @@ namespace gbe
       passes.add(createPrintModulePass(&*o));
     passes.run(mod);
 
-    // raw_fd_ostream closes stdout. We must reopen it
-    if (OCL_OUTPUT_LLVM_BEFORE_EXTRA_PASS || OCL_OUTPUT_LLVM) {
-      o = NULL;
-      const int fd = open("/dev/tty", O_WRONLY);
-      stdout = fdopen(fd, "w");
-    }
-
     return true;
   }
 } /* namespace gbe */
-- 
1.8.1.2