[SDAG] Fix expansion of BITREVERSE

[oota-llvm.git] / lib / Support / Program.cpp

diff --git a/lib/Support/Program.cpp b/lib/Support/Program.cpp
index b1a9b98755cac1b881ed8e8c6fd5fbe741184433..34e336b354d660b7343bd12560211390b5e950f1 100644 (file)
--- a/lib/Support/Program.cpp
+++ b/lib/Support/Program.cpp
@@ -7,13 +7,14 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  This header file implements the operating system Program concept.
+//  This file implements the operating system Program concept.
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/Program.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/Config/config.h"
-#include "llvm/Support/system_error.h"
+#include <system_error>
 using namespace llvm;
 using namespace sys;
 
@@ -22,30 +23,41 @@ using namespace sys;
 //===          independent code.
 //===----------------------------------------------------------------------===//
 
-static bool Execute(void **Data, const Path &path, const char **args,
-                    const char **env, const sys::Path **redirects,
+static bool Execute(ProcessInfo &PI, StringRef Program, const char **args,
+                    const char **env, const StringRef **Redirects,
                     unsigned memoryLimit, std::string *ErrMsg);
 
-static int Wait(void *&Data, const Path &path, unsigned secondsToWait,
-                std::string *ErrMsg);
-
-int sys::ExecuteAndWait(const Path &path, const char **args, const char **envp,
-                        const Path **redirects, unsigned secondsToWait,
+int sys::ExecuteAndWait(StringRef Program, const char **args, const char **envp,
+                        const StringRef **redirects, unsigned secondsToWait,
                         unsigned memoryLimit, std::string *ErrMsg,
                         bool *ExecutionFailed) {
-  void *Data = 0;
-  if (Execute(&Data, path, args, envp, redirects, memoryLimit, ErrMsg)) {
-    if (ExecutionFailed) *ExecutionFailed = false;
-    return Wait(Data, path, secondsToWait, ErrMsg);
+  ProcessInfo PI;
+  if (Execute(PI, Program, args, envp, redirects, memoryLimit, ErrMsg)) {
+    if (ExecutionFailed)
+      *ExecutionFailed = false;
+    ProcessInfo Result = Wait(
+        PI, secondsToWait, /*WaitUntilTerminates=*/secondsToWait == 0, ErrMsg);
+    return Result.ReturnCode;
   }
-  if (ExecutionFailed) *ExecutionFailed = true;
+
+  if (ExecutionFailed)
+    *ExecutionFailed = true;
+
   return -1;
 }
 
-void sys::ExecuteNoWait(const Path &path, const char **args, const char **envp,
-                        const Path **redirects, unsigned memoryLimit,
-                        std::string *ErrMsg) {
-  Execute(/*Data*/ 0, path, args, envp, redirects, memoryLimit, ErrMsg);
+ProcessInfo sys::ExecuteNoWait(StringRef Program, const char **args,
+                               const char **envp, const StringRef **redirects,
+                               unsigned memoryLimit, std::string *ErrMsg,
+                               bool *ExecutionFailed) {
+  ProcessInfo PI;
+  if (ExecutionFailed)
+    *ExecutionFailed = false;
+  if (!Execute(PI, Program, args, envp, redirects, memoryLimit, ErrMsg))
+    if (ExecutionFailed)
+      *ExecutionFailed = true;
+
+  return PI;
 }
 
 // Include the platform-specific parts of this class.