Add support for getting the last modification time from a file_status.

Use that in llvm-ar.cpp to replace a use of sys::PathWithStatus.

llvm-svn: 184450

2 files changed, 17 insertions, 0 deletions

diff --git a/llvm/lib/Support/Unix/PathV2.inc b/llvm/lib/Support/Unix/PathV2.inc
index 39b33123de8..4b922da7186 100644
--- a/llvm/lib/Support/Unix/PathV2.inc
+++ b/llvm/lib/Support/Unix/PathV2.inc
@@ -110,6 +110,12 @@ namespace llvm {
 namespace sys  {
 namespace fs {
 
+TimeValue file_status::getLastModificationTime() {
+  TimeValue Ret;
+  Ret.fromEpochTime(fs_st_mtime);
+  return Ret;
+}
+
 error_code current_path(SmallVectorImpl<char> &result) {
 #ifdef MAXPATHLEN
   result.reserve(MAXPATHLEN);
@@ -401,6 +407,7 @@ error_code status(const Twine &path, file_status &result) {
 
   result.fs_st_dev = status.st_dev;
   result.fs_st_ino = status.st_ino;
+  result.fs_st_mtime = status.st_mtime;
 
   return error_code::success();
 }
diff --git a/llvm/lib/Support/Windows/PathV2.inc b/llvm/lib/Support/Windows/PathV2.inc
index 8815b0ec2f7..006e31a5bd2 100644
--- a/llvm/lib/Support/Windows/PathV2.inc
+++ b/llvm/lib/Support/Windows/PathV2.inc
@@ -128,6 +128,16 @@ namespace llvm {
 namespace sys  {
 namespace fs {
 
+TimeValue file_status::getLastModificationTime() {
+  ULARGE_INTEGER UI;
+  UI.LowPart = LastWriteTimeLow;
+  UI.HighPart = LastWriteTimeHigh;
+
+  TimeValue Ret;
+  Ret.fromWin32Time(UI.QuadPart);
+  return Ret;
+}
+
 error_code current_path(SmallVectorImpl<char> &result) {
   SmallVector<wchar_t, 128> cur_path;
   cur_path.reserve(128);