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authorRafael Espindola <rafael.espindola@gmail.com>2014-12-12 18:13:23 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2014-12-12 18:13:23 +0000
commitc69f13bfe1b7c0f663ea204f6e961d669f4bab02 (patch)
tree799e8c7483b1f2a83d663ee849f6a473ceb41204 /llvm/lib/Support/FileOutputBuffer.cpp
parent555a7a6ad2267c196993839930e962588a1f62d0 (diff)
downloadbcm5719-llvm-c69f13bfe1b7c0f663ea204f6e961d669f4bab02.tar.gz
bcm5719-llvm-c69f13bfe1b7c0f663ea204f6e961d669f4bab02.zip
Move the resize file feature from mapped_file_region to the only user.
This removes a duplicated stat on every file that llvm-ar looks at. llvm-svn: 224138
Diffstat (limited to 'llvm/lib/Support/FileOutputBuffer.cpp')
-rw-r--r--llvm/lib/Support/FileOutputBuffer.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Support/FileOutputBuffer.cpp b/llvm/lib/Support/FileOutputBuffer.cpp
index e6e4da34652..df4ae9322bc 100644
--- a/llvm/lib/Support/FileOutputBuffer.cpp
+++ b/llvm/lib/Support/FileOutputBuffer.cpp
@@ -77,6 +77,10 @@ FileOutputBuffer::create(StringRef FilePath, size_t Size,
if (EC)
return EC;
+ EC = sys::fs::resize_file(FD, Size);
+ if (EC)
+ return EC;
+
auto MappedFile = llvm::make_unique<mapped_file_region>(
FD, mapped_file_region::readwrite, Size, 0, EC);
int Ret = close(FD);
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