Add a description for the PatchableFunction pass; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266721 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/PatchableFunction.cpp b/lib/CodeGen/PatchableFunction.cpp
index ca345df..6fd9954 100644 (file)
--- a/lib/CodeGen/PatchableFunction.cpp
+++ b/lib/CodeGen/PatchableFunction.cpp
@@ -67,4 +67,5 @@ bool PatchableFunction::runOnMachineFunction(MachineFunction &MF) {
 
 char PatchableFunction::ID = 0;
 char &llvm::PatchableFunctionID = PatchableFunction::ID;
-INITIALIZE_PASS(PatchableFunction, "patchable-function", "", false, false)
+INITIALIZE_PASS(PatchableFunction, "patchable-function",
+                "Implement the 'patchable-function' attribute", false, false)