commit 318a6eae06dd9fe031d3ebed0870460e3b911b02
author Oren Ben Simhon <oren.ben.simhon@intel.com> Thu Apr 27 12:01:00 2017 +0000
committer Oren Ben Simhon <oren.ben.simhon@intel.com> Thu Apr 27 12:01:00 2017 +0000
tree 20bbb483a66384595167c995561545898ed53856
parent f57453aece3e1dc56ce00a29ec6612d33e521c88

[X86] Support of no_caller_saved_registers attribute

Implements the Clang part for no_caller_saved_registers attribute as appears here: 
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=5ed3cc7b66af4758f7849ed6f65f4365be8223be.

Differential Revision: https://reviews.llvm.org/D31871

llvm-svn: 301535

clang/lib/Serialization/ASTWriter.cpp

diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 84d2420..80bf656 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -255,6 +255,7 @@
   // FIXME: need to stabilize encoding of calling convention...
   Record.push_back(C.getCC());
   Record.push_back(C.getProducesResult());
+  Record.push_back(C.getNoCallerSavedRegs());
 
   if (C.getHasRegParm() || C.getRegParm() || C.getProducesResult())
     AbbrevToUse = 0;
@@ -839,6 +840,7 @@
   Abv->Add(BitCodeAbbrevOp(0));                         // RegParm
   Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // CC
   Abv->Add(BitCodeAbbrevOp(0));                         // ProducesResult
+  Abv->Add(BitCodeAbbrevOp(0));                         // NoCallerSavedRegs
   // FunctionProtoType
   Abv->Add(BitCodeAbbrevOp(0));                         // IsVariadic
   Abv->Add(BitCodeAbbrevOp(0));                         // HasTrailingReturn