commit b0f2c33920268cccbea2d3de3b699c6fa877ee1d
author Arnold Schwaighofer <aschwaighofer@apple.com> Thu Dec 01 18:07:38 2016 +0000
committer Arnold Schwaighofer <aschwaighofer@apple.com> Thu Dec 01 18:07:38 2016 +0000
tree ff0938d96a62a20decdcf5f474bbce59e07bdf46
parent 043d9e369f0b1ab1f09f8bff1191abca3ce23099

swiftcc: Add an api to query whether a target ABI stores swifterror in a register

llvm-svn: 288394

clang/lib/CodeGen/SwiftCallingConv.cpp

diff --git a/clang/lib/CodeGen/SwiftCallingConv.cpp b/clang/lib/CodeGen/SwiftCallingConv.cpp
index 1629c44..0bfe30a 100644
--- a/clang/lib/CodeGen/SwiftCallingConv.cpp
+++ b/clang/lib/CodeGen/SwiftCallingConv.cpp
@@ -828,3 +828,8 @@
     argInfo.info = classifyArgumentType(CGM, argInfo.type);
   }
 }
+
+// Is swifterror lowered to a register by the target ABI.
+bool swiftcall::isSwiftErrorLoweredInRegister(CodeGenModule &CGM) {
+  return getSwiftABIInfo(CGM).isSwiftErrorInRegister();
+}