The WebKit_JS CC preserves the same registers as the C CC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194936 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 75987157dc1307cb3a8c30fd6e02501a7d4ef1c7..dbda556b1b5e704c8ec976ba575df878085c09d3 100644 (file)
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -240,6 +240,7 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
     return CSR_NoRegs_SaveList;
 
   case CallingConv::WebKit_JS:
+    return CSR_64_SaveList;
   case CallingConv::AnyReg:
     return CSR_MostRegs_64_SaveList;