ARM: add support for WatchOS's compact unwind information.

llvm-svn: 251573

1 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index c8d34a23b48..13f528517f1 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -813,9 +813,9 @@ ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM,
   setOperationAction(ISD::STACKSAVE,          MVT::Other, Expand);
   setOperationAction(ISD::STACKRESTORE,       MVT::Other, Expand);
 
-  if (!Subtarget->isTargetMachO()) {
-    // Non-MachO platforms may return values in these registers via the
-    // personality function.
+  if (!Subtarget->useSjLjEH()) {
+    // Platforms which do not use SjLj EH may return values in these registers
+    // via the personality function.
     setExceptionPointerRegister(ARM::R0);
     setExceptionSelectorRegister(ARM::R1);
   }
@@ -889,7 +889,7 @@ ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM,
   setOperationAction(ISD::EH_SJLJ_SETJMP, MVT::i32, Custom);
   setOperationAction(ISD::EH_SJLJ_LONGJMP, MVT::Other, Custom);
   setOperationAction(ISD::EH_SJLJ_SETUP_DISPATCH, MVT::Other, Custom);
-  if (Subtarget->isTargetDarwin())
+  if (Subtarget->useSjLjEH())
     setLibcallName(RTLIB::UNWIND_RESUME, "_Unwind_SjLj_Resume");
 
   setOperationAction(ISD::SETCC,     MVT::i32, Expand);