ARM: Move sjlj libcall configuration to RuntimeLibcalls

[arsenm]

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[arsenm]

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• ARM: Move sjlj libcall configuration to RuntimeLibcalls #147227 👈 (View in Graphite)
• ARM: Remove subtarget field tracking SjLj #147226
• Triple: Record default exception handling type #147225
• RuntimeLibcalls: Account for Triple default exception handling #147224
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@llvm/pr-subscribers-llvm-ir

@llvm/pr-subscribers-backend-arm

Author: Matt Arsenault (arsenm)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/147227.diff

2 Files Affected:

• (modified) llvm/lib/IR/RuntimeLibcalls.cpp (+1-1)
• (modified) llvm/lib/Target/ARM/ARMISelLowering.cpp (-2)

diff --git a/llvm/lib/IR/RuntimeLibcalls.cpp b/llvm/lib/IR/RuntimeLibcalls.cpp
index 712f1a48d0b7b..070131aead46b 100644
--- a/llvm/lib/IR/RuntimeLibcalls.cpp
+++ b/llvm/lib/IR/RuntimeLibcalls.cpp
@@ -362,7 +362,7 @@ void RuntimeLibcallsInfo::initLibcalls(const Triple &TT,
   if (TT.isX86() && TT.isGNUEnvironment())
     setLongDoubleIsF128Libm(*this, /*FiniteOnlyFuncs=*/true);
 
-  if (TT.isX86() || TT.isVE()) {
+  if (TT.isX86() || TT.isVE() || TT.isARM() || TT.isThumb()) {
     if (ExceptionModel == ExceptionHandling::SjLj)
       setLibcallImpl(RTLIB::UNWIND_RESUME, RTLIB::_Unwind_SjLj_Resume);
   }
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index 6be41a01e0696..a487654d7cad8 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -1400,8 +1400,6 @@ 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->useSjLjEH())
-    setLibcallImpl(RTLIB::UNWIND_RESUME, RTLIB::_Unwind_SjLj_Resume);
 
   setOperationAction(ISD::SETCC,     MVT::i32, Expand);
   setOperationAction(ISD::SETCC,     MVT::f32, Expand);