[llvm-branch-commits] [llvm] RuntimeLibcalls: Add entries for some exception related functions (PR #147914)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-ir

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>

SjLjEHPrepare and WasmEHPrepare directly emit calls to these by
name, and these are not tracked in RuntimeLibcalls. It will be easier
to fix this when RuntimeLibcalls is turned into an analysis, so just
add the entries for now.

---
Full diff: https://github.com/llvm/llvm-project/pull/147914.diff


1 Files Affected:

- (modified) llvm/include/llvm/IR/RuntimeLibcalls.td (+6) 


``````````diff
diff --git a/llvm/include/llvm/IR/RuntimeLibcalls.td b/llvm/include/llvm/IR/RuntimeLibcalls.td
index f7598979ca4c5..29de1206a8974 100644
--- a/llvm/include/llvm/IR/RuntimeLibcalls.td
+++ b/llvm/include/llvm/IR/RuntimeLibcalls.td
@@ -263,6 +263,9 @@ foreach MemSize = [1, 2, 4, 8, 16] in {
 
 // Exception handling
 def UNWIND_RESUME : RuntimeLibcall;
+def UNWIND_REGISTER : RuntimeLibcall;
+def UNWIND_UNREGISTER : RuntimeLibcall;
+def UNWIND_CALL_PERSONALITY : RuntimeLibcall;
 def CXA_END_CLEANUP : RuntimeLibcall;
 
 // Note: there are two sets of atomics libcalls; see
@@ -918,6 +921,9 @@ defm sincos : LibmLongDoubleLibCall;
 def bzero : RuntimeLibcallImpl<BZERO>;
 def __bzero : RuntimeLibcallImpl<BZERO>;
 def _Unwind_SjLj_Resume : RuntimeLibcallImpl<UNWIND_RESUME>;
+def _Unwind_SjLj_Register : RuntimeLibcallImpl<UNWIND_REGISTER>;
+def _Unwind_SjLj_Unregister : RuntimeLibcallImpl<UNWIND_UNREGISTER>;
+def _Unwind_CallPersonality : RuntimeLibcallImpl<UNWIND_CALL_PERSONALITY>;
 
 // Used on OpenBSD
 def __stack_smash_handler : RuntimeLibcallImpl<STACK_SMASH_HANDLER>;

``````````

</details>


https://github.com/llvm/llvm-project/pull/147914