[llvm] [AMDGPU] Preserve call info when lowering SI_CALL_ISEL (PR #192192)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: StevenYangCC

<details>
<summary>Changes</summary>

Keep additional call metadata attached when the custom inserter rewrites SI_CALL_ISEL into SI_CALL so later analyses still see the original direct-call information.

---
Full diff: https://github.com/llvm/llvm-project/pull/192192.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/SIISelLowering.cpp (+2) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 6750dfcbaac62..b37950e32ffb3 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -6847,6 +6847,8 @@ SITargetLowering::EmitInstrWithCustomInserter(MachineInstr &MI,
       MIB.add(MO);
 
     MIB.cloneMemRefs(MI);
+    if (MI.shouldUpdateAdditionalCallInfo())
+      MF->moveAdditionalCallInfo(&MI, MIB.getInstr());
     MI.eraseFromParent();
     return BB;
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/192192