[llvm] [NFC][SPIRV] Remove `MachineInstr` from `DeadMIs` set after erasing it (PR #184795)

[Juan Manuel Martinez Caamaño via llvm-commits]

https://github.com/jmmartinez created https://github.com/llvm/llvm-project/pull/184795

None

>From 8c7f7eb79c21f5f08077943b6c3d9661eb0eef57 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Manuel=20Martinez=20Caama=C3=B1o?=
 <jmartinezcaamao at gmail.com>
Date: Thu, 5 Mar 2026 14:40:38 +0100
Subject: [PATCH] [NFC][SPIRV] Remove `MachineInstr` from `DeadMIs` set after
 erasing it

---
 llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
index fd5e869279fe6..fb083880dc8d6 100644
--- a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
@@ -837,6 +837,7 @@ bool SPIRVInstructionSelector::select(MachineInstr &I) {
     // erase it
     LLVM_DEBUG(dbgs() << "Instruction is folded and dead.\n");
     removeDeadInstruction(I);
+    DeadMIs.erase(&I);
     return true;
   }