From 9383fb23e18bb983d0024fb956a0a724ef9eb03d Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Thu, 8 May 2025 08:00:09 +0200
Subject: Reapply "IR: Remove uselist for constantdata (#137313)" (#138961)

Reapply "IR: Remove uselist for constantdata (#137313)"

This reverts commit 5936c02c8b9c6d1476f7830517781ce8b6e26e75.

Fix checking uselists of constants in assume bundle queries
---
 llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp')

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index b533731..de7e9bb 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -3859,6 +3859,10 @@ Error BitcodeReader::parseUseLists() {
         V = FunctionBBs[ID];
       } else
         V = ValueList[ID];
+
+      if (!V->hasUseList())
+        break;
+
       unsigned NumUses = 0;
       SmallDenseMap<const Use *, unsigned, 16> Order;
       for (const Use &U : V->materialized_uses()) {
-- 
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