From aa5cc39b6df0c35ff48cb9d1a397cb8fe1ba00ee Mon Sep 17 00:00:00 2001
From: Serguei Katkov <serguei.katkov@azul.com>
Date: Fri, 14 Apr 2023 14:05:03 +0700
Subject: [BreakFalseDeps] Respect dead blocks.

The pass uses ReachingDefAnalysis which has no information about
instructions in dead blocks.
So do not process them.

Reviewed By: pengfei
Differential Revision: https://reviews.llvm.org/D148329
---
 llvm/lib/CodeGen/CodeGen.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/CodeGen/CodeGen.cpp')

diff --git a/llvm/lib/CodeGen/CodeGen.cpp b/llvm/lib/CodeGen/CodeGen.cpp
index 8026c5010fef..6272b654b329 100644
--- a/llvm/lib/CodeGen/CodeGen.cpp
+++ b/llvm/lib/CodeGen/CodeGen.cpp
@@ -23,6 +23,7 @@ void llvm::initializeCodeGen(PassRegistry &Registry) {
   initializeBasicBlockSectionsPass(Registry);
   initializeBranchFolderPassPass(Registry);
   initializeBranchRelaxationPass(Registry);
+  initializeBreakFalseDepsPass(Registry);
   initializeCallBrPreparePass(Registry);
   initializeCFGuardLongjmpPass(Registry);
   initializeCFIFixupPass(Registry);
-- 
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