[llvm] [JumpThreading] Clear LoopLatches for each invocation of JumpThreading pass. (PR #127768)

[Jim Lin via llvm-commits]

https://github.com/tclin914 created https://github.com/llvm/llvm-project/pull/127768

Clear LoopLatches after each resolved function is finished to avoid 
non-determinisc that I encountered in mingw environment.

>From ee1213e188e3ebc4d4fbe41e9ef9852ae81f40fc Mon Sep 17 00:00:00 2001
From: Jim Lin <jim at andestech.com>
Date: Wed, 19 Feb 2025 16:30:33 +0800
Subject: [PATCH] [JumpThreading] Clear LoopLatches for each invocation of
 JumpThreading pass.

Clear LoopLatches after each resolved function is finished to avoid
non-determinisc that I encountered in mingw environment.
---
 llvm/lib/Transforms/Scalar/JumpThreading.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Transforms/Scalar/JumpThreading.cpp b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
index 7b221a814aabd..48bc868e6601b 100644
--- a/llvm/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
@@ -379,6 +379,7 @@ bool JumpThreadingPass::runImpl(Function &F_, FunctionAnalysisManager *FAM_,
     }
 
   LoopHeaders.clear();
+  LoopLatches.clear();
   return EverChanged;
 }