[llvm] [R600] Unify divergent exit nodes before Structurize CFG (PR #66985)

[Anshil Gandhi via llvm-commits]

https://github.com/gandhi56 created https://github.com/llvm/llvm-project/pull/66985

Fixes #58210.

>From e2127d2fa1f7f7f4ab850fb3145abab2874d076f Mon Sep 17 00:00:00 2001
From: Anshil Gandhi <gandhi21299 at gmail.com>
Date: Thu, 21 Sep 2023 12:43:34 +0530
Subject: [PATCH] [R600] Unify divergent exit nodes before Structurize CFG

Fixes #58210.
---
 llvm/lib/Target/AMDGPU/R600TargetMachine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Target/AMDGPU/R600TargetMachine.cpp b/llvm/lib/Target/AMDGPU/R600TargetMachine.cpp
index 6cd4fd42444ddbf..5b4922d03e1cb6b 100644
--- a/llvm/lib/Target/AMDGPU/R600TargetMachine.cpp
+++ b/llvm/lib/Target/AMDGPU/R600TargetMachine.cpp
@@ -113,7 +113,7 @@ class R600PassConfig final : public AMDGPUPassConfig {
 
 bool R600PassConfig::addPreISel() {
   AMDGPUPassConfig::addPreISel();
-
+  addPass(&AMDGPUUnifyDivergentExitNodesID);
   if (EnableR600StructurizeCFG)
     addPass(createStructurizeCFGPass());
   return false;