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

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

<details>
<summary>Changes</summary>

Fixes #<!-- -->58210.

---
Full diff: https://github.com/llvm/llvm-project/pull/66985.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/R600TargetMachine.cpp (+1-1) 


``````````diff
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;

``````````

</details>


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