[OpenMP][NFC] Do not collect kernels if they are not used

[jdoerfert]

No description provided.

[llvmbot]

@llvm/pr-subscribers-llvm-transforms

Author: Johannes Doerfert (jdoerfert)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/135252.diff

1 Files Affected:

• (modified) llvm/lib/Transforms/IPO/OpenMPOpt.cpp (-2)

diff --git a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
index 95c42f2b9bd45..846ef7d8cfb95 100644
--- a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
+++ b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
@@ -5856,8 +5856,6 @@ PreservedAnalyses OpenMPOptCGSCCPass::run(LazyCallGraph::SCC &C,
   if (PrintModuleBeforeOptimizations)
     LLVM_DEBUG(dbgs() << TAG << "Module before OpenMPOpt CGSCC Pass:\n" << M);
 
-  KernelSet Kernels = getDeviceKernels(M);
-
   FunctionAnalysisManager &FAM =
       AM.getResult<FunctionAnalysisManagerCGSCCProxy>(C, CG).getManager();