[llvm] [llvm] Remove redundant control flow statements (NFC) (PR #163509)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/163509

None

>From b026837262528caee3005a5b3fd1b21523029496 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sun, 12 Oct 2025 16:46:32 -0700
Subject: [PATCH] [llvm] Remove redundant control flow statements (NFC)

---
 llvm/include/llvm/Analysis/IR2Vec.h                | 2 +-
 llvm/lib/CAS/OnDiskTrieRawHashMap.cpp              | 2 --
 llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp       | 2 --
 llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp | 1 -
 llvm/lib/Transforms/Utils/LoopUnroll.cpp           | 1 -
 5 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/llvm/include/llvm/Analysis/IR2Vec.h b/llvm/include/llvm/Analysis/IR2Vec.h
index 6bc51feb580d9..5ad62880a779c 100644
--- a/llvm/include/llvm/Analysis/IR2Vec.h
+++ b/llvm/include/llvm/Analysis/IR2Vec.h
@@ -575,7 +575,7 @@ class Embedder {
   /// cached embeddings should be invalidated to ensure
   /// correctness/recomputation. This is a no-op for SymbolicEmbedder but
   /// removes all the cached entries in FlowAwareEmbedder.
-  virtual void invalidateEmbeddings() { return; }
+  virtual void invalidateEmbeddings() {}
 };
 
 /// Class for computing the Symbolic embeddings of IR2Vec.
diff --git a/llvm/lib/CAS/OnDiskTrieRawHashMap.cpp b/llvm/lib/CAS/OnDiskTrieRawHashMap.cpp
index 323b21e7cb691..4e6f93ecb460e 100644
--- a/llvm/lib/CAS/OnDiskTrieRawHashMap.cpp
+++ b/llvm/lib/CAS/OnDiskTrieRawHashMap.cpp
@@ -1102,8 +1102,6 @@ void TrieRawHashMapHandle::print(
 
   if (auto Err = Printer.printRecords())
     OS << "error: " << toString(std::move(Err)) << "\n";
-
-  return;
 }
 
 Error TrieRawHashMapHandle::validate(
diff --git a/llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp b/llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp
index c684f9e3a6e2c..01a40c1e38817 100644
--- a/llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp
+++ b/llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp
@@ -654,7 +654,6 @@ void SIPreEmitPeephole::collectUnpackingCandidates(
     if (TotalCyclesBetweenCandidates < NumMFMACycles - 1)
       InstrsToUnpack.insert(&Instr);
   }
-  return;
 }
 
 void SIPreEmitPeephole::performF32Unpacking(MachineInstr &I) {
@@ -681,7 +680,6 @@ void SIPreEmitPeephole::performF32Unpacking(MachineInstr &I) {
   HiDstOp.setIsRenamable(DstOp.isRenamable());
 
   I.eraseFromParent();
-  return;
 }
 
 MachineInstrBuilder SIPreEmitPeephole::createUnpackedMI(MachineInstr &I,
diff --git a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
index a466ab24560bb..a0cff4d82b500 100644
--- a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
@@ -3765,7 +3765,6 @@ void SPIRVInstructionSelector::decorateUsesAsNonUniform(
                       SPIRV::Decoration::NonUniformEXT, {});
     }
   }
-  return;
 }
 
 bool SPIRVInstructionSelector::extractSubvector(
diff --git a/llvm/lib/Transforms/Utils/LoopUnroll.cpp b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
index b18aceaa67d77..4fe736ac29b0a 100644
--- a/llvm/lib/Transforms/Utils/LoopUnroll.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
@@ -1106,7 +1106,6 @@ llvm::UnrollLoop(Loop *L, UnrollLoopOptions ULO, LoopInfo *LI,
       }
 
       Phi.replaceAllUsesWith(RdxResult);
-      continue;
     }
   }