[clang] cleanup 20250823 ret clang (PR #155138)

[Kazu Hirata via cfe-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/155138

- **[clang] Remove redundant control flow statements (NFC)**
- **[FLowSensitive] Remove unused using decls (NFC)**


>From dd372e97d9ec98eaa92e9aea5d853b1cb01a5eb4 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Fri, 22 Aug 2025 21:53:32 -0700
Subject: [PATCH 1/2] [clang] Remove redundant control flow statements (NFC)

---
 clang/lib/CodeGen/Targets/RISCV.cpp  | 1 -
 clang/lib/Driver/Driver.cpp          | 1 -
 clang/lib/Driver/ToolChains/HLSL.cpp | 1 -
 3 files changed, 3 deletions(-)

diff --git a/clang/lib/CodeGen/Targets/RISCV.cpp b/clang/lib/CodeGen/Targets/RISCV.cpp
index cbb0255fdb03a..264595a6e4b76 100644
--- a/clang/lib/CodeGen/Targets/RISCV.cpp
+++ b/clang/lib/CodeGen/Targets/RISCV.cpp
@@ -955,7 +955,6 @@ void RISCVABIInfo::createCoercedStore(llvm::Value *Val, Address Dst,
       cast<llvm::FixedVectorType>(EltTy), Val, uint64_t(0));
   auto *I = CGF.Builder.CreateStore(Coerced, Dst, DestIsVolatile);
   CGF.addInstToCurrentSourceAtom(I, Val);
-  return;
 }
 
 namespace {
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index d682ffc832c83..34eaad43d6f79 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -4672,7 +4672,6 @@ void Driver::BuildDriverManagedModuleBuildActions(
     Compilation &C, llvm::opt::DerivedArgList &Args, const InputList &Inputs,
     ActionList &Actions) const {
   Diags.Report(diag::remark_performing_driver_managed_module_build);
-  return;
 }
 
 /// Returns the canonical name for the offloading architecture when using a HIP
diff --git a/clang/lib/Driver/ToolChains/HLSL.cpp b/clang/lib/Driver/ToolChains/HLSL.cpp
index 4fedb5dd0ac40..eaa7d736719b5 100644
--- a/clang/lib/Driver/ToolChains/HLSL.cpp
+++ b/clang/lib/Driver/ToolChains/HLSL.cpp
@@ -215,7 +215,6 @@ void getSpirvExtOperand(StringRef SpvExtensionArg, raw_ostream &out) {
     return;
   }
   out << SpvExtensionArg;
-  return;
 }
 
 SmallString<1024> getSpirvExtArg(ArrayRef<std::string> SpvExtensionArgs) {

>From 6e6444fd42c6795604a5aa54cbe3b73052240fa4 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Fri, 22 Aug 2025 21:55:38 -0700
Subject: [PATCH 2/2] [FLowSensitive] Remove unused using decls (NFC)

---
 clang/unittests/Analysis/FlowSensitive/FormulaTest.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/clang/unittests/Analysis/FlowSensitive/FormulaTest.cpp b/clang/unittests/Analysis/FlowSensitive/FormulaTest.cpp
index cabcd59fffedc..db9c02854c7fa 100644
--- a/clang/unittests/Analysis/FlowSensitive/FormulaTest.cpp
+++ b/clang/unittests/Analysis/FlowSensitive/FormulaTest.cpp
@@ -22,8 +22,6 @@ using namespace dataflow;
 using ::llvm::Failed;
 using ::llvm::HasValue;
 using ::llvm::Succeeded;
-using ::testing::ElementsAre;
-using ::testing::IsEmpty;
 
 class SerializeFormulaTest : public ::testing::Test {
 protected: