[clang] [llvm] [mlir] [polly] [NFC] Rename `Intrinsic::getDeclaration` to `getOrInsertDeclaration` (PR #111752)

via cfe-commits cfe-commits at lists.llvm.org
Wed Oct 9 16:06:14 PDT 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-risc-v

Author: Rahul Joshi (jurahul)

<details>
<summary>Changes</summary>

Rename the function to reflect its correct behavior and to be consistent with `Module::getOrInsertFunction`. This is also in preparation of adding a new `Intrinsic::getDeclaration` that will have behavior similar to `Module::getFunction` (i.e, just lookup, no creation).

---

Patch is 245.25 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/111752.diff


137 Files Affected:

- (modified) clang/lib/CodeGen/CGBuiltin.cpp (+6-5) 
- (modified) clang/lib/CodeGen/CGDecl.cpp (+4-4) 
- (modified) clang/lib/CodeGen/CGException.cpp (+2-2) 
- (modified) clang/lib/CodeGen/CodeGenFunction.cpp (+2-2) 
- (modified) clang/lib/CodeGen/CodeGenModule.cpp (+2-2) 
- (modified) clang/lib/CodeGen/Targets/SystemZ.cpp (+2-2) 
- (modified) llvm/examples/BrainF/BrainF.cpp (+2-2) 
- (modified) llvm/include/llvm-c/Core.h (+2-2) 
- (modified) llvm/include/llvm/IR/IntrinsicInst.h (+3-3) 
- (modified) llvm/include/llvm/IR/Intrinsics.h (+5-4) 
- (modified) llvm/include/llvm/IR/MatrixBuilder.h (+4-4) 
- (modified) llvm/lib/AsmParser/LLParser.cpp (+1-1) 
- (modified) llvm/lib/CodeGen/ExpandLargeFpConvert.cpp (+1-1) 
- (modified) llvm/lib/CodeGen/ExpandMemCmp.cpp (+1-1) 
- (modified) llvm/lib/CodeGen/ExpandVectorPredication.cpp (+7-7) 
- (modified) llvm/lib/CodeGen/HardwareLoops.cpp (+5-7) 
- (modified) llvm/lib/CodeGen/IntrinsicLowering.cpp (+1-1) 
- (modified) llvm/lib/CodeGen/SafeStack.cpp (+2-1) 
- (modified) llvm/lib/CodeGen/SjLjEHPrepare.cpp (+12-10) 
- (modified) llvm/lib/CodeGen/StackProtector.cpp (+3-2) 
- (modified) llvm/lib/CodeGen/WasmEHPrepare.cpp (+9-6) 
- (modified) llvm/lib/IR/AutoUpgrade.cpp (+165-153) 
- (modified) llvm/lib/IR/Core.cpp (+1-1) 
- (modified) llvm/lib/IR/DIBuilder.cpp (+4-4) 
- (modified) llvm/lib/IR/DebugProgramInstruction.cpp (+4-4) 
- (modified) llvm/lib/IR/IRBuilder.cpp (+50-46) 
- (modified) llvm/lib/IR/IntrinsicInst.cpp (+14-15) 
- (modified) llvm/lib/IR/Intrinsics.cpp (+3-2) 
- (modified) llvm/lib/IR/Module.cpp (+5-4) 
- (modified) llvm/lib/IR/VectorBuilder.cpp (+2-2) 
- (modified) llvm/lib/Target/AArch64/AArch64ISelLowering.cpp (+16-13) 
- (modified) llvm/lib/Target/AArch64/AArch64StackTagging.cpp (+9-9) 
- (modified) llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp (+1-1) 
- (modified) llvm/lib/Target/AArch64/SMEABIPass.cpp (+7-7) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp (+12-12) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp (+8-7) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUImageIntrinsicOptimizer.cpp (+1-1) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp (+9-8) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp (+2-2) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPULibCalls.cpp (+7-6) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPULowerModuleLDSPass.cpp (+4-4) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp (+7-7) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUSwLowerLDS.cpp (+6-5) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp (+2-2) 
- (modified) llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp (+2-2) 
- (modified) llvm/lib/Target/AMDGPU/SIAnnotateControlFlow.cpp (+9-7) 
- (modified) llvm/lib/Target/ARM/ARMISelLowering.cpp (+13-12) 
- (modified) llvm/lib/Target/ARM/ARMParallelDSP.cpp (+7-6) 
- (modified) llvm/lib/Target/ARM/MVETailPredication.cpp (+1-1) 
- (modified) llvm/lib/Target/BPF/BPFAbstractMemberAccess.cpp (+1-1) 
- (modified) llvm/lib/Target/BPF/BPFAdjustOpt.cpp (+1-1) 
- (modified) llvm/lib/Target/BPF/BPFPreserveStaticOffset.cpp (+1-1) 
- (modified) llvm/lib/Target/DirectX/DXILOpLowering.cpp (+2-2) 
- (modified) llvm/lib/Target/Hexagon/HexagonGenExtract.cpp (+1-1) 
- (modified) llvm/lib/Target/Hexagon/HexagonISelLowering.cpp (+2-2) 
- (modified) llvm/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp (+2-1) 
- (modified) llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp (+6-5) 
- (modified) llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp (+2-2) 
- (modified) llvm/lib/Target/NVPTX/NVPTXLowerArgs.cpp (+1-1) 
- (modified) llvm/lib/Target/NVPTX/NVPTXTargetTransformInfo.cpp (+2-1) 
- (modified) llvm/lib/Target/PowerPC/PPCISelLowering.cpp (+4-4) 
- (modified) llvm/lib/Target/PowerPC/PPCLowerMASSVEntries.cpp (+1-1) 
- (modified) llvm/lib/Target/RISCV/RISCVISelLowering.cpp (+15-15) 
- (modified) llvm/lib/Target/SPIRV/SPIRVPrepareFunctions.cpp (+4-4) 
- (modified) llvm/lib/Target/SystemZ/SystemZTDC.cpp (+2-2) 
- (modified) llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp (+1-1) 
- (modified) llvm/lib/Target/WebAssembly/WebAssemblyLowerRefTypesIntPtrConv.cpp (+1-1) 
- (modified) llvm/lib/Target/X86/X86ISelLowering.cpp (+6-4) 
- (modified) llvm/lib/Target/X86/X86InstCombineIntrinsic.cpp (+4-2) 
- (modified) llvm/lib/Target/X86/X86PartialReduction.cpp (+1-1) 
- (modified) llvm/lib/Target/X86/X86WinEHState.cpp (+8-8) 
- (modified) llvm/lib/Target/XCore/XCoreLowerThreadLocal.cpp (+2-2) 
- (modified) llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp (+6-5) 
- (modified) llvm/lib/Transforms/Coroutines/Coroutines.cpp (+3-2) 
- (modified) llvm/lib/Transforms/IPO/CrossDSOCFI.cpp (+2-1) 
- (modified) llvm/lib/Transforms/IPO/SampleProfileProbe.cpp (+1-1) 
- (modified) llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp (+7-5) 
- (modified) llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp (+4-3) 
- (modified) llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp (+9-5) 
- (modified) llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp (+18-11) 
- (modified) llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp (+8-7) 
- (modified) llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp (+9-9) 
- (modified) llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp (+10-9) 
- (modified) llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp (+1-1) 
- (modified) llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp (+4-4) 
- (modified) llvm/lib/Transforms/InstCombine/InstructionCombining.cpp (+3-3) 
- (modified) llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Instrumentation/KCFI.cpp (+2-1) 
- (modified) llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp (+3-3) 
- (modified) llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp (+12-11) 
- (modified) llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp (+4-3) 
- (modified) llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h (+1-1) 
- (modified) llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp (+8-6) 
- (modified) llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Scalar/LoopFlatten.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Scalar/MakeGuardsExplicit.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Scalar/Scalarizer.cpp (+3-2) 
- (modified) llvm/lib/Transforms/Utils/AssumeBundleBuilder.cpp (+2-1) 
- (modified) llvm/lib/Transforms/Utils/CloneFunction.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Utils/CodeExtractor.cpp (+2-1) 
- (modified) llvm/lib/Transforms/Utils/EntryExitInstrumenter.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Utils/InlineFunction.cpp (+4-3) 
- (modified) llvm/lib/Transforms/Utils/IntegerDivision.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Utils/Local.cpp (+2-1) 
- (modified) llvm/lib/Transforms/Utils/LowerGlobalDtors.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Utils/MemoryTaggingSupport.cpp (+3-3) 
- (modified) llvm/lib/Transforms/Utils/PredicateInfo.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Utils/RelLookupTableConverter.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp (+2-2) 
- (modified) llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp (+1-1) 
- (modified) llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp (+1-1) 
- (modified) llvm/tools/llvm-reduce/deltas/ReduceOpcodes.cpp (+1-1) 
- (modified) llvm/unittests/Analysis/AssumeBundleQueriesTest.cpp (+2-1) 
- (modified) llvm/unittests/Analysis/MemorySSATest.cpp (+1-1) 
- (modified) llvm/unittests/Analysis/ValueTrackingTest.cpp (+2-2) 
- (modified) llvm/unittests/IR/BasicBlockTest.cpp (+5-3) 
- (modified) llvm/unittests/IR/DebugInfoTest.cpp (+2-1) 
- (modified) llvm/unittests/IR/IRBuilderTest.cpp (+3-2) 
- (modified) llvm/unittests/IR/IntrinsicsTest.cpp (+1-1) 
- (modified) llvm/unittests/IR/PatternMatch.cpp (+1-1) 
- (modified) llvm/unittests/IR/VPIntrinsicTest.cpp (+2-2) 
- (modified) llvm/unittests/Transforms/Vectorize/VPlanTest.cpp (+2-1) 
- (modified) mlir/include/mlir/Dialect/LLVMIR/LLVMIntrinsicOps.td (+3-3) 
- (modified) mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp (+3-2) 
- (modified) mlir/lib/Target/LLVMIR/ModuleTranslation.cpp (+4-3) 
- (modified) polly/lib/CodeGen/IslExprBuilder.cpp (+6-6) 
- (modified) polly/lib/CodeGen/PerfMonitor.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 57705f2d2d0423..7efa59cf16c185 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -13648,7 +13648,7 @@ Value *CodeGenFunction::EmitBPFBuiltinExpr(unsigned BuiltinID,
     Value *InfoKind = ConstantInt::get(Int64Ty, C->getSExtValue());
 
     // Built the IR for the preserve_field_info intrinsic.
-    llvm::Function *FnGetFieldInfo = llvm::Intrinsic::getDeclaration(
+    llvm::Function *FnGetFieldInfo = llvm::Intrinsic::getOrInsertDeclaration(
         &CGM.getModule(), llvm::Intrinsic::bpf_preserve_field_info,
         {FieldAddr->getType()});
     return Builder.CreateCall(FnGetFieldInfo, {FieldAddr, InfoKind});
@@ -13670,10 +13670,10 @@ Value *CodeGenFunction::EmitBPFBuiltinExpr(unsigned BuiltinID,
 
     llvm::Function *FnDecl;
     if (BuiltinID == BPF::BI__builtin_btf_type_id)
-      FnDecl = llvm::Intrinsic::getDeclaration(
+      FnDecl = llvm::Intrinsic::getOrInsertDeclaration(
           &CGM.getModule(), llvm::Intrinsic::bpf_btf_type_id, {});
     else
-      FnDecl = llvm::Intrinsic::getDeclaration(
+      FnDecl = llvm::Intrinsic::getOrInsertDeclaration(
           &CGM.getModule(), llvm::Intrinsic::bpf_preserve_type_info, {});
     CallInst *Fn = Builder.CreateCall(FnDecl, {SeqNumVal, FlagValue});
     Fn->setMetadata(LLVMContext::MD_preserve_access_index, DbgInfo);
@@ -13708,7 +13708,7 @@ Value *CodeGenFunction::EmitBPFBuiltinExpr(unsigned BuiltinID,
     Value *FlagValue = ConstantInt::get(Int64Ty, Flag->getSExtValue());
     Value *SeqNumVal = ConstantInt::get(Int32Ty, BuiltinSeqNum++);
 
-    llvm::Function *IntrinsicFn = llvm::Intrinsic::getDeclaration(
+    llvm::Function *IntrinsicFn = llvm::Intrinsic::getOrInsertDeclaration(
         &CGM.getModule(), llvm::Intrinsic::bpf_preserve_enum_value, {});
     CallInst *Fn =
         Builder.CreateCall(IntrinsicFn, {SeqNumVal, EnumStrVal, FlagValue});
@@ -18873,7 +18873,8 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
   }
   case Builtin::BI__builtin_hlsl_wave_is_first_lane: {
     Intrinsic::ID ID = CGM.getHLSLRuntime().getWaveIsFirstLaneIntrinsic();
-    return EmitRuntimeCall(Intrinsic::getDeclaration(&CGM.getModule(), ID));
+    return EmitRuntimeCall(
+        Intrinsic::getOrInsertDeclaration(&CGM.getModule(), ID));
   }
   case Builtin::BI__builtin_hlsl_elementwise_sign: {
     Value *Op0 = EmitScalarExpr(E->getArg(0));
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp
index 563f728e29d781..30af9268b30e2e 100644
--- a/clang/lib/CodeGen/CGDecl.cpp
+++ b/clang/lib/CodeGen/CGDecl.cpp
@@ -2509,8 +2509,8 @@ void CodeGenFunction::pushRegularPartialArrayCleanup(llvm::Value *arrayBegin,
 llvm::Function *CodeGenModule::getLLVMLifetimeStartFn() {
   if (LifetimeStartFn)
     return LifetimeStartFn;
-  LifetimeStartFn = llvm::Intrinsic::getDeclaration(&getModule(),
-    llvm::Intrinsic::lifetime_start, AllocaInt8PtrTy);
+  LifetimeStartFn = llvm::Intrinsic::getOrInsertDeclaration(
+      &getModule(), llvm::Intrinsic::lifetime_start, AllocaInt8PtrTy);
   return LifetimeStartFn;
 }
 
@@ -2518,8 +2518,8 @@ llvm::Function *CodeGenModule::getLLVMLifetimeStartFn() {
 llvm::Function *CodeGenModule::getLLVMLifetimeEndFn() {
   if (LifetimeEndFn)
     return LifetimeEndFn;
-  LifetimeEndFn = llvm::Intrinsic::getDeclaration(&getModule(),
-    llvm::Intrinsic::lifetime_end, AllocaInt8PtrTy);
+  LifetimeEndFn = llvm::Intrinsic::getOrInsertDeclaration(
+      &getModule(), llvm::Intrinsic::lifetime_end, AllocaInt8PtrTy);
   return LifetimeEndFn;
 }
 
diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp
index bb2ed237ee9f35..44a45413dbc45a 100644
--- a/clang/lib/CodeGen/CGException.cpp
+++ b/clang/lib/CodeGen/CGException.cpp
@@ -1843,7 +1843,7 @@ Address CodeGenFunction::recoverAddrOfEscapedLocal(CodeGenFunction &ParentCGF,
         std::make_pair(ParentAlloca, ParentCGF.EscapedLocals.size()));
     int FrameEscapeIdx = InsertPair.first->second;
     // call ptr @llvm.localrecover(ptr @parentFn, ptr %fp, i32 N)
-    llvm::Function *FrameRecoverFn = llvm::Intrinsic::getDeclaration(
+    llvm::Function *FrameRecoverFn = llvm::Intrinsic::getOrInsertDeclaration(
         &CGM.getModule(), llvm::Intrinsic::localrecover);
     RecoverCall = Builder.CreateCall(
         FrameRecoverFn, {ParentCGF.CurFn, ParentFP,
@@ -1942,7 +1942,7 @@ void CodeGenFunction::EmitCapturedLocals(CodeGenFunction &ParentCGF,
       // %1 = call ptr @llvm.localrecover(@"?fin$0 at 0@main@@",..)
       // %2 = load ptr, ptr %1, align 8
       //   ==> %2 is the frame-pointer of outermost host function
-      llvm::Function *FrameRecoverFn = llvm::Intrinsic::getDeclaration(
+      llvm::Function *FrameRecoverFn = llvm::Intrinsic::getOrInsertDeclaration(
           &CGM.getModule(), llvm::Intrinsic::localrecover);
       ParentFP = Builder.CreateCall(
           FrameRecoverFn, {ParentCGF.CurFn, ParentFP,
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index e1fd9b72b8d7b2..f3023c7a20c405 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -463,7 +463,7 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) {
     EscapeArgs.resize(EscapedLocals.size());
     for (auto &Pair : EscapedLocals)
       EscapeArgs[Pair.second] = Pair.first;
-    llvm::Function *FrameEscapeFn = llvm::Intrinsic::getDeclaration(
+    llvm::Function *FrameEscapeFn = llvm::Intrinsic::getOrInsertDeclaration(
         &CGM.getModule(), llvm::Intrinsic::localescape);
     CGBuilderTy(*this, AllocaInsertPt).CreateCall(FrameEscapeFn, EscapeArgs);
   }
@@ -3130,7 +3130,7 @@ void CodeGenFunction::emitAlignmentAssumptionCheck(
     llvm::Instruction *Assumption) {
   assert(isa_and_nonnull<llvm::CallInst>(Assumption) &&
          cast<llvm::CallInst>(Assumption)->getCalledOperand() ==
-             llvm::Intrinsic::getDeclaration(
+             llvm::Intrinsic::getOrInsertDeclaration(
                  Builder.GetInsertBlock()->getParent()->getParent(),
                  llvm::Intrinsic::assume) &&
          "Assumption should be a call to llvm.assume().");
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 5ba098144a74e7..7a7dea4668ad09 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -6218,8 +6218,8 @@ void CodeGenModule::emitIFuncDefinition(GlobalDecl GD) {
 
 llvm::Function *CodeGenModule::getIntrinsic(unsigned IID,
                                             ArrayRef<llvm::Type*> Tys) {
-  return llvm::Intrinsic::getDeclaration(&getModule(), (llvm::Intrinsic::ID)IID,
-                                         Tys);
+  return llvm::Intrinsic::getOrInsertDeclaration(&getModule(),
+                                                 (llvm::Intrinsic::ID)IID, Tys);
 }
 
 static llvm::StringMapEntry<llvm::GlobalVariable *> &
diff --git a/clang/lib/CodeGen/Targets/SystemZ.cpp b/clang/lib/CodeGen/Targets/SystemZ.cpp
index 56129622f48dbd..23c96fa5cf98cb 100644
--- a/clang/lib/CodeGen/Targets/SystemZ.cpp
+++ b/clang/lib/CodeGen/Targets/SystemZ.cpp
@@ -110,8 +110,8 @@ class SystemZTargetCodeGenInfo : public TargetCodeGenInfo {
     if (Ty->isFloatTy() || Ty->isDoubleTy() || Ty->isFP128Ty()) {
       llvm::Module &M = CGM.getModule();
       auto &Ctx = M.getContext();
-      llvm::Function *TDCFunc =
-          llvm::Intrinsic::getDeclaration(&M, llvm::Intrinsic::s390_tdc, Ty);
+      llvm::Function *TDCFunc = llvm::Intrinsic::getOrInsertDeclaration(
+          &M, llvm::Intrinsic::s390_tdc, Ty);
       unsigned TDCBits = 0;
       switch (BuiltinID) {
       case Builtin::BI__builtin_isnan:
diff --git a/llvm/examples/BrainF/BrainF.cpp b/llvm/examples/BrainF/BrainF.cpp
index ac01961735e137..e62cc7bd591a3f 100644
--- a/llvm/examples/BrainF/BrainF.cpp
+++ b/llvm/examples/BrainF/BrainF.cpp
@@ -67,8 +67,8 @@ void BrainF::header(LLVMContext& C) {
 
   //declare void @llvm.memset.p0i8.i32(i8 *, i8, i32, i1)
   Type *Tys[] = {PointerType::getUnqual(C), Type::getInt32Ty(C)};
-  Function *memset_func = Intrinsic::getDeclaration(module, Intrinsic::memset,
-                                                    Tys);
+  Function *memset_func =
+      Intrinsic::getOrInsertDeclaration(module, Intrinsic::memset, Tys);
 
   //declare i32 @getchar()
   getchar_func =
diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index 28dc270ca368d2..55649d89a6b8f4 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -2807,10 +2807,10 @@ unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen);
 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn);
 
 /**
- * Create or insert the declaration of an intrinsic.  For overloaded intrinsics,
+ * Get or insert the declaration of an intrinsic.  For overloaded intrinsics,
  * parameter types must be provided to uniquely identify an overload.
  *
- * @see llvm::Intrinsic::getDeclaration()
+ * @see llvm::Intrinsic::getOrInsertDeclaration()
  */
 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
                                          unsigned ID,
diff --git a/llvm/include/llvm/IR/IntrinsicInst.h b/llvm/include/llvm/IR/IntrinsicInst.h
index 4458126ffa759d..920eed01374c83 100644
--- a/llvm/include/llvm/IR/IntrinsicInst.h
+++ b/llvm/include/llvm/IR/IntrinsicInst.h
@@ -568,9 +568,9 @@ class VPIntrinsic : public IntrinsicInst {
   /// \brief Declares a llvm.vp.* intrinsic in \p M that matches the parameters
   /// \p Params. Additionally, the load and gather intrinsics require
   /// \p ReturnType to be specified.
-  static Function *getDeclarationForParams(Module *M, Intrinsic::ID,
-                                           Type *ReturnType,
-                                           ArrayRef<Value *> Params);
+  static Function *getOrInsertDeclarationForParams(Module *M, Intrinsic::ID,
+                                                   Type *ReturnType,
+                                                   ArrayRef<Value *> Params);
 
   static std::optional<unsigned> getMaskParamPos(Intrinsic::ID IntrinsicID);
   static std::optional<unsigned> getVectorLengthParamPos(
diff --git a/llvm/include/llvm/IR/Intrinsics.h b/llvm/include/llvm/IR/Intrinsics.h
index b251036247c5c0..8c37925732a83a 100644
--- a/llvm/include/llvm/IR/Intrinsics.h
+++ b/llvm/include/llvm/IR/Intrinsics.h
@@ -87,14 +87,15 @@ namespace Intrinsic {
   /// Return the attributes for an intrinsic.
   AttributeList getAttributes(LLVMContext &C, ID id);
 
-  /// Create or insert an LLVM Function declaration for an intrinsic, and return
-  /// it.
+  /// Look up the Function declaration of the intrinsic \p id in the Module
+  /// \p M. If it does not exist, add a declaration and return it. Otherwise,
+  /// return the existing declaration.
   ///
-  /// The Tys parameter is for intrinsics with overloaded types (e.g., those
+  /// The \p Tys parameter is for intrinsics with overloaded types (e.g., those
   /// using iAny, fAny, vAny, or iPTRAny).  For a declaration of an overloaded
   /// intrinsic, Tys must provide exactly one type for each overloaded type in
   /// the intrinsic.
-  Function *getDeclaration(Module *M, ID id, ArrayRef<Type *> Tys = {});
+  Function *getOrInsertDeclaration(Module *M, ID id, ArrayRef<Type *> Tys = {});
 
   /// Looks up Name in NameTable via binary search. NameTable must be sorted
   /// and all entries must start with "llvm.".  If NameTable contains an exact
diff --git a/llvm/include/llvm/IR/MatrixBuilder.h b/llvm/include/llvm/IR/MatrixBuilder.h
index dbf2cfb7c5e966..3a04ca87f2b558 100644
--- a/llvm/include/llvm/IR/MatrixBuilder.h
+++ b/llvm/include/llvm/IR/MatrixBuilder.h
@@ -72,7 +72,7 @@ class MatrixBuilder {
                     B.getInt32(Columns)};
     Type *OverloadedTypes[] = {RetType, Stride->getType()};
 
-    Function *TheFn = Intrinsic::getDeclaration(
+    Function *TheFn = Intrinsic::getOrInsertDeclaration(
         getModule(), Intrinsic::matrix_column_major_load, OverloadedTypes);
 
     CallInst *Call = B.CreateCall(TheFn->getFunctionType(), TheFn, Ops, Name);
@@ -95,7 +95,7 @@ class MatrixBuilder {
                     B.getInt32(Rows), B.getInt32(Columns)};
     Type *OverloadedTypes[] = {Matrix->getType(), Stride->getType()};
 
-    Function *TheFn = Intrinsic::getDeclaration(
+    Function *TheFn = Intrinsic::getOrInsertDeclaration(
         getModule(), Intrinsic::matrix_column_major_store, OverloadedTypes);
 
     CallInst *Call = B.CreateCall(TheFn->getFunctionType(), TheFn, Ops, Name);
@@ -115,7 +115,7 @@ class MatrixBuilder {
 
     Type *OverloadedTypes[] = {ReturnType};
     Value *Ops[] = {Matrix, B.getInt32(Rows), B.getInt32(Columns)};
-    Function *TheFn = Intrinsic::getDeclaration(
+    Function *TheFn = Intrinsic::getOrInsertDeclaration(
         getModule(), Intrinsic::matrix_transpose, OverloadedTypes);
 
     return B.CreateCall(TheFn->getFunctionType(), TheFn, Ops, Name);
@@ -136,7 +136,7 @@ class MatrixBuilder {
                     B.getInt32(RHSColumns)};
     Type *OverloadedTypes[] = {ReturnType, LHSType, RHSType};
 
-    Function *TheFn = Intrinsic::getDeclaration(
+    Function *TheFn = Intrinsic::getOrInsertDeclaration(
         getModule(), Intrinsic::matrix_multiply, OverloadedTypes);
     return B.CreateCall(TheFn->getFunctionType(), TheFn, Ops, Name);
   }
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index 9f2ef2e6a9311e..54eb18bafc03f8 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -360,7 +360,7 @@ bool LLParser::validateEndOfModule(bool UpgradeDebugInfo) {
                                               OverloadTys))
           return error(Info.second, "invalid intrinsic signature");
 
-        U.set(Intrinsic::getDeclaration(M, IID, OverloadTys));
+        U.set(Intrinsic::getOrInsertDeclaration(M, IID, OverloadTys));
       }
 
       Info.first->eraseFromParent();
diff --git a/llvm/lib/CodeGen/ExpandLargeFpConvert.cpp b/llvm/lib/CodeGen/ExpandLargeFpConvert.cpp
index 11f123aa5bed85..0a3d0cf8ec9300 100644
--- a/llvm/lib/CodeGen/ExpandLargeFpConvert.cpp
+++ b/llvm/lib/CodeGen/ExpandLargeFpConvert.cpp
@@ -356,7 +356,7 @@ static void expandIToFP(Instruction *IToFP) {
   Entry->getTerminator()->eraseFromParent();
 
   Function *CTLZ =
-      Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctlz, IntTy);
+      Intrinsic::getOrInsertDeclaration(F->getParent(), Intrinsic::ctlz, IntTy);
   ConstantInt *True = Builder.getTrue();
 
   // entry:
diff --git a/llvm/lib/CodeGen/ExpandMemCmp.cpp b/llvm/lib/CodeGen/ExpandMemCmp.cpp
index 04222d5b4afd4c..6d626de0b4e635 100644
--- a/llvm/lib/CodeGen/ExpandMemCmp.cpp
+++ b/llvm/lib/CodeGen/ExpandMemCmp.cpp
@@ -355,7 +355,7 @@ MemCmpExpansion::LoadPair MemCmpExpansion::getLoadPair(Type *LoadSizeType,
 
   // Swap bytes if required.
   if (BSwapSizeType) {
-    Function *Bswap = Intrinsic::getDeclaration(
+    Function *Bswap = Intrinsic::getOrInsertDeclaration(
         CI->getModule(), Intrinsic::bswap, BSwapSizeType);
     Lhs = Builder.CreateCall(Bswap, Lhs);
     Rhs = Builder.CreateCall(Bswap, Rhs);
diff --git a/llvm/lib/CodeGen/ExpandVectorPredication.cpp b/llvm/lib/CodeGen/ExpandVectorPredication.cpp
index ffe879ff049648..32ba3e91822ddb 100644
--- a/llvm/lib/CodeGen/ExpandVectorPredication.cpp
+++ b/llvm/lib/CodeGen/ExpandVectorPredication.cpp
@@ -237,7 +237,7 @@ Value *CachingVPExpander::convertEVLToMask(IRBuilder<> &Builder,
   if (ElemCount.isScalable()) {
     auto *M = Builder.GetInsertBlock()->getModule();
     Type *BoolVecTy = VectorType::get(Builder.getInt1Ty(), ElemCount);
-    Function *ActiveMaskFunc = Intrinsic::getDeclaration(
+    Function *ActiveMaskFunc = Intrinsic::getOrInsertDeclaration(
         M, Intrinsic::get_active_lane_mask, {BoolVecTy, EVLParam->getType()});
     // `get_active_lane_mask` performs an implicit less-than comparison.
     Value *ConstZero = Builder.getInt32(0);
@@ -299,7 +299,7 @@ Value *CachingVPExpander::expandPredicationToIntCall(
   case Intrinsic::umin: {
     Value *Op0 = VPI.getOperand(0);
     Value *Op1 = VPI.getOperand(1);
-    Function *Fn = Intrinsic::getDeclaration(
+    Function *Fn = Intrinsic::getOrInsertDeclaration(
         VPI.getModule(), UnpredicatedIntrinsicID, {VPI.getType()});
     Value *NewOp = Builder.CreateCall(Fn, {Op0, Op1}, VPI.getName());
     replaceOperation(*NewOp, VPI);
@@ -308,7 +308,7 @@ Value *CachingVPExpander::expandPredicationToIntCall(
   case Intrinsic::bswap:
   case Intrinsic::bitreverse: {
     Value *Op = VPI.getOperand(0);
-    Function *Fn = Intrinsic::getDeclaration(
+    Function *Fn = Intrinsic::getOrInsertDeclaration(
         VPI.getModule(), UnpredicatedIntrinsicID, {VPI.getType()});
     Value *NewOp = Builder.CreateCall(Fn, {Op}, VPI.getName());
     replaceOperation(*NewOp, VPI);
@@ -327,7 +327,7 @@ Value *CachingVPExpander::expandPredicationToFPCall(
   case Intrinsic::fabs:
   case Intrinsic::sqrt: {
     Value *Op0 = VPI.getOperand(0);
-    Function *Fn = Intrinsic::getDeclaration(
+    Function *Fn = Intrinsic::getOrInsertDeclaration(
         VPI.getModule(), UnpredicatedIntrinsicID, {VPI.getType()});
     Value *NewOp = Builder.CreateCall(Fn, {Op0}, VPI.getName());
     replaceOperation(*NewOp, VPI);
@@ -337,7 +337,7 @@ Value *CachingVPExpander::expandPredicationToFPCall(
   case Intrinsic::minnum: {
     Value *Op0 = VPI.getOperand(0);
     Value *Op1 = VPI.getOperand(1);
-    Function *Fn = Intrinsic::getDeclaration(
+    Function *Fn = Intrinsic::getOrInsertDeclaration(
         VPI.getModule(), UnpredicatedIntrinsicID, {VPI.getType()});
     Value *NewOp = Builder.CreateCall(Fn, {Op0, Op1}, VPI.getName());
     replaceOperation(*NewOp, VPI);
@@ -350,7 +350,7 @@ Value *CachingVPExpander::expandPredicationToFPCall(
     Value *Op0 = VPI.getOperand(0);
     Value *Op1 = VPI.getOperand(1);
     Value *Op2 = VPI.getOperand(2);
-    Function *Fn = Intrinsic::getDeclaration(
+    Function *Fn = Intrinsic::getOrInsertDeclaration(
         VPI.getModule(), UnpredicatedIntrinsicID, {VPI.getType()});
     Value *NewOp;
     if (Intrinsic::isConstrainedFPIntrinsic(UnpredicatedIntrinsicID))
@@ -594,7 +594,7 @@ bool CachingVPExpander::discardEVLParameter(VPIntrinsic &VPI) {
     // TODO add caching
     auto *M = VPI.getModule();
     Function *VScaleFunc =
-        Intrinsic::getDeclaration(M, Intrinsic::vscale, Int32Ty);
+        Intrinsic::getOrInsertDeclaration(M, Intrinsic::vscale, Int32Ty);
     IRBuilder<> Builder(VPI.getParent(), VPI.getIterator());
     Value *FactorConst = Builder.getInt32(StaticElemCount.getKnownMinValue());
     Value *VScale = Builder.CreateCall(VScaleFunc, {}, "vscale");
diff --git a/llvm/lib/CodeGen/HardwareLoops.cpp b/llvm/lib/CodeGen/HardwareLoops.cpp
index 9205eabcf5684e..c8a63304a3b63b 100644
--- a/llvm/lib/CodeGen/HardwareLoops.cpp
+++ b/llvm/lib/CodeGen/HardwareLoops.cpp
@@ -512,7 +512,7 @@ Value* HardwareLoop::InsertIterationSetup(Value *LoopCountInit) {
                                    : Intrinsic::test_set_loop_iterations)
                          : (UsePhi ? Intrinsic::start_loop_iterations
                                    : Intrinsic::set_loop_iterations);
-  Function *LoopIter = Intrinsic::getDeclaration(M, ID, Ty);
+  Function *LoopIter = Intrinsic::getOrInsertDeclaration(M, ID, Ty);
   Value *LoopSetup = Builder.CreateCall(LoopIter, LoopCountInit);
 
   // Use the return value of the intrinsic to control the entry of the loop.
@@ -541,9 +541,8 @@ void HardwareLoop::InsertLoopDec() {
           Attribute::StrictFP))
     CondBuilder.setIsFPConstrained(true);
 
-  Function *DecFunc =
-    Intrinsic::getDeclaration(M, Intrinsic::loop_decrement,
-                              LoopDecrement->getType());
+  Function *DecFunc = Intrinsic::getOrInsertDeclaration(
+      M, Intrinsic::loop_decrement, LoopDecrement->getType());
   Value *Ops[] = { LoopDecrement };
   Value *NewCond = CondBuilder.CreateCall(DecFunc, Ops);
   Value *OldCond = ExitBranch->getCondition();
@@ -566,9 +565,8 @@ Instruction* HardwareLoop::InsertLoopRegDec(Value *EltsRem) {
           Attribute::StrictFP))
     CondBuilder.setIsFPConstrained(true);
 
-  Function *DecFunc =
-      Intrinsic::getDeclaration(M, Intrinsic::loop_decrement_reg,
-                                { EltsRem->getType() });
+  Function *DecFunc = Intrinsic:...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/111752


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