[Target] Use *{Set,Map}::contains (NFC)

Author: kazutakahirata

llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp

@@ -5263,10 +5263,10 @@ bool AMDGPUAsmParser::ParseDirectiveAMDHSAKernel() {
 #undef PARSE_BITS_ENTRY
   }
 
-  if (Seen.find(".amdhsa_next_free_vgpr") == Seen.end())
+  if (!Seen.contains(".amdhsa_next_free_vgpr"))
     return TokError(".amdhsa_next_free_vgpr directive is required");
 
-  if (Seen.find(".amdhsa_next_free_sgpr") == Seen.end())
+  if (!Seen.contains(".amdhsa_next_free_sgpr"))
     return TokError(".amdhsa_next_free_sgpr directive is required");
 
   unsigned VGPRBlocks;
@@ -5304,7 +5304,7 @@ bool AMDGPUAsmParser::ParseDirectiveAMDHSAKernel() {
                   UserSGPRCount);
 
   if (isGFX90A()) {
-    if (Seen.find(".amdhsa_accum_offset") == Seen.end())
+    if (!Seen.contains(".amdhsa_accum_offset"))
       return TokError(".amdhsa_accum_offset directive is required");
     if (AccumOffset < 4 || AccumOffset > 256 || (AccumOffset & 3))
       return TokError("accum_offset should be in range [4..256] in "

llvm/lib/Target/AMDGPU/R600ISelLowering.cpp

@@ -1656,15 +1656,15 @@ SDValue R600TargetLowering::OptimizeSwizzle(SDValue BuildVector, SDValue Swz[],
   BuildVector = CompactSwizzlableVector(DAG, BuildVector, SwizzleRemap);
   for (unsigned i = 0; i < 4; i++) {
     unsigned Idx = cast<ConstantSDNode>(Swz[i])->getZExtValue();
-    if (SwizzleRemap.find(Idx) != SwizzleRemap.end())
+    if (SwizzleRemap.contains(Idx))
       Swz[i] = DAG.getConstant(SwizzleRemap[Idx], DL, MVT::i32);
   }
 
   SwizzleRemap.clear();
   BuildVector = ReorganizeVector(DAG, BuildVector, SwizzleRemap);
   for (unsigned i = 0; i < 4; i++) {
     unsigned Idx = cast<ConstantSDNode>(Swz[i])->getZExtValue();
-    if (SwizzleRemap.find(Idx) != SwizzleRemap.end())
+    if (SwizzleRemap.contains(Idx))
       Swz[i] = DAG.getConstant(SwizzleRemap[Idx], DL, MVT::i32);
   }
 

llvm/lib/Target/AMDGPU/R600InstrInfo.cpp

@@ -328,7 +328,7 @@ R600InstrInfo::ExtractSrcs(MachineInstr &MI,
     if (Reg == R600::OQAP) {
       Result.push_back(std::pair(Index, 0U));
     }
-    if (PV.find(Reg) != PV.end()) {
+    if (PV.contains(Reg)) {
       // 255 is used to tells its a PS/PV reg
       Result.push_back(std::pair(255, 0U));
       continue;

llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp

@@ -2092,7 +2092,7 @@ bool SILoadStoreOptimizer::promoteConstantOffsetToImm(
   // Step1: Find the base-registers and a 64bit constant offset.
   MachineOperand &Base = *TII->getNamedOperand(MI, AMDGPU::OpName::vaddr);
   MemAddress MAddr;
-  if (Visited.find(&MI) == Visited.end()) {
+  if (!Visited.contains(&MI)) {
     processBaseWithConstOffset(Base, MAddr);
     Visited[&MI] = MAddr;
   } else
@@ -2155,7 +2155,7 @@ bool SILoadStoreOptimizer::promoteConstantOffsetToImm(
     const MachineOperand &BaseNext =
       *TII->getNamedOperand(MINext, AMDGPU::OpName::vaddr);
     MemAddress MAddrNext;
-    if (Visited.find(&MINext) == Visited.end()) {
+    if (!Visited.contains(&MINext)) {
       processBaseWithConstOffset(BaseNext, MAddrNext);
       Visited[&MINext] = MAddrNext;
     } else

llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.h

@@ -578,7 +578,7 @@ class SIMachineFunctionInfo final : public AMDGPUMachineFunction {
   // Check if an entry created for \p Reg in PrologEpilogSGPRSpills. Return true
   // on success and false otherwise.
   bool hasPrologEpilogSGPRSpillEntry(Register Reg) const {
-    return PrologEpilogSGPRSpills.find(Reg) != PrologEpilogSGPRSpills.end();
+    return PrologEpilogSGPRSpills.contains(Reg);
   }
 
   // Get the scratch SGPR if allocated to save/restore \p Reg.

llvm/lib/Target/BPF/BTFDebug.cpp

@@ -982,7 +982,7 @@ std::string BTFDebug::populateFileContent(const DISubprogram *SP) {
     FileName = std::string(File->getFilename());
 
   // No need to populate the contends if it has been populated!
-  if (FileContent.find(FileName) != FileContent.end())
+  if (FileContent.contains(FileName))
     return FileName;
 
   std::vector<std::string> Content;

llvm/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp

@@ -336,7 +336,7 @@ void Simplifier::Context::initialize(Instruction *Exp) {
 
   while (!Q.empty()) {
     Value *V = Q.pop_front_val();
-    if (M.find(V) != M.end())
+    if (M.contains(V))
       continue;
     if (Instruction *U = dyn_cast<Instruction>(V)) {
       if (isa<PHINode>(U) || U->getParent() != Block)

llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp

@@ -700,7 +700,7 @@ static bool useFuncSeen(const Constant *C,
       const Function *caller = bb->getParent();
       if (!caller)
         continue;
-      if (seenMap.find(caller) != seenMap.end())
+      if (seenMap.contains(caller))
         return true;
     }
   }
@@ -753,7 +753,7 @@ void NVPTXAsmPrinter::emitDeclarations(const Module &M, raw_ostream &O) {
       // If a caller has already been seen, then the caller is
       // appearing in the module before the callee. so print out
       // a declaration for the callee.
-      if (seenMap.find(caller) != seenMap.end()) {
+      if (seenMap.contains(caller)) {
         emitDeclaration(&F, O);
         break;
       }

llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp

@@ -910,7 +910,7 @@ bool PPCLoopInstrFormPrep::prepareBaseForDispFormChain(Bucket &BucketChain,
       unsigned Remainder = cast<SCEVConstant>(BucketChain.Elements[j].Offset)
                                ->getAPInt()
                                .urem(Form);
-      if (RemainderOffsetInfo.find(Remainder) == RemainderOffsetInfo.end())
+      if (!RemainderOffsetInfo.contains(Remainder))
         RemainderOffsetInfo[Remainder] = std::make_pair(j, 1);
       else
         RemainderOffsetInfo[Remainder].second++;
@@ -933,7 +933,7 @@ bool PPCLoopInstrFormPrep::prepareBaseForDispFormChain(Bucket &BucketChain,
   // 1 X form.
   unsigned MaxCountRemainder = 0;
   for (unsigned j = 0; j < (unsigned)Form; j++)
-    if ((RemainderOffsetInfo.find(j) != RemainderOffsetInfo.end()) &&
+    if ((RemainderOffsetInfo.contains(j)) &&
         RemainderOffsetInfo[j].second >
             RemainderOffsetInfo[MaxCountRemainder].second)
       MaxCountRemainder = j;

llvm/lib/Target/SystemZ/SystemZISelLowering.cpp

@@ -7580,10 +7580,10 @@ static void createPHIsForSelects(SmallVector<MachineInstr*, 8> &Selects,
     if (MI->getOperand(4).getImm() == (CCValid ^ CCMask))
       std::swap(TrueReg, FalseReg);
 
-    if (RegRewriteTable.find(TrueReg) != RegRewriteTable.end())
+    if (RegRewriteTable.contains(TrueReg))
       TrueReg = RegRewriteTable[TrueReg].first;
 
-    if (RegRewriteTable.find(FalseReg) != RegRewriteTable.end())
+    if (RegRewriteTable.contains(FalseReg))
       FalseReg = RegRewriteTable[FalseReg].second;
 
     DebugLoc DL = MI->getDebugLoc();

llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp

@@ -580,7 +580,7 @@ Function *WebAssemblyLowerEmscriptenEHSjLj::getInvokeWrapper(CallBase *CI) {
   FunctionType *CalleeFTy = CI->getFunctionType();
 
   std::string Sig = getSignature(CalleeFTy);
-  if (InvokeWrappers.find(Sig) != InvokeWrappers.end())
+  if (InvokeWrappers.contains(Sig))
     return InvokeWrappers[Sig];
 
   // Put the pointer to the callee as first argument

llvm/lib/Target/X86/X86ISelLowering.cpp

@@ -35961,10 +35961,10 @@ static MachineInstrBuilder createPHIsForCMOVsInSinkBB(
     if (MIIt->getOperand(3).getImm() == OppCC)
       std::swap(Op1Reg, Op2Reg);
 
-    if (RegRewriteTable.find(Op1Reg) != RegRewriteTable.end())
+    if (RegRewriteTable.contains(Op1Reg))
       Op1Reg = RegRewriteTable[Op1Reg].first;
 
-    if (RegRewriteTable.find(Op2Reg) != RegRewriteTable.end())
+    if (RegRewriteTable.contains(Op2Reg))
       Op2Reg = RegRewriteTable[Op2Reg].second;
 
     MIB = BuildMI(*SinkMBB, SinkInsertionPoint, DL, TII->get(X86::PHI), DestReg)

llvm/lib/Target/X86/X86LoadValueInjectionLoadHardening.cpp

@@ -362,7 +362,7 @@ X86LoadValueInjectionLoadHardeningPass::getGadgetGraph(
     SmallSet<NodeId, 8> UsesVisited, DefsVisited;
     std::function<void(NodeAddr<DefNode *>)> AnalyzeDefUseChain =
         [&](NodeAddr<DefNode *> Def) {
-          if (Transmitters.find(Def.Id) != Transmitters.end())
+          if (Transmitters.contains(Def.Id))
             return; // Already analyzed `Def`
 
           // Use RDF to find all the uses of `Def`