Fix parameter name comments using clang-tidy. NFC.

This patch applies clang-tidy's bugprone-argument-comment tool
to LLVM, clang and lld source trees. Here is how I created this
patch:

$ git clone https://github.com/llvm/llvm-project.git
$ cd llvm-project
$ mkdir build
$ cd build
$ cmake -GNinja -DCMAKE_BUILD_TYPE=Debug \
    -DLLVM_ENABLE_PROJECTS='clang;lld;clang-tools-extra' \
    -DCMAKE_EXPORT_COMPILE_COMMANDS=On -DLLVM_ENABLE_LLD=On \
    -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ ../llvm
$ ninja
$ parallel clang-tidy -checks='-*,bugprone-argument-comment' \
    -config='{CheckOptions: [{key: StrictMode, value: 1}]}' -fix \
    ::: ../llvm/lib/**/*.{cpp,h} ../clang/lib/**/*.{cpp,h} ../lld/**/*.{cpp,h}

llvm-svn: 366177
diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index e3a9c0b..27e7175 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -2898,7 +2898,7 @@
       getThreadID(CGF, SourceLocation()),
       CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(GAddr, CGM.VoidPtrTy),
       CGF.Builder.CreateIntCast(CGF.getTypeSize(VarType), CGM.SizeTy,
-                                /*IsSigned=*/false),
+                                /*isSigned=*/false),
       getOrCreateInternalVariable(
           CGM.VoidPtrPtrTy, Twine(Name).concat(Suffix).concat(CacheSuffix))};
   return Address(
@@ -5254,7 +5254,7 @@
       if (const auto *ASE =
               dyn_cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts())) {
         LValue UpAddrLVal =
-            CGF.EmitOMPArraySectionExpr(ASE, /*LowerBound=*/false);
+            CGF.EmitOMPArraySectionExpr(ASE, /*IsLowerBound=*/false);
         llvm::Value *UpAddr =
             CGF.Builder.CreateConstGEP1_32(UpAddrLVal.getPointer(), /*Idx0=*/1);
         llvm::Value *LowIntPtr =
@@ -6293,7 +6293,7 @@
     LValue FlagsLVal = CGF.EmitLValueForField(ElemLVal, FlagsFD);
     if (DelayedCreation) {
       CGF.EmitStoreOfScalar(
-          llvm::ConstantInt::get(CGM.Int32Ty, /*V=*/1, /*IsSigned=*/true),
+          llvm::ConstantInt::get(CGM.Int32Ty, /*V=*/1, /*isSigned=*/true),
           FlagsLVal);
     } else
       CGF.EmitNullInitialization(FlagsLVal.getAddress(), FlagsLVal.getType());
@@ -6649,7 +6649,7 @@
               CGF.EmitScalarExpr(NumTeams,
                                  /*IgnoreResultAssign*/ true);
           return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty,
-                                   /*IsSigned=*/true);
+                                   /*isSigned=*/true);
         }
         return Bld.getInt32(0);
       }
@@ -6673,7 +6673,7 @@
           CGF.EmitScalarExpr(NumTeams,
                              /*IgnoreResultAssign*/ true);
       return Bld.CreateIntCast(NumTeamsVal, CGF.Int32Ty,
-                               /*IsSigned=*/true);
+                               /*isSigned=*/true);
     }
     return Bld.getInt32(0);
   }
@@ -6801,7 +6801,7 @@
         }
         NumThreads = CGF.EmitScalarExpr(NumThreadsClause->getNumThreads());
         NumThreads = CGF.Builder.CreateIntCast(NumThreads, CGF.Int32Ty,
-                                               /*IsSigned=*/false);
+                                               /*isSigned=*/false);
         if (DefaultThreadLimitVal)
           NumThreads = CGF.Builder.CreateSelect(
               CGF.Builder.CreateICmpULT(DefaultThreadLimitVal, NumThreads),
@@ -6875,7 +6875,7 @@
         llvm::Value *ThreadLimit = CGF.EmitScalarExpr(
             ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true);
         ThreadLimitVal =
-            Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*IsSigned=*/false);
+            Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false);
       }
       if (isOpenMPTeamsDirective(Dir->getDirectiveKind()) &&
           !isOpenMPDistributeDirective(Dir->getDirectiveKind())) {
@@ -6902,7 +6902,7 @@
       llvm::Value *ThreadLimit = CGF.EmitScalarExpr(
           ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true);
       ThreadLimitVal =
-          Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*IsSigned=*/false);
+          Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false);
     }
     const CapturedStmt *CS = D.getInnermostCapturedStmt();
     if (llvm::Value *NumThreads = getNumThreads(CGF, CS, ThreadLimitVal))
@@ -6925,7 +6925,7 @@
       llvm::Value *ThreadLimit = CGF.EmitScalarExpr(
           ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true);
       ThreadLimitVal =
-          Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*IsSigned=*/false);
+          Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false);
     }
     return getNumThreads(CGF, D.getInnermostCapturedStmt(), ThreadLimitVal);
   case OMPD_target_parallel:
@@ -6963,7 +6963,7 @@
       llvm::Value *ThreadLimit = CGF.EmitScalarExpr(
           ThreadLimitClause->getThreadLimit(), /*IgnoreResultAssign=*/true);
       ThreadLimitVal =
-          Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*IsSigned=*/false);
+          Bld.CreateIntCast(ThreadLimit, CGF.Int32Ty, /*isSigned=*/false);
     }
     if (D.hasClausesOfKind<OMPNumThreadsClause>()) {
       CodeGenFunction::RunCleanupsScope NumThreadsScope(CGF);
@@ -6971,7 +6971,7 @@
       llvm::Value *NumThreads = CGF.EmitScalarExpr(
           NumThreadsClause->getNumThreads(), /*IgnoreResultAssign=*/true);
       NumThreadsVal =
-          Bld.CreateIntCast(NumThreads, CGF.Int32Ty, /*IsSigned=*/false);
+          Bld.CreateIntCast(NumThreads, CGF.Int32Ty, /*isSigned=*/false);
       ThreadLimitVal = ThreadLimitVal
                            ? Bld.CreateSelect(Bld.CreateICmpULT(NumThreadsVal,
                                                                 ThreadLimitVal),
@@ -7865,7 +7865,7 @@
     llvm::Value *CHAddr = CGF.Builder.CreatePointerCast(HAddr, CGF.VoidPtrTy);
     llvm::Value *Diff = CGF.Builder.CreatePtrDiff(CHAddr, CLAddr);
     llvm::Value *Size = CGF.Builder.CreateIntCast(Diff, CGF.Int64Ty,
-                                                  /*isSinged=*/false);
+                                                  /*isSigned=*/false);
     Sizes.push_back(Size);
     // Map type is always TARGET_PARAM
     Types.push_back(OMP_MAP_TARGET_PARAM);
@@ -8416,7 +8416,7 @@
         CGF.Builder.CreateMemCpy(
             CGF.MakeNaturalAlignAddrLValue(Addr, ElementType).getAddress(),
             Address(CV, CGF.getContext().getTypeAlignInChars(ElementType)),
-            CurSizes.back(), /*isVolatile=*/false);
+            CurSizes.back(), /*IsVolatile=*/false);
         // Use new global variable as the base pointers.
         CurBasePointers.push_back(Addr);
         CurPointers.push_back(Addr);