[llvm] [DLCov][NFC] Annotate intentionally-blank DebugLocs in existing code (PR #136192)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp,h -- llvm/lib/Transforms/IPO/GlobalOpt.cpp llvm/lib/Transforms/IPO/IROutliner.cpp llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp llvm/lib/Transforms/Scalar/IndVarSimplify.cpp llvm/lib/Transforms/Scalar/JumpThreading.cpp llvm/lib/Transforms/Scalar/LICM.cpp llvm/lib/Transforms/Scalar/LoopLoadElimination.cpp llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp llvm/lib/Transforms/Utils/InlineFunction.cpp llvm/lib/Transforms/Utils/Local.cpp llvm/lib/Transforms/Utils/SCCPSolver.cpp llvm/lib/Transforms/Utils/SSAUpdater.cpp llvm/lib/Transforms/Utils/SimplifyCFG.cpp llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h llvm/lib/Transforms/Vectorize/LoopVectorize.cpp llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp llvm/lib/Transforms/Vectorize/VPlan.h
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<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h b/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
index 890a57862..df9faf8ac 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
@@ -166,7 +166,8 @@ public:
   VPInstruction *createNaryOp(unsigned Opcode,
                               std::initializer_list<VPValue *> Operands,
                               std::optional<FastMathFlags> FMFs = {},
-                              DebugLoc DL = DebugLoc::getUnknown(), const Twine &Name = "") {
+                              DebugLoc DL = DebugLoc::getUnknown(),
+                              const Twine &Name = "") {
     if (FMFs)
       return tryInsertInstruction(
           new VPInstruction(Opcode, Operands, *FMFs, DL, Name));
@@ -184,7 +185,8 @@ public:
   VPInstruction *createOverflowingOp(unsigned Opcode,
                                      std::initializer_list<VPValue *> Operands,
                                      VPRecipeWithIRFlags::WrapFlagsTy WrapFlags,
-                                     DebugLoc DL = DebugLoc::getUnknown(), const Twine &Name = "") {
+                                     DebugLoc DL = DebugLoc::getUnknown(),
+                                     const Twine &Name = "") {
     return tryInsertInstruction(
         new VPInstruction(Opcode, Operands, WrapFlags, DL, Name));
   }
@@ -194,12 +196,14 @@ public:
     return createInstruction(VPInstruction::Not, {Operand}, DL, Name);
   }
 
-  VPValue *createAnd(VPValue *LHS, VPValue *RHS, DebugLoc DL = DebugLoc::getUnknown(),
+  VPValue *createAnd(VPValue *LHS, VPValue *RHS,
+                     DebugLoc DL = DebugLoc::getUnknown(),
                      const Twine &Name = "") {
     return createInstruction(Instruction::BinaryOps::And, {LHS, RHS}, DL, Name);
   }
 
-  VPValue *createOr(VPValue *LHS, VPValue *RHS, DebugLoc DL = DebugLoc::getUnknown(),
+  VPValue *createOr(VPValue *LHS, VPValue *RHS,
+                    DebugLoc DL = DebugLoc::getUnknown(),
                     const Twine &Name = "") {
 
     return tryInsertInstruction(new VPInstruction(
@@ -207,14 +211,16 @@ public:
         VPRecipeWithIRFlags::DisjointFlagsTy(false), DL, Name));
   }
 
-  VPValue *createLogicalAnd(VPValue *LHS, VPValue *RHS, DebugLoc DL = DebugLoc::getUnknown(),
+  VPValue *createLogicalAnd(VPValue *LHS, VPValue *RHS,
+                            DebugLoc DL = DebugLoc::getUnknown(),
                             const Twine &Name = "") {
     return tryInsertInstruction(
         new VPInstruction(VPInstruction::LogicalAnd, {LHS, RHS}, DL, Name));
   }
 
   VPValue *createSelect(VPValue *Cond, VPValue *TrueVal, VPValue *FalseVal,
-                        DebugLoc DL = DebugLoc::getUnknown(), const Twine &Name = "",
+                        DebugLoc DL = DebugLoc::getUnknown(),
+                        const Twine &Name = "",
                         std::optional<FastMathFlags> FMFs = std::nullopt) {
     auto *Select =
         FMFs ? new VPInstruction(Instruction::Select, {Cond, TrueVal, FalseVal},
@@ -228,19 +234,22 @@ public:
   /// and \p B.
   /// TODO: add createFCmp when needed.
   VPValue *createICmp(CmpInst::Predicate Pred, VPValue *A, VPValue *B,
-                      DebugLoc DL = DebugLoc::getUnknown(), const Twine &Name = "") {
+                      DebugLoc DL = DebugLoc::getUnknown(),
+                      const Twine &Name = "") {
     assert(Pred >= CmpInst::FIRST_ICMP_PREDICATE &&
            Pred <= CmpInst::LAST_ICMP_PREDICATE && "invalid predicate");
     return tryInsertInstruction(
         new VPInstruction(Instruction::ICmp, Pred, A, B, DL, Name));
   }
 
-  VPInstruction *createPtrAdd(VPValue *Ptr, VPValue *Offset, DebugLoc DL = DebugLoc::getUnknown(),
+  VPInstruction *createPtrAdd(VPValue *Ptr, VPValue *Offset,
+                              DebugLoc DL = DebugLoc::getUnknown(),
                               const Twine &Name = "") {
     return tryInsertInstruction(
         new VPInstruction(Ptr, Offset, GEPNoWrapFlags::none(), DL, Name));
   }
-  VPValue *createInBoundsPtrAdd(VPValue *Ptr, VPValue *Offset, DebugLoc DL = DebugLoc::getUnknown(),
+  VPValue *createInBoundsPtrAdd(VPValue *Ptr, VPValue *Offset,
+                                DebugLoc DL = DebugLoc::getUnknown(),
                                 const Twine &Name = "") {
     return tryInsertInstruction(
         new VPInstruction(Ptr, Offset, GEPNoWrapFlags::inBounds(), DL, Name));
diff --git a/llvm/lib/Transforms/Vectorize/VPlan.h b/llvm/lib/Transforms/Vectorize/VPlan.h
index 63a0edbfd..cc89ca90c 100644
--- a/llvm/lib/Transforms/Vectorize/VPlan.h
+++ b/llvm/lib/Transforms/Vectorize/VPlan.h
@@ -1703,8 +1703,8 @@ class VPHeaderPHIRecipe : public VPSingleDefRecipe {
 protected:
   VPHeaderPHIRecipe(unsigned char VPDefID, Instruction *UnderlyingInstr,
                     VPValue *Start, DebugLoc DL = DebugLoc::getUnknown())
-      : VPSingleDefRecipe(VPDefID, ArrayRef<VPValue *>({Start}), UnderlyingInstr, DL) {
-  }
+      : VPSingleDefRecipe(VPDefID, ArrayRef<VPValue *>({Start}),
+                          UnderlyingInstr, DL) {}
 
 public:
   ~VPHeaderPHIRecipe() override = default;

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https://github.com/llvm/llvm-project/pull/136192