llvm::RecursivelyDeleteTriviallyDeadInstructions

Synopses

Declared in <llvm/Transforms/Utils/Local.h>

Recursively delete a worklist of trivially dead instructions.

void
RecursivelyDeleteTriviallyDeadInstructions(
    SmallVectorImpl<WeakTrackingVH>& DeadInsts,
    TargetLibraryInfo const* TLI = nullptr,
    MemorySSAUpdater* MSSAU = nullptr,
    std::function<void(Value*)> AboutToDeleteCallback = std::function<void(Value *)>());

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Recursively delete a trivially dead instruction and its dead operands.

bool
RecursivelyDeleteTriviallyDeadInstructions(
    Value* V,
    TargetLibraryInfo const* TLI = nullptr,
    MemorySSAUpdater* MSSAU = nullptr,
    std::function<void(Value*)> AboutToDeleteCallback = std::function<void(Value *)>());

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Return Value

True if any instructions were deleted.

Parameters

Name	Description
DeadInsts	Worklist of trivially dead instructions to delete.
TLI	Optional target library info used for deadness analysis.
MSSAU	Optional MemorySSA updater notified of deletions.
AboutToDeleteCallback	Optional callback invoked before each deletion.
V	Value that may be a trivially dead instruction.