llvm::createCFGSimplificationPass

Create a pass that simplifies the CFG of a function.

Synopsis

Declared in <llvm/Transforms/Scalar.h>

FunctionPass*
createCFGSimplificationPass(
    SimplifyCFGOptions Options = SimplifyCFGOptions(),
    std::function<bool(Function const&)> Ftor = nullptr);

Description

Merges basic blocks, eliminates unreachable blocks, simplifies terminators, converts switches to lookup tables, and related cleanups.

Return Value

The newly created FunctionPass.

Parameters

Name

Description

Options

Configuration for which CFG simplifications to apply.

Ftor

Optional predicate; when set, only functions for which it returns true are simplified.

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