llvm::NoFolder

NoFolder ‐ Create "constants" (actually, instructions) with no folding.

Synopsis

Declared in <llvm/IR/NoFolder.h>

class NoFolder final
    : public IRBuilderFolder

Name

Description

IRBuilderFolder ‐ Interface for constant folding in IRBuilder.

Name

Description

NoFolder [constructor]

Construct a folder that never folds constants.

Create a bitcast or addrspacecast of constant pointer C to DestTy as an instruction.

Create a pointer cast of constant C to type DestTy as an instruction.

Decline to fold a binary operator; always returns nullptr.

Decline to fold a binary operator with fast‐math flags; always returns nullptr.

Decline to fold a cast; always returns nullptr.

FoldCmp [virtual]

Decline to fold a compare; always returns nullptr.

Decline to fold an exact binary operator; always returns nullptr.

Decline to fold an extractelement; always returns nullptr.

Decline to fold an extractvalue; always returns nullptr.

FoldGEP [virtual]

Decline to fold a GEP; always returns nullptr.

Decline to fold an insertelement; always returns nullptr.

Decline to fold an insertvalue; always returns nullptr.

FoldIntrinsic overloads

Decline to fold a no‐wrap binary operator; always returns nullptr.

FoldSelect overloads

Decline to fold a shufflevector; always returns nullptr.

Decline to fold a unary operator with fast‐math flags; always returns nullptr.

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