GNU Compiler Collection (GCC) Internals: GIMPLE_PHI

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11.8.24 GIMPLE_PHI

GIMPLE function: unsigned gimple_phi_capacity (gimple g)

Return the maximum number of arguments supported by GIMPLE_PHI G.

GIMPLE function: unsigned gimple_phi_num_args (gimple g)

Return the number of arguments in GIMPLE_PHI G. This must always be exactly the number of incoming edges for the basic block holding G.

GIMPLE function: tree gimple_phi_result (gimple g)

Return the SSA name created by GIMPLE_PHI G.

GIMPLE function: tree * gimple_phi_result_ptr (gimple g)

Return a pointer to the SSA name created by GIMPLE_PHI G.

GIMPLE function: void gimple_phi_set_result (gphi *g, tree result)

Set RESULT to be the SSA name created by GIMPLE_PHI G.

GIMPLE function: struct phi_arg_d * gimple_phi_arg (gimple g, index)

Return the PHI argument corresponding to incoming edge INDEX for GIMPLE_PHI G.

GIMPLE function: void gimple_phi_set_arg (gphi *g, index, struct phi_arg_d * phiarg)

Set PHIARG to be the argument corresponding to incoming edge INDEX for GIMPLE_PHI G.