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Remove support for program moves (#118)

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Amanieu d'Antras
2023-03-05 01:38:05 +01:00
committed by GitHub
parent 54f074e507
commit 7354cfedde
9 changed files with 4 additions and 415 deletions
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7
src/lib.rs
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@@ -266,8 +266,7 @@ impl From<&MachineEnv> for PRegSet {
/// A virtual register. Contains a virtual register number and a
/// class.
///
/// A virtual register ("vreg") corresponds to an SSA value for SSA
/// input, or just a register when we allow for non-SSA input. All
/// A virtual register ("vreg") corresponds to an SSA value. All
/// dataflow in the input program is specified via flow through a
/// virtual register; even uses of specially-constrained locations,
/// such as fixed physical registers, are done by using vregs, because
@@ -1029,10 +1028,6 @@ pub trait Function {
false
}
/// Determine whether an instruction is a move; if so, return the
/// Operands for (src, dst).
fn is_move(&self, insn: Inst) -> Option<(Operand, Operand)>;
// --------------------------
// Instruction register slots
// --------------------------