Properly handle prog-moves with fixed srcs or dests

2021-05-09 13:35:38 -07:00
parent 5c5ea4cb9b
commit 4f26b1c78f
3 changed files with 37 additions and 43 deletions
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -708,8 +708,8 @@ pub trait Function {
    }

    /// Determine whether an instruction is a move; if so, return the
-    /// vregs for (src, dst).
-    fn is_move(&self, insn: Inst) -> Option<(VReg, VReg)>;
+    /// Operands for (src, dst).
+    fn is_move(&self, insn: Inst) -> Option<(Operand, Operand)>;

    // --------------------------
    // Instruction register slots