Remove is_ghost

cranelift/codegen/meta/src/cdsl/instructions.rs

@@ -76,8 +76,6 @@ pub(crate) struct InstructionContent {
     pub is_call: bool,
     /// Is this a return instruction?
     pub is_return: bool,
-    /// Is this a ghost instruction?
-    pub is_ghost: bool,
     /// Can this instruction read from memory?
     pub can_load: bool,
     /// Can this instruction write to memory?
@@ -148,7 +146,6 @@ pub(crate) struct InstructionBuilder {
     is_indirect_branch: bool,
     is_call: bool,
     is_return: bool,
-    is_ghost: bool,
     can_load: bool,
     can_store: bool,
     can_trap: bool,
@@ -171,7 +168,6 @@ impl InstructionBuilder {
             is_indirect_branch: false,
             is_call: false,
             is_return: false,
-            is_ghost: false,
             can_load: false,
             can_store: false,
             can_trap: false,
@@ -228,12 +224,6 @@ impl InstructionBuilder {
         self
     }
 
-    #[allow(clippy::wrong_self_convention)]
-    pub fn is_ghost(mut self, val: bool) -> Self {
-        self.is_ghost = val;
-        self
-    }
-
     pub fn can_load(mut self, val: bool) -> Self {
         self.can_load = val;
         self
@@ -303,7 +293,6 @@ impl InstructionBuilder {
             is_indirect_branch: self.is_indirect_branch,
             is_call: self.is_call,
             is_return: self.is_return,
-            is_ghost: self.is_ghost,
             can_load: self.can_load,
             can_store: self.can_store,
             can_trap: self.can_trap,

cranelift/codegen/meta/src/gen_inst.rs

@@ -489,13 +489,6 @@ fn gen_opcodes(all_inst: &AllInstructions, fmt: &mut Formatter) {
             "Is this a return instruction?",
             fmt,
         );
-        gen_bool_accessor(
-            all_inst,
-            |inst| inst.is_ghost,
-            "is_ghost",
-            "Is this a ghost instruction?",
-            fmt,
-        );
         gen_bool_accessor(
             all_inst,
             |inst| inst.can_load,

cranelift/codegen/meta/src/shared/instructions.rs

@@ -2047,8 +2047,7 @@ pub(crate) fn define(
             &formats.unary,
         )
         .operands_in(vec![x])
-        .operands_out(vec![lo, hi])
-        .is_ghost(true),
+        .operands_out(vec![lo, hi]),
     );
 
     let Any128 = &TypeVar::new(
@@ -2083,8 +2082,7 @@ pub(crate) fn define(
             &formats.binary,
         )
         .operands_in(vec![x, y])
-        .operands_out(vec![a])
-        .is_ghost(true),
+        .operands_out(vec![a]),
     );
 
     let c = &Operand::new("c", &TxN.as_bool()).with_doc("Controlling vector");
@@ -4386,8 +4384,7 @@ pub(crate) fn define(
             &formats.unary,
         )
         .operands_in(vec![x])
-        .operands_out(vec![lo, hi])
-        .is_ghost(true),
+        .operands_out(vec![lo, hi]),
     );
 
     let NarrowInt = &TypeVar::new(
@@ -4417,8 +4414,7 @@ pub(crate) fn define(
             &formats.binary,
         )
         .operands_in(vec![lo, hi])
-        .operands_out(vec![a])
-        .is_ghost(true),
+        .operands_out(vec![a]),
     );
 
     // Instructions relating to atomic memory accesses and fences