Merge branch 'oxidize-dag' into oxidize-dag-layers

Cargo.toml

@@ -15,7 +15,7 @@ license = "Apache-2.0"
 # Each crate can add on specific features freely as it inherits.
 [workspace.dependencies]
 indexmap.version = "2.2.6"
-hashbrown.version = "0.14.0"
+hashbrown.version = "0.14.5"
 num-complex = "0.4"
 ndarray = "^0.15.6"
 numpy = "0.21.0"

crates/circuit/Cargo.toml

@@ -11,7 +11,6 @@ doctest = false
 
 [dependencies]
 ahash = "0.8.11"
-hashbrown.workspace = true
 rustworkx-core = { git = "https://github.com/Qiskit/rustworkx.git" }
 num-complex.workspace = true
 ndarray.workspace = true
@@ -21,6 +20,10 @@ numpy.workspace = true
 workspace = true
 features = ["hashbrown", "indexmap", "num-complex", "num-bigint", "smallvec"]
 
+[dependencies.hashbrown]
+workspace = true
+features = ["rayon"]
+
 [dependencies.indexmap]
 workspace = true
 features = ["rayon"]

crates/circuit/src/circuit_instruction.rs

@@ -23,6 +23,7 @@ use crate::imports::{
 };
 use crate::interner::Index;
 use crate::operations::{OperationType, Param, PyGate, PyInstruction, PyOperation, StandardGate};
+use crate::{Clbit, Qubit};
 
 /// These are extra mutable attributes for a circuit instruction's state. In general we don't
 /// typically deal with this in rust space and the majority of the time they're not used in Python
@@ -85,6 +86,12 @@ impl PackedInstruction {
         }
     }
 
+    pub fn condition(&self) -> Option<&PyObject> {
+        self.extra_attrs
+            .as_ref()
+            .and_then(|args| args.condition.as_ref())
+    }
+
     pub fn is_parameterized(&self) -> bool {
         self.params
             .iter()