diff --git a/numba_cuda/numba/cuda/compiler.py b/numba_cuda/numba/cuda/compiler.py
index 5de90d75c..a40ae2e45 100644
--- a/numba_cuda/numba/cuda/compiler.py
+++ b/numba_cuda/numba/cuda/compiler.py
@@ -12,7 +12,6 @@
     funcdesc,
     config,
     bytecode,
-    postproc,
     cpu,
 )
 from numba.core.compiler_lock import global_compiler_lock
@@ -22,7 +21,7 @@
 from numba.cuda import cgutils, typing, lowering, nvvmutils, utils
 from numba.cuda.api import get_current_device
 from numba.cuda.codegen import ExternalCodeLibrary
-from numba.cuda.core import sigutils
+from numba.cuda.core import sigutils, postproc
 from numba.cuda.cudadrv import nvvm, nvrtc
 from numba.cuda.descriptor import cuda_target
 from numba.cuda.flags import CUDAFlags
diff --git a/numba_cuda/numba/cuda/core/compiler_machinery.py b/numba_cuda/numba/cuda/core/compiler_machinery.py
index bf560ebac..f16067c31 100644
--- a/numba_cuda/numba/cuda/core/compiler_machinery.py
+++ b/numba_cuda/numba/cuda/core/compiler_machinery.py
@@ -11,11 +11,11 @@
 from numba.core import errors, config, transforms
 from numba.cuda import utils
 from numba.core.tracing import event
-from numba.core.postproc import PostProcessor
+from numba.cuda.core.postproc import PostProcessor
 from numba.cuda.core.ir_utils import enforce_no_dels, legalize_single_scope
 import numba.core.event as ev
 
-import numba.core.compiler_machinery as nccm
+import numba.cuda.core.compiler_machinery as nccm
 
 # terminal color markup
 _termcolor = errors.termcolor()
diff --git a/numba_cuda/numba/cuda/core/ir_utils.py b/numba_cuda/numba/cuda/core/ir_utils.py
index d0eeb6ea7..09b810527 100644
--- a/numba_cuda/numba/cuda/core/ir_utils.py
+++ b/numba_cuda/numba/cuda/core/ir_utils.py
@@ -11,7 +11,8 @@
 
 import numba
 from numba.core.extending import _Intrinsic
-from numba.core import types, typing, ir, analysis, postproc, rewrites, config
+from numba.core import types, typing, ir, analysis, rewrites, config
+from numba.cuda.core import postproc
 from numba.core.typing.templates import signature
 from numba.core.analysis import (
     compute_live_map,
diff --git a/numba_cuda/numba/cuda/core/postproc.py b/numba_cuda/numba/cuda/core/postproc.py
new file mode 100644
index 000000000..23a62af1c
--- /dev/null
+++ b/numba_cuda/numba/cuda/core/postproc.py
@@ -0,0 +1,249 @@
+# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: BSD-2-Clause
+from functools import cached_property
+from numba.core import ir, transforms, analysis
+from numba.cuda.core import ir_utils
+
+
+class YieldPoint(object):
+    def __init__(self, block, inst):
+        assert isinstance(block, ir.Block)
+        assert isinstance(inst, ir.Yield)
+        self.block = block
+        self.inst = inst
+        self.live_vars = None
+        self.weak_live_vars = None
+
+
+class GeneratorInfo(object):
+    def __init__(self):
+        # { index: YieldPoint }
+        self.yield_points = {}
+        # Ordered list of variable names
+        self.state_vars = []
+
+    def get_yield_points(self):
+        """
+        Return an iterable of YieldPoint instances.
+        """
+        return self.yield_points.values()
+
+
+class VariableLifetime(object):
+    """
+    For lazily building information of variable lifetime
+    """
+
+    def __init__(self, blocks):
+        self._blocks = blocks
+
+    @cached_property
+    def cfg(self):
+        return analysis.compute_cfg_from_blocks(self._blocks)
+
+    @cached_property
+    def usedefs(self):
+        return analysis.compute_use_defs(self._blocks)
+
+    @cached_property
+    def livemap(self):
+        return analysis.compute_live_map(
+            self.cfg, self._blocks, self.usedefs.usemap, self.usedefs.defmap
+        )
+
+    @cached_property
+    def deadmaps(self):
+        return analysis.compute_dead_maps(
+            self.cfg, self._blocks, self.livemap, self.usedefs.defmap
+        )
+
+
+# other packages that define new nodes add calls for inserting dels
+# format: {type:function}
+ir_extension_insert_dels = {}
+
+
+class PostProcessor(object):
+    """
+    A post-processor for Numba IR.
+    """
+
+    def __init__(self, func_ir):
+        self.func_ir = func_ir
+
+    def run(self, emit_dels: bool = False, extend_lifetimes: bool = False):
+        """
+        Run the following passes over Numba IR:
+        - canonicalize the CFG
+        - emit explicit `del` instructions for variables
+        - compute lifetime of variables
+        - compute generator info (if function is a generator function)
+        """
+        self.func_ir.blocks = transforms.canonicalize_cfg(self.func_ir.blocks)
+        vlt = VariableLifetime(self.func_ir.blocks)
+        self.func_ir.variable_lifetime = vlt
+
+        bev = analysis.compute_live_variables(
+            vlt.cfg,
+            self.func_ir.blocks,
+            vlt.usedefs.defmap,
+            vlt.deadmaps.combined,
+        )
+        for offset, ir_block in self.func_ir.blocks.items():
+            self.func_ir.block_entry_vars[ir_block] = bev[offset]
+
+        if self.func_ir.is_generator:
+            self.func_ir.generator_info = GeneratorInfo()
+            self._compute_generator_info()
+        else:
+            self.func_ir.generator_info = None
+
+        # Emit del nodes, do this last as the generator info parsing generates
+        # and then strips dels as part of its analysis.
+        if emit_dels:
+            self._insert_var_dels(extend_lifetimes=extend_lifetimes)
+
+    def _populate_generator_info(self):
+        """
+        Fill `index` for the Yield instruction and create YieldPoints.
+        """
+        dct = self.func_ir.generator_info.yield_points
+        assert not dct, "rerunning _populate_generator_info"
+        for block in self.func_ir.blocks.values():
+            for inst in block.body:
+                if isinstance(inst, ir.Assign):
+                    yieldinst = inst.value
+                    if isinstance(yieldinst, ir.Yield):
+                        index = len(dct) + 1
+                        yieldinst.index = index
+                        yp = YieldPoint(block, yieldinst)
+                        dct[yieldinst.index] = yp
+
+    def _compute_generator_info(self):
+        """
+        Compute the generator's state variables as the union of live variables
+        at all yield points.
+        """
+        # generate del info, it's used in analysis here, strip it out at the end
+        self._insert_var_dels()
+        self._populate_generator_info()
+        gi = self.func_ir.generator_info
+        for yp in gi.get_yield_points():
+            live_vars = set(self.func_ir.get_block_entry_vars(yp.block))
+            weak_live_vars = set()
+            stmts = iter(yp.block.body)
+            for stmt in stmts:
+                if isinstance(stmt, ir.Assign):
+                    if stmt.value is yp.inst:
+                        break
+                    live_vars.add(stmt.target.name)
+                elif isinstance(stmt, ir.Del):
+                    live_vars.remove(stmt.value)
+            else:
+                assert 0, "couldn't find yield point"
+            # Try to optimize out any live vars that are deleted immediately
+            # after the yield point.
+            for stmt in stmts:
+                if isinstance(stmt, ir.Del):
+                    name = stmt.value
+                    if name in live_vars:
+                        live_vars.remove(name)
+                        weak_live_vars.add(name)
+                else:
+                    break
+            yp.live_vars = live_vars
+            yp.weak_live_vars = weak_live_vars
+
+        st = set()
+        for yp in gi.get_yield_points():
+            st |= yp.live_vars
+            st |= yp.weak_live_vars
+        gi.state_vars = sorted(st)
+        self.remove_dels()
+
+    def _insert_var_dels(self, extend_lifetimes=False):
+        """
+        Insert del statements for each variable.
+        Returns a 2-tuple of (variable definition map, variable deletion map)
+        which indicates variables defined and deleted in each block.
+
+        The algorithm avoids relying on explicit knowledge on loops and
+        distinguish between variables that are defined locally vs variables that
+        come from incoming blocks.
+        We start with simple usage (variable reference) and definition (variable
+        creation) maps on each block. Propagate the liveness info to predecessor
+        blocks until it stabilize, at which point we know which variables must
+        exist before entering each block. Then, we compute the end of variable
+        lives and insert del statements accordingly. Variables are deleted after
+        the last use. Variable referenced by terminators (e.g. conditional
+        branch and return) are deleted by the successors or the caller.
+        """
+        vlt = self.func_ir.variable_lifetime
+        self._patch_var_dels(
+            vlt.deadmaps.internal,
+            vlt.deadmaps.escaping,
+            extend_lifetimes=extend_lifetimes,
+        )
+
+    def _patch_var_dels(
+        self, internal_dead_map, escaping_dead_map, extend_lifetimes=False
+    ):
+        """
+        Insert delete in each block
+        """
+        for offset, ir_block in self.func_ir.blocks.items():
+            # for each internal var, insert delete after the last use
+            internal_dead_set = internal_dead_map[offset].copy()
+            delete_pts = []
+            # for each statement in reverse order
+            for stmt in reversed(ir_block.body[:-1]):
+                # internal vars that are used here
+                live_set = set(v.name for v in stmt.list_vars())
+                dead_set = live_set & internal_dead_set
+                for T, def_func in ir_extension_insert_dels.items():
+                    if isinstance(stmt, T):
+                        done_dels = def_func(stmt, dead_set)
+                        dead_set -= done_dels
+                        internal_dead_set -= done_dels
+                # used here but not afterwards
+                delete_pts.append((stmt, dead_set))
+                internal_dead_set -= dead_set
+
+            # rewrite body and insert dels
+            body = []
+            lastloc = ir_block.loc
+            del_store = []
+            for stmt, delete_set in reversed(delete_pts):
+                # If using extended lifetimes then the Dels are all put at the
+                # block end just ahead of the terminator, so associate their
+                # location with the terminator.
+                if extend_lifetimes:
+                    lastloc = ir_block.body[-1].loc
+                else:
+                    lastloc = stmt.loc
+                # Ignore dels (assuming no user inserted deletes)
+                if not isinstance(stmt, ir.Del):
+                    body.append(stmt)
+                # note: the reverse sort is not necessary for correctness
+                #       it is just to minimize changes to test for now
+                for var_name in sorted(delete_set, reverse=True):
+                    delnode = ir.Del(var_name, loc=lastloc)
+                    if extend_lifetimes:
+                        del_store.append(delnode)
+                    else:
+                        body.append(delnode)
+            if extend_lifetimes:
+                body.extend(del_store)
+            body.append(ir_block.body[-1])  # terminator
+            ir_block.body = body
+
+            # vars to delete at the start
+            escape_dead_set = escaping_dead_map[offset]
+            for var_name in sorted(escape_dead_set):
+                ir_block.prepend(ir.Del(var_name, loc=ir_block.body[0].loc))
+
+    def remove_dels(self):
+        """
+        Strips the IR of Del nodes
+        """
+        ir_utils.remove_dels(self.func_ir.blocks)
diff --git a/numba_cuda/numba/cuda/core/typed_passes.py b/numba_cuda/numba/cuda/core/typed_passes.py
index 4c1c08a8c..f2b9f4d1b 100644
--- a/numba_cuda/numba/cuda/core/typed_passes.py
+++ b/numba_cuda/numba/cuda/core/typed_passes.py
@@ -49,7 +49,7 @@
     is_operator_or_getitem,
     replace_vars,
 )
-from numba.core import postproc
+from numba.cuda.core import postproc
 from llvmlite import binding as llvm
 
 
diff --git a/numba_cuda/numba/cuda/core/untyped_passes.py b/numba_cuda/numba/cuda/core/untyped_passes.py
index f77f70af7..20ee4dfe6 100644
--- a/numba_cuda/numba/cuda/core/untyped_passes.py
+++ b/numba_cuda/numba/cuda/core/untyped_passes.py
@@ -12,12 +12,11 @@
     SSACompliantMixin,
     register_pass,
 )
+from numba.cuda.core import postproc, bytecode
 from numba.core import (
     errors,
     types,
     ir,
-    bytecode,
-    postproc,
     rewrites,
     config,
     transforms,