diff --git a/tinygrad/renderer/cstyle.py b/tinygrad/renderer/cstyle.py
index 549aca03e0..1508ccf527 100644
--- a/tinygrad/renderer/cstyle.py
+++ b/tinygrad/renderer/cstyle.py
@@ -99,18 +99,18 @@ class CStyleLanguage(NamedTuple):
 
 def uops_to_cstyle(lang:CStyleLanguage, function_name:str, uops:List[UOp]) -> str:
   local_size: List[int] = []
-  kernel,prekernel = [],[]
+  kernel,prekernel,bufs = [],[],[]
   #pend_close = None
-  bufs = []
   depth = 1
   def kk(s): kernel.append("  "*depth+s)
 
   c: DefaultDict[str, int] = defaultdict(int)
-  def ssa(prefix="t"):
-    nonlocal c
-    c[prefix] += 1
-    return f"{prefix}{c[prefix]-1}"
   r: Dict[UOp, str] = {}
+  def ssa(u, prefix="t"):
+    nonlocal c, r
+    c[prefix] += 1
+    r[u]=f"{prefix}{c[prefix]-1}"
+    return r[u]
 
   child_count: DefaultDict[UOp, int] = defaultdict(int)
   for ru in uops:
@@ -120,8 +120,7 @@ def uops_to_cstyle(lang:CStyleLanguage, function_name:str, uops:List[UOp]) -> st
   for u in uops:
     uop,dtype,vin,args,_ = u
     if uop == UOps.LOOP:
-      r[u] = ssa('ridx')
-      kk(lang.render_for(r[u], r[vin[0]], r[vin[1]]))
+      kk(lang.render_for(ssa(u,'ridx'), r[vin[0]], r[vin[1]]))
       depth += 1
     elif uop == UOps.BARRIER:
       kk(lang.barrier)
@@ -158,12 +157,10 @@ def uops_to_cstyle(lang:CStyleLanguage, function_name:str, uops:List[UOp]) -> st
       if child_count[u] <= 1 or dtypes.is_int(dtype):  # fix index rendering issue
         r[u] = val
       else:
-        r[u] = ssa('alu')
-        kk(f"{lang.generic_var_prefix if lang.generic_var_prefix else dtype.name} {r[u]} = {val};")
+        kk(f"{lang.generic_var_prefix if lang.generic_var_prefix else dtype.name} {ssa(u,'alu')} = {val};")
     elif uop == UOps.DEFINE_ACC:
       assert dtype is not None
-      r[u] = ssa('acc')
-      kk(f"{lang.generic_var_prefix if lang.generic_var_prefix else dtype.name} {r[u]} = {lang.render_const(args, dtype)};")
+      kk(f"{lang.generic_var_prefix if lang.generic_var_prefix else dtype.name} {ssa(u,'acc')} = {lang.render_const(args, dtype)};")
     elif uop == UOps.SPECIAL:
       xid = lang.gid if args[1].startswith("g") else lang.lid
       kk(f"{lang.size_prefix} {args[1]} = {xid[args[0]]}; /* {args[2]} */")
@@ -175,8 +172,7 @@ def uops_to_cstyle(lang:CStyleLanguage, function_name:str, uops:List[UOp]) -> st
       assert dtype is not None
       val = lang.render_load(dtype, r[vin[0]], vin[0].dtype, strip_parens(r[vin[1]]), vin[0].uop == UOps.DEFINE_LOCAL)
       if len(vin) > 2: val = lang.render_conditional(r[vin[2]], val, r[vin[3]])
-      r[u] = ssa('val')
-      kk(f"{lang.generic_var_prefix if lang.generic_var_prefix else dtype.name} {r[u]} = {val};")
+      kk(f"{lang.generic_var_prefix if lang.generic_var_prefix else dtype.name} {ssa(u,'val')} = {val};")
     elif uop == UOps.STORE:
       if len(vin) == 2:
         kk(f"{r[vin[0]]} = {r[vin[1]]};")
@@ -185,11 +181,8 @@ def uops_to_cstyle(lang:CStyleLanguage, function_name:str, uops:List[UOp]) -> st
         kk(lang.render_store(r[vin[0]], vin[0].dtype, r[vin[2]], vin[2].dtype, strip_parens(r[vin[1]]), vin[0].uop == UOps.DEFINE_LOCAL))
     elif uop == UOps.CAST and dtype is not None and dtype.sz > 1:
       val = lang.render_cast([r[x] for x in vin], dtype)
-      if child_count[u] <= 1:
-        r[u] = val
-      else:
-        r[u] = ssa('cast')
-        kk(f"{lang.generic_var_prefix if lang.generic_var_prefix else dtype.name} {r[u]} = {val};")
+      if child_count[u] <= 1: r[u] = val
+      else: kk(f"{lang.generic_var_prefix if lang.generic_var_prefix else dtype.name} {ssa(u,'cast')} = {val};")
     elif uop == UOps.DEFINE_LOCAL:
       if lang.external_local_bufs:
         prekernel.append(lang.render_local(args[0], args[1]))