macro(if normalize): add return-if golden; llvm: extend PHI hygiene smoke to if-return and type_is cases

apps/tests/macro_golden_if_return.nyash

@@ -0,0 +1,4 @@
+function main() {
+  return if (1 < 2) { 10 } else { 20 }
+}
+

tools/test/golden/macro/if_return.expanded.json

@@ -0,0 +1,10 @@
+{"kind":"Program","statements":[
+  {"kind":"FunctionDeclaration","name":"main","params":[],"body":[
+    {"kind":"If","condition":{"kind":"BinaryOp","op":"<","left":{"kind":"Literal","value":{"type":"int","value":1}},"right":{"kind":"Literal","value":{"type":"int","value":2}}},"then":[
+      {"kind":"Return","value":{"kind":"Literal","value":{"type":"int","value":10}}}
+    ],"else":[
+      {"kind":"Return","value":{"kind":"Literal","value":{"type":"int","value":20}}}
+    ]}
+  ],"static":false,"override":false}
+]}
+

tools/test/golden/macro/if_return_user_macro_golden.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+root=$(cd "$(dirname "$0")"/../../../.. && pwd)
+bin="$root/target/release/nyash"
+src="apps/tests/macro_golden_if_return.nyash"
+golden="$root/tools/test/golden/macro/if_return.expanded.json"
+
+if [ ! -x "$bin" ]; then
+  echo "nyash binary not found at $bin; build first (cargo build --release)" >&2
+  exit 1
+fi
+
+export NYASH_MACRO_ENABLE=1
+export NYASH_MACRO_PATHS="apps/macros/examples/if_match_normalize_macro.nyash"
+
+normalize_json() {
+  python3 -c 'import sys,json; print(json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(",",":")))'
+}
+
+out_raw=$("$bin" --dump-expanded-ast-json "$src")
+out_norm=$(printf '%s' "$out_raw" | normalize_json)
+gold_norm=$(normalize_json < "$golden")
+
+if [ "$out_norm" != "$gold_norm" ]; then
+  echo "Golden mismatch (if-return normalization)" >&2
+  diff -u <(echo "$out_norm") <(echo "$gold_norm") || true
+  exit 2
+fi
+
+echo "[OK] golden if-return normalization matched"
+

tools/test/smoke/llvm/ir_phi_hygiene_ifcases.sh

@@ -42,10 +42,11 @@ check_case() {
 
 check_case "apps/tests/macro_golden_if_assign.nyash"
 check_case "apps/tests/macro_golden_if_print.nyash"
+check_case "apps/tests/macro_golden_if_return.nyash"
+check_case "apps/tests/macro_golden_type_is_basic.nyash"
 
 if [ "$fails" -ne 0 ]; then
   exit 2
 fi
 echo "[OK] LLVM PHI hygiene for If-cases passed"
 exit 0
-