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llvm: gate empty PHI sanitize behind NYASH_LLVM_SANITIZE_EMPTY_PHI=1; docs: AGENTS.md note. perf: begin clone() reduction plan — TypeBox.name/type_parameters to Arc<str>, adjusted builders/registry; no behavior change

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Selfhosting Dev
2025-09-19 11:54:28 +09:00
parent 21d326333d
commit 4f82edf901
4 changed files with 39 additions and 28 deletions
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24
src/llvm_py/llvm_builder.py
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@ -1207,17 +1207,19 @@ class NyashLLVMBuilder:
# Compile
ir_text = str(self.module)
# Sanitize: drop any empty PHI rows (no incoming list) to satisfy IR parser
try:
fixed_lines = []
for line in ir_text.splitlines():
if (" = phi i64" in line or " = phi i64" in line) and ("[" not in line):
# Skip malformed PHI without incoming pairs
continue
fixed_lines.append(line)
ir_text = "\n".join(fixed_lines)
except Exception:
pass
# Optional sanitize: drop any empty PHI rows (no incoming list) to satisfy IR parser.
# Gate with NYASH_LLVM_SANITIZE_EMPTY_PHI=1. Default OFF.
if os.environ.get('NYASH_LLVM_SANITIZE_EMPTY_PHI') == '1':
try:
fixed_lines = []
for line in ir_text.splitlines():
if (" = phi i64" in line or " = phi i64" in line) and ("[" not in line):
# Skip malformed PHI without incoming pairs
continue
fixed_lines.append(line)
ir_text = "\n".join(fixed_lines)
except Exception:
pass
mod = llvm.parse_assembly(ir_text)
# Allow skipping verifier for iterative bring-up
if os.environ.get('NYASH_LLVM_SKIP_VERIFY') != '1':