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Stop cloning old llvmint repositories to generate intrinsics

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This commit is contained in:
Guillaume Gomez 2026-01-12 16:38:10 +01:00
parent 02f889aec5
commit 3e789ed576
4 changed files with 1420 additions and 1440 deletions
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1424
src/intrinsic/archs.rs
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2
src/intrinsic/llvm.rs
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@ -1604,5 +1604,7 @@ pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function
func
}
#[cfg(feature = "master")]
include!("old_archs.rs");
#[cfg(feature = "master")]
include!("archs.rs");

1384
src/intrinsic/old_archs.rs Normal file
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50
tools/generate_intrinsics.py
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@ -147,14 +147,12 @@ def fill_intrinsics(intrinsics, from_intrinsics, all_intrinsics):
all_intrinsics[entry[0]] = entry[1]
def update_intrinsics(llvm_path, llvmint, llvmint2):
def update_intrinsics(llvm_path):
intrinsics_llvm = {}
intrinsics_llvmint = {}
all_intrinsics = {}
extract_intrinsics_from_llvm(llvm_path, intrinsics_llvm)
extract_intrinsics_from_llvmint(llvmint, intrinsics_llvmint)
extract_intrinsics_from_llvmint(llvmint2, intrinsics_llvmint)
intrinsics = {}
# We give priority to translations from LLVM over the ones from llvmint.
@ -173,13 +171,17 @@ def update_intrinsics(llvm_path, llvmint, llvmint2):
# Since all intrinsic names start with "llvm.", we skip that prefix.
print("Updating content of `{}`...".format(output_file))
with open(output_file, "w", encoding="utf8") as out:
out.write("// File generated by `rustc_codegen_gcc/tools/generate_intrinsics.py`\n")
out.write("// DO NOT EDIT IT!\n")
out.write("/// Translate a given LLVM intrinsic name to an equivalent GCC one.\n")
out.write("fn map_arch_intrinsic(full_name:&str)->&'static str{\n")
out.write('let Some(name) = full_name.strip_prefix("llvm.") else { unimplemented!("***** unsupported LLVM intrinsic {}", full_name) };\n')
out.write('let Some((arch, name)) = name.split_once(\'.\') else { unimplemented!("***** unsupported LLVM intrinsic {}", name) };\n')
out.write("match arch {\n")
out.write("""// File generated by `rustc_codegen_gcc/tools/generate_intrinsics.py`
// DO NOT EDIT IT!
/// Translate a given LLVM intrinsic name to an equivalent GCC one.
fn map_arch_intrinsic(full_name:&str)-> &'static str {
let Some(name) = full_name.strip_prefix("llvm.") else { unimplemented!("***** unsupported LLVM intrinsic {}", full_name) };
let Some((arch, name)) = name.split_once('.') else { unimplemented!("***** unsupported LLVM intrinsic llvm.{}", name) };
let old_arch_res = old_archs(arch, name);
if let ArchCheckResult::Ok(res) = old_arch_res {
return res;
}
match arch {""")
for arch in archs:
if len(intrinsics[arch]) == 0:
continue
@ -199,7 +201,13 @@ def update_intrinsics(llvm_path, llvmint, llvmint2):
out.write(' "{}" => "{}",\n'.format(llvm_name, entry[1]))
out.write(' _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"),\n')
out.write("}} }} {}(name,full_name) }}\n,".format(arch))
out.write(' _ => unimplemented!("***** unsupported LLVM architecture {arch}, intrinsic:{full_name}"),\n')
out.write(""" _ => {
match old_arch_res {
ArchCheckResult::UnknownIntrinsic => unimplemented!("***** unsupported LLVM intrinsic {full_name}"),
ArchCheckResult::UnknownArch => unimplemented!("***** unsupported LLVM architecture {arch}, intrinsic: {full_name}"),
ArchCheckResult::Ok(_) => unreachable!(),
}
}""")
out.write("}\n}")
subprocess.call(["rustfmt", output_file])
print("Done!")
@ -210,14 +218,6 @@ def main():
os.path.dirname(os.path.abspath(__file__)),
"llvm-project",
)
llvmint_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"llvmint",
)
llvmint2_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"llvmint-2",
)
# First, we clone the LLVM repository if it's not already here.
clone_repository(
@ -227,17 +227,7 @@ def main():
branch="main",
sub_paths=["llvm/include/llvm/IR", "llvm/include/llvm/CodeGen/"],
)
clone_repository(
"llvmint",
llvmint_path,
"https://github.com/GuillaumeGomez/llvmint",
)
clone_repository(
"llvmint2",
llvmint2_path,
"https://github.com/antoyo/llvmint",
)
update_intrinsics(llvm_path, llvmint_path, llvmint2_path)
update_intrinsics(llvm_path)
if __name__ == "__main__":