def BytecodeToPollyCanonicalized(source: str) -> str:
process = opt.Exec(["-polly-canonicalize", "-S", "-", "-o", "-"],
stdin=source)
if process.returncode:
raise opt.OptException("Error in canonicalization opt execution (%d)" %
process.returncode)
return process.stdout
def test_LlvmPipeline(tempdir: pathlib.Path):
"""End-to-end test."""
with open(tempdir / "foo.c", "w") as f:
f.write(
"""
int main() {
int x = 0;
if (x != 0)
x = 5; // dead code
return x;
}
"""
)
# Generate bytecode.
p = clang.Exec(
[
str(tempdir / "foo.c"),
"-o",
str(tempdir / "foo.ll"),
"-S",
"-xc++",
"-emit-llvm",
"-c",
"-O0",
]
)
assert not p.stderr
assert not p.stdout
assert not p.returncode
assert (tempdir / "foo.ll").is_file()
# Run an optimization pass.
p = opt.Exec(
[str(tempdir / "foo.ll"), "-o", str(tempdir / "foo2.ll"), "-S", "-dce"]
)
assert not p.stderr
assert not p.stdout
assert not p.returncode
assert (tempdir / "foo2.ll").is_file()
# Compile bytecode to LLVM IR.
p = clang.Exec([str(tempdir / "foo2.ll"), "-o", str(tempdir / "foo")])
assert not p.stderr
assert not p.stdout
assert not p.returncode
assert (tempdir / "foo").is_file()
subprocess.check_call([str(tempdir / "foo")])
def BytecodeToPollyCanonicalized(source: str) -> str:
process = opt.Exec(
["-polly-canonicalize", "-S", "-", "-o", "-"], stdin=source
)
if process.returncode:
