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Simplify existing code for setting filecheck flags

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This removes a version check for LLVM >=13, and specifies prefixes as a series
of independent `--check-prefix` flags instead of a single `--check-prefixes`.
This commit is contained in:
Zalathar 2024-02-03 11:06:59 +11:00
parent 36f298c93d
commit 1e432dd9f4
1 changed files with 17 additions and 11 deletions
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28
src/tools/compiletest/src/runtest.rs
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@ -2906,23 +2906,29 @@ fn compile_test_and_save_assembly(&self) -> (ProcRes, PathBuf) {
fn verify_with_filecheck(&self, output: &Path) -> ProcRes {
let mut filecheck = Command::new(self.config.llvm_filecheck.as_ref().unwrap());
filecheck.arg("--input-file").arg(output).arg(&self.testpaths.file);
// It would be more appropriate to make most of the arguments configurable through
// a comment-attribute similar to `compile-flags`. For example, --check-prefixes is a very
// useful flag.
//
// For now, though…
let prefix_for_target =
if self.config.target.contains("msvc") { "MSVC" } else { "NONMSVC" };
let prefixes = if let Some(rev) = self.revision {
format!("CHECK,{},{}", prefix_for_target, rev)
} else {
format!("CHECK,{}", prefix_for_target)
};
if self.config.llvm_version.unwrap_or(0) >= 130000 {
filecheck.args(&["--allow-unused-prefixes", "--check-prefixes", &prefixes]);
} else {
filecheck.args(&["--check-prefixes", &prefixes]);
// Because we use custom prefixes, we also have to register the default prefix.
filecheck.arg("--check-prefix=CHECK");
// Some tests use the current revision name as a check prefix.
if let Some(rev) = self.revision {
filecheck.arg("--check-prefix").arg(rev);
}
// Some tests also expect either the MSVC or NONMSVC prefix to be defined.
let msvc_or_not = if self.config.target.contains("msvc") { "MSVC" } else { "NONMSVC" };
filecheck.arg("--check-prefix").arg(msvc_or_not);
// The filecheck tool normally fails if a prefix is defined but not used.
// However, we define several prefixes globally for all tests.
filecheck.arg("--allow-unused-prefixes");
// Provide more context on failures.
filecheck.args(&["--dump-input-context", "100"]);
self.compose_and_run(filecheck, "", None, None)