================
@@ -656,19 +656,29 @@ std::string ToolChain::getCompilerRT(const ArgList &Args,
StringRef Component,
// Check for runtime files in the new layout without the architecture first.
std::string CRTBasename =
buildCompilerRTBasename(Args, Component, Type, /*AddArch=*/false);
+ SmallString<128> Path;
for (const auto &LibPath : getLibraryPaths()) {
SmallString<128> P(LibPath);
llvm::sys::path::append(P, CRTBasename);
if (getVFS().exists(P))
return std::string(P);
+ if (Path.empty())
+ Path = P;
}
+ if (getTriple().isOSAIX())
+ Path.clear();
- // Fall back to the old expected compiler-rt name if the new one does not
- // exist.
+ // Check the filename for the old layout if the new one does not exist.
CRTBasename =
buildCompilerRTBasename(Args, Component, Type, /*AddArch=*/true);
- SmallString<128> Path(getCompilerRTPath());
- llvm::sys::path::append(Path, CRTBasename);
+ SmallString<128> OldPath(getCompilerRTPath());
+ llvm::sys::path::append(OldPath, CRTBasename);
+ if (Path.empty() || getVFS().exists(OldPath))
+ return std::string(OldPath);
+
+ // If none is found, use a file name from the new layout, which may get
+ // printed in an error message, aiding users in knowing what Clang is
+ // looking for.
----------------
nico wrote:
Oh sorry, that comment was for #87866, which I think does change behavior
outside of warning messages, combined with this change.
https://crbug.com/335997052 has details. I'll move the comment to that other PR.
https://github.com/llvm/llvm-project/pull/81037
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