diff options
| author | Phoebe Wang <phoebe.wang@intel.com> | 2022-12-21 11:39:11 +0800 |
|---|---|---|
| committer | Phoebe Wang <phoebe.wang@intel.com> | 2022-12-21 11:54:05 +0800 |
| commit | e746a9a600a0f697009820eb6acf8eff65853f0f (patch) | |
| tree | 116f074c8a2a05a9996d46ee187e9244ae576eae /clang/lib/CodeGen/CodeGenFunction.cpp | |
| parent | eeb8de936303e0341417b4580b456ba6ea2a82f7 (diff) | |
| download | llvm-e746a9a600a0f697009820eb6acf8eff65853f0f.zip llvm-e746a9a600a0f697009820eb6acf8eff65853f0f.tar.gz llvm-e746a9a600a0f697009820eb6acf8eff65853f0f.tar.bz2 | |
[Clang] Emit "min-legal-vector-width" attribute for X86 only
This is an alternative way of D139627 suggested by Craig. Creently only X86 backend uses this attribute. Let's just emit for X86 only.
Reviewed By: craig.topper
Differential Revision: https://reviews.llvm.org/D139701
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp index 874a083..a8d9b81 100644 --- a/clang/lib/CodeGen/CodeGenFunction.cpp +++ b/clang/lib/CodeGen/CodeGenFunction.cpp @@ -499,7 +499,9 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) { // 4. Width of vector arguments and return types for this function. // 5. Width of vector aguments and return types for functions called by this // function. - CurFn->addFnAttr("min-legal-vector-width", llvm::utostr(LargestVectorWidth)); + if (getContext().getTargetInfo().getTriple().isX86()) + CurFn->addFnAttr("min-legal-vector-width", + llvm::utostr(LargestVectorWidth)); // Add vscale_range attribute if appropriate. Optional<std::pair<unsigned, unsigned>> VScaleRange = |