[llvm] [clang] Enable descriptions for --print-supported-extensions (PR #66715)
Balint Cristian via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 19 03:07:50 PDT 2023
================
@@ -600,11 +601,17 @@ StringRef ARM::getARMCPUForArch(const llvm::Triple &Triple, StringRef MArch) {
llvm_unreachable("invalid arch name");
}
-void ARM::PrintSupportedExtensions() {
+void ARM::PrintSupportedExtensions(std::map<StringRef, StringRef> llvmDescMap) {
outs() << "All available -march extensions for ARM\n\n";
for (const auto &Ext : ARCHExtNames) {
// Extensions without a feature cannot be used with -march.
- if (!Ext.Feature.empty())
- outs() << '\t' << Ext.Name << "\n";
+ if (!Ext.Feature.empty()) {
+ if (llvmDescMap.empty()) {
+ outs() << '\t' << Ext.Name << "\n";
+ } else {
+ outs() << format("\t%-20s", Ext.Name.str().c_str());
+ outs() << "\t\t" << llvmDescMap[Ext.Name] << "\n";
----------------
cbalint13 wrote:
> This can be one call to outs().
The ```if-else``` It is due to separation of "Description" column as optional.
To compress the 2*outs (inside else) format then will be quite long expansion:
```llvmDescMap["experimental-"+Ext.Name].str().c_str() ```
Will try again, but spent quite some time on this very estetic part.
https://github.com/llvm/llvm-project/pull/66715
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