[llvm] [llvm-lsp] LSP server for LLVM IR (PR #161969)

[Michal Vlasák via llvm-commits]

================
@@ -0,0 +1,27 @@
+# LLVM LSP server
+
+## Build
+
+```bash
+cmake -S llvm -B buildR -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++
----------------
vlasakm wrote:

Is this needed: `-DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++`?

https://github.com/llvm/llvm-project/pull/161969