From 65ef7b3f80ab432dfdd0abee727e2986a2f4a350 Mon Sep 17 00:00:00 2001
From: SharzyL <me@sharzy.in>
Date: Mon, 6 Feb 2023 01:31:54 +0800
Subject: [PATCH 1/2] maintainers: add sharzy

---
 maintainers/maintainer-list.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 82916749f9a4..e5e020de80fe 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -13338,6 +13338,12 @@
     githubId = 16765155;
     name = "Shardul Baral";
   };
+  sharzy = {
+    email = "me@sharzy.in";
+    github = "SharzyL";
+    githubId = 46294732;
+    name = "Sharzy";
+  };
   shawndellysse = {
     email = "sdellysse@gmail.com";
     github = "sdellysse";

From 64f21e162080aac06a69e7fe4c123329927ac2fe Mon Sep 17 00:00:00 2001
From: SharzyL <me@sharzy.in>
Date: Mon, 6 Feb 2023 01:32:18 +0800
Subject: [PATCH 2/2] circt: init at 1.29.0

---
 pkgs/development/compilers/circt/default.nix | 63 ++++++++++++++++++++
 pkgs/top-level/all-packages.nix              |  2 +
 2 files changed, 65 insertions(+)
 create mode 100644 pkgs/development/compilers/circt/default.nix

diff --git a/pkgs/development/compilers/circt/default.nix b/pkgs/development/compilers/circt/default.nix
new file mode 100644
index 000000000000..7c986ebfca4a
--- /dev/null
+++ b/pkgs/development/compilers/circt/default.nix
@@ -0,0 +1,63 @@
+{ stdenv
+, lib
+, cmake
+, coreutils
+, python3
+, git
+, fetchFromGitHub
+, ninja
+}:
+
+let
+  pythonEnv = python3.withPackages (ps: [ ps.psutil ]);
+in
+stdenv.mkDerivation rec {
+  pname = "circt";
+  version = "1.29.0";
+  src = fetchFromGitHub {
+    owner = "llvm";
+    repo = "circt";
+    rev = "firtool-${version}";
+    sha256 = "sha256-HsXwh98RZuXvK/KkZ2NAGwWNLxUAQVj+WKzZXd4C4Is=";
+    fetchSubmodules = true;
+  };
+
+  requiredSystemFeatures = [ "big-parallel" ];
+
+  nativeBuildInputs = [ cmake ninja git pythonEnv ];
+
+  cmakeDir = "../llvm/llvm";
+  cmakeFlags = [
+    "-DLLVM_ENABLE_BINDINGS=OFF"
+    "-DLLVM_ENABLE_OCAMLDOC=OFF"
+    "-DLLVM_BUILD_EXAMPLES=OFF"
+    "-DLLVM_OPTIMIZED_TABLEGEN=ON"
+    "-DLLVM_ENABLE_PROJECTS=mlir"
+    "-DLLVM_EXTERNAL_PROJECTS=circt"
+    "-DLLVM_EXTERNAL_CIRCT_SOURCE_DIR=.."
+    "-DCIRCT_LLHD_SIM_ENABLED=OFF"
+  ];
+
+  preConfigure = ''
+    substituteInPlace test/circt-reduce/test/annotation-remover.mlir --replace "/usr/bin/env" "${coreutils}/bin/env"
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    mv bin/{{fir,hls}tool,circt-{as,dis,lsp-server,opt,reduce,translate}} $out/bin
+    runHook postInstall
+  '';
+
+  doCheck = true;
+  checkTarget = "check-circt check-circt-integration";
+
+  meta = {
+    description = "Circuit IR compilers and tools";
+    homepage = "https://circt.org/";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ sharzy ];
+    platforms = lib.platforms.all;
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 29b02a714f17..75a20360920c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -390,6 +390,8 @@ with pkgs;
 
   chrysalis = callPackage ../applications/misc/chrysalis { };
 
+  circt = callPackage ../development/compilers/circt { };
+
   classicube = callPackage ../games/classicube { };
 
   clj-kondo = callPackage ../development/tools/clj-kondo { };