From ea2ca5e6394a6bd63c068675addc151cf13a6e73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?PedroHLC=20=E2=98=AD?= <root@pedrohlc.com>
Date: Sat, 22 Oct 2022 11:43:23 -0300
Subject: [PATCH 1/2] spirv-llvm-translator: version depends on llvm version

---
 .../spirv-llvm-translator/default.nix         | 23 +++++++++++++------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/compilers/spirv-llvm-translator/default.nix b/pkgs/development/compilers/spirv-llvm-translator/default.nix
index ace6c773770a..a268dafbdef0 100644
--- a/pkgs/development/compilers/spirv-llvm-translator/default.nix
+++ b/pkgs/development/compilers/spirv-llvm-translator/default.nix
@@ -3,31 +3,40 @@
 , cmake
 , pkg-config
 , lit
-, llvm_11
+, llvm
 , spirv-headers
 , spirv-tools
 }:
 
+let
+  llvmMajor = lib.versions.major llvm.version;
+
+  branch =
+    if llvmMajor == "11" then {
+      version = "unstable-2022-05-04";
+      rev = "99420daab98998a7e36858befac9c5ed109d4920"; # 265 commits ahead of v11.0.0
+      hash = "sha256-/vUyL6Wh8hykoGz1QmT1F7lfGDEmG4U3iqmqrJxizOg=";
+    } else throw "Incompatible LLVM version.";
+in
 stdenv.mkDerivation rec {
   pname = "SPIRV-LLVM-Translator";
-  version = "unstable-2022-05-04";
+  inherit (branch) version;
 
   src = fetchFromGitHub {
     owner = "KhronosGroup";
     repo = "SPIRV-LLVM-Translator";
-    rev = "99420daab98998a7e36858befac9c5ed109d4920";
-    sha256 = "sha256-/vUyL6Wh8hykoGz1QmT1F7lfGDEmG4U3iqmqrJxizOg=";
+    inherit (branch) rev hash;
   };
 
-  nativeBuildInputs = [ pkg-config cmake llvm_11.dev spirv-tools ];
+  nativeBuildInputs = [ pkg-config cmake llvm.dev spirv-tools ];
 
-  buildInputs = [ spirv-headers llvm_11 ];
+  buildInputs = [ spirv-headers llvm ];
 
   checkInputs = [ lit ];
 
   cmakeFlags = [
     "-DLLVM_INCLUDE_TESTS=ON"
-    "-DLLVM_DIR=${llvm_11.dev}"
+    "-DLLVM_DIR=${llvm.dev}"
     "-DBUILD_SHARED_LIBS=YES"
     "-DLLVM_SPIRV_BUILD_EXTERNAL=YES"
     # RPATH of binary /nix/store/.../bin/llvm-spirv contains a forbidden reference to /build/

From 40ee116f25a11632263f5dd2f824170b58daa085 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?PedroHLC=20=E2=98=AD?= <root@pedrohlc.com>
Date: Sat, 22 Oct 2022 11:46:23 -0300
Subject: [PATCH 2/2] spirv-llvm-translator_14: init at 14.0.0

---
 .../compilers/spirv-llvm-translator/default.nix      | 12 ++++++++++--
 pkgs/top-level/all-packages.nix                      |  2 ++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/compilers/spirv-llvm-translator/default.nix b/pkgs/development/compilers/spirv-llvm-translator/default.nix
index a268dafbdef0..2100c7d9070a 100644
--- a/pkgs/development/compilers/spirv-llvm-translator/default.nix
+++ b/pkgs/development/compilers/spirv-llvm-translator/default.nix
@@ -12,7 +12,15 @@ let
   llvmMajor = lib.versions.major llvm.version;
 
   branch =
-    if llvmMajor == "11" then {
+    if llvmMajor == "15" then rec {
+      version = "15.0.0";
+      rev = "v${version}";
+      hash = "sha256-111yL6Wh8hykoGz1QmT1F7lfGDEmG4U3iqmqrJxizOg=";
+    } else if llvmMajor == "14" then rec{
+      version = "14.0.0";
+      rev = "v${version}";
+      hash = "sha256-BhNAApgZ/w/92XjpoDY6ZEIhSTwgJ4D3/EfNvPmNM2o=";
+    } else if llvmMajor == "11" then {
       version = "unstable-2022-05-04";
       rev = "99420daab98998a7e36858befac9c5ed109d4920"; # 265 commits ahead of v11.0.0
       hash = "sha256-/vUyL6Wh8hykoGz1QmT1F7lfGDEmG4U3iqmqrJxizOg=";
@@ -41,7 +49,7 @@ stdenv.mkDerivation rec {
     "-DLLVM_SPIRV_BUILD_EXTERNAL=YES"
     # RPATH of binary /nix/store/.../bin/llvm-spirv contains a forbidden reference to /build/
     "-DCMAKE_SKIP_BUILD_RPATH=ON"
-  ];
+  ] ++ lib.optionals (llvmMajor != "11") [ "-DLLVM_EXTERNAL_SPIRV_HEADERS_SOURCE_DIR=${spirv-headers.src}" ];
 
   # FIXME: CMake tries to run "/llvm-lit" which of course doesn't exist
   doCheck = false;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 791d48213915..ba857b10e94f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15134,6 +15134,8 @@ with pkgs;
 
   spirv-llvm-translator = callPackage ../development/compilers/spirv-llvm-translator { };
 
+  spirv-llvm-translator_14 = callPackage ../development/compilers/spirv-llvm-translator { llvm = llvm_14; };
+
   sqldeveloper = callPackage ../development/tools/database/sqldeveloper {
     jdk = oraclejdk;
   };