add piston nix pkg for llvm_ir

packages/llvm_ir/12.0.1/build.sh

@@ -1,6 +0,0 @@
-#!/usr/bin/env bash
-curl -L "https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.1/clang+llvm-12.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz" -o llvm-ir.tar.xz
-
-tar xf llvm-ir.tar.xz clang+llvm-12.0.1-x86_64-linux-gnu-ubuntu-/bin --strip-components=1
-
-rm llvm-ir.tar.xz

packages/llvm_ir/12.0.1/compile

@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-
-llc "$@" -o binary.s
-clang binary.s -o binary

packages/llvm_ir/12.0.1/environment

@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-export PATH=$PWD/bin:$PATH

packages/llvm_ir/12.0.1/metadata.json

@@ -1,5 +0,0 @@
-{
-    "language": "llvm_ir",
-    "version": "12.0.1",
-    "aliases": ["llvm", "llvm-ir", "ll"]
-}

packages/llvm_ir/12.0.1/run

@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-
-shift
-binary "$@"

packages/llvm_ir/12.0.1/test.ll

@@ -1,10 +0,0 @@
-@.str = private unnamed_addr constant [2 x i8] c"OK"
-
-declare i32 @puts(i8* nocapture) nounwind
-
-define i32 @main() {
-    %cast210 = getelementptr [2 x i8],[2 x i8]* @.str, i64 0, i64 0
-
-    call i32 @puts(i8* %cast210)
-    ret i32 0
-}