diff --git a/pkgs/development/compilers/souper/default.nix b/pkgs/development/compilers/souper/default.nix
new file mode 100644
index 000000000000..74e1cbf68d30
--- /dev/null
+++ b/pkgs/development/compilers/souper/default.nix
@@ -0,0 +1,56 @@
+{ stdenv, fetchFromGitHub, cmake, makeWrapper
+, llvmPackages_39, hiredis, z3_opt, gtest
+}:
+
+let
+  klee = fetchFromGitHub {
+    owner = "klee";
+    repo  = "klee";
+    rev   = "a743d7072d9ccf11f96e3df45f25ad07da6ad9d6";
+    sha256 = "0qwzs029vlba8xz362n4b00hdm2z3lzhzmvix1r8kpbfrvs8vv91";
+  };
+in stdenv.mkDerivation {
+  name = "souper-unstable-2017-01-05";
+
+  src = fetchFromGitHub {
+    owner  = "google";
+    repo   = "souper";
+    rev    = "1be75fe6a96993b57dcba038798fe6d1c7d113eb";
+    sha256 = "0r8mjb88lwz9a3syx7gwsxlwfg0krffaml04ggaf3ad0cza2mvm8";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    makeWrapper
+  ];
+
+  buildInputs = [
+    llvmPackages_39.llvm
+    llvmPackages_39.clang-unwrapped
+    hiredis
+    gtest
+  ];
+
+  enableParallelBuilding = true;
+
+  preConfigure = ''
+      mkdir -pv third_party
+      cp -R "${klee}" third_party/klee
+  '';
+
+  installPhase = ''
+      mkdir -pv $out/bin
+      cp -v ./souper       $out/bin/
+      cp -v ./clang-souper $out/bin/
+      wrapProgram "$out/bin/souper" \
+          --add-flags "-z3-path=\"${z3_opt}/bin/z3\""
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A superoptimizer for LLVM IR";
+    homepage    = "https://github.com/google/souper";
+    license     = licenses.asl20;
+    maintainers = with maintainers; [ taktoa ];
+    platforms   = with platforms; linux;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1264013db36c..b27f42f55f6e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3844,6 +3844,8 @@ with pkgs;
 
   sonata = callPackage ../applications/audio/sonata { };
 
+  souper = callPackage ../development/compilers/souper { };
+
   sparsehash = callPackage ../development/libraries/sparsehash { };
 
   spiped = callPackage ../tools/networking/spiped { };