diff --git a/pkgs/development/compilers/ghc/8.10.7.nix b/pkgs/development/compilers/ghc/8.10.7.nix
index b2ff43ca0989336..f7ee4a6fd4f5430 100644
--- a/pkgs/development/compilers/ghc/8.10.7.nix
+++ b/pkgs/development/compilers/ghc/8.10.7.nix
@@ -472,6 +472,16 @@ stdenv.mkDerivation (rec {
       "otool command" "${toolPath "otool" installCC}" \
       "install_name_tool command" "${toolPath "install_name_tool" installCC}"
   ''
+  + lib.optionalString useLLVM ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM llc command" "${lib.getBin llvmPackages.llvm}/bin/llc" \
+      "LLVM opt command" "${lib.getBin llvmPackages.llvm}/bin/opt"
+  ''
+  # FIXME(@sternenseemann): use installCC instead if possible
+  + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM clang command" "${llvmPackages.clang}/bin/${llvmPackages.clang.targetPrefix}clang"
+  ''
   + ''
 
     # Install the bash completion file.
diff --git a/pkgs/development/compilers/ghc/common-hadrian.nix b/pkgs/development/compilers/ghc/common-hadrian.nix
index e4a48e29624db3f..1e42f70d66a50e6 100644
--- a/pkgs/development/compilers/ghc/common-hadrian.nix
+++ b/pkgs/development/compilers/ghc/common-hadrian.nix
@@ -620,6 +620,16 @@ stdenv.mkDerivation ({
       "otool command" "${toolPath "otool" installCC}" \
       "install_name_tool command" "${toolPath "install_name_tool" installCC}"
   ''
+  + lib.optionalString useLLVM ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM llc command" "${lib.getBin llvmPackages.llvm}/bin/llc" \
+      "LLVM opt command" "${lib.getBin llvmPackages.llvm}/bin/opt"
+  ''
+  # FIXME(@sternenseemann): use installCC instead if possible
+  + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM clang command" "${llvmPackages.clang}/bin/${llvmPackages.clang.targetPrefix}clang"
+  ''
   # Work around a GHC bug which causes unlit to be installed under a different
   # name than is used in the settings file.
   # https://gitlab.haskell.org/ghc/ghc/-/issues/23317
diff --git a/pkgs/development/compilers/ghc/common-make-native-bignum.nix b/pkgs/development/compilers/ghc/common-make-native-bignum.nix
index 31fd9ff405d6834..59897f9949eadb1 100644
--- a/pkgs/development/compilers/ghc/common-make-native-bignum.nix
+++ b/pkgs/development/compilers/ghc/common-make-native-bignum.nix
@@ -489,6 +489,16 @@ stdenv.mkDerivation (rec {
       "otool command" "${toolPath "otool" installCC}" \
       "install_name_tool command" "${toolPath "install_name_tool" installCC}"
   ''
+  + lib.optionalString useLLVM ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM llc command" "${lib.getBin llvmPackages.llvm}/bin/llc" \
+      "LLVM opt command" "${lib.getBin llvmPackages.llvm}/bin/opt"
+  ''
+  # FIXME(@sternenseemann): use installCC instead if possible
+  + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM clang command" "${llvmPackages.clang}/bin/${llvmPackages.clang.targetPrefix}clang"
+  ''
   + ''
 
     # Install the bash completion file.