Build with LLVM 12 (#515)

* Build with LLVM 12

* Update scripts

* Fix syntax

Author: ekilmer

.github/workflows/ci.yml

@@ -27,7 +27,8 @@ jobs:
         llvm: [
           '9',
           '10',
-          '11'
+          '11',
+          '12'
           ]
 
     runs-on: ubuntu-20.04
@@ -100,7 +101,8 @@ jobs:
           'macos-10.15'
           ]
         llvm: [
-          '11'
+          '11',
+          '12'
           ]
 
     runs-on: ${{ matrix.os }}

scripts/build.sh

@@ -305,6 +305,10 @@ function GetLLVMVersion
       LLVM_VERSION=llvm-11
       return 0
     ;;
+    12)
+      LLVM_VERSION=llvm-12
+      return 0
+    ;;
     *)
       # unknown option
       echo "[x] Unknown LLVM version ${1}. You may be able to manually build it with cxx-common."

scripts/docker-lifter-entrypoint.sh

@@ -43,6 +43,9 @@ case ${LLVM_VERSION} in
   llvm11*)
     V=11
   ;;
+  llvm12*)
+    V=12
+  ;;
   *)
     echo "Unknown LLVM version: ${LLVM_VERSION}"
     exit 1