test-release.sh: Only build the clang target in stage 1 and 2 (llvm#7…

…2703)

This skips the build of all the unittests and llvm/clang tools, reducing
the number of ninja targets from 4,826 to 3,816 in phase 1 and phase 2.

llvm/utils/release/test-release.sh

@@ -465,6 +465,17 @@ function build_llvmCore() {
  fi
  LitVerbose="-v"
 
+ InstallTarget="install"
+ if [ "$Phase" -lt "3" ]; then
+ BuildTarget="clang"
+ InstallTarget="install-clang install-clang-resource-headers"
+ # compiler-rt builtins is needed on AIX to have a functional Phase 1 clang.
+ if [ "$System" = "AIX" -o "$Phase" != "1" ]; then
+ BuildTarget="$BuildTarget runtimes"
+ InstallTarget="$InstallTarget install-runtimes"
+ fi
+ fi
+
  redir="/dev/stdout"
  if [ $do_silent_log == "yes" ]; then
  echo "# Silencing build logs because of -silent-log flag..."
@@ -474,12 +485,12 @@ function build_llvmCore() {
  cd $ObjDir
  echo "# Compiling llvm $Release-$RC $Flavor"
  echo "# ${MAKE} -j $NumJobs $Verbose"
- ${MAKE} -j $NumJobs $Verbose \
+ ${MAKE} -j $NumJobs $Verbose $BuildTarget \
  2>&1 | tee $LogDir/llvm.make-Phase$Phase-$Flavor.log > $redir
 
  echo "# Installing llvm $Release-$RC $Flavor"
  echo "# ${MAKE} install"
- DESTDIR="${DestDir}" ${MAKE} install \
+ DESTDIR="${DestDir}" ${MAKE} $InstallTarget \
  2>&1 | tee $LogDir/llvm.install-Phase$Phase-$Flavor.log > $redir
  cd $BuildDir
 }