Commit 954728e9 authored by Ben Walker's avatar Ben Walker Committed by Darek Stojaczyk
Browse files

build: Support PGO on clang. 



Change-Id: I837c6c35c7ab34f5610d782647e333db2aff1f63
Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/444279


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarDarek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 5a670e8e

configure

+7 −0
Original line number Diff line number Diff line
@@ -490,6 +490,13 @@ fi 
if [[ "${CONFIG[PGO_CAPTURE]}" = "y" && "${CONFIG[PGO_USE]}" = "y" ]]; then

	echo "ERROR: --enable-pgo-capture and --enable-pgo-use are mutually exclusive."

	exit 1

elif [[ "${CONFIG[PGO_USE]}" = "y" ]]; then

	CC_TYPE=$($rootdir/scripts/detect_cc.sh --cc=$CC --cxx=$CXX --lto=$CONFIG[LTO] --ld=$LD | grep "CC_TYPE" | cut -d "=" -f 2)

	if [[ "$CC_TYPE" = "clang" ]]; then

		# For clang we need to run an extra step on gathered profiling data.

		echo "Generating suitable profile data"

		llvm-profdata merge -output=build/pgo/default.profdata build/pgo

	fi

fi