llvm: Upgrade to LLVM-18 RC2

Final Release is coming in first week of March

(From OE-Core rev: 25b093a30566ad6fd6dc0fdfdd413db7020559bb)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/llvm/llvm_git.bb

@@ -14,14 +14,17 @@ RDEPENDS:${PN}:append:class-target = " ncurses-terminfo"
 
 inherit cmake pkgconfig
 
-PV = "17.0.6"
+# could be 'rcX' or 'git' or empty ( for release )
+VER_SUFFIX = ""
+
+PV = "18.1.0${VER_SUFFIX}"
 
 MAJOR_VERSION = "${@oe.utils.trim_version("${PV}", 1)}"
 
 LLVM_RELEASE = "${PV}"
 
 BRANCH = "release/${MAJOR_VERSION}.x"
-SRCREV = "6009708b4367171ccdbf4b5905cb6a803753fe18"
+SRCREV = "0d656f0f12d447ac0e197618a0d25495d66388d1"
 SRC_URI = "git://github.com/llvm/llvm-project.git;branch=${BRANCH};protocol=https \
            file://0007-llvm-allow-env-override-of-exe-path.patch;striplevel=2 \
            file://0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch;striplevel=2 \
@@ -75,6 +78,7 @@ EXTRA_OECMAKE += "-DLLVM_ENABLE_ASSERTIONS=OFF \
                   -DFFI_INCLUDE_DIR=$(pkg-config --variable=includedir libffi) \
                   -DLLVM_OPTIMIZED_TABLEGEN=ON \
                   -DLLVM_TARGETS_TO_BUILD='${LLVM_TARGETS}' \
+                  -DLLVM_VERSION_SUFFIX='${VER_SUFFIX}' \
                   -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON \
                   -DCMAKE_BUILD_TYPE=Release \
                  "