diff --git a/.github/workflows/ci-cpp.yml b/.github/workflows/ci-cpp.yml
index ea47330f6..4802c567b 100644
--- a/.github/workflows/ci-cpp.yml
+++ b/.github/workflows/ci-cpp.yml
@@ -60,14 +60,14 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /home/runner/work/spice/llvm
-          key: llvm-18.1.0-rc2
+          key: llvm-18.1.0-rc3
 
       - name: Setup LLVM
         if: steps.cache-llvm.outputs.cache-hit != 'true'
         run: |
           cd ..
           rm -rf llvm
-          git clone --depth 1 --branch llvmorg-18.1.0-rc2 https://github.com/llvm/llvm-project llvm
+          git clone --depth 1 --branch llvmorg-18.1.0-rc3 https://github.com/llvm/llvm-project llvm
           mkdir ./llvm/build
           cd ./llvm/build
           cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_CXX_FLAGS_RELEASE="-O2" -DLLVM_ENABLE_RTTI=ON -GNinja ../llvm
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 2f7370eee..e4887de21 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -46,14 +46,14 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /home/runner/work/spice/llvm
-          key: llvm-18.1.0-rc2
+          key: llvm-18.1.0-rc3
 
       - name: Setup LLVM
         if: steps.cache-llvm.outputs.cache-hit != 'true'
         run: |
           echo "/usr/lib/ccache:/usr/local/opt/ccache/libexec" >> $GITHUB_PATH
           cd ..
-          git clone --depth 1 --branch llvmorg-18.1.0-rc2 https://github.com/llvm/llvm-project llvm
+          git clone --depth 1 --branch llvmorg-18.1.0-rc3 https://github.com/llvm/llvm-project llvm
           mkdir ./llvm/build
           cd ./llvm/build
           cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_CXX_FLAGS_RELEASE="-O2" -DLLVM_ENABLE_RTTI=ON -GNinja ../llvm
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index eb14da781..c136e723f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -42,12 +42,12 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /home/runner/work/spice/spice/llvm
-          key: llvm-18.1.0-rc2-linux-x64
+          key: llvm-18.1.0-rc3-linux-x64
 
       - name: Setup LLVM
         if: steps.cache-llvm.outputs.cache-hit != 'true'
         run: |
-          git clone --depth 1 --branch llvmorg-18.1.0-rc2 https://github.com/llvm/llvm-project.git llvm
+          git clone --depth 1 --branch llvmorg-18.1.0-rc3 https://github.com/llvm/llvm-project.git llvm
           mkdir ./llvm/build
           cd ./llvm/build
           cmake -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_CXX_FLAGS_RELEASE="-O2" -DLLVM_ENABLE_RTTI=ON -Wno-dev -Wattributes ../llvm
@@ -109,12 +109,12 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /home/runner/work/spice/spice/llvm
-          key: llvm-18.1.0-rc2-linux-aarch64
+          key: llvm-18.1.0-rc3-linux-aarch64
 
       - name: Clone LLVM
         if: steps.cache-llvm.outputs.cache-hit != 'true'
         run: |
-          git clone --depth 1 --branch llvmorg-18.1.0-rc2 https://github.com/llvm/llvm-project.git llvm
+          git clone --depth 1 --branch llvmorg-18.1.0-rc3 https://github.com/llvm/llvm-project.git llvm
           mkdir ./llvm/build
 
       - name: Setup LLVM
diff --git a/dev-setup.bat b/dev-setup.bat
index 18a50a065..d4df5de76 100644
--- a/dev-setup.bat
+++ b/dev-setup.bat
@@ -34,7 +34,7 @@ echo done.
 
 :: Clone LLVM
 echo [Step 2] Cloning LLVM (Could take a while) ...
-git clone --depth 1 --branch llvmorg-18.1.0-rc2 https://github.com/llvm/llvm-project llvm
+git clone --depth 1 --branch llvmorg-18.1.0-rc3 https://github.com/llvm/llvm-project llvm
 echo done.
 
 :: Build LLVM
diff --git a/dev-setup.sh b/dev-setup.sh
index ebe5a4a17..40bc0b21e 100755
--- a/dev-setup.sh
+++ b/dev-setup.sh
@@ -16,7 +16,7 @@ colored_echo "done."
 
 # Clone LLVM
 colored_echo "[Step 2] Cloning LLVM (Could take a while) ... "
-git clone --depth 1 --branch llvmorg-18.1.0-rc2 https://github.com/llvm/llvm-project llvm
+git clone --depth 1 --branch llvmorg-18.1.0-rc3 https://github.com/llvm/llvm-project llvm
 colored_echo "done."
 
 # Build LLVM