Update llvm to 21.1.5

Author: Megamouse

.github/workflows/rpcs3.yml

@@ -215,7 +215,7 @@ jobs:
       QT_VER: '6.10.0'
       QT_VER_MSVC: 'msvc2022'
       QT_DATE: '202510021201'
-      LLVM_VER: '19.1.7'
+      LLVM_VER: '21.1.5'
       VULKAN_VER: '1.3.268.0'
       VULKAN_SDK_SHA: '8459ef49bd06b697115ddd3d97c9aec729e849cd775f5be70897718a9b3b9db5'
       CCACHE_SHA: '1f39f3ad5aae3fe915e99ad1302633bc8f6718e58fa7c0de2b0ba7e080f0f08c'
@@ -413,7 +413,7 @@ jobs:
     env:
       CCACHE_DIR: ${{ github.workspace }}/ccache
       QT_VER_MAIN: '6'
-      LLVM_COMPILER_VER: '19'
+      LLVM_COMPILER_VER: '21'
     steps:
       - name: Checkout repository
         uses: actions/checkout@main

3rdparty/llvm/CMakeLists.txt

@@ -51,7 +51,7 @@ if(WITH_LLVM)
 
 		set(STATIC_LINK_LLVM ON CACHE BOOL "Link against LLVM statically. This will get set to ON if you build LLVM from the submodule." FORCE)
 
-		find_package(LLVM 19.1 CONFIG)
+		find_package(LLVM 21.1 CONFIG)
 		if(NOT LLVM_FOUND)
 			message(FATAL_ERROR "Couldn't build LLVM from the submodule. You might need to run `git submodule update --init`")
 		endif()

3rdparty/llvm/llvm

@@ -130,7 +130,7 @@ Start **Visual Studio**, click on `Open a project or solution` and select the `r
 **NOTE:** The recommended build configuration is `Release`. (On older revisions: `Release - LLVM`)
 
 To speed up the compilation time, you may want to download and extract to `<rpcs3_root>\build\lib_ext\<$(Configuration)>-x64` (e.g. `c:\rpcs3\build\lib_ext\Release-x64`; the path needs to be created) the following precompiled lib:
-- [LLVM libs](https://github.com/RPCS3/llvm-mirror/releases/download/custom-build-win-19.1.7/llvmlibs_mt.7z)
+- [LLVM libs](https://github.com/RPCS3/llvm-mirror/releases/download/custom-build-win-21.1.5/llvmlibs_mt.7z)
 
 **NOTES:**
 - `<$(Configuration)>` can assume values `Release` or `Debug`.

BUILDING.md

@@ -43,8 +43,8 @@
         LLVMBitstreamReader.lib;
         LLVMBitWriter.lib;
         LLVMCFGuard.lib;
+        LLVMCGData.lib;
         LLVMCodeGen.lib;
-        LLVMCodeGenData.lib;
         LLVMCodeGenTypes.lib;
         LLVMCore.lib;
         LLVMCoroutines.lib;
@@ -53,19 +53,23 @@
         LLVMDebugInfoCodeView.lib;
         LLVMDebuginfod.lib;
         LLVMDebugInfoDWARF.lib;
+        LLVMDebugInfoDWARFLowLevel.lib;
         LLVMDebugInfoGSYM.lib;
         LLVMDebugInfoLogicalView.lib;
         LLVMDebugInfoMSF.lib;
         LLVMDebugInfoPDB.lib;
         LLVMDemangle.lib;
         LLVMDlltoolDriver.lib;
+        LLVMDWARFCFIChecker.lib;
         LLVMDWARFLinker.lib;
         LLVMDWARFLinkerClassic.lib;
         LLVMDWARFLinkerParallel.lib;
         LLVMDWP.lib;
         LLVMExecutionEngine.lib;
         LLVMExtensions.lib;
         LLVMFileCheck.lib;
+        LLVMFrontendAtomic.lib;
+        LLVMFrontendDirective.lib;
         LLVMFrontendDriver.lib;
         LLVMFrontendHLSL.lib;
         LLVMFrontendOffloading.lib;
@@ -118,6 +122,7 @@
         LLVMTableGenCommon.lib;
         LLVMTarget.lib;
         LLVMTargetParser.lib;
+        LLVMTelemetry.lib;
         LLVMTextAPI.lib;
         LLVMTextAPIBinaryReader.lib;
         LLVMTransformUtils.lib;

buildfiles/msvc/rpcs3_default.props

@@ -1149,7 +1149,7 @@ struct llvm_fshl
 	static llvm::Function* get_fshl(llvm::IRBuilder<>* ir)
 	{
 		const auto _module = ir->GetInsertBlock()->getParent()->getParent();
-		return llvm::Intrinsic::getDeclaration(_module, llvm::Intrinsic::fshl, {llvm_value_t<T>::get_type(ir->getContext())});
+		return llvm::Intrinsic::getOrInsertDeclaration(_module, llvm::Intrinsic::fshl, {llvm_value_t<T>::get_type(ir->getContext())});
 	}
 
 	static llvm::Value* fold(llvm::IRBuilder<>* ir, llvm::Value* v1, llvm::Value* v2, llvm::Value* v3)
@@ -1221,7 +1221,7 @@ struct llvm_fshr
 	static llvm::Function* get_fshr(llvm::IRBuilder<>* ir)
 	{
 		const auto _module = ir->GetInsertBlock()->getParent()->getParent();
-		return llvm::Intrinsic::getDeclaration(_module, llvm::Intrinsic::fshr, {llvm_value_t<T>::get_type(ir->getContext())});
+		return llvm::Intrinsic::getOrInsertDeclaration(_module, llvm::Intrinsic::fshr, {llvm_value_t<T>::get_type(ir->getContext())});
 	}
 
 	static llvm::Value* fold(llvm::IRBuilder<>* ir, llvm::Value* v1, llvm::Value* v2, llvm::Value* v3)
@@ -2220,7 +2220,7 @@ struct llvm_add_sat
 	static llvm::Function* get_add_sat(llvm::IRBuilder<>* ir)
 	{
 		const auto _module = ir->GetInsertBlock()->getParent()->getParent();
-		return llvm::Intrinsic::getDeclaration(_module, intr, {llvm_value_t<T>::get_type(ir->getContext())});
+		return llvm::Intrinsic::getOrInsertDeclaration(_module, intr, {llvm_value_t<T>::get_type(ir->getContext())});
 	}
 
 	llvm::Value* eval(llvm::IRBuilder<>* ir) const
@@ -2303,7 +2303,7 @@ struct llvm_sub_sat
 	static llvm::Function* get_sub_sat(llvm::IRBuilder<>* ir)
 	{
 		const auto _module = ir->GetInsertBlock()->getParent()->getParent();
-		return llvm::Intrinsic::getDeclaration(_module, intr, {llvm_value_t<T>::get_type(ir->getContext())});
+		return llvm::Intrinsic::getOrInsertDeclaration(_module, intr, {llvm_value_t<T>::get_type(ir->getContext())});
 	}
 
 	llvm::Value* eval(llvm::IRBuilder<>* ir) const
@@ -3592,7 +3592,7 @@ class cpu_translator
 	llvm::Function* get_intrinsic(llvm::Intrinsic::ID id)
 	{
 		const auto _module = m_ir->GetInsertBlock()->getParent()->getParent();
-		return llvm::Intrinsic::getDeclaration(_module, id, {get_type<Types>()...});
+		return llvm::Intrinsic::getOrInsertDeclaration(_module, id, {get_type<Types>()...});
 	}
 
 	template <typename T1, typename T2>
@@ -4007,7 +4007,7 @@ llvm::CallInst* llvm_asm(
 	const std::string& constraints,
 	llvm::LLVMContext& context)
 {
-	llvm::ArrayRef<llvm::Type*> types_ref = std::nullopt;
+	llvm::ArrayRef<llvm::Type*> types_ref = {};
 	std::vector<llvm::Type*> types;
 	types.reserve(args.size());