compiler: Updates for LLVM/Clang 20 API changes.

Author: alexrp

src/clang.zig

@@ -112,13 +112,16 @@ pub const APFloatBaseSemantics = enum(c_int) {
     IEEEdouble,
     IEEEquad,
     PPCDoubleDouble,
+    PPCDoubleDoubleLegacy,
     Float8E5M2,
     Float8E5M2FNUZ,
     Float8E4M3,
     Float8E4M3FN,
     Float8E4M3FNUZ,
     Float8E4M3B11FNUZ,
+    Float8E3M4,
     FloatTF32,
+    Float8E8M0FNU,
     Float6E3M2FN,
     Float6E2M3FN,
     Float4E2M1FN,
@@ -1166,6 +1169,7 @@ pub const TypeClass = enum(c_int) {
     Elaborated,
     FunctionNoProto,
     FunctionProto,
+    HLSLAttributedResource,
     InjectedClassName,
     MacroQualified,
     ConstantMatrix,
@@ -1225,6 +1229,7 @@ const StmtClass = enum(c_int) {
     PackExpansionExprClass,
     UnresolvedMemberExprClass,
     UnresolvedLookupExprClass,
+    OpenACCAsteriskSizeExprClass,
     OpaqueValueExprClass,
     OffsetOfExprClass,
     ObjCSubscriptRefExprClass,
@@ -1255,6 +1260,7 @@ const StmtClass = enum(c_int) {
     InitListExprClass,
     ImplicitValueInitExprClass,
     ImaginaryLiteralClass,
+    HLSLOutArgExprClass,
     GenericSelectionExprClass,
     GNUNullExprClass,
     FunctionParmPackExprClass,
@@ -1332,13 +1338,24 @@ const StmtClass = enum(c_int) {
     SwitchStmtClass,
     DefaultStmtClass,
     CaseStmtClass,
+    SYCLKernelCallStmtClass,
     SEHTryStmtClass,
     SEHLeaveStmtClass,
     SEHFinallyStmtClass,
     SEHExceptStmtClass,
     ReturnStmtClass,
+    OpenACCWaitConstructClass,
+    OpenACCUpdateConstructClass,
+    OpenACCShutdownConstructClass,
+    OpenACCSetConstructClass,
+    OpenACCInitConstructClass,
+    OpenACCExitDataConstructClass,
+    OpenACCEnterDataConstructClass,
     OpenACCLoopConstructClass,
+    OpenACCHostDataConstructClass,
+    OpenACCDataConstructClass,
     OpenACCComputeConstructClass,
+    OpenACCCombinedConstructClass,
     ObjCForCollectionStmtClass,
     ObjCAutoreleasePoolStmtClass,
     ObjCAtTryStmtClass,
@@ -1420,6 +1437,7 @@ const StmtClass = enum(c_int) {
     OMPCancelDirectiveClass,
     OMPBarrierDirectiveClass,
     OMPAtomicDirectiveClass,
+    OMPAssumeDirectiveClass,
     OMPCanonicalLoopClass,
     NullStmtClass,
     MSDependentExistsStmtClass,
@@ -1514,6 +1532,7 @@ pub const DeclKind = enum(c_int) {
     TranslationUnit,
     TopLevelStmt,
     RequiresExprBody,
+    OutlinedFunction,
     LinkageSpec,
     ExternCContext,
     Export,
@@ -1660,6 +1679,7 @@ pub const BuiltinTypeKind = enum(c_int) {
     SveFloat32,
     SveFloat64,
     SveBFloat16,
+    SveMFloat8,
     SveInt8x2,
     SveInt16x2,
     SveInt32x2,
@@ -1672,6 +1692,7 @@ pub const BuiltinTypeKind = enum(c_int) {
     SveFloat32x2,
     SveFloat64x2,
     SveBFloat16x2,
+    SveMFloat8x2,
     SveInt8x3,
     SveInt16x3,
     SveInt32x3,
@@ -1684,6 +1705,7 @@ pub const BuiltinTypeKind = enum(c_int) {
     SveFloat32x3,
     SveFloat64x3,
     SveBFloat16x3,
+    SveMFloat8x3,
     SveInt8x4,
     SveInt16x4,
     SveInt32x4,
@@ -1696,10 +1718,12 @@ pub const BuiltinTypeKind = enum(c_int) {
     SveFloat32x4,
     SveFloat64x4,
     SveBFloat16x4,
+    SveMFloat8x4,
     SveBool,
     SveBoolx2,
     SveBoolx4,
     SveCount,
+    MFloat8,
     VectorQuad,
     VectorPair,
     RvvInt8mf8,
@@ -2027,6 +2051,8 @@ pub const BuiltinTypeKind = enum(c_int) {
     RvvBFloat16m4x2,
     WasmExternRef,
     AMDGPUBufferRsrc,
+    AMDGPUNamedWorkgroupBarrier,
+    HLSLResource,
     Void,
     Bool,
     Char_U,

src/codegen/llvm.zig

@@ -1053,7 +1053,11 @@ pub const Object = struct {
             .is_small = options.is_small,
             .time_report = options.time_report,
             .tsan = options.sanitize_thread,
-            .lto = options.lto != .none,
+            .lto = switch (options.lto) {
+                .none => .None,
+                .thin => .ThinPreLink,
+                .full => .FullPreLink,
+            },
             // https://github.com/ziglang/zig/issues/21215
             .allow_fast_isel = !comp.root_mod.resolved_target.result.cpu.arch.isMIPS(),
             .asm_filename = null,

src/codegen/llvm/bindings.zig

@@ -90,14 +90,22 @@ pub const TargetMachine = opaque {
         time_report: bool,
         tsan: bool,
         sancov: bool,
-        lto: bool,
+        lto: LtoPhase,
         allow_fast_isel: bool,
         asm_filename: ?[*:0]const u8,
         bin_filename: ?[*:0]const u8,
         llvm_ir_filename: ?[*:0]const u8,
         bitcode_filename: ?[*:0]const u8,
         coverage: Coverage,
 
+        pub const LtoPhase = enum(c_int) {
+            None,
+            ThinPreLink,
+            ThinPostLink,
+            FullPreLink,
+            FullPostLink,
+        };
+
         pub const Coverage = extern struct {
             CoverageType: Coverage.Type,
             IndirectCalls: bool,