From 175463d75dbde1e8e4c5a55159ab4e9446fd211c Mon Sep 17 00:00:00 2001
From: Isaac Freund <isaac.freund@coil.com>
Date: Tue, 7 Dec 2021 19:34:44 +0100
Subject: AstGen: implement @prefetch() builtin

---
 src/Sema.zig | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/Sema.zig')

diff --git a/src/Sema.zig b/src/Sema.zig
index 89c6de2e0b..12578c56c5 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -1042,6 +1042,7 @@ fn zirExtended(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Ai
         .c_define           => return sema.zirCDefine(           block, extended),
         .wasm_memory_size   => return sema.zirWasmMemorySize(    block, extended),
         .wasm_memory_grow   => return sema.zirWasmMemoryGrow(    block, extended),
+        .prefetch           => return sema.zirPrefetch(          block, extended),
         // zig fmt: on
     }
 }
@@ -11104,6 +11105,16 @@ fn zirWasmMemoryGrow(
     return sema.fail(block, src, "TODO: implement Sema.zirWasmMemoryGrow", .{});
 }
 
+fn zirPrefetch(
+    sema: *Sema,
+    block: *Block,
+    extended: Zir.Inst.Extended.InstData,
+) CompileError!Air.Inst.Ref {
+    const extra = sema.code.extraData(Zir.Inst.BinNode, extended.operand).data;
+    const src: LazySrcLoc = .{ .node_offset = extra.node };
+    return sema.fail(block, src, "TODO: implement Sema.zirPrefetch", .{});
+}
+
 fn zirBuiltinExtern(
     sema: *Sema,
     block: *Block,
@@ -14231,6 +14242,7 @@ fn resolveTypeFields(sema: *Sema, block: *Block, src: LazySrcLoc, ty: Type) Comp
         .float_mode => return sema.resolveBuiltinTypeFields(block, src, "FloatMode"),
         .reduce_op => return sema.resolveBuiltinTypeFields(block, src, "ReduceOp"),
         .call_options => return sema.resolveBuiltinTypeFields(block, src, "CallOptions"),
+        .prefetch_options => return sema.resolveBuiltinTypeFields(block, src, "PrefetchOptions"),
 
         .@"union", .union_tagged => {
             const union_obj = ty.cast(Type.Payload.Union).?.data;
@@ -14819,6 +14831,7 @@ fn typeHasOnePossibleValue(
         .float_mode,
         .reduce_op,
         .call_options,
+        .prefetch_options,
         .export_options,
         .extern_options,
         .type_info,
@@ -15032,6 +15045,7 @@ pub fn addType(sema: *Sema, ty: Type) !Air.Inst.Ref {
         .float_mode => return .float_mode_type,
         .reduce_op => return .reduce_op_type,
         .call_options => return .call_options_type,
+        .prefetch_options => return .prefetch_options_type,
         .export_options => return .export_options_type,
         .extern_options => return .extern_options_type,
         .type_info => return .type_info_type,
-- 
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