authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2023-08-22 15:59:52-07:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2023-08-22 19:02:58-07:00
log6780a6bbfa7bbd44036de3b1338011d1e5bb43f3
tree905d4fce49b0f8d00ca90c57e3f504d9d8a57f38
parentada0010471163a3accca8976185fbb6bb59c914f

wasm backend: delete dead code in lowerConstant

1 files changed, 0 insertions(+), 45 deletions(-)

src/arch/wasm/CodeGen.zig-45
...@@ -3067,51 +3067,6 @@ fn lowerConstant(func: *CodeGen, arg_val: Value, ty: Type) InnerError!WValue {...@@ -3067,51 +3067,6 @@ fn lowerConstant(func: *CodeGen, arg_val: Value, ty: Type) InnerError!WValue {
3067 }3067 }
3068 if (val.isUndefDeep(mod)) return func.emitUndefined(ty);3068 if (val.isUndefDeep(mod)) return func.emitUndefined(ty);
30693069
3070 if (val.ip_index == .none) switch (ty.zigTypeTag(mod)) {
3071 .Array => |zig_type| return func.fail("Wasm TODO: LowerConstant for zigTypeTag {}", .{zig_type}),
3072 .Struct => {
3073 const struct_obj = mod.typeToStruct(ty).?;
3074 assert(struct_obj.layout == .Packed);
3075 var buf: [8]u8 = .{0} ** 8; // zero the buffer so we do not read 0xaa as integer
3076 val.writeToPackedMemory(ty, func.bin_file.base.options.module.?, &buf, 0) catch unreachable;
3077 const int_val = try mod.intValue(
3078 struct_obj.backing_int_ty,
3079 std.mem.readIntLittle(u64, &buf),
3080 );
3081 return func.lowerConstant(int_val, struct_obj.backing_int_ty);
3082 },
3083 .Vector => {
3084 assert(determineSimdStoreStrategy(ty, mod) == .direct);
3085 var buf: [16]u8 = undefined;
3086 val.writeToMemory(ty, mod, &buf) catch unreachable;
3087 return func.storeSimdImmd(buf);
3088 },
3089 .Frame,
3090 .AnyFrame,
3091 => return func.fail("Wasm TODO: LowerConstant for type {}", .{ty.fmt(mod)}),
3092 .Float,
3093 .Union,
3094 .Optional,
3095 .ErrorUnion,
3096 .ErrorSet,
3097 .Int,
3098 .Enum,
3099 .Bool,
3100 .Pointer,
3101 => unreachable, // handled below
3102 .Type,
3103 .Void,
3104 .NoReturn,
3105 .ComptimeFloat,
3106 .ComptimeInt,
3107 .Undefined,
3108 .Null,
3109 .Opaque,
3110 .EnumLiteral,
3111 .Fn,
3112 => unreachable, // comptime-only types
3113 };
3114
3115 switch (ip.indexToKey(val.ip_index)) {3070 switch (ip.indexToKey(val.ip_index)) {
3116 .int_type,3071 .int_type,
3117 .ptr_type,3072 .ptr_type,