spirv: super basic composite int support

Author: alichraghi

src/Zcu.zig

@@ -3539,7 +3539,7 @@ pub fn errorSetBits(zcu: *const Zcu) u16 {
     const target = zcu.getTarget();
 
     if (zcu.error_limit == 0) return 0;
-    if (target.cpu.arch == .spirv64) {
+    if (target.cpu.arch.isSpirV()) {
         if (!std.Target.spirv.featureSetHas(target.cpu.features, .storage_push_constant16)) {
             return 32;
         }

src/codegen/spirv.zig

@@ -369,8 +369,11 @@ pub fn finalize(self: *Module, a: Allocator) ![]Word {
     // Emit memory model
     const addressing_model: spec.AddressingModel = blk: {
         if (self.hasFeature(.shader)) {
-            assert(self.target.cpu.arch == .spirv64);
-            if (self.hasFeature(.physical_storage_buffer)) break :blk .PhysicalStorageBuffer64;
+            if (self.hasFeature(.physical_storage_buffer)) {
+                assert(self.target.cpu.arch == .spirv64);
+                break :blk .PhysicalStorageBuffer64;
+            }
+            assert(self.target.cpu.arch == .spirv);
             break :blk .Logical;
         }
 

src/codegen/spirv/Module.zig

@@ -809,7 +809,8 @@ pub fn zigBackend(target: std.Target, use_llvm: bool) std.builtin.CompilerBacken
         .aarch64, .aarch64_be => .stage2_aarch64,
         .riscv64 => .stage2_riscv64,
         .sparc64 => .stage2_sparc64,
-        .spirv64 => .stage2_spirv64,
+        .spirv32 => if (target.os.tag == .opencl) .stage2_spirv64 else .other,
+        .spirv, .spirv64 => .stage2_spirv64,
         else => .other,
     };
 }

src/target.zig

@@ -117,9 +117,9 @@ export fn testMutablePointer() void {
 // tmp.zig:37:38: note: imported here
 // neg_inf.zon:1:1: error: expected type '?u8'
 // tmp.zig:57:28: note: imported here
-// neg_inf.zon:1:1: error: expected type 'tmp.testNonExhaustiveEnum__enum_492'
+// neg_inf.zon:1:1: error: expected type 'tmp.testNonExhaustiveEnum__enum_494'
 // tmp.zig:62:39: note: imported here
-// neg_inf.zon:1:1: error: expected type 'tmp.testUntaggedUnion__union_494'
+// neg_inf.zon:1:1: error: expected type 'tmp.testUntaggedUnion__union_496'
 // tmp.zig:67:44: note: imported here
-// neg_inf.zon:1:1: error: expected type 'tmp.testTaggedUnionVoid__union_497'
+// neg_inf.zon:1:1: error: expected type 'tmp.testTaggedUnionVoid__union_499'
 // tmp.zig:72:50: note: imported here

test/cases/compile_errors/@import_zon_bad_type.zig

@@ -15,6 +15,6 @@ pub export fn entry() void {
 // error
 //
 // :7:25: error: unable to resolve comptime value
-// :7:25: note: initializer of comptime-only struct 'tmp.S.foo__anon_466.C' must be comptime-known
+// :7:25: note: initializer of comptime-only struct 'tmp.S.foo__anon_468.C' must be comptime-known
 // :4:16: note: struct requires comptime because of this field
 // :4:16: note: types are not available at runtime

test/cases/compile_errors/anytype_param_requires_comptime.zig

@@ -16,5 +16,5 @@ pub export fn entry2() void {
 //
 // :3:6: error: no field or member function named 'copy' in '[]const u8'
 // :9:8: error: no field or member function named 'bar' in '@TypeOf(.{})'
-// :12:18: error: no field or member function named 'bar' in 'tmp.entry2__struct_470'
+// :12:18: error: no field or member function named 'bar' in 'tmp.entry2__struct_472'
 // :12:6: note: struct declared here

test/cases/compile_errors/bogus_method_call_on_slice.zig

@@ -6,6 +6,6 @@ export fn foo() void {
 
 // error
 //
-// :4:16: error: expected type 'tmp.T', found 'tmp.foo__struct_459'
+// :4:16: error: expected type 'tmp.T', found 'tmp.foo__struct_461'
 // :3:16: note: struct declared here
 // :1:11: note: struct declared here

test/cases/compile_errors/coerce_anon_struct.zig

@@ -44,9 +44,9 @@ comptime {
 //
 // :5:23: error: expected error union type, found 'comptime_int'
 // :10:23: error: expected error union type, found '@TypeOf(.{})'
-// :15:23: error: expected error union type, found 'tmp.test2__struct_496'
+// :15:23: error: expected error union type, found 'tmp.test2__struct_498'
 // :15:23: note: struct declared here
-// :20:27: error: expected error union type, found 'tmp.test3__struct_498'
+// :20:27: error: expected error union type, found 'tmp.test3__struct_500'
 // :20:27: note: struct declared here
 // :25:23: error: expected error union type, found 'struct { comptime *const [5:0]u8 = "hello" }'
 // :31:13: error: expected error union type, found 'u32'