diff options
Diffstat (limited to 'src/codegen')
| -rw-r--r-- | src/codegen/spirv.zig | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/codegen/spirv.zig b/src/codegen/spirv.zig index 87b72c6726..7c12335575 100644 --- a/src/codegen/spirv.zig +++ b/src/codegen/spirv.zig @@ -2717,19 +2717,29 @@ pub const DeclGen = struct { const result_id = self.spv.allocId(); const callee_id = try self.resolve(pl_op.operand); - try self.func.body.emitRaw(self.spv.gpa, .OpFunctionCall, 3 + args.len); - self.func.body.writeOperand(spec.IdResultType, result_type_id); - self.func.body.writeOperand(spec.IdResult, result_id); - self.func.body.writeOperand(spec.IdRef, callee_id); + const params = try self.gpa.alloc(spec.IdRef, args.len); + defer self.gpa.free(params); + var n_params: usize = 0; for (args) |arg| { + // Note: resolve() might emit instructions, so we need to call it + // before starting to emit OpFunctionCall instructions. Hence the + // temporary params buffer. const arg_id = try self.resolve(arg); const arg_ty = self.air.typeOf(arg); if (!arg_ty.hasRuntimeBitsIgnoreComptime()) continue; - self.func.body.writeOperand(spec.IdRef, arg_id); + params[n_params] = arg_id; + n_params += 1; } + try self.func.body.emit(self.spv.gpa, .OpFunctionCall, .{ + .id_result_type = result_type_id, + .id_result = result_id, + .function = callee_id, + .id_ref_3 = params[0..n_params], + }); + if (return_type.isNoReturn()) { try self.func.body.emit(self.spv.gpa, .OpUnreachable, {}); } |