cbe: add error comparison support

2021-03-01 11:25:50 -05:00
parent 0a7be71bc2
commit 6467ef6d3b
4 changed files with 41 additions and 22 deletions
--- a/src/codegen.zig
+++ b/src/codegen.zig
@@ -2237,6 +2237,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type {
            // No side effects, so if it's unreferenced, do nothing.
            if (inst.base.isUnused())
                return MCValue{ .dead = {} };
+            if (inst.lhs.ty.zigTypeTag() == .ErrorSet or inst.rhs.ty.zigTypeTag() == .ErrorSet)
+                return self.fail(inst.base.src, "TODO implement cmp for errors", .{});
            switch (arch) {
                .x86_64 => {
                    try self.code.ensureCapacity(self.code.items.len + 8);