stage2 Sema: implement @intToPtr (#9144)

Co-authored-by: Veikka Tuominen <git@vexu.eu>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/value.zig b/src/value.zig
index c358975667..696f3d3d88 100644
--- a/src/value.zig
+++ b/src/value.zig
@@ -979,6 +979,26 @@ pub const Value = extern union {
         };
     }
 
+    /// Asserts the value is numeric
+    pub fn isZero(self: Value) bool {
+        return switch (self.tag()) {
+            .zero => true,
+            .one => false,
+
+            .int_u64 => self.castTag(.int_u64).?.data == 0,
+            .int_i64 => self.castTag(.int_i64).?.data == 0,
+
+            .float_16 => self.castTag(.float_16).?.data == 0,
+            .float_32 => self.castTag(.float_32).?.data == 0,
+            .float_64 => self.castTag(.float_64).?.data == 0,
+            .float_128 => self.castTag(.float_128).?.data == 0,
+
+            .int_big_positive => self.castTag(.int_big_positive).?.asBigInt().eqZero(),
+            .int_big_negative => self.castTag(.int_big_negative).?.asBigInt().eqZero(),
+            else => unreachable,
+        };
+    }
+
     pub fn orderAgainstZero(lhs: Value) std.math.Order {
         return switch (lhs.tag()) {
             .zero,