diff options
Diffstat (limited to 'src/Sema.zig')
| -rw-r--r-- | src/Sema.zig | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/Sema.zig b/src/Sema.zig index fc8a182508..4fefff7c26 100644 --- a/src/Sema.zig +++ b/src/Sema.zig @@ -10269,16 +10269,14 @@ fn zirShl( const val = switch (air_tag) { .shl_exact => val: { - const shifted = try lhs_val.shl(rhs_val, lhs_ty, sema.arena, target); + const shifted = try lhs_val.shlWithOverflow(rhs_val, lhs_ty, sema.arena, target); if (scalar_ty.zigTypeTag() == .ComptimeInt) { - break :val shifted; + break :val shifted.wrapped_result; } - const int_info = scalar_ty.intInfo(target); - const truncated = try shifted.intTrunc(lhs_ty, sema.arena, int_info.signedness, int_info.bits, target); - if (try sema.compare(block, src, truncated, .eq, shifted, lhs_ty)) { - break :val shifted; + if (shifted.overflowed.compareWithZero(.eq)) { + break :val shifted.wrapped_result; } - return sema.addConstUndef(lhs_ty); + return sema.fail(block, src, "operation caused overflow", .{}); }, .shl_sat => if (scalar_ty.zigTypeTag() == .ComptimeInt) |