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| author | Veikka Tuominen <git@vexu.eu> | 2022-07-20 16:13:36 +0300 |
|---|---|---|
| committer | Veikka Tuominen <git@vexu.eu> | 2022-07-20 17:07:12 +0300 |
| commit | d41dd499a9fd42be3a30018dccb6a9a9fbf43f3d (patch) | |
| tree | b87a16047c8c386c3458ed12c37ea8c3dba73570 /src | |
| parent | de62bd06472e5603fd2afb6f50d688d54f4098b4 (diff) | |
| download | zig-d41dd499a9fd42be3a30018dccb6a9a9fbf43f3d.tar.gz zig-d41dd499a9fd42be3a30018dccb6a9a9fbf43f3d.zip | |
stage2 llvm: fix handling of pointer fields in packed structs
Diffstat (limited to 'src')
| -rw-r--r-- | src/codegen/llvm.zig | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig index 53c97c880f..9dc20755eb 100644 --- a/src/codegen/llvm.zig +++ b/src/codegen/llvm.zig @@ -5149,6 +5149,11 @@ pub const FuncGen = struct { const same_size_int = self.context.intType(elem_bits); const truncated_int = self.builder.buildTrunc(shifted_value, same_size_int, ""); return self.builder.buildBitCast(truncated_int, elem_llvm_ty, ""); + } else if (field_ty.zigTypeTag() == .Pointer) { + const elem_bits = @intCast(c_uint, field_ty.bitSize(target)); + const same_size_int = self.context.intType(elem_bits); + const truncated_int = self.builder.buildTrunc(shifted_value, same_size_int, ""); + return self.builder.buildIntToPtr(truncated_int, elem_llvm_ty, ""); } return self.builder.buildTrunc(shifted_value, elem_llvm_ty, ""); }, @@ -7999,7 +8004,10 @@ pub const FuncGen = struct { const non_int_val = try self.resolveInst(elem); const ty_bit_size = @intCast(u16, field.ty.bitSize(target)); const small_int_ty = self.dg.context.intType(ty_bit_size); - const small_int_val = self.builder.buildBitCast(non_int_val, small_int_ty, ""); + const small_int_val = if (field.ty.zigTypeTag() == .Pointer) + self.builder.buildPtrToInt(non_int_val, small_int_ty, "") + else + self.builder.buildBitCast(non_int_val, small_int_ty, ""); const shift_rhs = int_llvm_ty.constInt(running_bits, .False); // If the field is as large as the entire packed struct, this // zext would go from, e.g. i16 to i16. This is legal with |