Add unary and binary tests for incr-comp

src/test/incremental/hashes/unary_and_binary_exprs.rs

@@ -0,0 +1,497 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+
+// This test case tests the incremental compilation hash (ICH) implementation
+// for struct definitions.
+
+// The general pattern followed here is: Change one thing between rev1 and rev2
+// and make sure that the hash has changed, then change nothing between rev2 and
+// rev3 and make sure that the hash has not changed.
+
+// must-compile-successfully
+// revisions: cfail1 cfail2 cfail3
+// compile-flags: -Z query-dep-graph -Z force-overflow-checks=off
+
+#![allow(warnings)]
+#![feature(rustc_attrs)]
+#![crate_type="rlib"]
+
+
+// Change constant operand of negation -----------------------------------------
+#[cfg(cfail1)]
+pub fn const_negation() -> i32 {
+    -10
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn const_negation() -> i32 {
+    -1
+}
+
+
+// Change constant operand of bitwise not --------------------------------------
+#[cfg(cfail1)]
+pub fn const_bitwise_not() -> i32 {
+    !100
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn const_bitwise_not() -> i32 {
+    !99
+}
+
+
+// Change variable operand of negation -----------------------------------------
+#[cfg(cfail1)]
+pub fn var_negation(x: i32) -> i32 {
+    -x
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn var_negation(y: i32) -> i32 {
+    -y
+}
+
+
+// Change variable operand of bitwise not --------------------------------------
+#[cfg(cfail1)]
+pub fn var_bitwise_not(x: i32) -> i32 {
+    !x
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn var_bitwise_not(y: i32) -> i32 {
+    !y
+}
+
+
+// Change variable operand of deref --------------------------------------------
+#[cfg(cfail1)]
+pub fn var_deref(x: &i32) -> i32 {
+    *x
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn var_deref(y: &i32) -> i32 {
+    *y
+}
+
+
+// Change first constant operand of addition -----------------------------------
+#[cfg(cfail1)]
+pub fn first_const_add() -> i32 {
+    1 + 3
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn first_const_add() -> i32 {
+    2 + 3
+}
+
+
+// Change second constant operand of addition -----------------------------------
+#[cfg(cfail1)]
+pub fn second_const_add() -> i32 {
+    1 + 2
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn second_const_add() -> i32 {
+    1 + 3
+}
+
+
+// Change first variable operand of addition -----------------------------------
+#[cfg(cfail1)]
+pub fn first_var_add(a: i32) -> i32 {
+    a + 2
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn first_var_add(b: i32) -> i32 {
+    b + 3
+}
+
+
+// Change second variable operand of addition ----------------------------------
+#[cfg(cfail1)]
+pub fn second_var_add(a: i32) -> i32 {
+    1 + a
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn second_var_add(b: i32) -> i32 {
+    1 + b
+}
+
+
+// Change operator from + to - -------------------------------------------------
+#[cfg(cfail1)]
+pub fn plus_to_minus(a: i32) -> i32 {
+    1 + a
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn plus_to_minus(a: i32) -> i32 {
+    1 - a
+}
+
+
+// Change operator from + to * -------------------------------------------------
+#[cfg(cfail1)]
+pub fn plus_to_mult(a: i32) -> i32 {
+    1 + a
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn plus_to_mult(a: i32) -> i32 {
+    1 * a
+}
+
+
+// Change operator from + to / -------------------------------------------------
+#[cfg(cfail1)]
+pub fn plus_to_div(a: i32) -> i32 {
+    1 + a
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn plus_to_div(a: i32) -> i32 {
+    1 / a
+}
+
+
+// Change operator from + to % -------------------------------------------------
+#[cfg(cfail1)]
+pub fn plus_to_mod(a: i32) -> i32 {
+    1 + a
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn plus_to_mod(a: i32) -> i32 {
+    1 % a
+}
+
+
+// Change operator from && to || -----------------------------------------------
+#[cfg(cfail1)]
+pub fn and_to_or(a: bool, b: bool) -> bool {
+    a && b
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn and_to_or(a: bool, b: bool) -> bool {
+    a || b
+}
+
+
+
+// Change operator from & to | -------------------------------------------------
+#[cfg(cfail1)]
+pub fn bitwise_and_to_bitwise_or(a: i32) -> i32 {
+    1 & a
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn bitwise_and_to_bitwise_or(a: i32) -> i32 {
+    1 | a
+}
+
+
+
+// Change operator from & to ^ -------------------------------------------------
+#[cfg(cfail1)]
+pub fn bitwise_and_to_bitwise_xor(a: i32) -> i32 {
+    1 & a
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn bitwise_and_to_bitwise_xor(a: i32) -> i32 {
+    1 ^ a
+}
+
+
+
+// Change operator from & to << ------------------------------------------------
+#[cfg(cfail1)]
+pub fn bitwise_and_to_lshift(a: i32) -> i32 {
+    a & 1
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn bitwise_and_to_lshift(a: i32) -> i32 {
+    a << 1
+}
+
+
+
+// Change operator from & to >> ------------------------------------------------
+#[cfg(cfail1)]
+pub fn bitwise_and_to_rshift(a: i32) -> i32 {
+    a & 1
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn bitwise_and_to_rshift(a: i32) -> i32 {
+    a >> 1
+}
+
+
+
+// Change operator from == to != -----------------------------------------------
+#[cfg(cfail1)]
+pub fn eq_to_uneq(a: i32) -> bool {
+    a == 1
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn eq_to_uneq(a: i32) -> bool {
+    a != 1
+}
+
+
+
+// Change operator from == to < ------------------------------------------------
+#[cfg(cfail1)]
+pub fn eq_to_lt(a: i32) -> bool {
+    a == 1
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn eq_to_lt(a: i32) -> bool {
+    a < 1
+}
+
+
+
+// Change operator from == to > ------------------------------------------------
+#[cfg(cfail1)]
+pub fn eq_to_gt(a: i32) -> bool {
+    a == 1
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn eq_to_gt(a: i32) -> bool {
+    a > 1
+}
+
+
+
+// Change operator from == to <= -----------------------------------------------
+#[cfg(cfail1)]
+pub fn eq_to_le(a: i32) -> bool {
+    a == 1
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn eq_to_le(a: i32) -> bool {
+    a <= 1
+}
+
+
+
+// Change operator from == to >= -----------------------------------------------
+#[cfg(cfail1)]
+pub fn eq_to_ge(a: i32) -> bool {
+    a == 1
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn eq_to_ge(a: i32) -> bool {
+    a >= 1
+}
+
+
+
+// Change type in cast expression ----------------------------------------------
+#[cfg(cfail1)]
+pub fn type_cast(a: u8) -> u64 {
+    let b = a as i32;
+    let c = b as u64;
+    c
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn type_cast(a: u8) -> u64 {
+    let b = a as u32;
+    let c = b as u64;
+    c
+}
+
+
+
+// Change value in cast expression ---------------------------------------------
+#[cfg(cfail1)]
+pub fn value_cast(a: u32) -> i32 {
+    1 as i32
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn value_cast(a: u32) -> i32 {
+    2 as i32
+}
+
+
+
+// Change l-value in assignment ------------------------------------------------
+#[cfg(cfail1)]
+pub fn lvalue() -> i32 {
+    let x = 10;
+    x
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn lvalue() -> i32 {
+    let y = 10;
+    y
+}
+
+
+
+// Change r-value in assignment ------------------------------------------------
+#[cfg(cfail1)]
+pub fn rvalue() -> i32 {
+    let x = 10;
+    x
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn rvalue() -> i32 {
+    let x = 11;
+    x
+}
+
+
+
+// Change index into slice -----------------------------------------------------
+#[cfg(cfail1)]
+pub fn index_to_slice() -> i32 {
+    let xs = [1,2,3,4,5];
+    xs[1]
+}
+
+#[cfg(not(cfail1))]
+#[rustc_dirty(label="Hir", cfg="cfails2")]
+#[rustc_clean(label="Hir", cfg="cfails3")]
+#[rustc_metadata_dirty(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+pub fn index_to_slice() -> i32 {
+    let xs = &[1,2,3,4,5];
+    xs[1]
+}