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12 changes: 11 additions & 1 deletion tests/mir-opt/dataflow-const-prop/array_index.rs
Original file line number Diff line number Diff line change
@@ -1,9 +1,19 @@
// skip-filecheck
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
// unit-test: DataflowConstProp
// EMIT_MIR_FOR_EACH_BIT_WIDTH

// EMIT_MIR array_index.main.DataflowConstProp.diff

// CHECK-LABEL: fn main() -> () {
fn main() {
// CHECK: let mut [[array_lit:_.*]]: [u32; 4];
// CHECK: debug x => [[x:_.*]];

let x: u32 = [0, 1, 2, 3][2];
// CHECK: bb{{[0-9]+}}: {
// CHECK: [[array_lit]] = [const 0_u32, const 1_u32, const 2_u32, const 3_u32];
// CHECK: [[index:_.*]] = const 2_usize;
// CHECK: bb{{[0-9]+}}: {
// CHECK-NOT: [[x]] = [[array_lit]][[[index]]];
// CHECK: [[x]] = [[array_lit]][2 of 3];
}
5 changes: 4 additions & 1 deletion tests/mir-opt/dataflow-const-prop/boolean_identities.rs
Original file line number Diff line number Diff line change
@@ -1,11 +1,14 @@
// skip-filecheck
// unit-test: DataflowConstProp

// EMIT_MIR boolean_identities.test.DataflowConstProp.diff

// CHECK-LABEL: fn test(
pub fn test(x: bool, y: bool) -> bool {
(y | true) & (x & false)
// CHECK: _0 = const false;
}

// CHECK-LABEL: fn main(
fn main() {
test(true, false);
}
8 changes: 7 additions & 1 deletion tests/mir-opt/dataflow-const-prop/cast.rs
Original file line number Diff line number Diff line change
@@ -1,8 +1,14 @@
// skip-filecheck
// unit-test: DataflowConstProp

// EMIT_MIR cast.main.DataflowConstProp.diff

// CHECK-LABEL: fn main(
fn main() {
// CHECK: debug a => [[a:_.*]];
// CHECK: debug b => [[b:_.*]];

// CHECK: [[a]] = const 257_i32;
let a = 257;
// CHECK: [[b]] = const 2_u8;
let b = a as u8 + 1;
}