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Add FileCheck for if.rs, inherit_overflow.rs, issue_81605.rs

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This commit is contained in:
sfzhu93 2024-01-08 16:58:58 -08:00
parent 33e5d851a9
commit 24aefa0e5d
3 changed files with 25 additions and 3 deletions
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18
tests/mir-opt/dataflow-const-prop/if.rs
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@ -1,12 +1,28 @@
// skip-filecheck
// unit-test: DataflowConstProp
// EMIT_MIR if.main.DataflowConstProp.diff
// CHECK-LABEL: fn main(
fn main() {
// CHECK: debug b => [[b:_.*]];
// CHECK: debug c => [[c:_.*]];
// CHECK: debug d => [[d:_.*]];
// CHECK: debug e => [[e:_.*]];
let a = 1;
// CHECK: switchInt(const true) -> [0: {{bb[0-9]+}}, otherwise: [[bb_first_true:bb[0-9]+]]];
// CHECK: [[bb_first_true]]: {
// CHECK: [[b]] = const 2_i32;
let b = if a == 1 { 2 } else { 3 };
// CHECK: [[c]] = const 3_i32;
let c = b + 1;
// CHECK: switchInt(const true) -> [0: {{bb[0-9]+}}, otherwise: [[bb_second_true:bb[0-9]+]]];
// CHECK: [[bb_second_true]]: {
// CHECK: [[d]] = const 1_i32;
let d = if a == 1 { a } else { a + 1 };
// CHECK: [[e]] = const 2_i32;
let e = d + 1;
}

5
tests/mir-opt/dataflow-const-prop/inherit_overflow.rs
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@ -1,11 +1,14 @@
// skip-filecheck
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
// unit-test: DataflowConstProp
// compile-flags: -Zmir-enable-passes=+Inline
// EMIT_MIR inherit_overflow.main.DataflowConstProp.diff
// CHECK-LABEL: fn main(
fn main() {
// After inlining, this will contain a `CheckedBinaryOp`.
// Propagating the overflow is ok as codegen will just skip emitting the panic.
// CHECK: {{_.*}} = const (0_u8, true);
// CHECK-LABEL: assert(!const true,
let _ = <u8 as std::ops::Add>::add(255, 1);
}

5
tests/mir-opt/dataflow-const-prop/issue_81605.rs
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@ -1,9 +1,12 @@
// skip-filecheck
// unit-test: DataflowConstProp
// EMIT_MIR issue_81605.f.DataflowConstProp.diff
// CHECK-LABEL: fn f
fn f() -> usize {
// CHECK: switchInt(const true) -> [0: {{bb[0-9]+}}, otherwise: {{bb[0-9]+}}];
1 + if true { 1 } else { 2 }
// CHECK: _0 = const 2_usize;
}
fn main() {