mirror of https://github.com/rust-lang/rust
51 lines
2.0 KiB
Rust
51 lines
2.0 KiB
Rust
//@ test-mir-pass: InstSimplify-after-simplifycfg
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#![crate_type = "lib"]
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#![feature(core_intrinsics)]
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// All these assertions pass, so all the intrinsic calls should be deleted.
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// EMIT_MIR intrinsic_asserts.removable.InstSimplify-after-simplifycfg.diff
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pub fn removable() {
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// CHECK-LABEL: fn removable(
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// CHECK-NOT: assert_inhabited
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// CHECK-NOT: assert_zero_valid
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// CHECK-NOT: assert_mem_uninitialized_valid
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core::intrinsics::assert_inhabited::<()>();
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core::intrinsics::assert_zero_valid::<u8>();
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core::intrinsics::assert_mem_uninitialized_valid::<u8>();
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}
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enum Never {}
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// These assertions all diverge, so their target blocks should become None.
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// EMIT_MIR intrinsic_asserts.panics.InstSimplify-after-simplifycfg.diff
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pub fn panics() {
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// CHECK-LABEL: fn panics(
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// CHECK: assert_inhabited::<Never>() -> unwind
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// CHECK: assert_zero_valid::<&u8>() -> unwind
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// CHECK: assert_mem_uninitialized_valid::<&u8>() -> unwind
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core::intrinsics::assert_inhabited::<Never>();
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core::intrinsics::assert_zero_valid::<&u8>();
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core::intrinsics::assert_mem_uninitialized_valid::<&u8>();
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}
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// Whether or not these asserts pass isn't known, so they shouldn't be modified.
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// EMIT_MIR intrinsic_asserts.generic.InstSimplify-after-simplifycfg.diff
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pub fn generic<T>() {
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// CHECK-LABEL: fn generic(
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// CHECK: assert_inhabited::<T>() -> [return:
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// CHECK: assert_zero_valid::<T>() -> [return:
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// CHECK: assert_mem_uninitialized_valid::<T>() -> [return:
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core::intrinsics::assert_inhabited::<T>();
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core::intrinsics::assert_zero_valid::<T>();
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core::intrinsics::assert_mem_uninitialized_valid::<T>();
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}
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// Whether or not these asserts pass isn't known, so they shouldn't be modified.
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// EMIT_MIR intrinsic_asserts.generic_ref.InstSimplify-after-simplifycfg.diff
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pub fn generic_ref<T>() {
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// CHECK-LABEL: fn generic_ref(
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// CHECK: assert_mem_uninitialized_valid::<&T>() -> [return:
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core::intrinsics::assert_mem_uninitialized_valid::<&T>();
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}
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