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-rw-r--r--src/test/mir-opt/lower_intrinsics.rs54
1 files changed, 25 insertions, 29 deletions
diff --git a/src/test/mir-opt/lower_intrinsics.rs b/src/test/mir-opt/lower_intrinsics.rs
index eab51b65f..66dae0e46 100644
--- a/src/test/mir-opt/lower_intrinsics.rs
+++ b/src/test/mir-opt/lower_intrinsics.rs
@@ -1,5 +1,7 @@
-// compile-flags: -Cpanic=abort
-#![feature(core_intrinsics)]
+// unit-test: LowerIntrinsics
+// ignore-wasm32 compiled with panic=abort by default
+
+#![feature(core_intrinsics, intrinsics)]
#![crate_type = "lib"]
// EMIT_MIR lower_intrinsics.wrapping.LowerIntrinsics.diff
@@ -29,33 +31,6 @@ pub fn unreachable() -> ! {
unsafe { core::intrinsics::unreachable() };
}
-// EMIT_MIR lower_intrinsics.f_unit.PreCodegen.before.mir
-pub fn f_unit() {
- f_dispatch(());
-}
-
-
-// EMIT_MIR lower_intrinsics.f_u64.PreCodegen.before.mir
-pub fn f_u64() {
- f_dispatch(0u64);
-}
-
-#[inline(always)]
-pub fn f_dispatch<T>(t: T) {
- if std::mem::size_of::<T>() == 0 {
- f_zst(t);
- } else {
- f_non_zst(t);
- }
-}
-
-#[inline(never)]
-pub fn f_zst<T>(_t: T) {
-}
-
-#[inline(never)]
-pub fn f_non_zst<T>(_t: T) {}
-
// EMIT_MIR lower_intrinsics.non_const.LowerIntrinsics.diff
pub fn non_const<T>() -> usize {
// Check that lowering works with non-const operand as a func.
@@ -76,3 +51,24 @@ pub fn discriminant<T>(t: T) {
core::intrinsics::discriminant_value(&());
core::intrinsics::discriminant_value(&E::B);
}
+
+extern "rust-intrinsic" {
+ // Cannot use `std::intrinsics::copy_nonoverlapping` as that is a wrapper function
+ fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
+}
+
+// EMIT_MIR lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff
+pub fn f_copy_nonoverlapping() {
+ let src = ();
+ let mut dst = ();
+ unsafe {
+ copy_nonoverlapping(&src as *const _ as *const i32, &mut dst as *mut _ as *mut i32, 0);
+ }
+}
+
+// EMIT_MIR lower_intrinsics.assume.LowerIntrinsics.diff
+pub fn assume() {
+ unsafe {
+ std::intrinsics::assume(true);
+ }
+}