New slice indexing pre-codegen MIR test

scottmcm · scottmcm · commit 5800dc1faa39 · 2024-04-21T11:08:36.000-07:00
diff --git a/tests/mir-opt/pre-codegen/slice_index.rs b/tests/mir-opt/pre-codegen/slice_index.rs
@@ -3,6 +3,7 @@
 // EMIT_MIR_FOR_EACH_PANIC_STRATEGY
 
 #![crate_type = "lib"]
+#![feature(slice_ptr_get)]
 
 use std::ops::Range;
 
@@ -25,3 +26,11 @@ pub fn slice_index_range(slice: &[u32], index: Range<usize>) -> &[u32] {
 pub unsafe fn slice_get_unchecked_mut_range(slice: &mut [u32], index: Range<usize>) -> &mut [u32] {
     slice.get_unchecked_mut(index)
 }
+
+// EMIT_MIR slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.mir
+pub unsafe fn slice_ptr_get_unchecked_range(
+    slice: *const [u32],
+    index: Range<usize>,
+) -> *const [u32] {
+    slice.get_unchecked(index)
+}
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir
@@ -0,0 +1,19 @@
+// MIR for `slice_ptr_get_unchecked_range` after PreCodegen
+
+fn slice_ptr_get_unchecked_range(_1: *const [u32], _2: std::ops::Range<usize>) -> *const [u32] {
+    debug slice => _1;
+    debug index => _2;
+    let mut _0: *const [u32];
+    scope 1 (inlined std::ptr::const_ptr::<impl *const [u32]>::get_unchecked::<std::ops::Range<usize>>) {
+        debug self => _1;
+        debug index => _2;
+    }
+
+    bb0: {
+        _0 = <std::ops::Range<usize> as SliceIndex<[u32]>>::get_unchecked(move _2, move _1) -> [return: bb1, unwind unreachable];
+    }
+
+    bb1: {
+        return;
+    }
+}
diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir
@@ -0,0 +1,19 @@
+// MIR for `slice_ptr_get_unchecked_range` after PreCodegen
+
+fn slice_ptr_get_unchecked_range(_1: *const [u32], _2: std::ops::Range<usize>) -> *const [u32] {
+    debug slice => _1;
+    debug index => _2;
+    let mut _0: *const [u32];
+    scope 1 (inlined std::ptr::const_ptr::<impl *const [u32]>::get_unchecked::<std::ops::Range<usize>>) {
+        debug self => _1;
+        debug index => _2;
+    }
+
+    bb0: {
+        _0 = <std::ops::Range<usize> as SliceIndex<[u32]>>::get_unchecked(move _2, move _1) -> [return: bb1, unwind continue];
+    }
+
+    bb1: {
+        return;
+    }
+}
