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41 lines
1.1 KiB
Rust
41 lines
1.1 KiB
Rust
//@ test-mir-pass: InstSimplify
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#![crate_type = "lib"]
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#![feature(raw_ref_op)]
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// For each of these, only 2 of the 6 should simplify,
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// as the others have the wrong types.
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// EMIT_MIR ref_of_deref.references.InstSimplify.diff
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// CHECK-LABEL: references
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pub fn references(const_ref: &i32, mut_ref: &mut [i32]) {
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// CHECK: _3 = _1;
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let _a = &*const_ref;
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// CHECK: _4 = &(*_2);
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let _b = &*mut_ref;
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// CHECK: _5 = _2;
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let _c = &mut *mut_ref;
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// CHECK: _6 = &raw const (*_1);
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let _d = &raw const *const_ref;
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// CHECK: _7 = &raw const (*_2);
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let _e = &raw const *mut_ref;
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// CHECK: _8 = &raw mut (*_2);
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let _f = &raw mut *mut_ref;
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}
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// EMIT_MIR ref_of_deref.pointers.InstSimplify.diff
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// CHECK-LABEL: pointers
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pub unsafe fn pointers(const_ptr: *const [i32], mut_ptr: *mut i32) {
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// CHECK: _3 = &(*_1);
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let _a = &*const_ptr;
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// CHECK: _4 = &(*_2);
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let _b = &*mut_ptr;
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// CHECK: _5 = &mut (*_2);
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let _c = &mut *mut_ptr;
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// CHECK: _6 = _1;
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let _d = &raw const *const_ptr;
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// CHECK: _7 = &raw const (*_2);
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let _e = &raw const *mut_ptr;
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// CHECK: _8 = _2;
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let _f = &raw mut *mut_ptr;
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}
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