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cleanup: handle -Zmutable-noalias like -Zbox-noalias

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This commit is contained in:
Erik Desjardins 2023-01-04 19:24:42 -05:00
parent c7572670a1
commit d165a6d708
4 changed files with 31 additions and 28 deletions
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23
src/test/codegen/noalias-flag.rs Normal file
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@ -0,0 +1,23 @@
// compile-flags: -O -Zmutable-noalias=no
#![crate_type = "lib"]
// `-Zmutable-noalias=no` should disable noalias on mut refs...
// CHECK-LABEL: @test_mut_ref(
// CHECK-NOT: noalias
// CHECK-SAME: %x
#[no_mangle]
pub fn test_mut_ref(x: &mut i32) -> &mut i32 {
x
}
// ...but not on shared refs
// CHECK-LABEL: @test_ref(
// CHECK-SAME: noalias
// CHECK-SAME: %x
#[no_mangle]
pub fn test_ref(x: &i32) -> &i32 {
x
}