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make noalias-box-off filecheck more precise

Browse Source 
The CHECK, -NOT, -SAME pattern ensures that the `CHECK-NOT: noalias`
is limited to only one line, and won't match unrelated lines further
down in the file.

Explicit drop call added to preserve the `foo` argument name, since
names of unused arguments are not preserved.
This commit is contained in:
Erik Desjardins 2023-05-20 19:41:28 -04:00
parent 644818351b
commit c4d69b717f
1 changed files with 5 additions and 2 deletions
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7
tests/codegen/noalias-box-off.rs
View File

@ -3,6 +3,9 @@
#![crate_type = "lib"]
// CHECK-LABEL: @box_should_not_have_noalias_if_disabled(
// CHECK-NOT: noalias{{.*}}%
// CHECK-NOT: noalias
// CHECK-SAME: %foo)
#[no_mangle]
pub fn box_should_not_have_noalias_if_disabled(_b: Box<u8>) {}
pub fn box_should_not_have_noalias_if_disabled(foo: Box<u8>) {
drop(foo);
}