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Update test after new mangling scheme, make test more robust

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This commit is contained in:
Manuel Drehwald 2026-01-23 20:37:58 -08:00
parent c0c6e2166d
commit d7877615b4
1 changed files with 4 additions and 4 deletions
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8
tests/codegen-llvm/autodiff/identical_fnc.rs
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@ -8,7 +8,7 @@
// merged placeholder function anymore, and compilation would fail. We prevent this by disabling
// LLVM's merge_function pass before AD. Here we implicetely test that our solution keeps working.
// We also explicetly test that we keep running merge_function after AD, by checking for two
// identical function calls in the LLVM-IR, while having two different calls in the Rust code.
// identical function calls in the LLVM-IR, despite having two different calls in the Rust code.
#![feature(autodiff)]
use std::autodiff::autodiff_reverse;
@ -27,14 +27,14 @@ fn square2(x: &f64) -> f64 {
// CHECK:; identical_fnc::main
// CHECK-NEXT:; Function Attrs:
// CHECK-NEXT:define internal void @_ZN13identical_fnc4main17h6009e4f751bf9407E()
// CHECK-NEXT:define internal void
// CHECK-NEXT:start:
// CHECK-NOT:br
// CHECK-NOT:ret
// CHECK:; call identical_fnc::d_square
// CHECK-NEXT:call fastcc void @_ZN13identical_fnc8d_square[[HASH:.+]](double %x.val, ptr noalias noundef align 8 dereferenceable(8) %dx1)
// CHECK-NEXT:call fastcc void @[[HASH:.+]](double %x.val, ptr noalias noundef align 8 dereferenceable(8) %dx1)
// CHECK:; call identical_fnc::d_square
// CHECK-NEXT:call fastcc void @_ZN13identical_fnc8d_square[[HASH]](double %x.val, ptr noalias noundef align 8 dereferenceable(8) %dx2)
// CHECK-NEXT:call fastcc void @[[HASH]](double %x.val, ptr noalias noundef align 8 dereferenceable(8) %dx2)
fn main() {
let x = std::hint::black_box(3.0);