update llvm ir expectations

Author: sgasho

tests/codegen-llvm/autodiff/generic.rs

@@ -22,7 +22,7 @@ fn square<T: std::ops::Mul<Output = T> + Copy>(x: &T) -> T {
 
 // Ensure that `d_square::<f64>` code is generated even if `square::<f64>` was never called
 //
-// CHECK: define internal{{.*}} @diffe_ZN7generic6square
+// CHECK: define internal{{.*}} @diffe_{{.*}}generic6square
 // CHECK-SAME: double
 // CHECK: f{{add|mul}} {{.*}} double
 

tests/codegen-llvm/autodiff/identical_fnc.rs

@@ -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 @{{[^ (]+identical_fnc4main[^ (]*}}()
 // 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:{{(tail )?}}call fastcc void @[[DSQUARE:[^ (]+identical_fnc8d_square[^ (]*]](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:{{(tail )?}}call fastcc void @[[DSQUARE]](double %x.val, ptr noalias noundef align 8 dereferenceable(8) %dx2)
 
 fn main() {
     let x = std::hint::black_box(3.0);