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Rollup merge of #147523 - krasimirgg:llvm22-rr, r=durin42

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x86_64-bigint-helpers test: update test assertion to cover registers r8 and r9

Adapts the test expectation to cover the case where a register like `r9` is chosen. Update is similar to the other such expectation in the previous function in the same test file.

Found by our experimental rust + LLVM @ HEAD bot:
https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/40528/steps/canvas?sid=0199c8d7-f65a-4bbc-8d7f-e62d4ddcc65e#0199c8d7-f7ab-464d-a0fd-b4b8862a11d3/1047-1175

r? durin42
``@rustbot`` label: +llvm-main
This commit is contained in:
Matthias Krüger 2025-10-09 20:41:24 +02:00 • committed by GitHub
commit 849bea3a0d
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tests/assembly-llvm/x86_64-bigint-helpers.rs
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@ -44,7 +44,7 @@ pub unsafe extern "sysv64" fn bigint_chain_borrowing_sub(
n: usize,
mut carry: bool,
) -> bool {
// CHECK: mov [[TEMP:r..]], qword ptr [rsi + 8*[[IND:r..]] + 8]
// CHECK: mov [[TEMP:r.+]], qword ptr [rsi + 8*[[IND:r.+]] + 8]
// CHECK: sbb [[TEMP]], qword ptr [rdx + 8*[[IND]] + 8]
// CHECK: mov qword ptr [rdi + 8*[[IND]] + 8], [[TEMP]]
// CHECK: mov [[TEMP]], qword ptr [rsi + 8*[[IND]] + 16]