[llvm] [AArch64][PAC] Support BLRA* instructions in SLS Hardening pass (PR #97605)

[Anatoly Trosinenko via llvm-commits]

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@@ -0,0 +1,210 @@
+# RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu \
+# RUN:     -start-before aarch64-sls-hardening -o - %s \
+# RUN:     -asm-verbose=0 \
+# RUN: | FileCheck %s \
+# RUN:     --implicit-check-not=__llvm_slsblr_thunk_aa_x5_x8 \
+# RUN:     --implicit-check-not=__llvm_slsblr_thunk_ab_x5_x8 \
+# RUN:     --implicit-check-not=__llvm_slsblr_thunk_aaz_x5 \
+# RUN:     --implicit-check-not=__llvm_slsblr_thunk_abz_x5
+
+# Pointer Authentication extension introduces more branch-with-link instructions
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atrosinenko wrote:

Fixed

https://github.com/llvm/llvm-project/pull/97605