[llvm] [BOLT][AArch64] Reduce the number of ADR relaxations (PR #111577)

[Vladislav Khmelevsky via llvm-commits]

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+## Check that llvm-bolt will not unnecessarily relax ADR instruction.
+
+# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown %s -o %t.o
+# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q -static
+# RUN: llvm-bolt %t.exe -o %t.bolt --split-functions --split-strategy=random2
+# RUN: llvm-objdump -d --disassemble-symbols=_start %t.bolt | FileCheck %s
+# RUN: llvm-objdump -d --disassemble-symbols=foo.cold.0 %t.bolt \
+# RUN:   | FileCheck --check-prefix=CHECK-FOO %s
+
+## ADR below references its containing function that is split. But ADR is always
+## in the main fragment, thus there is no need to relax it.
+	.text
+  .globl _start
+  .type _start, %function
+_start:
+# CHECK: <_start>:
+	.cfi_startproc
+  adr x1, _start
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yota9 wrote:

Indentation 

https://github.com/llvm/llvm-project/pull/111577