[lld] [LLD][ELF] add bp-* options in ELF (PR #120514)

[Fangrui Song via llvm-commits]

================
@@ -1,3 +1,16 @@
+# REQUIRES: aarch64
+# RUN: rm -rf %t
+# RUN: not ld.lld -o /dev/null %t --irpgo-profile=/dev/null --bp-startup-sort=function --call-graph-ordering-file=/dev/null 2>&1 | FileCheck %s --check-prefix=IRPGO-ERR
+# IRPGO-ERR: --bp-startup-sort=function is incompatible with --call-graph-ordering-file
+# RUN: not ld.lld -o /dev/null --bp-compression-sort=function --call-graph-ordering-file /dev/null 2>&1 | FileCheck %s --check-prefix=COMPRESSION-ERR
+# COMPRESSION-ERR: --bp-compression-sort is incompatible with --call-graph-ordering-file
+# RUN: not ld.lld -o /dev/null --bp-compression-sort=malformed 2>&1 | FileCheck %s --check-prefix=COMPRESSION-MALFORM
+# COMPRESSION-MALFORM: unknown value 'malformed' for --bp-compression-sort=
+# RUN: not ld.lld -o /dev/null --bp-startup-sort=function 2>&1 | FileCheck %s --check-prefix=STARTUP
+# STARTUP: --bp-startup-sort=function must be used with --irpgo-profile
+# RUN: not ld.lld -o /dev/null --bp-compression-sort-startup-functions 2>&1 | FileCheck %s --check-prefix=STARTUP-COMPRESSION
+# STARTUP-COMPRESSION: --bp-compression-sort-startup-functions must be used with --irpgo-profile
----------------
MaskRay wrote:

The test is for the specific error ` is incompatible with ...`

The negative tests should be moved to `lld/test/ELF/bp-section-orderer.s`, after the positive tests

https://github.com/llvm/llvm-project/pull/120514