[lld] [lld][ELF][MachO] rename to bp-* options for SectionOrderer (PR #118594)

[Ellis Hoag via llvm-commits]

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@@ -4,12 +4,12 @@
 # RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/a.s -o %t/a.o
 # RUN: llvm-profdata merge %t/a.proftext -o %t/a.profdata
 
-# RUN: %lld -arch arm64 -lSystem -e _main -o %t/a.out %t/a.o --irpgo-profile-sort=%t/a.profdata --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=STARTUP
-# RUN: %lld -arch arm64 -lSystem -e _main -o %t/a.out %t/a.o --irpgo-profile-sort=%t/a.profdata --verbose-bp-section-orderer --icf=all --compression-sort=none 2>&1 | FileCheck %s --check-prefix=STARTUP
+# RUN: %lld -arch arm64 -lSystem -e _main -o %t/a.out %t/a.o --irpgo-profile=%t/a.profdata --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=STARTUP
----------------
ellishg wrote:

The `-bp-startup-sort=function` flag is required to tell BP to order functions while `--irpgo-profile` is simply used to provide the profile. Same for lines 8 and 12.

```suggestion
# RUN: %lld -arch arm64 -lSystem -e _main -o %t/a.out %t/a.o --irpgo-profile=%t/a.profdata -bp-startup-sort=function --verbose-bp-section-orderer 2>&1 | FileCheck %s --check-prefix=STARTUP
```

https://github.com/llvm/llvm-project/pull/118594