Modify test. Add the option --relax.

Author: ylzsx

lld/test/ELF/loongarch-relax-call36-2.s

@@ -2,14 +2,14 @@
 # RUN: rm -rf %t && split-file %s %t && cd %t
 # RUN: llvm-mc -filetype=obj -triple=loongarch64 -mattr=+relax a.s -o a.o
 
-# RUN: ld.lld -T lds a.o -o a
+# RUN: ld.lld --relax -T lds a.o -o a
 # RUN: llvm-objdump -d --no-show-raw-insn a | FileCheck %s --check-prefixes=RELAX,RELAX-MID
 
 ## Unsure whether this needs a diagnostic. GNU ld allows this.
-# RUN: ld.lld -T lds -pie a.o -o a.pie
+# RUN: ld.lld --relax -T lds -pie a.o -o a.pie
 # RUN: llvm-objdump -d --no-show-raw-insn a.pie | FileCheck %s --check-prefixes=RELAX,RELAX-MID
 
-# RUN: ld.lld -T lds -pie -z notext -z ifunc-noplt a.o -o a.ifunc-noplt
+# RUN: ld.lld --relax -T lds -pie -z notext -z ifunc-noplt a.o -o a.ifunc-noplt
 # RUN: llvm-objdump -d --no-show-raw-insn a.ifunc-noplt | FileCheck %s --check-prefixes=RELAX,NORELAX-MID
 
 # RELAX-LABEL:  <_start>:

lld/test/ELF/loongarch-relax-call36.s

@@ -4,12 +4,12 @@
 
 # RUN: llvm-mc -filetype=obj -triple=loongarch64 -mattr=+relax a.s -o a.64.o
 # RUN: llvm-mc -filetype=obj -triple=loongarch64 -mattr=+relax b.s -o b.64.o
-# RUN: ld.lld -shared -soname=b.so b.64.o -o b.64.so
-# RUN: ld.lld -T lds a.64.o b.64.so -o 64
+# RUN: ld.lld --relax -shared -soname=b.so b.64.o -o b.64.so
+# RUN: ld.lld --relax -T lds a.64.o b.64.so -o 64
 # RUN: llvm-objdump -td --no-show-raw-insn 64 | FileCheck %s --check-prefix=RELAX
 
 ## --no-relax disables relaxation.
-# RUN: ld.lld -T lds a.64.o b.64.so --no-relax -o 64.norelax
+# RUN: ld.lld --no-relax -T lds a.64.o b.64.so -o 64.norelax
 # RUN: llvm-objdump -td --no-show-raw-insn 64.norelax | FileCheck %s --check-prefix=NORELAX
 
 # RELAX:       {{0*}}00010000 g       .text  {{0*}}0000001c _start

lld/test/ELF/loongarch-relax-emit-relocs-2.s

@@ -3,15 +3,15 @@
 ## Call36 and tail36 need LA64 basic integer, so they donot have 32-bit version.
 
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=+relax %s -o %t.64.o
-# RUN: ld.lld -Ttext=0x10000 --emit-relocs %t.64.o -o %t.64
+# RUN: ld.lld --relax -Ttext=0x10000 --emit-relocs %t.64.o -o %t.64
 # RUN: llvm-objdump -dr %t.64 | FileCheck %s --check-prefix=RELAX
 
 ## -r should keep original relocations.
-# RUN: ld.lld -r %t.64.o -o %t.64.r
+# RUN: ld.lld --relax -r %t.64.o -o %t.64.r
 # RUN: llvm-objdump -dr %t.64.r | FileCheck %s --check-prefix=CHECKR
 
 ## --no-relax should keep original relocations.
-# RUN: ld.lld -Ttext=0x10000 --emit-relocs --no-relax %t.64.o -o %t.64.norelax
+# RUN: ld.lld --no-relax -Ttext=0x10000 --emit-relocs %t.64.o -o %t.64.norelax
 # RUN: llvm-objdump -dr %t.64.norelax | FileCheck %s --check-prefix=NORELAX
 
 # RELAX:      00010000 <_start>: