[ELF] Improve thin-archivecollision.ll

GitOrigin-RevId: 17bc4497847eb0388bedc5c8483bf8a1cbdd3a42
diff --git a/test/ELF/lto/thin-archivecollision.ll b/test/ELF/lto/thin-archivecollision.ll
index 47a0bee..da3d088 100644
--- a/test/ELF/lto/thin-archivecollision.ll
+++ b/test/ELF/lto/thin-archivecollision.ll
@@ -1,28 +1,30 @@
 ; REQUIRES: x86
-; RUN: opt -module-summary %s -o %t.o
+; RUN: rm -rf %t && mkdir %t && cd %t
+; RUN: mkdir d e
+; RUN: opt -module-summary %s -o b.bc
 ; RUN: mkdir -p %t1 %t2
-; RUN: opt -module-summary %p/Inputs/thin1.ll -o %t1/t.coll.o
-; RUN: opt -module-summary %p/Inputs/thin2.ll -o %t2/t.coll.o
+; RUN: opt -module-summary %p/Inputs/thin1.ll -o d/coll.o
+; RUN: opt -module-summary %p/Inputs/thin2.ll -o e/coll.o
 
-; RUN: rm -f %t.a
-; RUN: llvm-ar rcs %t.a %t1/t.coll.o %t2/t.coll.o
-; RUN: ld.lld %t.o %t.a -o %t
-; RUN: llvm-nm %t | FileCheck %s
-
-; Check without a archive symbol table
-; RUN: rm -f %t.a
-; RUN: llvm-ar rcS %t.a %t1/t.coll.o %t2/t.coll.o
-; RUN: ld.lld %t.o %t.a -o %t
-; RUN: llvm-nm %t | FileCheck %s
+; RUN: llvm-ar rcS d/a.a d/coll.o e/coll.o
+; RUN: ld.lld b.bc d/a.a -o out --save-temps
+; RUN: llvm-nm out | FileCheck %s
+; RUN: llvm-nm out2.lto.o | FileCheck %s --check-prefix=MOD2
+; RUN: llvm-nm out3.lto.o | FileCheck %s --check-prefix=MOD3
 
 ; Check we handle this case correctly even in presence of --whole-archive.
-; RUN: ld.lld %t.o --whole-archive %t.a -o %t
-; RUN: llvm-nm %t | FileCheck %s
+; RUN: rm out1.lto.o out2.lto.o out3.lto.o
+; RUN: ld.lld b.bc --whole-archive d/a.a -o out --save-temps
+; RUN: llvm-nm out | FileCheck %s
+; RUN: ls out1.lto.o out2.lto.o out3.lto.o
 
 ; CHECK: T _start
 ; CHECK: T blah
 ; CHECK: T foo
 
+; MOD2: T foo
+; MOD3: T blah
+
 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-scei-ps4"