diff --git a/compiler-rt/test/profile/Posix/instrprof-get-filename-merge-mode.c b/compiler-rt/test/profile/Posix/instrprof-get-filename-merge-mode.c
--- a/compiler-rt/test/profile/Posix/instrprof-get-filename-merge-mode.c
+++ b/compiler-rt/test/profile/Posix/instrprof-get-filename-merge-mode.c
@@ -1,5 +1,6 @@
 // Test __llvm_profile_get_filename when the on-line merging mode is enabled.
 //
+// RUN: echo get_filename_from_DSO > shr.exp
 // RUN: %clang_pgogen -fPIC -shared %shared_linker_xopts -o %t.dso %p/../Inputs/instrprof-get-filename-dso.c
 // RUN: %clang_pgogen -o %t %s %t.dso
 // RUN: env LLVM_PROFILE_FILE="%t-%m.profraw" %run %t
diff --git a/compiler-rt/test/profile/Posix/lit.local.cfg.py b/compiler-rt/test/profile/Posix/lit.local.cfg.py
--- a/compiler-rt/test/profile/Posix/lit.local.cfg.py
+++ b/compiler-rt/test/profile/Posix/lit.local.cfg.py
@@ -9,8 +9,8 @@
   config.unsupported = True
 
 # AIX usually usually makes use of an explicit export list when linking a shared
-# object, but for the purposes of these tests just export all symbols.
+# object, since the linker doesn't export anything by default.
 if root.host_os in ['AIX']:
-  config.substitutions.append(('%shared_linker_xopts', '-Wl,-bexpfull'))
+  config.substitutions.append(('%shared_linker_xopts', '-Wl,-bE:shr.exp'))
 else:
   config.substitutions.append(('%shared_linker_xopts', ''))