Index: compiler-rt/test/profile/Posix/instrprof-get-filename-merge-mode.c
===================================================================
--- compiler-rt/test/profile/Posix/instrprof-get-filename-merge-mode.c
+++ compiler-rt/test/profile/Posix/instrprof-get-filename-merge-mode.c
@@ -1,6 +1,6 @@
 // Test __llvm_profile_get_filename when the on-line merging mode is enabled.
 //
-// RUN: %clang_pgogen -fPIC -shared -o %t.dso %p/../Inputs/instrprof-get-filename-dso.c
+// 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
 
Index: compiler-rt/test/profile/Posix/lit.local.cfg.py
===================================================================
--- compiler-rt/test/profile/Posix/lit.local.cfg.py
+++ compiler-rt/test/profile/Posix/lit.local.cfg.py
@@ -7,3 +7,10 @@
 
 if root.host_os in ['Windows']:
   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.
+if root.host_os in ['AIX']:
+  config.substitutions.append(('%shared_linker_xopts', '-Wl,-bexpfull'))
+else:
+  config.substitutions.append(('%shared_linker_xopts', ''))