Index: libcxx/utils/ci/run-buildbot
===================================================================
--- libcxx/utils/ci/run-buildbot
+++ libcxx/utils/ci/run-buildbot
@@ -652,10 +652,17 @@
 ;;
 aix)
     clean
+
+    TARGET=$(${CXX} --version | grep 'Target:' | awk '{print $2}')
+    PARAMS="target_triple=${TARGET}"
+
     generate-cmake -C "${MONOREPO_ROOT}/libcxx/cmake/caches/AIX.cmake" \
                    -DLIBCXX_TEST_CONFIG="ibm-libc++-shared.cfg.in" \
                    -DLIBCXXABI_TEST_CONFIG="ibm-libc++abi-shared.cfg.in" \
-                   -DLIBUNWIND_TEST_CONFIG="ibm-libunwind-shared.cfg.in"
+                   -DLIBUNWIND_TEST_CONFIG="ibm-libunwind-shared.cfg.in" \
+                   -DLIBCXX_TEST_PARAMS="${PARAMS}" \
+                   -DLIBCXXABI_TEST_PARAMS="${PARAMS}" \
+                   -DLIBUNWIND_TEST_PARAMS="${PARAMS}"
     check-abi-list
     check-runtimes
 ;;
Index: libunwind/test/signal_frame.pass.cpp
===================================================================
--- libunwind/test/signal_frame.pass.cpp
+++ libunwind/test/signal_frame.pass.cpp
@@ -19,7 +19,7 @@
 
 // The AIX assembler does not support CFI directives, which
 // are necessary to run this test.
-// UNSUPPORTED: target=powerpc{{(64)?}}-ibm-aix
+// UNSUPPORTED: target={{.*}}-aix{{.*}}
 
 // Windows doesn't generally use CFI directives. However, i686
 // mingw targets do use DWARF (where CFI directives are supported).