[CMake] Use LLVM_TARGET_TRIPLE in runtimes

This variable is derived from LLVM_DEFAULT_TARGET_TRIPLE by default,
but using a separate variable allows additional normalization to be
performed if needed.

Differential Revision: https://reviews.llvm.org/D137451

NOKEYCHECK=True
GitOrigin-RevId: bec8a372fc0db95852748691c0f4933044026b25
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5c54788..a626af6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -115,8 +115,8 @@
 set(LIBUNWIND_STATIC_OUTPUT_NAME "unwind" CACHE STRING "Output name for the static libunwind runtime library.")
 
 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
-  set(LIBUNWIND_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE})
-  set(LIBUNWIND_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
+  set(LIBUNWIND_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_TARGET_TRIPLE})
+  set(LIBUNWIND_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_TARGET_TRIPLE} CACHE PATH
       "Path where built libunwind libraries should be installed.")
   if(LIBCXX_LIBDIR_SUBDIR)
     string(APPEND LIBUNWIND_LIBRARY_DIR /${LIBUNWIND_LIBDIR_SUBDIR})
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 0a09553..aa5f92f 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -29,7 +29,7 @@
 if (CMAKE_CXX_COMPILER_TARGET)
   serialize_lit_param(target_triple "\"${CMAKE_CXX_COMPILER_TARGET}\"")
 else()
-  serialize_lit_param(target_triple "\"${LLVM_DEFAULT_TARGET_TRIPLE}\"")
+  serialize_lit_param(target_triple "\"${LLVM_TARGET_TRIPLE}\"")
 endif()
 
 foreach(param IN LISTS LIBUNWIND_TEST_PARAMS)