[Mesa-dev] [PATCH v2] clover: Fix compilation after clang r315871

[Jan Vesely]

From: Jan Vesely <jan.vesely at rutgers.edu>

v2: use a more generic compat function

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103388
Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
---
 src/gallium/state_trackers/clover/llvm/codegen/common.cpp |  5 ++---
 src/gallium/state_trackers/clover/llvm/compat.hpp         | 12 ++++++++++--
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/gallium/state_trackers/clover/llvm/codegen/common.cpp b/src/gallium/state_trackers/clover/llvm/codegen/common.cpp
index 075183400a..dd9d02ab11 100644
--- a/src/gallium/state_trackers/clover/llvm/codegen/common.cpp
+++ b/src/gallium/state_trackers/clover/llvm/codegen/common.cpp
@@ -70,7 +70,6 @@ namespace {
    make_kernel_args(const Module &mod, const std::string &kernel_name,
                     const clang::CompilerInstance &c) {
       std::vector<module::argument> args;
-      const auto address_spaces = c.getTarget().getAddressSpaceMap();
       const Function &f = *mod.getFunction(kernel_name);
       ::llvm::DataLayout dl(&mod);
       const auto size_type =
@@ -128,8 +127,8 @@ namespace {
                const unsigned address_space =
                   cast< ::llvm::PointerType>(actual_type)->getAddressSpace();
 
-               if (address_space == address_spaces[clang::LangAS::opencl_local
-                                                   - compat::lang_as_offset]) {
+               if (address_space == compat::target_lang_address_space(
+                                  c.getTarget(), clang::LangAS::opencl_local)) {
                   args.emplace_back(module::argument::local, arg_api_size,
                                     target_size, target_align,
                                     module::argument::zero_ext);
diff --git a/src/gallium/state_trackers/clover/llvm/compat.hpp b/src/gallium/state_trackers/clover/llvm/compat.hpp
index f8b56516d5..3e34f0dd94 100644
--- a/src/gallium/state_trackers/clover/llvm/compat.hpp
+++ b/src/gallium/state_trackers/clover/llvm/compat.hpp
@@ -69,11 +69,19 @@ namespace clover {
          typedef ::llvm::TargetLibraryInfo target_library_info;
 #endif
 
+         template<typename T, typename AS>
+         unsigned target_lang_address_space(const T& target, const AS lang_as) {
+            const auto &map = target.getAddressSpaceMap();
+#if HAVE_LLVM >= 0x0500
+            return map[static_cast<unsigned>(lang_as)];
+#else
+            return map[lang_as - clang::LangAS::Offset];
+#endif
+         }
+
 #if HAVE_LLVM >= 0x0500
-         const auto lang_as_offset = 0;
          const clang::InputKind ik_opencl = clang::InputKind::OpenCL;
 #else
-         const auto lang_as_offset = clang::LangAS::Offset;
          const clang::InputKind ik_opencl = clang::IK_OpenCL;
 #endif
 
-- 
2.13.6