Tom Stellard <[email protected]> writes: > On Mon, Jul 22, 2013 at 09:24:12AM -0400, Jonathan Charest wrote: >> To have non-static buffers in local memory, it is necessary to pass them >> as arguments to the kernel. This was almost supported but the address >> space mapping was missing to perform the check (thanks to tstellar for >> pointing me in the right direction). >> >> --- >> .../state_trackers/clover/llvm/invocation.cpp | 31 >> ++++++++++++++-------- > > Reviewed-by: Tom Stellard <[email protected]> > Looks OK to me, but the patch doesn't apply because of the line wrapping. Also make sure you place block braces consistently and respect the 80-column limit as far as possible.
>> 1 file changed, 20 insertions(+), 11 deletions(-)
>>
>> diff --git a/src/gallium/state_trackers/clover/llvm/invocation.cpp
>> b/src/gallium/state_trackers/clover/llvm/invocation.cpp
>> index dae61f7..5cb5724 100644
>> --- a/src/gallium/state_trackers/clover/llvm/invocation.cpp
>> +++ b/src/gallium/state_trackers/clover/llvm/invocation.cpp
>> @@ -26,6 +26,7 @@
>> #include <clang/Frontend/TextDiagnosticBuffer.h>
>> #include <clang/Frontend/TextDiagnosticPrinter.h>
>> #include <clang/CodeGen/CodeGenAction.h>
>> +#include <clang/Basic/TargetInfo.h>
>> #include <llvm/Bitcode/BitstreamWriter.h>
>> #include <llvm/Bitcode/ReaderWriter.h>
>> #include <llvm/Linker.h>
>> @@ -113,7 +114,7 @@ namespace {
>> llvm::Module *
>> compile(const std::string &source, const std::string &name,
>> const std::string &triple, const std::string &processor,
>> - const std::string &opts) {
>> + const std::string &opts, clang::LangAS::Map& address_spaces) {
>>
>> clang::CompilerInstance c;
>> clang::CompilerInvocation invocation;
>> @@ -204,6 +205,9 @@ namespace {
>> if (!c.ExecuteAction(act))
>> throw build_error(log);
>>
>> + // Get address spaces map to be able to find kernel argument
>> address spaces
>> + memcpy(address_spaces, c.getTarget().getAddressSpaceMap(),
>> sizeof(address_spaces));
>> +
>> return act.takeModule();
>> }
>>
>> @@ -282,7 +286,8 @@ namespace {
>>
>> module
>> build_module_llvm(llvm::Module *mod,
>> - const std::vector<llvm::Function *> &kernels) {
>> + const std::vector<llvm::Function *> &kernels,
>> + clang::LangAS::Map& address_spaces) {
>>
>> module m;
>> struct pipe_llvm_program_header header;
>> @@ -318,14 +323,17 @@ namespace {
>> }
>>
>> if (arg_type->isPointerTy()) {
>> - // XXX: Figure out LLVM->OpenCL address space mappings
>> for each
>> - // target. I think we need to ask clang what these are.
>> For now,
>> - // pretend everything is in the global address space.
>> unsigned address_space =
>> llvm::cast<llvm::PointerType>(arg_type)->getAddressSpace();
>> - switch (address_space) {
>> - default:
>> -
>> args.push_back(module::argument(module::argument::global, arg_size));
>> - break;
>> + if (address_space ==
>> + address_spaces[clang::LangAS::opencl_local -
>> clang::LangAS::Offset]) {
>> +
>> args.push_back(module::argument(module::argument::local, arg_size));
>> + }
>> + else if (address_space ==
>> + address_spaces[clang::LangAS::opencl_constant -
>> clang::LangAS::Offset]) {
>> +
>> args.push_back(module::argument(module::argument::constant, arg_size));
>> + }
>> + else {
>> +
>> args.push_back(module::argument(module::argument::global, arg_size));
>> }
>> } else {
>>
>> args.push_back(module::argument(module::argument::scalar, arg_size));
>> @@ -358,10 +366,11 @@ clover::compile_program_llvm(const compat::string
>> &source,
>> std::string processor(target.begin(), 0, processor_str_len);
>> std::string triple(target.begin(), processor_str_len + 1,
>> target.size() - processor_str_len - 1);
>> + clang::LangAS::Map address_spaces;
>>
>> // The input file name must have the .cl extension in order for the
>> // CompilerInvocation class to recognize it as an OpenCL source file.
>> - llvm::Module *mod = compile(source, "input.cl", triple, processor,
>> opts);
>> + llvm::Module *mod = compile(source, "input.cl", triple, processor,
>> opts, address_spaces);
>>
>> find_kernels(mod, kernels);
>>
>> @@ -374,6 +383,6 @@ clover::compile_program_llvm(const compat::string
>> &source,
>> assert(0);
>> return module();
>> default:
>> - return build_module_llvm(mod, kernels);
>> + return build_module_llvm(mod, kernels, address_spaces);
>> }
>> }
>> -- 1.8.3.2
>>
>> _______________________________________________
>> mesa-dev mailing list
>> [email protected]
>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
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