Pierre Moreau <[email protected]> writes: > Signed-off-by: Pierre Moreau <[email protected]> > --- > .../state_trackers/clover/llvm/invocation.cpp | 26 > ++++++++++++++++++++++ > .../state_trackers/clover/llvm/invocation.hpp | 4 ++++ > src/gallium/state_trackers/clover/meson.build | 2 +- > 3 files changed, 31 insertions(+), 1 deletion(-) > > diff --git a/src/gallium/state_trackers/clover/llvm/invocation.cpp > b/src/gallium/state_trackers/clover/llvm/invocation.cpp > index e4ca5fa444..8fcf93eefd 100644 > --- a/src/gallium/state_trackers/clover/llvm/invocation.cpp > +++ b/src/gallium/state_trackers/clover/llvm/invocation.cpp > @@ -24,12 +24,15 @@ > // OTHER DEALINGS IN THE SOFTWARE. > // > > +#include <sstream> > + > #include <llvm/IR/DiagnosticPrinter.h> > #include <llvm/IR/DiagnosticInfo.h> > #include <llvm/IR/LLVMContext.h> > #include <llvm/Support/raw_ostream.h> > #include <llvm/Transforms/IPO/PassManagerBuilder.h> > #include <llvm-c/Target.h> > +#include <llvm-spirv/SPIRV.h> > > #include <clang/CodeGen/CodeGenAction.h> > #include <clang/Lex/PreprocessorOptions.h> > @@ -301,3 +304,26 @@ clover::llvm::link_program(const std::vector<module> > &modules, > unreachable("Unsupported IR."); > } > } > + > +module > +clover::llvm::compile_from_spirv(const std::vector<char> &binary, > + const device &dev, > + std::string &r_log) { > + auto ctx = create_context(r_log); > + > + ::llvm::Module *unsafe_mod; > + std::string error_msg; > + std::stringstream input(std::ios_base::binary); > + std::copy(binary.begin(), binary.end(), > std::ostream_iterator<char>(input, ""));
Why do you need to std::copy the bytecode into a bidirectional
stringstream? Can't you use an std::istringstream initialized to the
binary contents instead?
> + if (!::llvm::ReadSPIRV(*ctx, input, unsafe_mod, error_msg)) {
> + r_log += "Failed to convert SPIR-V to LLVM IR: " + error_msg + ".\n";
> + throw error(CL_INVALID_VALUE);
> + }
> +
> + std::unique_ptr<::llvm::Module> mod(unsafe_mod);
> +
> + if (has_flag(debug::llvm))
> + debug::log(".ll", print_module_bitcode(*mod));
> +
> + return build_module_library(*mod, module::section::text_intermediate);
> +}
> diff --git a/src/gallium/state_trackers/clover/llvm/invocation.hpp
> b/src/gallium/state_trackers/clover/llvm/invocation.hpp
> index 5b3530c382..17fa416136 100644
> --- a/src/gallium/state_trackers/clover/llvm/invocation.hpp
> +++ b/src/gallium/state_trackers/clover/llvm/invocation.hpp
> @@ -41,6 +41,10 @@ namespace clover {
> const std::string &target,
> const std::string &opts,
> std::string &r_log);
> +
> + module compile_from_spirv(const std::vector<char> &binary,
> + const device &dev,
> + std::string &r_log);
> }
> }
>
> diff --git a/src/gallium/state_trackers/clover/meson.build
> b/src/gallium/state_trackers/clover/meson.build
> index c52f0faa40..bffd0df11d 100644
> --- a/src/gallium/state_trackers/clover/meson.build
> +++ b/src/gallium/state_trackers/clover/meson.build
> @@ -48,7 +48,7 @@ libclllvm = static_library(
> dep_llvm.get_configtool_variable('version'), 'include',
> )),
> ],
> - dependencies : [dep_llvm, dep_elf],
> + dependencies : [dep_llvm, dep_elf, dep_llvm_spirv],
> )
>
> clover_files = files(
> --
> 2.16.2
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