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clover: Append implicit arguments to the kernel argument list. 

[ Francisco Jerez: Split off from a larger patch, and take a slightly
  different approach for passing the implicit arguments around. ]

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Jan Vesely 2014-10-08 17:43:01 +03:00 committed by Francisco Jerez
parent bf89a97748
commit 5bffc5e262
1 changed files with 29 additions and 13 deletions
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42
src/gallium/state_trackers/clover/llvm/invocation.cpp
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@ -308,24 +308,20 @@ namespace {
bitcode_ostream.flush();
for (unsigned i = 0; i < kernels.size(); ++i) {
llvm::Function *kernel_func;
std::string kernel_name;
llvm::Function *kernel_func = kernels[i];
const std::string kernel_name = kernel_func->getName();
#if HAVE_LLVM < 0x0302
llvm::TargetData TD(kernel_func->getParent());
#elif HAVE_LLVM < 0x0305
llvm::DataLayout TD(kernel_func->getParent()->getDataLayout());
#else
llvm::DataLayout TD(mod);
#endif
compat::vector<module::argument> args;
kernel_func = kernels[i];
kernel_name = kernel_func->getName();
for (llvm::Function::arg_iterator I = kernel_func->arg_begin(),
E = kernel_func->arg_end(); I != E; ++I) {
llvm::Argument &arg = *I;
#if HAVE_LLVM < 0x0302
llvm::TargetData TD(kernel_func->getParent());
#elif HAVE_LLVM < 0x0305
llvm::DataLayout TD(kernel_func->getParent()->getDataLayout());
#else
llvm::DataLayout TD(mod);
#endif
llvm::Type *arg_type = arg.getType();
const unsigned arg_store_size = TD.getTypeStoreSize(arg_type);
@ -384,6 +380,26 @@ namespace {
}
}
// Append implicit arguments. XXX - The types, ordering and
// vector size of the implicit arguments should depend on the
// target according to the selected calling convention.
llvm::Type *size_type =
TD.getSmallestLegalIntType(mod->getContext(), sizeof(cl_uint) * 8);
args.push_back(
module::argument(module::argument::scalar, sizeof(cl_uint),
TD.getTypeStoreSize(size_type),
TD.getABITypeAlignment(size_type),
module::argument::zero_ext,
module::argument::grid_dimension));
args.push_back(
module::argument(module::argument::scalar, sizeof(cl_uint),
TD.getTypeStoreSize(size_type),
TD.getABITypeAlignment(size_type),
module::argument::zero_ext,
module::argument::grid_offset));
m.syms.push_back(module::symbol(kernel_name, 0, i, args ));
}