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clover/llvm: Use metadata introspection utils for kernel enumeration.

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Reviewed-by: Serge Martin <edb+mesa@sigluy.net>
Tested-by: Jan Vesely <jan.vesely@rutgers.edu>
This commit is contained in:
Francisco Jerez
2016-06-28 00:03:24 -07:00
parent d37d5842c1
commit 952d1e6fd6
1 changed files with 3 additions and 31 deletions
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34
src/gallium/state_trackers/clover/llvm/invocation.cpp
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@@ -220,34 +220,6 @@ namespace {
return act.takeModule();
}
std::vector<llvm::Function *>
find_kernels(llvm::Module *mod) {
std::vector<llvm::Function *> kernels;
#if HAVE_LLVM >= 0x0309
auto &list = mod->getFunctionList();
for_each(list.begin(), list.end(), [&](llvm::Function &f){
if (f.getMetadata("kernel_arg_type"))
kernels.push_back(&f);
});
return kernels;
#endif
const llvm::NamedMDNode *kernel_node =
mod->getNamedMetadata("opencl.kernels");
// This means there are no kernels in the program. The spec does not
// require that we return an error here, but there will be an error if
// the user tries to pass this program to a clCreateKernel() call.
if (!kernel_node) {
return std::vector<llvm::Function *>();
}
kernels.reserve(kernel_node->getNumOperands());
for (unsigned i = 0; i < kernel_node->getNumOperands(); ++i) {
kernels.push_back(llvm::mdconst::dyn_extract<llvm::Function>(
kernel_node->getOperand(i)->getOperand(0)));
}
return kernels;
}
void
optimize(Module &mod, unsigned optimization_level) {
compat::pass_manager pm;
@@ -267,7 +239,7 @@ namespace {
// treat the functions in the list as "main" functions and internalize
// all of the other functions.
compat::add_internalize_pass(pm, map(std::mem_fn(&Function::getName),
find_kernels(&mod)));
get_kernels(mod)));
::llvm::PassManagerBuilder pmb;
pmb.OptLevel = optimization_level;
@@ -424,7 +396,7 @@ namespace {
module m;
for (const auto &name : map(std::mem_fn(&Function::getName),
find_kernels(const_cast<Module *>(&mod)))) {
get_kernels(mod))) {
if (offsets.count(name))
m.syms.emplace_back(name, 0, offsets.at(name),
make_kernel_args(mod, name, c));
@@ -449,7 +421,7 @@ namespace {
unsigned i = 0;
for (const auto &name : map(std::mem_fn(&::llvm::Function::getName),
find_kernels(mod)))
get_kernels(*mod)))
offsets[name] = i++;
return build_module_common(*mod, { llvm_bitcode.begin(),