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xo-jit: bugfix + debug for codegen_lambda()

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This commit is contained in:
Roland Conybeare 2024-06-17 13:48:03 -04:00
commit 3298fdf277
1 changed files with 28 additions and 5 deletions
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33
src/jit/MachPipeline.cpp
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@ -291,6 +291,12 @@ namespace xo {
llvm::Function *
MachPipeline::codegen_lambda(ref::brw<Lambda> lambda)
{
constexpr bool c_debug_flag = true;
using xo::scope;
scope log(XO_DEBUG(c_debug_flag),
xtag("lambda-name", lambda->name()));
/* reminder! this is the *expression*, not the *closure* */
global_env_[lambda->name()] = lambda.get();
@ -300,6 +306,10 @@ namespace xo {
if (fn) {
/** function with this name already defined?? **/
cerr << "MachPipeline::codegen_lambda: function f already defined"
<< xtag("f", lambda->name())
<< endl;
return nullptr;
}
@ -321,9 +331,15 @@ namespace xo {
lambda->name(),
llvm_module_.get());
/* also capture argument names */
int i = 0;
for (auto & arg : fn->args())
arg.setName(lambda->argv().at(i));
{
int i = 0;
for (auto & arg : fn->args()) {
log && log("llvm format param names", xtag("i", i), xtag("param", lambda->argv().at(i)));
arg.setName(lambda->argv().at(i));
++i;
}
}
/* generate function body */
@ -333,8 +349,15 @@ namespace xo {
/* formal parameters need to appear in named_value_map_ */
nested_env_.clear();
for (auto & arg : fn->args())
nested_env_[std::string(arg.getName())] = &arg;
{
int i = 0;
for (auto & arg : fn->args()) {
log && log("nested environment", xtag("i", i), xtag("param", std::string(arg.getName())));
nested_env_[std::string(arg.getName())] = &arg;
++i;
}
}
llvm::Value * retval = this->codegen(lambda->body());