jhuber6 marked 3 inline comments as done.
jhuber6 added inline comments.
================
Comment at: llvm/include/llvm/Frontend/OpenMP/OMPKinds.def:250
+__OMP_SIZE_TYPE(SizeTy)
+#undef __OMP_SIZE_TYPE
+
----------------
jdoerfert wrote:
> Why the indirection via `__OMP_SIZE_TYPE`? Wouldn't `OMP_TYPE(SizeTy,
> M.getDataLayout().getIntPtrType(Ctx))` suffice?
I think I did it just to make it more explicit while it was temporary, but now
that we're defining it here there's no point, I'll change it.
================
Comment at: llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp:124
+ assert(FnTy == Fn->getFunctionType() &&
+ "Found OpenMP runtime function has mismatched types");
}
----------------
jdoerfert wrote:
> I now think we either put the stuff in `#ifndef NDEBUG` or move the `FnTy =`
> into the first switch that does the lookup.
Yeah, I was wondering about the cost of the extra lookup. But we could
definitely just get the type when we look up the function and just do a
comparison in this branch.
================
Comment at: openmp/runtime/test/tasking/kmp_taskloop.c:100
th_counter[i] = 0;
- #pragma omp parallel num_threads(N)
+ #pragma omp parallel // num_threads(N)
{
----------------
jdoerfert wrote:
> jhuber6 wrote:
> > I am not entirely sure why, but commenting this out causes the problem to
> > go away. I tried adding proper names to the forward-declared functions but
> > since clang already knew I had something called ident_t, I couldn't declare
> > a new struct with the same name.
> This is not good. The difference should only be that the `kmpc_fork_call` has
> a different argument, right? Does the segfault happen at compile or runtime?
>
> You can just use the ident_t clang created, right? Did you print the function
> names requested by clang as we discussed?
I added an assertion and debug statements. If I try to declare a struct named
"Ident_t" I get the following error message in the seg-fault. I think the
seg-fault is compile-time.
Found OpenMP runtime function __kmpc_global_thread_num with type i32
(%struct.ident_t.0*). Expected type is i32 (%struct.ident_t*)
clang:
/home/jhuber/Documents/llvm-project/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp:124:
static llvm::Function*
llvm::OpenMPIRBuilder::getOrCreateRuntimeFunction(llvm::Module&,
llvm::omp::RuntimeFunction): Assertion `FnTy == Fn->getFunctionType() && "Found
OpenMP runtime function has mismatched types"' failed.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D80222/new/
https://reviews.llvm.org/D80222
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