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[flang][cuda] Allow compiler directive in cuda code #141991

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Merged
merged 1 commit into from
May 29, 2025
Merged

[flang][cuda] Allow compiler directive in cuda code #141991

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3 changes: 3 additions & 0 deletions flang/lib/Semantics/check-cuda.cpp
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Expand Up @@ -321,6 +321,9 @@ template <bool IsCUFKernelDo> class DeviceContextChecker {
Check(std::get<parser::Block>(c.t));
}
},
[&](const common::Indirection<parser::CompilerDirective> &x) {
// TODO(CUDA): Check for unsupported compiler directive here.
},
[&](const auto &x) {
if (auto source{parser::GetSource(x)}) {
context_.Say(*source,
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11 changes: 11 additions & 0 deletions flang/test/Semantics/cuf09.cuf
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Expand Up @@ -18,6 +18,17 @@ module m
!WARNING: I/O statement might not be supported on device
write(12,'(10F4.1)'), x
end
attributes(global) subroutine devsub3(n)
implicit none
integer :: n
integer :: i, ig, iGrid
iGrid = gridDim%x*blockDim%x
ig = (blockIdx%x-1)*blockDim%x + threadIdx%x

!dir$ nounroll
do i = ig, n, iGrid
end do
end subroutine
attributes(global) subroutine hostglobal(a)
integer :: a(*)
i = threadIdx%x
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