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[Libomptarget] Use NVPTX lane id intrinsic in DeviceRTL #84928

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Merged
merged 1 commit into from
Mar 12, 2024
Merged

[Libomptarget] Use NVPTX lane id intrinsic in DeviceRTL #84928

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5 changes: 1 addition & 4 deletions openmp/libomptarget/DeviceRTL/src/Mapping.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -172,10 +172,7 @@ uint32_t getThreadIdInBlock(int32_t Dim) {
UNREACHABLE("Dim outside range!");
}

uint32_t getThreadIdInWarp() {
return impl::getThreadIdInBlock(mapping::DIM_X) &
(mapping::getWarpSize() - 1);
}
uint32_t getThreadIdInWarp() { return __nvvm_read_ptx_sreg_laneid(); }

uint32_t getBlockIdInKernel(int32_t Dim) {
switch (Dim) {
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