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1; RUN: not llc < %s -march=nvptx64 -mcpu=sm_100 -mattr=+ptx88 2>&1 | FileCheck %s2 3; CHECK: error: unsupported atomic store4; CHECK: error: unsupported atomic load5 6define void @test_i256_global_atomic(ptr addrspace(1) %a, ptr addrspace(1) %b) {7 %a.load = load atomic i256, ptr addrspace(1) %a seq_cst, align 328 store atomic i256 %a.load, ptr addrspace(1) %b seq_cst, align 329 ret void10}11