1; RUN: llc -mtriple=x86_64 -mattr=cx16 < %s | FileCheck %s 2 3; Atomics larger than 128-bit are unsupported, and emit libcalls. 4define void @test(ptr %a) nounwind { 5; CHECK-LABEL: test: 6; CHECK: callq __atomic_load 7; CHECK: callq __atomic_store 8 %1 = load atomic i256, ptr %a seq_cst, align 32 9 store atomic i256 %1, ptr %a seq_cst, align 32 10 ret void 11} 12