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1; RUN: llc -mtriple arm64-apple-ios -mattr=+lse %s -o - | FileCheck %s2; RUN: llc -mtriple arm64-apple-ios -mattr=+lse -mattr=+outline-atomics %s -o - | FileCheck %s3 4; Only "even,even+1" pairs are valid for CASP instructions. Make sure LLVM5; doesn't allocate odd ones and that it can copy them around properly. N.b. we6; don't actually check that they're sequential because FileCheck can't; odd/even7; will have to be good enough.8define void @test_atomic_cmpxchg_i128_register_shuffling(ptr %addr, i128 %desired, i128 %new) nounwind {9; CHECK-LABEL: test_atomic_cmpxchg_i128_register_shuffling:10; CHECK-DAG: mov [[DESIRED_LO:x[0-9]*[02468]]], x111; CHECK-DAG: mov [[DESIRED_HI:x[0-9]*[13579]]], x212; CHECK-DAG: mov [[NEW_LO:x[0-9]*[02468]]], x313; CHECK-DAG: mov [[NEW_HI:x[0-9]*[13579]]], x414; CHECK: caspal [[DESIRED_LO]], [[DESIRED_HI]], [[NEW_LO]], [[NEW_HI]], [x0]15 16 %res = cmpxchg ptr %addr, i128 %desired, i128 %new seq_cst seq_cst17 ret void18}19