1; RUN: llc < %s -mtriple=x86_64-- -verify-machineinstrs -mcpu=corei7 -mattr=-cx16 | FileCheck %s 2; RUN: llc < %s -mtriple=i386-linux-gnu -verify-machineinstrs -mattr=cx16 | FileCheck -check-prefix=CHECK32 %s 3 4;; Verify that 128-bit atomics emit a libcall without cx16 5;; available. 6;; 7;; We test 32-bit mode with -mattr=cx16, because it should have no 8;; effect for 32-bit mode. 9 10; CHECK-LABEL: test: 11define void @test(ptr %a) nounwind { 12entry: 13; CHECK: __atomic_compare_exchange_16 14; CHECK32: __atomic_compare_exchange 15 %0 = cmpxchg ptr %a, i128 1, i128 1 seq_cst seq_cst 16; CHECK: __atomic_exchange_16 17; CHECK32: __atomic_exchange 18 %1 = atomicrmw xchg ptr %a, i128 1 seq_cst 19; CHECK: __atomic_fetch_add_16 20; CHECK32: __atomic_compare_exchange 21 %2 = atomicrmw add ptr %a, i128 1 seq_cst 22; CHECK: __atomic_fetch_sub_16 23; CHECK32: __atomic_compare_exchange 24 %3 = atomicrmw sub ptr %a, i128 1 seq_cst 25; CHECK: __atomic_fetch_and_16 26; CHECK32: __atomic_compare_exchange 27 %4 = atomicrmw and ptr %a, i128 1 seq_cst 28; CHECK: __atomic_fetch_nand_16 29; CHECK32: __atomic_compare_exchange 30 %5 = atomicrmw nand ptr %a, i128 1 seq_cst 31; CHECK: __atomic_fetch_or_16 32; CHECK32: __atomic_compare_exchange 33 %6 = atomicrmw or ptr %a, i128 1 seq_cst 34; CHECK: __atomic_fetch_xor_16 35; CHECK32: __atomic_compare_exchange 36 %7 = atomicrmw xor ptr %a, i128 1 seq_cst 37; CHECK: __atomic_load_16 38; CHECK32: __atomic_load 39 %8 = load atomic i128, ptr %a seq_cst, align 16 40; CHECK: __atomic_store_16 41; CHECK32: __atomic_store 42 store atomic i128 %8, ptr %a seq_cst, align 16 43 ret void 44} 45 46; CHECK-LABEL: test_fp: 47define void @test_fp(ptr %a) nounwind { 48entry: 49; CHECK: __atomic_exchange_16 50; CHECK32: __atomic_exchange 51 %0 = atomicrmw xchg ptr %a, fp128 0xL00000000000000004000900000000000 seq_cst 52; CHECK: __atomic_compare_exchange_16 53; CHECK32: __atomic_compare_exchange 54 %1 = atomicrmw fadd ptr %a, fp128 0xL00000000000000004000900000000000 seq_cst 55; CHECK: __atomic_compare_exchange_16 56; CHECK32: __atomic_compare_exchange 57 %2 = atomicrmw fsub ptr %a, fp128 0xL00000000000000004000900000000000 seq_cst 58; CHECK: __atomic_load_16 59; CHECK32: __atomic_load 60 %3 = load atomic fp128, ptr %a seq_cst, align 16 61; CHECK: __atomic_store_16 62; CHECK32: __atomic_store 63 store atomic fp128 %3, ptr %a seq_cst, align 16 64 ret void 65} 66