1; RUN: llc < %s -march=bpfel -verify-machineinstrs -show-mc-encoding | FileCheck %s 2; RUN: llc < %s -march=bpfel -verify-machineinstrs -show-mc-encoding -mcpu=v3 | FileCheck --check-prefix=CHECK-V3 %s 3 4; CHECK-LABEL: test_load_add_32 5; CHECK: lock *(u32 *)(r1 + 0) += r2 6; CHECK: encoding: [0xc3,0x21 7; CHECK-V3: lock *(u32 *)(r1 + 0) += w2 8; CHECK-V3: encoding: [0xc3,0x21,0x00,0x00,0x00,0x00,0x00,0x00] 9define void @test_load_add_32(i32* %p, i32 zeroext %v) { 10entry: 11 atomicrmw add i32* %p, i32 %v seq_cst 12 ret void 13} 14 15; CHECK-LABEL: test_load_add_64 16; CHECK: lock *(u64 *)(r1 + 0) += r2 17; CHECK: encoding: [0xdb,0x21 18; CHECK-V3: lock *(u64 *)(r1 + 0) += r2 19; CHECK-V3: encoding: [0xdb,0x21,0x00,0x00,0x00,0x00,0x00,0x00] 20define void @test_load_add_64(i64* %p, i64 zeroext %v) { 21entry: 22 atomicrmw add i64* %p, i64 %v seq_cst 23 ret void 24} 25