1; RUN: llc -mtriple=aarch64 -mattr=+v8.9a --global-isel=0 < %s | FileCheck %s 2; RUN: llc -mtriple=aarch64 -mattr=+v8.9a --global-isel=1 --global-isel-abort=1 < %s | FileCheck %s 3 4@a = internal global ptr null, align 8 5@b = external global ptr, align 8 6 7define void @test(ptr %i, i32 %j) nounwind ssp { 8entry: 9 ; CHECK-LABEL: @test 10 %j.addr = alloca i32, align 4 11 store i32 %j, ptr %j.addr, align 4, !tbaa !0 12 %tmp = bitcast ptr %j.addr to ptr 13 14 %i.next = getelementptr i8, ptr %i, i64 2 15 16 ; Verify prefetching works for all the different kinds of pointers we might 17 ; want to prefetch. 18 19 ; CHECK: prfm pldl1keep, 20 call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 0, i32 0, i32 1) 21 22 ; CHECK: prfum pldl1keep, 23 call void @llvm.aarch64.prefetch(ptr %tmp, i32 0, i32 0, i32 0, i32 1) 24 25 ; CHECK: prfm pldl1keep, 26 call void @llvm.aarch64.prefetch(ptr %i, i32 0, i32 0, i32 0, i32 1) 27 28 ; CHECK: prfum pldl1keep, 29 call void @llvm.aarch64.prefetch(ptr %i.next, i32 0, i32 0, i32 0, i32 1) 30 31 ; CHECK: prfm pldl1keep, 32 call void @llvm.aarch64.prefetch(ptr @a, i32 0, i32 0, i32 0, i32 1) 33 34 ; CHECK: prfm pldl1keep, 35 call void @llvm.aarch64.prefetch(ptr @b, i32 0, i32 0, i32 0, i32 1) 36 37 ; Verify that we can generate every single valid prefetch value. 38 39 ; CHECK: prfm pstl1keep, 40 call void @llvm.aarch64.prefetch(ptr null, i32 1, i32 0, i32 0, i32 1) 41 42 ; CHECK: prfm pldl2keep, 43 call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 1, i32 0, i32 1) 44 45 ; CHECK: prfm pldl3keep, 46 call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 2, i32 0, i32 1) 47 48 ; CHECK: prfm pldslckeep, 49 call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 3, i32 0, i32 1) 50 51 ; CHECK: prfm pldl1strm, 52 call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 0, i32 1, i32 1) 53 54 ; CHECK: prfm plil1keep, 55 call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 0, i32 0, i32 0) 56 57 ret void 58} 59 60declare void @llvm.aarch64.prefetch(ptr readonly, i32 immarg, i32 immarg, i32 immarg, i32 immarg) #0 61 62attributes #0 = { inaccessiblemem_or_argmemonly nounwind willreturn } 63 64!0 = !{!"int", !1} 65!1 = !{!"omnipotent char", !2} 66!2 = !{!"Simple C/C++ TBAA"} 67!3 = !{!"any pointer", !1} 68