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; RUN: llc -mtriple=aarch64 -mattr=+v8.9a --global-isel=0 < %s | FileCheck %s
; RUN: llc -mtriple=aarch64 -mattr=+v8.9a --global-isel=1 --global-isel-abort=1 < %s | FileCheck %s
@a = internal global ptr null, align 8
@b = external global ptr, align 8
define void @test(ptr %i, i32 %j) nounwind ssp {
entry:
; CHECK-LABEL: @test
%j.addr = alloca i32, align 4
store i32 %j, ptr %j.addr, align 4, !tbaa !0
%tmp = bitcast ptr %j.addr to ptr
%i.next = getelementptr i8, ptr %i, i64 2
; Verify prefetching works for all the different kinds of pointers we might
; want to prefetch.
; CHECK: prfm pldl1keep,
call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 0, i32 0, i32 1)
; CHECK: prfum pldl1keep,
call void @llvm.aarch64.prefetch(ptr %tmp, i32 0, i32 0, i32 0, i32 1)
; CHECK: prfm pldl1keep,
call void @llvm.aarch64.prefetch(ptr %i, i32 0, i32 0, i32 0, i32 1)
; CHECK: prfum pldl1keep,
call void @llvm.aarch64.prefetch(ptr %i.next, i32 0, i32 0, i32 0, i32 1)
; CHECK: prfm pldl1keep,
call void @llvm.aarch64.prefetch(ptr @a, i32 0, i32 0, i32 0, i32 1)
; CHECK: prfm pldl1keep,
call void @llvm.aarch64.prefetch(ptr @b, i32 0, i32 0, i32 0, i32 1)
; Verify that we can generate every single valid prefetch value.
; CHECK: prfm pstl1keep,
call void @llvm.aarch64.prefetch(ptr null, i32 1, i32 0, i32 0, i32 1)
; CHECK: prfm pldl2keep,
call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 1, i32 0, i32 1)
; CHECK: prfm pldl3keep,
call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 2, i32 0, i32 1)
; CHECK: prfm pldslckeep,
call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 3, i32 0, i32 1)
; CHECK: prfm pldl1strm,
call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 0, i32 1, i32 1)
; CHECK: prfm plil1keep,
call void @llvm.aarch64.prefetch(ptr null, i32 0, i32 0, i32 0, i32 0)
ret void
}
declare void @llvm.aarch64.prefetch(ptr readonly, i32 immarg, i32 immarg, i32 immarg, i32 immarg) #0
attributes #0 = { inaccessiblemem_or_argmemonly nounwind willreturn }
!0 = !{!"int", !1}
!1 = !{!"omnipotent char", !2}
!2 = !{!"Simple C/C++ TBAA"}
!3 = !{!"any pointer", !1}
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