; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s
; RUN: llc -O0 --global-isel-abort=1 < %s -mtriple=arm64-eabi | FileCheck %s
@a = common global ptr null, align 8
define void @test(i32 %i, i32 %j) nounwind ssp {
entry:
; CHECK: @test
%j.addr = alloca i32, align 4
store i32 %j, ptr %j.addr, align 4, !tbaa !0
; CHECK: prfum pldl1strm
call void @llvm.prefetch(ptr %j.addr, i32 0, i32 0, i32 1)
; CHECK: prfum pldl3keep
call void @llvm.prefetch(ptr %j.addr, i32 0, i32 1, i32 1)
; CHECK: prfum pldl2keep
call void @llvm.prefetch(ptr %j.addr, i32 0, i32 2, i32 1)
; CHECK: prfum pldl1keep
call void @llvm.prefetch(ptr %j.addr, i32 0, i32 3, i32 1)
; CHECK: prfum plil1strm
call void @llvm.prefetch(ptr %j.addr, i32 0, i32 0, i32 0)
; CHECK: prfum plil3keep
call void @llvm.prefetch(ptr %j.addr, i32 0, i32 1, i32 0)
; CHECK: prfum plil2keep
call void @llvm.prefetch(ptr %j.addr, i32 0, i32 2, i32 0)
; CHECK: prfum plil1keep
call void @llvm.prefetch(ptr %j.addr, i32 0, i32 3, i32 0)
; CHECK: prfum pstl1strm
call void @llvm.prefetch(ptr %j.addr, i32 1, i32 0, i32 1)
; CHECK: prfum pstl3keep
call void @llvm.prefetch(ptr %j.addr, i32 1, i32 1, i32 1)
; CHECK: prfum pstl2keep
call void @llvm.prefetch(ptr %j.addr, i32 1, i32 2, i32 1)
; CHECK: prfum pstl1keep
call void @llvm.prefetch(ptr %j.addr, i32 1, i32 3, i32 1)
%tmp1 = load i32, ptr %j.addr, align 4, !tbaa !0
%add = add nsw i32 %tmp1, %i
%idxprom = sext i32 %add to i64
%tmp2 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx = getelementptr inbounds i32, ptr %tmp2, i64 %idxprom
; CHECK: prfm pldl1strm
call void @llvm.prefetch(ptr %arrayidx, i32 0, i32 0, i32 1)
%tmp4 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx3 = getelementptr inbounds i32, ptr %tmp4, i64 %idxprom
; CHECK: prfm pldl3keep
call void @llvm.prefetch(ptr %arrayidx3, i32 0, i32 1, i32 1)
%tmp6 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx6 = getelementptr inbounds i32, ptr %tmp6, i64 %idxprom
; CHECK: prfm pldl2keep
call void @llvm.prefetch(ptr %arrayidx6, i32 0, i32 2, i32 1)
%tmp8 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx9 = getelementptr inbounds i32, ptr %tmp8, i64 %idxprom
; CHECK: prfm pldl1keep
call void @llvm.prefetch(ptr %arrayidx9, i32 0, i32 3, i32 1)
%tmp10 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx12 = getelementptr inbounds i32, ptr %tmp10, i64 %idxprom
; CHECK: prfm plil1strm
call void @llvm.prefetch(ptr %arrayidx12, i32 0, i32 0, i32 0)
%tmp12 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx15 = getelementptr inbounds i32, ptr %tmp12, i64 %idxprom
; CHECK: prfm plil3keep
call void @llvm.prefetch(ptr %arrayidx3, i32 0, i32 1, i32 0)
%tmp14 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx18 = getelementptr inbounds i32, ptr %tmp14, i64 %idxprom
; CHECK: prfm plil2keep
call void @llvm.prefetch(ptr %arrayidx6, i32 0, i32 2, i32 0)
%tmp16 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx21 = getelementptr inbounds i32, ptr %tmp16, i64 %idxprom
; CHECK: prfm plil1keep
call void @llvm.prefetch(ptr %arrayidx9, i32 0, i32 3, i32 0)
%tmp18 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx24 = getelementptr inbounds i32, ptr %tmp18, i64 %idxprom
; CHECK: prfm pstl1strm
call void @llvm.prefetch(ptr %arrayidx12, i32 1, i32 0, i32 1)
%tmp20 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx27 = getelementptr inbounds i32, ptr %tmp20, i64 %idxprom
; CHECK: prfm pstl3keep
call void @llvm.prefetch(ptr %arrayidx15, i32 1, i32 1, i32 1)
%tmp22 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx30 = getelementptr inbounds i32, ptr %tmp22, i64 %idxprom
; CHECK: prfm pstl2keep
call void @llvm.prefetch(ptr %arrayidx18, i32 1, i32 2, i32 1)
%tmp24 = load ptr, ptr @a, align 8, !tbaa !3
%arrayidx33 = getelementptr inbounds i32, ptr %tmp24, i64 %idxprom
; CHECK: prfm pstl1keep
call void @llvm.prefetch(ptr %arrayidx21, i32 1, i32 3, i32 1)
ret void
}
declare void @llvm.prefetch(ptr nocapture, i32, i32, i32) nounwind
!0 = !{!"int", !1}
!1 = !{!"omnipotent char", !2}
!2 = !{!"Simple C/C++ TBAA"}
!3 = !{!"any pointer", !1}
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