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; RUN: llc -enable-ppc-prefetching=true -verify-machineinstrs < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64le-unknown-linux"
; Function Attrs: nounwind
define void @foo(ptr %x, ptr nocapture readonly %y) #0 {
entry:
%scevgep = getelementptr double, ptr %x, i64 1599
%scevgep20 = getelementptr double, ptr %y, i64 1599
br label %vector.memcheck
vector.memcheck: ; preds = %for.end, %entry
%j.015 = phi i32 [ 0, %entry ], [ %inc7, %for.end ]
%bound0 = icmp uge ptr %scevgep20, %x
%bound1 = icmp uge ptr %scevgep, %y
%memcheck.conflict = and i1 %bound0, %bound1
br i1 %memcheck.conflict, label %middle.block, label %vector.body
vector.body: ; preds = %vector.memcheck, %vector.body
%index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.memcheck ]
%0 = getelementptr inbounds double, ptr %y, i64 %index
%wide.load = load <4 x double>, ptr %0, align 8
%1 = fadd <4 x double> %wide.load, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
%2 = getelementptr inbounds double, ptr %x, i64 %index
store <4 x double> %1, ptr %2, align 8
%index.next = add i64 %index, 4
%3 = icmp eq i64 %index.next, 1600
br i1 %3, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body, %vector.memcheck
%resume.val = phi i1 [ false, %vector.memcheck ], [ true, %vector.body ]
%trunc.resume.val = phi i64 [ 0, %vector.memcheck ], [ 1600, %vector.body ]
br i1 %resume.val, label %for.end, label %for.body3
for.body3: ; preds = %middle.block, %for.body3
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ %trunc.resume.val, %middle.block ]
%arrayidx = getelementptr inbounds double, ptr %y, i64 %indvars.iv
%4 = load double, ptr %arrayidx, align 8
%add = fadd double %4, 1.000000e+00
%arrayidx5 = getelementptr inbounds double, ptr %x, i64 %indvars.iv
store double %add, ptr %arrayidx5, align 8
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 1600
br i1 %exitcond, label %for.end, label %for.body3
for.end: ; preds = %middle.block, %for.body3
tail call void @bar(ptr %x) #2
%inc7 = add nuw nsw i32 %j.015, 1
%exitcond16 = icmp eq i32 %inc7, 100
br i1 %exitcond16, label %for.end8, label %vector.memcheck
for.end8: ; preds = %for.end
ret void
; CHECK-LABEL: @foo
; CHECK: dcbt
}
declare void @bar(ptr) #1
attributes #0 = { nounwind "target-cpu"="a2q" }
attributes #1 = { "target-cpu"="a2q" }
attributes #2 = { nounwind }
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