| ; RUN: opt -mcpu=kryo -loop-simplify -loop-data-prefetch -max-prefetch-iters-ahead=1000 -min-prefetch-stride=16 -S < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64-unknown-linux-gnu" |
| |
| %struct._Chv = type { i32, i32, i32, i32, i32, i32, i32*, i32*, double*, %struct._DV, %struct._Chv* } |
| %struct._DV = type { i32, i32, i32, double* } |
| |
| declare double* @f_entries() local_unnamed_addr |
| |
| define i32 @f(%struct._Chv* %chv, i32 %npivot, i32* %pivotsizes, i32* %sizes) local_unnamed_addr { |
| if.end: |
| switch i32 undef, label %sw.default [ |
| i32 1, label %sw.epilog |
| i32 3, label %sw.epilog |
| i32 4, label %sw.epilog |
| i32 5, label %sw.epilog |
| i32 6, label %sw.epilog |
| i32 7, label %sw.epilog |
| ] |
| |
| sw.default: ; preds = %if.end |
| unreachable |
| |
| sw.epilog: ; preds = %if.end, %if.end, %if.end, %if.end, %if.end, %if.end |
| br label %if.end12 |
| |
| if.end12: ; preds = %sw.epilog |
| %nD13 = getelementptr inbounds %struct._Chv, %struct._Chv* %chv, i64 0, i32 1 |
| %0 = load i32, i32* %nD13, align 4 |
| %nU15 = getelementptr inbounds %struct._Chv, %struct._Chv* %chv, i64 0, i32 3 |
| %1 = load i32, i32* %nU15, align 4 |
| %add17 = add i32 %1, %0 |
| %call18 = call double* @f_entries() |
| switch i32 undef, label %sw.epilog2454 [ |
| i32 3, label %sw.bb213 |
| ] |
| |
| sw.bb213: ; preds = %if.end12 |
| switch i32 undef, label %sw.epilog2454 [ |
| i32 0, label %sw.bb214 |
| ] |
| |
| sw.bb214: ; preds = %sw.bb213 |
| br label %if.then220 |
| |
| if.then220: ; preds = %sw.bb214 |
| %type230 = getelementptr inbounds %struct._Chv, %struct._Chv* %chv, i64 0, i32 4 |
| %2 = load i32, i32* %type230, align 8 |
| br label %if.else319 |
| |
| if.else319: ; preds = %if.then220 |
| switch i32 %2, label %sw.epilog2454 [ |
| i32 2, label %for.cond372.preheader |
| ] |
| |
| for.cond372.preheader: ; preds = %if.else319 |
| %cmp3734342 = icmp sgt i32 %npivot, 0 |
| br i1 %cmp3734342, label %for.body374.lr.ph, label %sw.epilog2454 |
| |
| for.body374.lr.ph: ; preds = %for.cond372.preheader |
| br label %for.body374 |
| |
| for.body374: ; preds = %for.body374.lr.ph |
| %arrayidx376 = getelementptr inbounds i32, i32* %pivotsizes, i64 0 |
| %3 = load i32, i32* %arrayidx376, align 4 |
| %add377 = add i32 %3, 0 |
| br label %for.body381.lr.ph |
| |
| for.body381.lr.ph: ; preds = %for.body374 |
| %cmp3874327 = icmp slt i32 %add377, %add17 |
| br i1 %cmp3874327, label %for.body381.us, label %for.body381.preheader |
| |
| for.body381.preheader: ; preds = %for.body381.lr.ph |
| ret i32 undef |
| |
| for.body381.us: ; preds = %for.cond386.for.end421_crit_edge.us, %for.body381.lr.ph |
| %indvars.iv4991.us = phi i64 [ %indvars.iv.next4992.us, %for.cond386.for.end421_crit_edge.us ], [ undef, %for.body381.lr.ph ] |
| %stride226.54337.us = phi i32 [ %dec423.us, %for.cond386.for.end421_crit_edge.us ], [ %add17, %for.body381.lr.ph ] |
| %kstart225.54336.us = phi i32 [ %add422.us, %for.cond386.for.end421_crit_edge.us ], [ 0, %for.body381.lr.ph ] |
| %4 = trunc i64 %indvars.iv4991.us to i32 |
| %5 = xor i32 %4, -1 |
| %add382.us = add i32 %add377, %5 |
| %sub383.us = add i32 %add382.us, %kstart225.54336.us |
| br label %for.body388.us |
| |
| ; CHECK: for.body388.us: |
| ; CHECK: call void @llvm.prefetch |
| for.body388.us: ; preds = %for.inc418.us, %for.body381.us |
| %kk224.3.in4330.us = phi i32 [ %sub383.us, %for.body381.us ], [ %kk224.3.us, %for.inc418.us ] |
| %jj223.34329.us = phi i32 [ %add377, %for.body381.us ], [ %inc419.us, %for.inc418.us ] |
| %kk224.3.us = add nsw i32 %kk224.3.in4330.us, 1 |
| %mul389.us = shl nsw i32 %kk224.3.us, 1 |
| %idxprom390.us = sext i32 %mul389.us to i64 |
| %arrayidx391.us = getelementptr inbounds double, double* %call18, i64 %idxprom390.us |
| %6 = load double, double* %arrayidx391.us, align 8 |
| %call396.us = call double @Zabs(double %6) |
| br label %for.inc418.us |
| |
| for.inc418.us: ; preds = %for.body388.us |
| %inc419.us = add nsw i32 %jj223.34329.us, 1 |
| %cmp387.us = icmp slt i32 %inc419.us, %add17 |
| br i1 %cmp387.us, label %for.body388.us, label %for.cond386.for.end421_crit_edge.us |
| |
| for.cond386.for.end421_crit_edge.us: ; preds = %for.inc418.us |
| %add422.us = add nsw i32 %kstart225.54336.us, %stride226.54337.us |
| %dec423.us = add nsw i32 %stride226.54337.us, -1 |
| %indvars.iv.next4992.us = add nsw i64 %indvars.iv4991.us, 1 |
| br label %for.body381.us |
| |
| sw.epilog2454: ; preds = %for.cond372.preheader, %if.else319, %sw.bb213, %if.end12 |
| ret i32 0 |
| } |
| |
| declare double @llvm.fabs.f64(double) |
| declare dso_local double @Zabs(double) local_unnamed_addr |
| declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) |
| |