; RUN: opt -loop-unroll-and-jam -unroll-runtime -unroll-partial-threshold=60 < %s -S | FileCheck %s ; RUN: opt -aa-pipeline=tbaa,basic-aa -passes='loop-unroll-and-jam' -unroll-runtime -unroll-partial-threshold=60 < %s -S | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; CHECK-LABEL: function ; The explicit metadata here should force this to be unroll and jammed 4 times (hence the %.pre60.3) ; CHECK: %.pre = phi i8 [ %.pre60.3, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %.pre.pre, %for.cond1.preheader.us.preheader.new ] ; CHECK: %indvars.iv.3 = phi i64 [ 0, %for.cond1.preheader.us ], [ %indvars.iv.next.3, %for.body4.us ] define void @function(i8* noalias nocapture %dst, i32 %dst_stride, i8* noalias nocapture readonly %src, i32 %src_stride, i32 %A, i32 %B, i32 %C, i32 %D, i32 %width, i32 %height) { entry: %idxprom = sext i32 %src_stride to i64 %cmp52 = icmp sgt i32 %height, 0 br i1 %cmp52, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp249 = icmp sgt i32 %width, 0 %idx.ext = sext i32 %dst_stride to i64 br i1 %cmp249, label %for.cond1.preheader.us.preheader, label %for.cond.cleanup for.cond1.preheader.us.preheader: ; preds = %for.cond1.preheader.lr.ph %.pre.pre = load i8, i8* %src, align 1 %wide.trip.count = zext i32 %width to i64 br label %for.cond1.preheader.us for.cond1.preheader.us: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.us.preheader %.pre = phi i8 [ %.pre60, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %.pre.pre, %for.cond1.preheader.us.preheader ] %srcp.056.us.pn = phi i8* [ %srcp.056.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %src, %for.cond1.preheader.us.preheader ] %y.055.us = phi i32 [ %inc30.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ 0, %for.cond1.preheader.us.preheader ] %dst.addr.054.us = phi i8* [ %add.ptr.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %dst, %for.cond1.preheader.us.preheader ] %srcp.056.us = getelementptr inbounds i8, i8* %srcp.056.us.pn, i64 %idxprom %.pre60 = load i8, i8* %srcp.056.us, align 1 br label %for.body4.us for.body4.us: ; preds = %for.body4.us, %for.cond1.preheader.us %0 = phi i8 [ %.pre60, %for.cond1.preheader.us ], [ %3, %for.body4.us ] %1 = phi i8 [ %.pre, %for.cond1.preheader.us ], [ %2, %for.body4.us ] %indvars.iv = phi i64 [ 0, %for.cond1.preheader.us ], [ %indvars.iv.next, %for.body4.us ] %conv.us = zext i8 %1 to i32 %mul.us = mul nsw i32 %conv.us, %A %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %arrayidx8.us = getelementptr inbounds i8, i8* %srcp.056.us.pn, i64 %indvars.iv.next %2 = load i8, i8* %arrayidx8.us, align 1 %conv9.us = zext i8 %2 to i32 %mul10.us = mul nsw i32 %conv9.us, %B %conv14.us = zext i8 %0 to i32 %mul15.us = mul nsw i32 %conv14.us, %C %arrayidx19.us = getelementptr inbounds i8, i8* %srcp.056.us, i64 %indvars.iv.next %3 = load i8, i8* %arrayidx19.us, align 1 %conv20.us = zext i8 %3 to i32 %mul21.us = mul nsw i32 %conv20.us, %D %add11.us = add i32 %mul.us, 32 %add16.us = add i32 %add11.us, %mul10.us %add22.us = add i32 %add16.us, %mul15.us %add23.us = add i32 %add22.us, %mul21.us %4 = lshr i32 %add23.us, 6 %conv24.us = trunc i32 %4 to i8 %arrayidx26.us = getelementptr inbounds i8, i8* %dst.addr.054.us, i64 %indvars.iv store i8 %conv24.us, i8* %arrayidx26.us, align 1 %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count br i1 %exitcond, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us %add.ptr.us = getelementptr inbounds i8, i8* %dst.addr.054.us, i64 %idx.ext %inc30.us = add nuw nsw i32 %y.055.us, 1 %exitcond58 = icmp eq i32 %inc30.us, %height br i1 %exitcond58, label %for.cond.cleanup, label %for.cond1.preheader.us, !llvm.loop !5 for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.lr.ph, %entry ret void } ; CHECK-LABEL: function2 ; The explicit metadata here should force this to be unroll and jammed, but ; the count is left to thresholds. In this case 2 (hence %.pre60.1). ; CHECK: %.pre = phi i8 [ %.pre60.1, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %.pre.pre, %for.cond1.preheader.us.preheader.new ] ; CHECK: %indvars.iv.1 = phi i64 [ 0, %for.cond1.preheader.us ], [ %indvars.iv.next.1, %for.body4.us ] define void @function2(i8* noalias nocapture %dst, i32 %dst_stride, i8* noalias nocapture readonly %src, i32 %src_stride, i32 %A, i32 %B, i32 %C, i32 %D, i32 %width, i32 %height) { entry: %idxprom = sext i32 %src_stride to i64 %cmp52 = icmp sgt i32 %height, 0 br i1 %cmp52, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp249 = icmp sgt i32 %width, 0 %idx.ext = sext i32 %dst_stride to i64 br i1 %cmp249, label %for.cond1.preheader.us.preheader, label %for.cond.cleanup for.cond1.preheader.us.preheader: ; preds = %for.cond1.preheader.lr.ph %.pre.pre = load i8, i8* %src, align 1 %wide.trip.count = zext i32 %width to i64 br label %for.cond1.preheader.us for.cond1.preheader.us: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.us.preheader %.pre = phi i8 [ %.pre60, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %.pre.pre, %for.cond1.preheader.us.preheader ] %srcp.056.us.pn = phi i8* [ %srcp.056.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %src, %for.cond1.preheader.us.preheader ] %y.055.us = phi i32 [ %inc30.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ 0, %for.cond1.preheader.us.preheader ] %dst.addr.054.us = phi i8* [ %add.ptr.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %dst, %for.cond1.preheader.us.preheader ] %srcp.056.us = getelementptr inbounds i8, i8* %srcp.056.us.pn, i64 %idxprom %.pre60 = load i8, i8* %srcp.056.us, align 1 br label %for.body4.us for.body4.us: ; preds = %for.body4.us, %for.cond1.preheader.us %0 = phi i8 [ %.pre60, %for.cond1.preheader.us ], [ %3, %for.body4.us ] %1 = phi i8 [ %.pre, %for.cond1.preheader.us ], [ %2, %for.body4.us ] %indvars.iv = phi i64 [ 0, %for.cond1.preheader.us ], [ %indvars.iv.next, %for.body4.us ] %conv.us = zext i8 %1 to i32 %mul.us = mul nsw i32 %conv.us, %A %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %arrayidx8.us = getelementptr inbounds i8, i8* %srcp.056.us.pn, i64 %indvars.iv.next %2 = load i8, i8* %arrayidx8.us, align 1 %conv9.us = zext i8 %2 to i32 %mul10.us = mul nsw i32 %conv9.us, %B %conv14.us = zext i8 %0 to i32 %mul15.us = mul nsw i32 %conv14.us, %C %arrayidx19.us = getelementptr inbounds i8, i8* %srcp.056.us, i64 %indvars.iv.next %3 = load i8, i8* %arrayidx19.us, align 1 %conv20.us = zext i8 %3 to i32 %mul21.us = mul nsw i32 %conv20.us, %D %add11.us = add i32 %mul.us, 32 %add16.us = add i32 %add11.us, %mul10.us %add22.us = add i32 %add16.us, %mul15.us %add23.us = add i32 %add22.us, %mul21.us %4 = lshr i32 %add23.us, 6 %conv24.us = trunc i32 %4 to i8 %arrayidx26.us = getelementptr inbounds i8, i8* %dst.addr.054.us, i64 %indvars.iv store i8 %conv24.us, i8* %arrayidx26.us, align 1 %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count br i1 %exitcond, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us %add.ptr.us = getelementptr inbounds i8, i8* %dst.addr.054.us, i64 %idx.ext %inc30.us = add nuw nsw i32 %y.055.us, 1 %exitcond58 = icmp eq i32 %inc30.us, %height br i1 %exitcond58, label %for.cond.cleanup, label %for.cond1.preheader.us, !llvm.loop !7 for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.lr.ph, %entry ret void } !5 = distinct !{!5, !6} !6 = !{!"llvm.loop.unroll_and_jam.count", i32 4} !7 = distinct !{!7, !8} !8 = !{!"llvm.loop.unroll_and_jam.enable"}