| ; RUN: opt -passes=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(ptr noalias nocapture %dst, i32 %dst_stride, ptr 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, ptr %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 ptr [ %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 ptr [ %add.ptr.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %dst, %for.cond1.preheader.us.preheader ] |
| %srcp.056.us = getelementptr inbounds i8, ptr %srcp.056.us.pn, i64 %idxprom |
| %.pre60 = load i8, ptr %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, ptr %srcp.056.us.pn, i64 %indvars.iv.next |
| %2 = load i8, ptr %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, ptr %srcp.056.us, i64 %indvars.iv.next |
| %3 = load i8, ptr %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, ptr %dst.addr.054.us, i64 %indvars.iv |
| store i8 %conv24.us, ptr %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, ptr %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(ptr noalias nocapture %dst, i32 %dst_stride, ptr 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, ptr %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 ptr [ %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 ptr [ %add.ptr.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ %dst, %for.cond1.preheader.us.preheader ] |
| %srcp.056.us = getelementptr inbounds i8, ptr %srcp.056.us.pn, i64 %idxprom |
| %.pre60 = load i8, ptr %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, ptr %srcp.056.us.pn, i64 %indvars.iv.next |
| %2 = load i8, ptr %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, ptr %srcp.056.us, i64 %indvars.iv.next |
| %3 = load i8, ptr %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, ptr %dst.addr.054.us, i64 %indvars.iv |
| store i8 %conv24.us, ptr %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, ptr %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"} |