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