| ; RUN: llc < %s | FileCheck %s |
| |
| ; grep 'Spill' |sed 's%.*\(-[0-9]\+(\%rsp)\).*%\1%g' |sort |uniq -d |awk '{if (/rsp/); exit -1}' |
| ; Check no spills to the same stack slot after hoisting. |
| ; CHECK: mov{{.}} %{{.*}}, [[SPOFFSET1:-?[0-9]*]](%rsp) |
| ; CHECK: mov{{.}} %{{.*}}, [[SPOFFSET2:-?[0-9]*]](%rsp) |
| ; CHECK: mov{{.}} %{{.*}}, [[SPOFFSET3:-?[0-9]*]](%rsp) |
| ; CHECK-NOT: mov{{.}} %{{.*}}, [[SPOFFSET1]](%rsp) |
| ; CHECK-NOT: mov{{.}} %{{.*}}, [[SPOFFSET2]](%rsp) |
| ; CHECK-NOT: mov{{.}} %{{.*}}, [[SPOFFSET3]](%rsp) |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @a = external global i32*, align 8 |
| @b = external global i32, align 4 |
| @d = external global i32*, align 8 |
| |
| ; Function Attrs: norecurse noreturn nounwind uwtable |
| define void @fn1(i32 %p1) { |
| entry: |
| %tmp = load i32*, i32** @d, align 8 |
| %tmp1 = load i32*, i32** @a, align 8 |
| %tmp2 = sext i32 %p1 to i64 |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc14, %entry |
| %indvar = phi i32 [ %indvar.next, %for.inc14 ], [ 0, %entry ] |
| %indvars.iv30.in = phi i32 [ %indvars.iv30, %for.inc14 ], [ %p1, %entry ] |
| %c.0 = phi i32 [ %inc15, %for.inc14 ], [ 1, %entry ] |
| %k.0 = phi i32 [ %k.1.lcssa, %for.inc14 ], [ undef, %entry ] |
| %tmp3 = icmp sgt i32 undef, 0 |
| %smax52 = select i1 %tmp3, i32 undef, i32 0 |
| %tmp4 = zext i32 %smax52 to i64 |
| %tmp5 = icmp sgt i64 undef, %tmp4 |
| %smax53 = select i1 %tmp5, i64 undef, i64 %tmp4 |
| %tmp6 = add nsw i64 %smax53, 1 |
| %tmp7 = sub nsw i64 %tmp6, %tmp4 |
| %tmp8 = add nsw i64 %tmp7, -8 |
| %tmp9 = sub i32 undef, %indvar |
| %tmp10 = icmp sgt i64 %tmp2, 0 |
| %smax40 = select i1 %tmp10, i64 %tmp2, i64 0 |
| %scevgep41 = getelementptr i32, i32* %tmp1, i64 %smax40 |
| %indvars.iv30 = add i32 %indvars.iv30.in, -1 |
| %tmp11 = icmp sgt i32 %indvars.iv30, 0 |
| %smax = select i1 %tmp11, i32 %indvars.iv30, i32 0 |
| %tmp12 = zext i32 %smax to i64 |
| %sub = sub nsw i32 %p1, %c.0 |
| %cmp = icmp sgt i32 %sub, 0 |
| %sub. = select i1 %cmp, i32 %sub, i32 0 |
| %cmp326 = icmp sgt i32 %k.0, %p1 |
| br i1 %cmp326, label %for.cond4.preheader, label %for.body.preheader |
| |
| for.body.preheader: ; preds = %for.cond |
| br label %for.body |
| |
| for.cond4.preheader: ; preds = %for.body, %for.cond |
| %k.1.lcssa = phi i32 [ %k.0, %for.cond ], [ %add, %for.body ] |
| %cmp528 = icmp sgt i32 %sub., %p1 |
| br i1 %cmp528, label %for.inc14, label %for.body6.preheader |
| |
| for.body6.preheader: ; preds = %for.cond4.preheader |
| br i1 undef, label %for.body6, label %min.iters.checked |
| |
| min.iters.checked: ; preds = %for.body6.preheader |
| br i1 undef, label %for.body6, label %vector.memcheck |
| |
| vector.memcheck: ; preds = %min.iters.checked |
| %bound1 = icmp ule i32* undef, %scevgep41 |
| %memcheck.conflict = and i1 undef, %bound1 |
| br i1 %memcheck.conflict, label %for.body6, label %vector.body.preheader |
| |
| vector.body.preheader: ; preds = %vector.memcheck |
| %lcmp.mod = icmp eq i64 undef, 0 |
| br i1 %lcmp.mod, label %vector.body.preheader.split, label %vector.body.prol |
| |
| vector.body.prol: ; preds = %vector.body.prol, %vector.body.preheader |
| %prol.iter.cmp = icmp eq i64 undef, 0 |
| br i1 %prol.iter.cmp, label %vector.body.preheader.split, label %vector.body.prol |
| |
| vector.body.preheader.split: ; preds = %vector.body.prol, %vector.body.preheader |
| %tmp13 = icmp ult i64 %tmp8, 24 |
| br i1 %tmp13, label %middle.block, label %vector.body |
| |
| vector.body: ; preds = %vector.body, %vector.body.preheader.split |
| %index = phi i64 [ %index.next.3, %vector.body ], [ 0, %vector.body.preheader.split ] |
| %index.next = add i64 %index, 8 |
| %offset.idx.1 = add i64 %tmp12, %index.next |
| %tmp14 = getelementptr inbounds i32, i32* %tmp, i64 %offset.idx.1 |
| %tmp15 = bitcast i32* %tmp14 to <4 x i32>* |
| %wide.load.1 = load <4 x i32>, <4 x i32>* %tmp15, align 4 |
| %tmp16 = getelementptr inbounds i32, i32* %tmp1, i64 %offset.idx.1 |
| %tmp17 = bitcast i32* %tmp16 to <4 x i32>* |
| store <4 x i32> %wide.load.1, <4 x i32>* %tmp17, align 4 |
| %index.next.3 = add i64 %index, 32 |
| br i1 undef, label %middle.block, label %vector.body |
| |
| middle.block: ; preds = %vector.body, %vector.body.preheader.split |
| br i1 undef, label %for.inc14, label %for.body6 |
| |
| for.body: ; preds = %for.body, %for.body.preheader |
| %k.127 = phi i32 [ %k.0, %for.body.preheader ], [ %add, %for.body ] |
| %add = add nsw i32 %k.127, 1 |
| %tmp18 = load i32, i32* undef, align 4 |
| store i32 %tmp18, i32* @b, align 4 |
| br i1 undef, label %for.body, label %for.cond4.preheader |
| |
| for.body6: ; preds = %for.body6, %middle.block, %vector.memcheck, %min.iters.checked, %for.body6.preheader |
| %indvars.iv32 = phi i64 [ undef, %for.body6 ], [ %tmp12, %vector.memcheck ], [ %tmp12, %min.iters.checked ], [ %tmp12, %for.body6.preheader ], [ undef, %middle.block ] |
| %arrayidx8 = getelementptr inbounds i32, i32* %tmp, i64 %indvars.iv32 |
| %tmp19 = load i32, i32* %arrayidx8, align 4 |
| %arrayidx10 = getelementptr inbounds i32, i32* %tmp1, i64 %indvars.iv32 |
| store i32 %tmp19, i32* %arrayidx10, align 4 |
| %cmp5 = icmp slt i64 %indvars.iv32, undef |
| br i1 %cmp5, label %for.body6, label %for.inc14 |
| |
| for.inc14: ; preds = %for.body6, %middle.block, %for.cond4.preheader |
| %inc15 = add nuw nsw i32 %c.0, 1 |
| %indvar.next = add i32 %indvar, 1 |
| br label %for.cond |
| } |