; RUN: llc < %s | FileCheck %s ; Check no spills to the same stack slot after hoisting. ; CHECK: mov{{.}} %{{.*}}, [[SPOFFSET1:-?[0-9]*]](%rsp) ; CHECK: mov{{.}} %{{.*}}, [[SPOFFSET2:-?[0-9]*]](%rsp) ; CHECK-NOT: mov{{.}} %{{.*}}, [[SPOFFSET1]](%rsp) ; CHECK-NOT: mov{{.}} %{{.*}}, [[SPOFFSET2]](%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 ptr, align 8 @b = external global i32, align 4 @d = external global ptr, align 8 ; Function Attrs: norecurse noreturn nounwind uwtable define void @fn1(i32 %p1, i32 %p2, i64 %p3) { entry: %tmp = load ptr, ptr @d, align 8 %tmp1 = load ptr, ptr @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 %p2, 0 %smax52 = select i1 %tmp3, i32 %c.0, i32 0 %tmp4 = zext i32 %smax52 to i64 %tmp5 = icmp sgt i64 %p3, %tmp4 %smax53 = select i1 %tmp5, i64 %tmp2, 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, ptr %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.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 ptr 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, ptr %tmp, i64 %offset.idx.1 %wide.load.1 = load <4 x i32>, ptr %tmp14, align 4 %tmp16 = getelementptr inbounds i32, ptr %tmp1, i64 %offset.idx.1 store <4 x i32> %wide.load.1, ptr %tmp16, 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.preheader: ; preds = %for.cond br label %for.body 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, ptr undef, align 4 store i32 %tmp18, ptr @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, ptr %tmp, i64 %indvars.iv32 %tmp19 = load i32, ptr %arrayidx8, align 4 %arrayidx10 = getelementptr inbounds i32, ptr %tmp1, i64 %indvars.iv32 store i32 %tmp19, ptr %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 }