dag-update-nodetomatch.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
%struct.i = type { i32, i24 }
%struct.m = type { %struct.i }
@a = local_unnamed_addr global i32 0, align 4
@b = local_unnamed_addr global i16 0, align 2
@c = local_unnamed_addr global i16 0, align 2
@e = local_unnamed_addr global i16 0, align 2
@l = local_unnamed_addr global %struct.i zeroinitializer, align 4
@k = local_unnamed_addr global %struct.m zeroinitializer, align 4
@x0 = local_unnamed_addr global double 0.000000e+00, align 8
@x1 = local_unnamed_addr global i32 0, align 4
@x2 = local_unnamed_addr global i32 0, align 4
@x3 = local_unnamed_addr global i32 0, align 4
@x4 = local_unnamed_addr global i32 0, align 4
@x5 = local_unnamed_addr global double* null, align 8
; Check that compiler does not crash.
; Test for PR30775
define void @_Z1nv() local_unnamed_addr {
; CHECK-LABEL: _Z1nv:
entry:
%bf.load = load i32, i32* bitcast (i24* getelementptr inbounds (%struct.m, %struct.m* @k, i64 0, i32 0, i32 1) to i32*), align 4
%0 = load i16, i16* @c, align 2
%conv = sext i16 %0 to i32
%1 = load i16, i16* @b, align 2
%conv1 = sext i16 %1 to i32
%2 = load i32, i32* @a, align 4
%tobool = icmp ne i32 %2, 0
%bf.load3 = load i32, i32* getelementptr inbounds (%struct.i, %struct.i* @l, i64 0, i32 0), align 4
%bf.shl = shl i32 %bf.load3, 7
%bf.ashr = ashr exact i32 %bf.shl, 7
%bf.clear = shl i32 %bf.load, 1
%factor = and i32 %bf.clear, 131070
%add13 = add nsw i32 %factor, %conv
%add15 = add nsw i32 %add13, %conv1
%bf.ashr.op = sub nsw i32 0, %bf.ashr
%add28 = select i1 %tobool, i32 %bf.ashr.op, i32 0
%tobool29 = icmp eq i32 %add15, %add28
%phitmp = icmp eq i32 %bf.ashr, 0
%.phitmp = or i1 %phitmp, %tobool29
%conv37 = zext i1 %.phitmp to i16
store i16 %conv37, i16* @e, align 2
%bf.clear39 = and i32 %bf.load, 65535
%factor53 = shl nuw nsw i32 %bf.clear39, 1
%add46 = add nsw i32 %factor53, %conv
%add48 = add nsw i32 %add46, %conv1
%add48.lobit = lshr i32 %add48, 31
%add48.lobit.not = xor i32 %add48.lobit, 1
%add51 = add nuw nsw i32 %add48.lobit.not, %bf.clear39
%shr = ashr i32 %2, %add51
%conv52 = trunc i32 %shr to i16
store i16 %conv52, i16* @b, align 2
ret void
}
; Test for PR31536
define void @_Z2x6v() local_unnamed_addr {
; CHECK-LABEL: _Z2x6v:
entry:
%0 = load i32, i32* @x1, align 4
%and = and i32 %0, 511
%add = add nuw nsw i32 %and, 1
store i32 %add, i32* @x4, align 4
%.pr = load i32, i32* @x3, align 4
%tobool8 = icmp eq i32 %.pr, 0
br i1 %tobool8, label %for.end5, label %for.cond1thread-pre-split.lr.ph
for.cond1thread-pre-split.lr.ph: ; preds = %entry
%idx.ext13 = zext i32 %add to i64
%x5.promoted = load double*, double** @x5, align 8
%x5.promoted9 = bitcast double* %x5.promoted to i8*
%1 = xor i32 %.pr, -1
%2 = zext i32 %1 to i64
%3 = shl nuw nsw i64 %2, 3
%4 = add nuw nsw i64 %3, 8
%5 = mul nuw nsw i64 %4, %idx.ext13
%uglygep = getelementptr i8, i8* %x5.promoted9, i64 %5
%.pr6.pre = load i32, i32* @x2, align 4
%6 = shl nuw nsw i32 %and, 3
%addconv = add nuw nsw i32 %6, 8
%7 = zext i32 %addconv to i64
%scevgep15 = getelementptr double, double* %x5.promoted, i64 1
%scevgep1516 = bitcast double* %scevgep15 to i8*
br label %for.cond1thread-pre-split
for.cond1thread-pre-split: ; preds = %for.cond1thread-pre-split.lr.ph, %for.inc3
%indvar = phi i64 [ 0, %for.cond1thread-pre-split.lr.ph ], [ %indvar.next, %for.inc3 ]
%.pr6 = phi i32 [ %.pr6.pre, %for.cond1thread-pre-split.lr.ph ], [ %.pr611, %for.inc3 ]
%8 = phi double* [ %x5.promoted, %for.cond1thread-pre-split.lr.ph ], [ %add.ptr, %for.inc3 ]
%9 = phi i32 [ %.pr, %for.cond1thread-pre-split.lr.ph ], [ %inc4, %for.inc3 ]
%10 = mul i64 %7, %indvar
%uglygep14 = getelementptr i8, i8* %x5.promoted9, i64 %10
%uglygep17 = getelementptr i8, i8* %scevgep1516, i64 %10
%cmp7 = icmp slt i32 %.pr6, 0
br i1 %cmp7, label %for.body2.preheader, label %for.inc3
for.body2.preheader: ; preds = %for.cond1thread-pre-split
%11 = sext i32 %.pr6 to i64
%12 = sext i32 %.pr6 to i64
%13 = icmp sgt i64 %12, -1
%smax = select i1 %13, i64 %12, i64 -1
%14 = add nsw i64 %smax, 1
%15 = sub nsw i64 %14, %12
%min.iters.check = icmp ult i64 %15, 4
br i1 %min.iters.check, label %for.body2.preheader21, label %min.iters.checked
min.iters.checked: ; preds = %for.body2.preheader
%n.vec = and i64 %15, -4
%cmp.zero = icmp eq i64 %n.vec, 0
br i1 %cmp.zero, label %for.body2.preheader21, label %vector.memcheck
vector.memcheck: ; preds = %min.iters.checked
%16 = shl nsw i64 %11, 3
%scevgep = getelementptr i8, i8* %uglygep14, i64 %16
%17 = icmp sgt i64 %11, -1
%smax18 = select i1 %17, i64 %11, i64 -1
%18 = shl nsw i64 %smax18, 3
%scevgep19 = getelementptr i8, i8* %uglygep17, i64 %18
%bound0 = icmp ult i8* %scevgep, bitcast (double* @x0 to i8*)
%bound1 = icmp ugt i8* %scevgep19, bitcast (double* @x0 to i8*)
%memcheck.conflict = and i1 %bound0, %bound1
%ind.end = add nsw i64 %11, %n.vec
br i1 %memcheck.conflict, label %for.body2.preheader21, label %vector.body.preheader
vector.body.preheader: ; preds = %vector.memcheck
%19 = add nsw i64 %n.vec, -4
%20 = lshr exact i64 %19, 2
%21 = and i64 %20, 1
%lcmp.mod = icmp eq i64 %21, 0
br i1 %lcmp.mod, label %vector.body.prol.preheader, label %vector.body.prol.loopexit.unr-lcssa
vector.body.prol.preheader: ; preds = %vector.body.preheader
br label %vector.body.prol
vector.body.prol: ; preds = %vector.body.prol.preheader
%22 = load i64, i64* bitcast (double* @x0 to i64*), align 8
%23 = insertelement <2 x i64> undef, i64 %22, i32 0
%24 = shufflevector <2 x i64> %23, <2 x i64> undef, <2 x i32> zeroinitializer
%25 = insertelement <2 x i64> undef, i64 %22, i32 0
%26 = shufflevector <2 x i64> %25, <2 x i64> undef, <2 x i32> zeroinitializer
%27 = getelementptr inbounds double, double* %8, i64 %11
%28 = bitcast double* %27 to <2 x i64>*
store <2 x i64> %24, <2 x i64>* %28, align 8
%29 = getelementptr double, double* %27, i64 2
%30 = bitcast double* %29 to <2 x i64>*
store <2 x i64> %26, <2 x i64>* %30, align 8
br label %vector.body.prol.loopexit.unr-lcssa
vector.body.prol.loopexit.unr-lcssa: ; preds = %vector.body.preheader, %vector.body.prol
%index.unr.ph = phi i64 [ 4, %vector.body.prol ], [ 0, %vector.body.preheader ]
br label %vector.body.prol.loopexit
vector.body.prol.loopexit: ; preds = %vector.body.prol.loopexit.unr-lcssa
%31 = icmp eq i64 %20, 0
br i1 %31, label %middle.block, label %vector.body.preheader.new
vector.body.preheader.new: ; preds = %vector.body.prol.loopexit
%32 = load i64, i64* bitcast (double* @x0 to i64*), align 8
%33 = insertelement <2 x i64> undef, i64 %32, i32 0
%34 = shufflevector <2 x i64> %33, <2 x i64> undef, <2 x i32> zeroinitializer
%35 = insertelement <2 x i64> undef, i64 %32, i32 0
%36 = shufflevector <2 x i64> %35, <2 x i64> undef, <2 x i32> zeroinitializer
%37 = load i64, i64* bitcast (double* @x0 to i64*), align 8
%38 = insertelement <2 x i64> undef, i64 %37, i32 0
%39 = shufflevector <2 x i64> %38, <2 x i64> undef, <2 x i32> zeroinitializer
%40 = insertelement <2 x i64> undef, i64 %37, i32 0
%41 = shufflevector <2 x i64> %40, <2 x i64> undef, <2 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.body.preheader.new
%index = phi i64 [ %index.unr.ph, %vector.body.preheader.new ], [ %index.next.1, %vector.body ]
%42 = add i64 %11, %index
%43 = getelementptr inbounds double, double* %8, i64 %42
%44 = bitcast double* %43 to <2 x i64>*
store <2 x i64> %34, <2 x i64>* %44, align 8
%45 = getelementptr double, double* %43, i64 2
%46 = bitcast double* %45 to <2 x i64>*
store <2 x i64> %36, <2 x i64>* %46, align 8
%index.next = add i64 %index, 4
%47 = add i64 %11, %index.next
%48 = getelementptr inbounds double, double* %8, i64 %47
%49 = bitcast double* %48 to <2 x i64>*
store <2 x i64> %39, <2 x i64>* %49, align 8
%50 = getelementptr double, double* %48, i64 2
%51 = bitcast double* %50 to <2 x i64>*
store <2 x i64> %41, <2 x i64>* %51, align 8
%index.next.1 = add i64 %index, 8
%52 = icmp eq i64 %index.next.1, %n.vec
br i1 %52, label %middle.block.unr-lcssa, label %vector.body
middle.block.unr-lcssa: ; preds = %vector.body
br label %middle.block
middle.block: ; preds = %vector.body.prol.loopexit, %middle.block.unr-lcssa
%cmp.n = icmp eq i64 %15, %n.vec
br i1 %cmp.n, label %for.cond1.for.inc3_crit_edge, label %for.body2.preheader21
for.body2.preheader21: ; preds = %middle.block, %vector.memcheck, %min.iters.checked, %for.body2.preheader
%indvars.iv.ph = phi i64 [ %11, %vector.memcheck ], [ %11, %min.iters.checked ], [ %11, %for.body2.preheader ], [ %ind.end, %middle.block ]
br label %for.body2
for.body2: ; preds = %for.body2.preheader21, %for.body2
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body2 ], [ %indvars.iv.ph, %for.body2.preheader21 ]
%53 = load i64, i64* bitcast (double* @x0 to i64*), align 8
%arrayidx = getelementptr inbounds double, double* %8, i64 %indvars.iv
%54 = bitcast double* %arrayidx to i64*
store i64 %53, i64* %54, align 8
%indvars.iv.next = add nsw i64 %indvars.iv, 1
%cmp = icmp slt i64 %indvars.iv, -1
br i1 %cmp, label %for.body2, label %for.cond1.for.inc3_crit_edge.loopexit
for.cond1.for.inc3_crit_edge.loopexit: ; preds = %for.body2
br label %for.cond1.for.inc3_crit_edge
for.cond1.for.inc3_crit_edge: ; preds = %for.cond1.for.inc3_crit_edge.loopexit, %middle.block
%indvars.iv.next.lcssa = phi i64 [ %ind.end, %middle.block ], [ %indvars.iv.next, %for.cond1.for.inc3_crit_edge.loopexit ]
%55 = trunc i64 %indvars.iv.next.lcssa to i32
store i32 %55, i32* @x2, align 4
br label %for.inc3
for.inc3: ; preds = %for.cond1.for.inc3_crit_edge, %for.cond1thread-pre-split
%.pr611 = phi i32 [ %55, %for.cond1.for.inc3_crit_edge ], [ %.pr6, %for.cond1thread-pre-split ]
%inc4 = add nsw i32 %9, 1
%add.ptr = getelementptr inbounds double, double* %8, i64 %idx.ext13
%tobool = icmp eq i32 %inc4, 0
%indvar.next = add i64 %indvar, 1
br i1 %tobool, label %for.cond.for.end5_crit_edge, label %for.cond1thread-pre-split
for.cond.for.end5_crit_edge: ; preds = %for.inc3
store i8* %uglygep, i8** bitcast (double** @x5 to i8**), align 8
store i32 0, i32* @x3, align 4
br label %for.end5
for.end5: ; preds = %for.cond.for.end5_crit_edge, %entry
ret void
}