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[VPlan] Update ifdef.

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llvm-svn: 346858
This commit is contained in:
Florian Hahn 2018-11-14 13:21:26 +00:00
parent 00692a7adf
commit 775f955194
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Vectorize/VPlanSLP.cpp
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@ -362,14 +362,14 @@ VPInstruction *VPlanSlp::buildGraph(ArrayRef<VPValue *> Values) {
// If we already visited this instruction bundle, re-use the existing node
auto I = BundleToCombined.find(to_vector<4>(Values));
if (I != BundleToCombined.end()) {
#ifdef NDEBUG
#ifndef NDEBUG
// Check that the resulting graph is a tree. If we re-use a node, this means
// its values have multiple users. We only allow this, if all users of each
// value are the same instruction.
for (auto *V : Values) {
auto UI = V->user_begin();
auto *FirstUser = *UI++;
while (UI != V->use_end()) {
while (UI != V->user_end()) {
assert(*UI == FirstUser && "Currently we only support SLP trees.");
UI++;
}