================
@@ -7842,6 +7853,61 @@ VPValue *VPRecipeBuilder::createEdgeMask(BasicBlock
*Src, BasicBlock *Dst) {
VPValue *SrcMask = getBlockInMask(Src);
+ if (auto *SI = dyn_cast<SwitchInst>(Src->getTerminator())) {
+ assert(!OrigLoop->isLoopExiting(Src) &&
+ all_of(successors(Src),
+ [this](BasicBlock *Succ) {
+ return OrigLoop->getHeader() != Succ;
+ }) &&
+ "unsupported switch either exiting loop or continuing to header");
+ // Create masks where the terminator in Src is a switch. We create mask for
+ // all edges at the same time. This is more efficient, as we can create and
+ // collect compares for all cases once.
+ VPValue *Cond = getVPValueOrAddLiveIn(SI->getCondition(), Plan);
+ BasicBlock *DefaultDst = SI->getDefaultDest();
+ MapVector<BasicBlock *, SmallVector<VPValue *>> Map;
----------------
fhahn wrote:
Updated to `Dst2Compares`, thanks!
https://github.com/llvm/llvm-project/pull/99808
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