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[LoopVer] Remove an assert that's redundant now. NFC

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Ensuring that the PHI are all single-operand is not performed in the
second pass added by the previous pass.  This removes the assert from
the first pass.

llvm-svn: 272650
This commit is contained in:
Adam Nemet 2016-06-14 09:39:01 +00:00
parent 108f359996
commit 98ec9fe8f7
1 changed files with 1 additions and 4 deletions
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5
lib/Transforms/Utils/LoopVersioning.cpp
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@ -133,11 +133,8 @@ void LoopVersioning::addPHINodes(
// See if we have a single-operand PHI with the value defined by the
// original loop.
for (auto I = PHIBlock->begin(); (PN = dyn_cast<PHINode>(I)); ++I) {
if (PN->getIncomingValue(0) == Inst) {
assert(PN->getNumOperands() == 1 &&
"Exit block should only have on predecessor");
if (PN->getIncomingValue(0) == Inst)
break;
}
}
// If not create it.
if (!PN) {