[LoopVer] Remove an assert that's redundant now. NFC
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
diff --git a/llvm/lib/Transforms/Utils/LoopVersioning.cpp b/llvm/lib/Transforms/Utils/LoopVersioning.cpp
index 83af2d8..65d781b 100644
--- a/llvm/lib/Transforms/Utils/LoopVersioning.cpp
+++ b/llvm/lib/Transforms/Utils/LoopVersioning.cpp
@@ -133,11 +133,8 @@
// 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) {