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-rw-r--r--llvm/lib/Analysis/ScalarEvolution.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index ab21cd150f8..3b219fa6736 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -6512,8 +6512,10 @@ ScalarEvolution::getBackedgeTakenInfo(const Loop *L) {
// must be cleared in this scope.
BackedgeTakenInfo Result = computeBackedgeTakenCount(L);
- if (Result.getExact(L, this) != getCouldNotCompute()) {
- assert(isLoopInvariant(Result.getExact(L, this), L) &&
+#if LLVM_ENABLE_STATS || !defined(NDEBUG)
+ const SCEV *BEExact = Result.getExact(L, this);
+ if (BEExact != getCouldNotCompute()) {
+ assert(isLoopInvariant(BEExact, L) &&
isLoopInvariant(Result.getMax(this), L) &&
"Computed backedge-taken count isn't loop invariant for loop!");
++NumTripCountsComputed;
@@ -6523,6 +6525,7 @@ ScalarEvolution::getBackedgeTakenInfo(const Loop *L) {
// Only count loops that have phi nodes as not being computable.
++NumTripCountsNotComputed;
}
+#endif // LLVM_ENABLE_STATS || !defined(NDEBUG)
// Now that we know more about the trip count for this loop, forget any
// existing SCEV values for PHI nodes in this loop since they are only
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