This assertion is firing because -loop-unroll is failing to preserve
-loop-info (see PR20987). Improve it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219130
91177308-0d34-0410-b5e6-
96231b3b80d8
- assert(Headers.size() >= 2 && "Should be irreducible");
+ assert(Headers.size() >= 2 &&
+ "Expected irreducible CFG; -loop-info is likely invalid");
if (Headers.size() == InSCC.size()) {
// Every block is a header.
std::sort(Headers.begin(), Headers.end());
if (Headers.size() == InSCC.size()) {
// Every block is a header.
std::sort(Headers.begin(), Headers.end());