Add some more debug output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104080 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-05-18 22:41:32 +00:00
parent d69d62833a
commit 0da751baf7

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@ -2695,6 +2695,7 @@ void LSRInstance::NarrowSearchSpaceUsingHeuristics() {
// Ok, we have too many of formulae on our hands to conveniently handle.
// Use a rough heuristic to thin out the list.
DEBUG(dbgs() << "The search space is too complex.\n");
// Pick the register which is used by the most LSRUses, which is likely
// to be a good reuse register candidate.