From b8486e5a32316d54d8e755d393a0305003b2c66e Mon Sep 17 00:00:00 2001 From: Adam Nemet Date: Tue, 1 Mar 2016 00:50:08 +0000 Subject: [PATCH] [LAA] Add missing debug output llvm-svn: 262279 --- llvm/lib/Analysis/LoopAccessAnalysis.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/llvm/lib/Analysis/LoopAccessAnalysis.cpp b/llvm/lib/Analysis/LoopAccessAnalysis.cpp index 7227d48..159d6ae 100644 --- a/llvm/lib/Analysis/LoopAccessAnalysis.cpp +++ b/llvm/lib/Analysis/LoopAccessAnalysis.cpp @@ -1199,8 +1199,10 @@ MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx, bool IsTrueDataDependence = (AIsWrite && !BIsWrite); if (IsTrueDataDependence && (couldPreventStoreLoadForward(Val.abs().getZExtValue(), TypeByteSize) || - ATy != BTy)) + ATy != BTy)) { + DEBUG(dbgs() << "LAA: Forward but may prevent st->ld forwarding\n"); return Dependence::ForwardButPreventsForwarding; + } DEBUG(dbgs() << "LAA: Dependence is negative: NoDep\n"); return Dependence::Forward; -- 2.7.4