From 39f40299a6efc06747db0de53deb9be248913998 Mon Sep 17 00:00:00 2001 From: Andrew Trick Date: Wed, 10 Aug 2011 04:29:49 +0000 Subject: Invoke SimplifyIndVar when we partially unroll a loop. Fixes PR10534. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137203 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/LoopUnrollPass.cpp | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'lib/Transforms/Scalar/LoopUnrollPass.cpp') diff --git a/lib/Transforms/Scalar/LoopUnrollPass.cpp b/lib/Transforms/Scalar/LoopUnrollPass.cpp index 6d7901f88c..94afff6813 100644 --- a/lib/Transforms/Scalar/LoopUnrollPass.cpp +++ b/lib/Transforms/Scalar/LoopUnrollPass.cpp @@ -79,6 +79,7 @@ namespace { AU.addPreservedID(LoopSimplifyID); AU.addRequiredID(LCSSAID); AU.addPreservedID(LCSSAID); + AU.addRequired(); AU.addPreserved(); // FIXME: Loop unroll requires LCSSA. And LCSSA requires dom info. // If loop unroll does not preserve dom info then LCSSA pass on next @@ -187,12 +188,8 @@ bool LoopUnroll::runOnLoop(Loop *L, LPPassManager &LPM) { } // Unroll the loop. - Function *F = L->getHeader()->getParent(); if (!UnrollLoop(L, Count, TripCount, TripMultiple, LI, &LPM)) return false; - // FIXME: Reconstruct dom info, because it is not preserved properly. - if (DominatorTree *DT = getAnalysisIfAvailable()) - DT->runOnFunction(*F); return true; } -- cgit v1.2.3