From 9aba1898be71ebe41108b4b54f4bb359009fd313 Mon Sep 17 00:00:00 2001 From: "Duncan P. N. Exon Smith" Date: Mon, 6 Oct 2014 22:05:02 +0000 Subject: [PATCH] LoopUnroll: Change code order of changes to new basic blocks Add new basic blocks to `LoopInfo` earlier. No functionality change intended (simplifies upcoming bugfix patch). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219150 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Utils/LoopUnroll.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/Transforms/Utils/LoopUnroll.cpp b/lib/Transforms/Utils/LoopUnroll.cpp index fd46a4b8e54..fbfebc3a8dc 100644 --- a/lib/Transforms/Utils/LoopUnroll.cpp +++ b/lib/Transforms/Utils/LoopUnroll.cpp @@ -308,6 +308,8 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount, BasicBlock *New = CloneBasicBlock(*BB, VMap, "." + Twine(It)); Header->getParent()->getBasicBlockList().push_back(New); + L->addBasicBlockToLoop(New, LI->getBase()); + if (*BB == Header) // Loop over all of the PHI nodes in the block, changing them to use // the incoming values from the previous block. @@ -327,8 +329,6 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount, VI != VE; ++VI) LastValueMap[VI->first] = VI->second; - L->addBasicBlockToLoop(New, LI->getBase()); - // Add phi entries for newly created values to all exit blocks. for (succ_iterator SI = succ_begin(*BB), SE = succ_end(*BB); SI != SE; ++SI) { -- 2.34.1