From d2e985fd323c167e20f77b045a1d99ad166e65db Mon Sep 17 00:00:00 2001 From: rdivacky Date: Wed, 18 Nov 2009 14:58:34 +0000 Subject: Update LLVM to r89205. --- lib/Analysis/IVUsers.cpp | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'lib/Analysis/IVUsers.cpp') diff --git a/lib/Analysis/IVUsers.cpp b/lib/Analysis/IVUsers.cpp index 543e017..cf52320 100644 --- a/lib/Analysis/IVUsers.cpp +++ b/lib/Analysis/IVUsers.cpp @@ -151,6 +151,8 @@ static bool IVUseShouldUsePostIncValue(Instruction *User, Instruction *IV, if (L->contains(User->getParent())) return false; BasicBlock *LatchBlock = L->getLoopLatch(); + if (!LatchBlock) + return false; // Ok, the user is outside of the loop. If it is dominated by the latch // block, use the post-inc value. @@ -265,6 +267,18 @@ bool IVUsers::AddUsersIfInteresting(Instruction *I) { return true; } +void IVUsers::AddUser(const SCEV *Stride, const SCEV *Offset, + Instruction *User, Value *Operand) { + IVUsersOfOneStride *StrideUses = IVUsesByStride[Stride]; + if (!StrideUses) { // First occurrence of this stride? + StrideOrder.push_back(Stride); + StrideUses = new IVUsersOfOneStride(Stride); + IVUses.push_back(StrideUses); + IVUsesByStride[Stride] = StrideUses; + } + IVUsesByStride[Stride]->addUser(Offset, User, Operand); +} + IVUsers::IVUsers() : LoopPass(&ID) { } -- cgit v1.1