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| author | rdivacky <rdivacky@FreeBSD.org> | 2009-11-18 14:58:34 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2009-11-18 14:58:34 +0000 |
| commit | d2e985fd323c167e20f77b045a1d99ad166e65db (patch) | |
| tree | 6a111e552c75afc66228e3d8f19b6731e4013f10 /lib/Analysis/IVUsers.cpp | |
| parent | ded64d5d348ce8d8c5aa42cf63f6de9dd84b7e89 (diff) | |
| download | FreeBSD-src-d2e985fd323c167e20f77b045a1d99ad166e65db.zip FreeBSD-src-d2e985fd323c167e20f77b045a1d99ad166e65db.tar.gz | |
Update LLVM to r89205.
Diffstat (limited to 'lib/Analysis/IVUsers.cpp')
| -rw-r--r-- | lib/Analysis/IVUsers.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
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) { } |
