From 8b92d0cae10b1abf660788e7d8e493d71ac1e477 Mon Sep 17 00:00:00 2001 From: Owen Anderson Date: Tue, 13 Jun 2006 20:50:09 +0000 Subject: Fix another instance where PHI nodes need special treatment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28774 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Utils/LCSSA.cpp | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'lib/Transforms/Utils/LCSSA.cpp') diff --git a/lib/Transforms/Utils/LCSSA.cpp b/lib/Transforms/Utils/LCSSA.cpp index 37ab7ee7ff..3c70f735e8 100644 --- a/lib/Transforms/Utils/LCSSA.cpp +++ b/lib/Transforms/Utils/LCSSA.cpp @@ -215,6 +215,12 @@ void LCSSA::processInstruction(Instruction* Instr, for (Instruction::use_iterator UI = Instr->use_begin(), UE = Instr->use_end(); UI != UE; ++UI) { Instruction* use = cast(*UI); + BasicBlock* UserBB = use->getParent(); + if (PHINode* p = dyn_cast(use)) { + unsigned OperandNo = UI.getOperandNo(); + UserBB = p->getIncomingBlock(OperandNo/2); + } + // Don't need to update uses within the loop body. if (!inLoop(use->getParent())) Uses.push_back(use); -- cgit v1.2.3