From b6436e5be19937b622fabd87d1547b8fc7553c11 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Fri, 14 Jan 2011 02:12:54 +0000 Subject: Revert r123419. It still breaks llvm-gcc-i386-linux-selfhost. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123423 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/PHIElimination.cpp | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) (limited to 'lib/CodeGen/PHIElimination.cpp') diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp index b940e26911..923fa213e7 100644 --- a/lib/CodeGen/PHIElimination.cpp +++ b/lib/CodeGen/PHIElimination.cpp @@ -339,8 +339,6 @@ void PHIElimination::LowerAtomicPHINode( #ifndef NDEBUG for (MachineBasicBlock::iterator TI = llvm::next(Term); TI != opBlock.end(); ++TI) { - if (TI->isDebugValue()) - continue; assert(!TI->readsRegister(SrcReg) && "Terminator instructions cannot use virtual registers unless" "they are the first terminator in a block!"); @@ -349,13 +347,9 @@ void PHIElimination::LowerAtomicPHINode( } else if (reusedIncoming || !IncomingReg) { // We may have to rewind a bit if we didn't insert a copy this time. KillInst = Term; - while (KillInst != opBlock.begin()) { - --KillInst; - if (KillInst->isDebugValue()) - continue; - if (KillInst->readsRegister(SrcReg)) + while (KillInst != opBlock.begin()) + if ((--KillInst)->readsRegister(SrcReg)) break; - } } else { // We just inserted this copy. KillInst = prior(InsertPos); -- cgit v1.2.3-18-g5258