From 6b568964ba92ea5b05860623e80da2a4db2bfac0 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Tue, 23 Jun 2015 14:47:29 +0000 Subject: [MachineBasicBlock] Add getFirstNonDebugInstr to complement getLastNonDebugInstr Use it in CodeGen where applicable. No functionality change intended. llvm-svn: 240414 --- llvm/lib/CodeGen/TailDuplication.cpp | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'llvm/lib/CodeGen/TailDuplication.cpp') diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp index 23f41c8dd4b..237460cd905 100644 --- a/llvm/lib/CodeGen/TailDuplication.cpp +++ b/llvm/lib/CodeGen/TailDuplication.cpp @@ -627,11 +627,8 @@ TailDuplicatePass::isSimpleBB(MachineBasicBlock *TailBB) { return false; if (TailBB->pred_empty()) return false; - MachineBasicBlock::iterator I = TailBB->begin(); - MachineBasicBlock::iterator E = TailBB->end(); - while (I != E && I->isDebugValue()) - ++I; - if (I == E) + MachineBasicBlock::iterator I = TailBB->getFirstNonDebugInstr(); + if (I == TailBB->end()) return true; return I->isUnconditionalBranch(); } -- cgit v1.2.3