From cbe1e31732c5d4fb1277195e76b9b42c115396aa Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Tue, 16 Mar 2010 21:02:07 +0000 Subject: [PATCH] Ignore debug value instructions while analyzing BB for tail duplication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98675 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/TailDuplication.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index fa3785dc079..aa6e2b4e87e 100644 --- a/lib/CodeGen/TailDuplication.cpp +++ b/lib/CodeGen/TailDuplication.cpp @@ -495,7 +495,7 @@ TailDuplicatePass::TailDuplicate(MachineBasicBlock *TailBB, MachineFunction &MF, if (InstrCount == MaxDuplicateCount) return false; // Remember if we saw a call. if (I->getDesc().isCall()) HasCall = true; - if (!I->isPHI()) + if (!I->isPHI() && !I->isDebugValue()) InstrCount += 1; } // Heuristically, don't tail-duplicate calls if it would expand code size, -- 2.34.1