From: Evan Cheng Date: Thu, 25 Mar 2010 01:01:37 +0000 (+0000) Subject: Avoid being influenced by dbg_value instructions. X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=48f2cb926e2512a1c4c33ca5a9e757de1c12036c;p=oota-llvm.git Avoid being influenced by dbg_value instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99465 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp index 8bbe0a72528..f0057ce8ef8 100644 --- a/lib/CodeGen/PHIElimination.cpp +++ b/lib/CodeGen/PHIElimination.cpp @@ -74,7 +74,7 @@ bool llvm::PHIElimination::runOnMachineFunction(MachineFunction &Fn) { E = ImpDefs.end(); I != E; ++I) { MachineInstr *DefMI = *I; unsigned DefReg = DefMI->getOperand(0).getReg(); - if (MRI->use_empty(DefReg)) + if (MRI->use_nodbg_empty(DefReg)) DefMI->eraseFromParent(); } diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 97e858f09c8..c5e03627ffd 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -2800,7 +2800,7 @@ bool SimpleRegisterCoalescing::runOnMachineFunction(MachineFunction &fn) { if (MO.isDead()) continue; if (TargetRegisterInfo::isPhysicalRegister(Reg) || - !mri_->use_empty(Reg)) { + !mri_->use_nodbg_empty(Reg)) { isDead = false; break; }