From 104db6b94a127e4e68db7528f50d3fcf24d543bd Mon Sep 17 00:00:00 2001 From: Matthias Braun Date: Tue, 1 Dec 2015 04:20:06 +0000 Subject: [PATCH] RegisterPressure: If we do not collect dead defs the list must be empty git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254372 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/RegisterPressure.cpp | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/lib/CodeGen/RegisterPressure.cpp b/lib/CodeGen/RegisterPressure.cpp index 18002c8fbd5..8eba0edc8bf 100644 --- a/lib/CodeGen/RegisterPressure.cpp +++ b/lib/CodeGen/RegisterPressure.cpp @@ -734,11 +734,7 @@ void RegPressureTracker::bumpUpwardPressure(const MachineInstr *MI) { // Account for register pressure similar to RegPressureTracker::recede(). RegisterOperands RegOpers; RegOpers.collect(*MI, *TRI, *MRI, /*IgnoreDead=*/true); - - // Boost max pressure for all dead defs together. - // Since CurrSetPressure and MaxSetPressure - increaseRegPressure(RegOpers.DeadDefs); - decreaseRegPressure(RegOpers.DeadDefs); + assert(RegOpers.DeadDefs.size() == 0); // Kill liveness at live defs. for (unsigned i = 0, e = RegOpers.Defs.size(); i < e; ++i) { -- 2.34.1