From 1f8804263ffc5e6843d81f5c7bd9c739aa90fde5 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Fri, 5 Aug 2011 23:10:40 +0000 Subject: [PATCH] Remember to update LiveDebugVariables after per-block splitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136996 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/RegAllocGreedy.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp index 63506f094b9..291db7b4bfc 100644 --- a/lib/CodeGen/RegAllocGreedy.cpp +++ b/lib/CodeGen/RegAllocGreedy.cpp @@ -1032,7 +1032,7 @@ void RAGreedy::splitAroundRegion(LiveRangeEdit &LREdit, SmallVector IntvMap; SE->finish(&IntvMap); - DebugVars->splitRegister(SA->getParent().reg, LREdit.regs()); + DebugVars->splitRegister(Reg, LREdit.regs()); ExtraRegInfo.resize(MRI->getNumVirtRegs()); unsigned OrigBlocks = SA->getNumLiveBlocks(); @@ -1228,6 +1228,10 @@ unsigned RAGreedy::tryBlockSplit(LiveInterval &VirtReg, AllocationOrder &Order, // We did split for some blocks. SE->finish(); + + // Tell LiveDebugVariables about the new ranges. + DebugVars->splitRegister(Reg, LREdit.regs()); + setStage(NewVRegs.begin(), NewVRegs.end(), RS_Spill); if (VerifyEnabled) MF->verify(this, "After splitting live range around basic blocks");