From 29ef87599c86b28db94d57705ab2901768253cad Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Tue, 15 Mar 2011 21:13:22 +0000 Subject: [PATCH] Preserve both isPHIDef and isDefByCopy bits when copying parent values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127697 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SplitKit.cpp | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp index 99d05fa6558..9c1f75c42a0 100644 --- a/lib/CodeGen/SplitKit.cpp +++ b/lib/CodeGen/SplitKit.cpp @@ -274,10 +274,6 @@ VNInfo *SplitEditor::defValue(unsigned RegIdx, // Create a new value. VNInfo *VNI = LI->getNextValue(Idx, 0, LIS.getVNInfoAllocator()); - // Preserve the PHIDef bit. - if (ParentVNI->isPHIDef() && Idx == ParentVNI->def) - VNI->setIsPHIDef(true); - // Use insert for lookup, so we can add missing values with a second lookup. std::pair InsP = Values.insert(std::make_pair(std::make_pair(RegIdx, ParentVNI->id), VNI)); @@ -845,7 +841,10 @@ void SplitEditor::finish() { if (ParentVNI->isUnused()) continue; unsigned RegIdx = RegAssign.lookup(ParentVNI->def); - defValue(RegIdx, ParentVNI, ParentVNI->def); + VNInfo *VNI = defValue(RegIdx, ParentVNI, ParentVNI->def); + VNI->setIsPHIDef(ParentVNI->isPHIDef()); + VNI->setCopy(ParentVNI->getCopy()); + // Mark rematted values as complex everywhere to force liveness computation. // The new live ranges may be truncated. if (Edit->didRematerialize(ParentVNI))