diff options
Diffstat (limited to 'llvm')
-rw-r--r-- | llvm/include/llvm/CodeGen/LiveIntervalUnion.h | 5 | ||||
-rw-r--r-- | llvm/lib/CodeGen/RegAllocBasic.cpp | 2 |
2 files changed, 0 insertions, 7 deletions
diff --git a/llvm/include/llvm/CodeGen/LiveIntervalUnion.h b/llvm/include/llvm/CodeGen/LiveIntervalUnion.h index da38085a30c..ab404c414c9 100644 --- a/llvm/include/llvm/CodeGen/LiveIntervalUnion.h +++ b/llvm/include/llvm/CodeGen/LiveIntervalUnion.h @@ -112,7 +112,6 @@ public: SmallVector<LiveInterval*,4> InterferingVRegs; bool CheckedFirstInterference = false; bool SeenAllInterferences = false; - bool SeenUnspillableVReg = false; unsigned Tag = 0; unsigned UserTag = 0; @@ -129,7 +128,6 @@ public: InterferingVRegs.clear(); CheckedFirstInterference = false; SeenAllInterferences = false; - SeenUnspillableVReg = false; Tag = 0; UserTag = 0; } @@ -167,9 +165,6 @@ public: // Did collectInterferingVRegs collect all interferences? bool seenAllInterferences() const { return SeenAllInterferences; } - // Did collectInterferingVRegs encounter an unspillable vreg? - bool seenUnspillableVReg() const { return SeenUnspillableVReg; } - // Vector generated by collectInterferingVRegs. const SmallVectorImpl<LiveInterval*> &interferingVRegs() const { return InterferingVRegs; diff --git a/llvm/lib/CodeGen/RegAllocBasic.cpp b/llvm/lib/CodeGen/RegAllocBasic.cpp index a558e371ad4..a87fed3a687 100644 --- a/llvm/lib/CodeGen/RegAllocBasic.cpp +++ b/llvm/lib/CodeGen/RegAllocBasic.cpp @@ -176,8 +176,6 @@ bool RABasic::spillInterferences(LiveInterval &VirtReg, unsigned PhysReg, for (MCRegUnitIterator Units(PhysReg, TRI); Units.isValid(); ++Units) { LiveIntervalUnion::Query &Q = Matrix->query(VirtReg, *Units); Q.collectInterferingVRegs(); - if (Q.seenUnspillableVReg()) - return false; for (unsigned i = Q.interferingVRegs().size(); i; --i) { LiveInterval *Intf = Q.interferingVRegs()[i - 1]; if (!Intf->isSpillable() || Intf->weight > VirtReg.weight) |