diff options
author | Craig Topper <craig.topper@intel.com> | 2017-12-28 19:46:01 +0000 |
---|---|---|
committer | Craig Topper <craig.topper@intel.com> | 2017-12-28 19:46:01 +0000 |
commit | c2dcb7f2db568fc3565e765177122cdda1ad1914 (patch) | |
tree | 0706d84345e4b8c7a119d82e59bc225671b24a54 /lib/CodeGen | |
parent | 6c1c3c6bde7155a401046e720cdd91f77b5d9d63 (diff) |
[SelectionDAG] Add some debug print messages to LegalizeVectorOps.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321535 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
-rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp index 74970ab5792..7643790df35 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp @@ -49,6 +49,8 @@ using namespace llvm; +#define DEBUG_TYPE "legalizevectorops" + namespace { class VectorLegalizer { @@ -226,7 +228,8 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) { if (Op.getOpcode() == ISD::LOAD) { LoadSDNode *LD = cast<LoadSDNode>(Op.getNode()); ISD::LoadExtType ExtType = LD->getExtensionType(); - if (LD->getMemoryVT().isVector() && ExtType != ISD::NON_EXTLOAD) + if (LD->getMemoryVT().isVector() && ExtType != ISD::NON_EXTLOAD) { + DEBUG(dbgs() << "\nLegalizing extending vector load: "; Node->dump(&DAG)); switch (TLI.getLoadExtAction(LD->getExtensionType(), LD->getValueType(0), LD->getMemoryVT())) { default: llvm_unreachable("This action is not supported yet!"); @@ -252,11 +255,14 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) { Changed = true; return LegalizeOp(ExpandLoad(Op)); } + } } else if (Op.getOpcode() == ISD::STORE) { StoreSDNode *ST = cast<StoreSDNode>(Op.getNode()); EVT StVT = ST->getMemoryVT(); MVT ValVT = ST->getValue().getSimpleValueType(); - if (StVT.isVector() && ST->isTruncatingStore()) + if (StVT.isVector() && ST->isTruncatingStore()) { + DEBUG(dbgs() << "\nLegalizing truncating vector store: "; + Node->dump(&DAG)); switch (TLI.getTruncStoreAction(ValVT, StVT)) { default: llvm_unreachable("This action is not supported yet!"); case TargetLowering::Legal: @@ -270,6 +276,7 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) { Changed = true; return LegalizeOp(ExpandStore(Op)); } + } } else if (Op.getOpcode() == ISD::MSCATTER || Op.getOpcode() == ISD::MSTORE) HasVectorValue = true; @@ -376,6 +383,8 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) { break; } + DEBUG(dbgs() << "\nLegalizing vector op: "; Node->dump(&DAG)); + switch (TLI.getOperationAction(Node->getOpcode(), QueryType)) { default: llvm_unreachable("This action is not supported yet!"); case TargetLowering::Promote: @@ -383,12 +392,16 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) { Changed = true; break; case TargetLowering::Legal: + DEBUG(dbgs() << "Legal node: nothing to do\n"); break; case TargetLowering::Custom: { + DEBUG(dbgs() << "Trying custom legalization\n"); if (SDValue Tmp1 = TLI.LowerOperation(Op, DAG)) { + DEBUG(dbgs() << "Successfully custom legalized node\n"); Result = Tmp1; break; } + DEBUG(dbgs() << "Could not custom legalize node\n"); LLVM_FALLTHROUGH; } case TargetLowering::Expand: |