From 9c8e35174e375304acb5419ce4234f91193289d7 Mon Sep 17 00:00:00 2001
From: Mikael Nilsson <mikael.nilsson@arm.com>
Date: Wed, 26 Sep 2018 09:25:45 +0000
Subject: Run VerifyDAGDiverence in debug only

VerifyDAGDiverence costs compilation time, avoid running it in non-debug
builds.

Differential Revision: https://reviews.llvm.org/D52454

llvm-svn: 343086
---
 llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp     |  2 ++
 llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 14 ++++++++++++++
 2 files changed, 16 insertions(+)

(limited to 'llvm/lib/CodeGen')

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 00c6c446d27..c367d73ed4e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -7955,6 +7955,7 @@ void SelectionDAG::CreateTopologicalOrder(std::vector<SDNode*>& Order) {
   }
 }
 
+#ifndef NDEBUG
 void SelectionDAG::VerifyDAGDiverence()
 {
   std::vector<SDNode*> TopoOrder;
@@ -7981,6 +7982,7 @@ void SelectionDAG::VerifyDAGDiverence()
            "Divergence bit inconsistency detected\n");
   }
 }
+#endif
 
 
 /// ReplaceAllUsesOfValuesWith - Replace any uses of From with To, leaving
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index e104fae2008..feb57eeafe7 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -714,8 +714,10 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
   int BlockNumber = -1;
   (void)BlockNumber;
   bool MatchFilterBB = false; (void)MatchFilterBB;
+#ifndef NDEBUG
   TargetTransformInfo &TTI =
       getAnalysis<TargetTransformInfoWrapperPass>().getTTI(*FuncInfo->Fn);
+#endif
 
   // Pre-type legalization allow creation of any node types.
   CurDAG->NewNodesMustHaveLegalTypes = false;
@@ -750,8 +752,10 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
     CurDAG->Combine(BeforeLegalizeTypes, AA, OptLevel);
   }
 
+#ifndef NDEBUG
   if (TTI.hasBranchDivergence())
     CurDAG->VerifyDAGDiverence();
+#endif
 
   LLVM_DEBUG(dbgs() << "Optimized lowered selection DAG: "
                     << printMBBReference(*FuncInfo->MBB) << " '" << BlockName
@@ -770,8 +774,10 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
     Changed = CurDAG->LegalizeTypes();
   }
 
+#ifndef NDEBUG
   if (TTI.hasBranchDivergence())
     CurDAG->VerifyDAGDiverence();
+#endif
 
   LLVM_DEBUG(dbgs() << "Type-legalized selection DAG: "
                     << printMBBReference(*FuncInfo->MBB) << " '" << BlockName
@@ -792,8 +798,10 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
       CurDAG->Combine(AfterLegalizeTypes, AA, OptLevel);
     }
 
+#ifndef NDEBUG
     if (TTI.hasBranchDivergence())
       CurDAG->VerifyDAGDiverence();
+#endif
 
     LLVM_DEBUG(dbgs() << "Optimized type-legalized selection DAG: "
                       << printMBBReference(*FuncInfo->MBB) << " '" << BlockName
@@ -839,8 +847,10 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
                       << "'\n";
                CurDAG->dump());
 
+#ifndef NDEBUG
     if (TTI.hasBranchDivergence())
       CurDAG->VerifyDAGDiverence();
+#endif
   }
 
   if (ViewLegalizeDAGs && MatchFilterBB)
@@ -852,8 +862,10 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
     CurDAG->Legalize();
   }
 
+#ifndef NDEBUG
   if (TTI.hasBranchDivergence())
     CurDAG->VerifyDAGDiverence();
+#endif
 
   LLVM_DEBUG(dbgs() << "Legalized selection DAG: "
                     << printMBBReference(*FuncInfo->MBB) << " '" << BlockName
@@ -870,8 +882,10 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
     CurDAG->Combine(AfterLegalizeDAG, AA, OptLevel);
   }
 
+#ifndef NDEBUG
   if (TTI.hasBranchDivergence())
     CurDAG->VerifyDAGDiverence();
+#endif
 
   LLVM_DEBUG(dbgs() << "Optimized legalized selection DAG: "
                     << printMBBReference(*FuncInfo->MBB) << " '" << BlockName
-- 
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