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Run VerifyDAGDiverence in debug only

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

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

llvm-svn: 343086
This commit is contained in:
Mikael Nilsson 2018-09-26 09:25:45 +00:00
parent a5c38063f6
commit 51909daeee
3 changed files with 18 additions and 0 deletions
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2
include/llvm/CodeGen/SelectionDAG.h
View File

@ -471,7 +471,9 @@ public:
return Root;
}
#ifndef NDEBUG
void VerifyDAGDiverence();
#endif
/// This iterates over the nodes in the SelectionDAG, folding
/// certain types of nodes together, or eliminating superfluous nodes. The

2
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -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

14
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@ -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