vendor/llvm/llvm-trunk-r375505vendor/llvm

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/Analysis/DivergenceAnalysis.cpp b/lib/Analysis/DivergenceAnalysis.cpp
index 0ccd59ef2bfd..3d1be1e1cce0 100644
--- a/lib/Analysis/DivergenceAnalysis.cpp
+++ b/lib/Analysis/DivergenceAnalysis.cpp
@@ -412,6 +412,12 @@ bool DivergenceAnalysis::isDivergent(const Value &V) const {
   return DivergentValues.find(&V) != DivergentValues.end();
 }
 
+bool DivergenceAnalysis::isDivergentUse(const Use &U) const {
+  Value &V = *U.get();
+  Instruction &I = *cast<Instruction>(U.getUser());
+  return isDivergent(V) || isTemporalDivergent(*I.getParent(), V);
+}
+
 void DivergenceAnalysis::print(raw_ostream &OS, const Module *) const {
   if (DivergentValues.empty())
     return;
@@ -449,6 +455,10 @@ bool GPUDivergenceAnalysis::isDivergent(const Value &val) const {
   return DA.isDivergent(val);
 }
 
+bool GPUDivergenceAnalysis::isDivergentUse(const Use &use) const {
+  return DA.isDivergentUse(use);
+}
+
 void GPUDivergenceAnalysis::print(raw_ostream &OS, const Module *mod) const {
   OS << "Divergence of kernel " << DA.getFunction().getName() << " {\n";
   DA.print(OS, mod);