diff options
| -rw-r--r-- | lib/Target/R600/AMDGPUStructurizeCFG.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/R600/AMDGPUStructurizeCFG.cpp b/lib/Target/R600/AMDGPUStructurizeCFG.cpp index 86cb04aeb8..3801347618 100644 --- a/lib/Target/R600/AMDGPUStructurizeCFG.cpp +++ b/lib/Target/R600/AMDGPUStructurizeCFG.cpp @@ -533,12 +533,18 @@ void AMDGPUStructurizeCFG::setPhiValues() { Updater.AddAvailableValue(&Func->getEntryBlock(), Undef); Updater.AddAvailableValue(To, Undef); + NearestCommonDominator Dominator(DT); + Dominator.addBlock(To, false); for (BBValueVector::iterator VI = PI->second.begin(), VE = PI->second.end(); VI != VE; ++VI) { Updater.AddAvailableValue(VI->first, VI->second); + Dominator.addBlock(VI->first); } + if (!Dominator.wasResultExplicitMentioned()) + Updater.AddAvailableValue(Dominator.getResult(), Undef); + for (BBVector::iterator FI = From.begin(), FE = From.end(); FI != FE; ++FI) { |