diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopDistribute.cpp | 3 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopVersioning.cpp | 7 |
2 files changed, 7 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopDistribute.cpp b/llvm/lib/Transforms/Scalar/LoopDistribute.cpp index 82e2f48c4bf..a7769644203 100644 --- a/llvm/lib/Transforms/Scalar/LoopDistribute.cpp +++ b/llvm/lib/Transforms/Scalar/LoopDistribute.cpp @@ -776,8 +776,7 @@ private: DEBUG(dbgs() << "\nPointers:\n"); DEBUG(LAI.getRuntimePointerChecking()->printChecks(dbgs(), Checks)); LoopVersioning LVer(std::move(Checks), LAI, L, LI, DT); - LVer.versionLoop(); - LVer.addPHINodes(DefsUsedOutside); + LVer.versionLoop(DefsUsedOutside); } // Create identical copies of the original loop for each partition and hook diff --git a/llvm/lib/Transforms/Utils/LoopVersioning.cpp b/llvm/lib/Transforms/Utils/LoopVersioning.cpp index 11f11adbc5e..bfc877e9836 100644 --- a/llvm/lib/Transforms/Utils/LoopVersioning.cpp +++ b/llvm/lib/Transforms/Utils/LoopVersioning.cpp @@ -40,7 +40,8 @@ LoopVersioning::LoopVersioning(const LoopAccessInfo &LAInfo, Loop *L, assert(L->getLoopPreheader() && "No preheader"); } -void LoopVersioning::versionLoop() { +void LoopVersioning::versionLoop( + const SmallVectorImpl<Instruction *> &DefsUsedOutside) { Instruction *FirstCheckInst; Instruction *MemRuntimeCheck; // Add the memcheck in the original preheader (this is empty initially). @@ -77,6 +78,10 @@ void LoopVersioning::versionLoop() { // The loops merge in the original exit block. This is now dominated by the // memchecking block. DT->changeImmediateDominator(VersionedLoop->getExitBlock(), MemCheckBB); + + // Adds the necessary PHI nodes for the versioned loops based on the + // loop-defined values used outside of the loop. + addPHINodes(DefsUsedOutside); } void LoopVersioning::addPHINodes( |

