diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 5a16f4afc1a..d980c4d019a 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -1306,6 +1306,7 @@ static void setupSwiftErrorVals(const Function &Fn, const TargetLowering *TLI, } static void createSwiftErrorEntriesInEntryBlock(FunctionLoweringInfo *FuncInfo, + FastISel *FastIS, const TargetLowering *TLI, const TargetInstrInfo *TII, SelectionDAGBuilder *SDB) { @@ -1332,6 +1333,11 @@ static void createSwiftErrorEntriesInEntryBlock(FunctionLoweringInfo *FuncInfo, BuildMI(*FuncInfo->MBB, FuncInfo->MBB->getFirstNonPHI(), SDB->getCurDebugLoc(), TII->get(TargetOpcode::IMPLICIT_DEF), VReg); + + // Keep FastIS informed about the value we just inserted. + if (FastIS) + FastIS->setLastLocalValue(&*std::prev(FuncInfo->InsertPt)); + FuncInfo->setCurrentSwiftErrorVReg(FuncInfo->MBB, SwiftErrorVal, VReg); } } @@ -1501,7 +1507,7 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) { else FastIS->setLastLocalValue(nullptr); } - createSwiftErrorEntriesInEntryBlock(FuncInfo, TLI, TII, SDB); + createSwiftErrorEntriesInEntryBlock(FuncInfo, FastIS, TLI, TII, SDB); // Iterate over all basic blocks in the function. for (const BasicBlock *LLVMBB : RPOT) { |
