diff options
-rw-r--r-- | lib/Target/SparcV9/SparcV9PreSelection.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/lib/Target/SparcV9/SparcV9PreSelection.cpp b/lib/Target/SparcV9/SparcV9PreSelection.cpp index 9677b45a2e..2677d4ce26 100644 --- a/lib/Target/SparcV9/SparcV9PreSelection.cpp +++ b/lib/Target/SparcV9/SparcV9PreSelection.cpp @@ -24,12 +24,12 @@ #include "llvm/Module.h" #include "llvm/Pass.h" #include "llvm/Support/InstVisitor.h" +#include "llvm/Support/GetElementPtrTypeIterator.h" #include "llvm/Target/TargetInstrInfo.h" #include "llvm/Target/TargetMachine.h" #include "llvm/Transforms/Scalar.h" #include <algorithm> - -namespace llvm { +using namespace llvm; namespace { @@ -228,6 +228,23 @@ inline void PreSelection::visitInstruction(Instruction &I) { void PreSelection::visitGetElementPtrInst(GetElementPtrInst &I) { Instruction* curI = &I; + // The Sparc backend doesn't handle array indexes that are not long types, so + // insert a cast from whatever it is to long, if the sequential type index is + // not a long already. + unsigned Idx = 1; + for (gep_type_iterator TI = gep_type_begin(I), E = gep_type_end(I); TI != E; + ++TI, ++Idx) + if (isa<SequentialType>(*TI) && + I.getOperand(Idx)->getType() != Type::LongTy) { + Value *Op = I.getOperand(Idx); + if (Op->getType()->isUnsigned()) // Must sign extend! + Op = new CastInst(Op, Op->getType()->getSignedVersion(), "v9", &I); + if (Op->getType() != Type::LongTy) + Op = new CastInst(Op, Type::LongTy, "v9", &I); + I.setOperand(Idx, Op); + } + + // Decompose multidimensional array references if (I.getNumIndices() >= 2) { // DecomposeArrayRef() replaces I and deletes it, if successful, @@ -251,8 +268,6 @@ void PreSelection::visitCallInst(CallInst &I) { /// createPreSelectionPass - Public entry point for the PreSelection pass /// -FunctionPass* createPreSelectionPass(const TargetMachine &TM) { +FunctionPass* llvm::createPreSelectionPass(const TargetMachine &TM) { return new PreSelection(TM); } - -} // End llvm namespace |