diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/SparcV9/SparcV9PreSelection.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/Target/SparcV9/SparcV9PreSelection.cpp b/lib/Target/SparcV9/SparcV9PreSelection.cpp index 7e801243ae..a13019e206 100644 --- a/lib/Target/SparcV9/SparcV9PreSelection.cpp +++ b/lib/Target/SparcV9/SparcV9PreSelection.cpp @@ -146,6 +146,30 @@ static Instruction* DecomposeConstantExpr(ConstantExpr* CE, return new SelectInst (C, S1, S2, "constantSelect", &insertBefore); } + case Instruction::Shr: { + getArg1 = CE->getOperand(0); + if (ConstantExpr* CEarg = dyn_cast<ConstantExpr>(getArg1)) + getArg1 = DecomposeConstantExpr(CEarg, insertBefore); + getArg2 = CE->getOperand(1); + if (ConstantExpr* CEarg = dyn_cast<ConstantExpr>(getArg2)) + getArg2 = DecomposeConstantExpr(CEarg, insertBefore); + return new ShiftInst (static_cast<Instruction::OtherOps>(CE->getOpcode()), + getArg1, getArg2, + "constantShr:" + getArg1->getName(), &insertBefore); + } + + case Instruction::Shl: { + getArg1 = CE->getOperand(0); + if (ConstantExpr* CEarg = dyn_cast<ConstantExpr>(getArg1)) + getArg1 = DecomposeConstantExpr(CEarg, insertBefore); + getArg2 = CE->getOperand(1); + if (ConstantExpr* CEarg = dyn_cast<ConstantExpr>(getArg2)) + getArg2 = DecomposeConstantExpr(CEarg, insertBefore); + return new ShiftInst (static_cast<Instruction::OtherOps>(CE->getOpcode()), + getArg1, getArg2, + "constantShl:" + getArg1->getName(), &insertBefore); + } + default: // must be a binary operator assert(CE->getOpcode() >= Instruction::BinaryOpsBegin && CE->getOpcode() < Instruction::BinaryOpsEnd && |